title: List of United States MPEG-2 patents
text: # List of United States MPEG-2 patents
  
  A large number of patents have been filed in the United States since 1978 for video coding systems and devices adhering to the MPEG-2 standard. All of these patents are now expired.
  
  | Patent | Filed | granted | First File | Expiry | Summary | Notes | Company |
  | - | - | - | - | - | - | - | - |
  | 4833543 | 24 December 1986 | 23 May 1989 | 24 December 1986 | 24 December 2006 | Image processing system and phase-locked loop used therein | U.S. Patent 4,833,543 file+20: [2006, 12, 24] grant+17: [2006, 5, 23] | Alcatel-Lucent |
  | 4970590 | 21 December 1989 | 13 November 1990 | 21 December 1989 | 21 December 2009 | System and device for package multiplexing in transmission of many data flows generated by a sole algorithm | U.S. Patent 4,970,590 file+20: [2009, 12, 21] grant+17: [2007, 11, 13] | Alcatel-Lucent |
  | 5453790 | 26 March 1993 | 26 September 1995 | 26 March 1993 | 26 March 2013 | Video decoder having asynchronous operation with respect to a video display | U.S. Patent 5,453,790 file+20: [2013, 3, 26] grant+17: [2012, 9, 26] | Alcatel-Lucent |
  | 5136377 | 11 December 1990 | 4 August 1992 | 11 December 1990 | 11 December 2010 | Adaptive non-linear quantizer | U.S. Patent 5,136,377 file+20: [2010, 12, 11] grant+17: [2009, 8, 4] | AT&T Bell Laboratories |
  | 4383272 | 13 April 1981 | 10 May 1983 | 13 April 1981 | 13 April 2001 | Video signal interpolation using motion estimation | U.S. Patent 4,383,272 file+20: [2001, 4, 13] grant+17: [2000, 5, 10] | Bell Telephone Laboratories, Incorporated |
  | 5291284 | 23 July 1991 | 1 March 1994 | 12 December 1989 | 1 March 2011 | Predictive coding and decoding with error drift reduction | U.S. Patent 5,291,284 file+20: [2011, 7, 23] pct_file+20: [2009, 12, 12] grant+17: [2011, 3, 1] | British Telecommunications plc |
  | 4982270 | 3 February 1989 | 1 January 1991 | 3 February 1989 | 3 February 2009 | Video data transmitting system | U.S. Patent 4,982,270 file+20: [2009, 2, 3] grant+17: [2008, 1, 1] | Canon Inc. |
  | 5068724 | 15 June 1990 | 26 November 1991 | 15 June 1990 | 15 June 2010 | Adaptive motion compensation for digital television | U.S. Patent 5,068,724 file+20: [2010, 6, 15] grant+17: [2008, 11, 26] | CIF LICENSING, LLC |
  | 5091782 | 9 April 1990 | 25 February 1992 | 9 April 1990 | 9 April 2010 | Apparatus and method for adaptively compressing successive blocks of digital video | U.S. Patent 5,091,782 file+20: [2010, 4, 9] grant+17: [2009, 2, 25] | CIF LICENSING, LLC |
  | 5093720 | 20 August 1990 | 3 March 1992 | 20 August 1990 | 20 August 2010 | Motion compensation for interlaced digital television signals | U.S. Patent 5,093,720 file+20: [2010, 8, 20] grant+17: [2009, 3, 3] | CIF LICENSING, LLC |
  | RE35093 | 3 December 1990 | 9 March 1993 | 3 December 1990 | 3 December 2010 | Systems and methods for coding even fields of interlaced video sequences | Reissue of 05193004 filed 9 December 1994 granted 21 November 1995 U.S. Patent RE35093 file+20: [2010, 12, 3] related_patent+20: [2010, 12, 32] grant+17: [2010, 3, 9] | Columbia University |
  | 4796087 | 1 June 1987 | 3 January 1989 | 1 June 1987 | 1 June 2007 | Process for coding by transformation for the transmission of picture signals | U.S. Patent 4,796,087 file+20: [2007, 6, 1] grant+17: [2006, 1, 3] | France Télécom |
  | 5235618 | 6 November 1990 | 10 August 1993 | 6 November 1990 | 6 November 2010 | Video signal coding apparatus, coding method used in the video signal coding apparatus and video signal coding transmission system having the video signal coding apparatus | U.S. Patent 5,235,618 file+20: [2010, 11, 6] grant+17: [2010, 8, 10] | Fujitsu |
  | 4706260 | 7 November 1986 | 10 November 1987 | 7 November 1986 | 7 November 2006 | DPCM system with rate-of-fill control of buffer occupancy | U.S. Patent 4,706,260 file+20: [2006, 11, 7] grant+17: [2004, 11, 10] | General Electric |
  | 4813056 | 8 December 1987 | 14 March 1989 | 8 December 1987 | 8 December 2007 | Modified statistical coding of digital signals | U.S. Patent 4,813,056 file+20: [2007, 12, 8] grant+17: [2006, 3, 14] | General Electric |
  | 4394774 | 26 June 1981 | 19 July 1983 | 15 December 1978 | 15 December 1998 | Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback | U.S. Patent 4,394,774 file+20: [2001, 6, 26] related_patent+20: [1998, 12, 15] Override: Referenced patent had its term changed grant+17: [2000, 7, 19] terminal disclaimer date December 15, 1998 | General Instrument |
  | 4698672 | 27 October 1986 | 6 October 1987 | 27 October 1986 | 27 October 2006 | Coding system for reducing redundancy | U.S. Patent 4,698,672 file+20: [2006, 10, 27] grant+17: [2004, 10, 6] | General Instrument |
  | 5426464 | 18 October 1994 | 20 June 1995 | 14 January 1993 | 14 January 2013 | Field elimination apparatus for a video compression/decompression system | U.S. Patent 5,426,464 file+20: [2014, 10, 18] related_patent+20: [2013, 1, 14] grant+17: [2012, 6, 20] | GE |
  | 5486864 | 13 May 1993 | 23 January 1996 | 13 May 1993 | 13 May 2013 | Differential time code method and apparatus as for a compressed video signal | U.S. Patent 5,486,864 file+20: [2013, 5, 13] grant+17: [2013, 1, 23] | GE |
  | 5491516 | 14 January 1993 | 13 February 1996 | 14 January 1993 | 13 February 2013 | Field elimination apparatus for a video compression/decompression system | U.S. Patent 5,491,516 file+20: [2013, 1, 14] grant+17: [2013, 2, 13] | GE |
  | 5600376 | 20 March 1995 | 4 February 1997 | 14 January 1993 | 4 February 2014 | Field elimination apparatus for a video compression/decompression system | U.S. Patent 5,600,376 file+20: [2015, 3, 20] related_patent+20: [2013, 1, 14] grant+17: [2014, 2, 4] | GE |
  | 5796743 | 23 May 1996 | 18 August 1998 | 30 November 1993 | 18 August 2015 | Data word indicator in a system for assembling transport data packets | U.S. Patent 5,796,743 file+20: [2016, 5, 23] pct_file+20: [2013, 11, 30] grant+17: [2015, 8, 18] | GE |
  | 5867501 | 7 June 1995 | 2 February 1999 | 17 December 1992 | 2 February 2016 | Encoding for communicating data and commands | U.S. Patent 5,867,501 file+20: [2015, 6, 7] related_patent+20: [2012, 12, 17] grant+17: [2016, 2, 2] | Hewlett-Packard Company |
  | 4849812 | 24 February 1988 | 18 July 1989 | 24 February 1988 | 24 February 2008 | Television system, in which digitized picture signals subjected to a transform coding are transmitted from an encoding station to a decoding station | U.S. Patent 4,849,812 file+20: [2008, 2, 24] grant+17: [2006, 7, 18] | Koninklijke Philips Electronics N.V. |
  | 4901075 | 11 September 1987 | 13 February 1990 | 11 September 1987 | 11 September 2007 | Method and apparatus for bit rate reduction | U.S. Patent 4,901,075 file+20: [2007, 9, 11] grant+17: [2007, 2, 13] | Koninklijke Philips Electronics N.V. |
  | 5021879 | 24 September 1990 | 4 June 1991 | 25 April 1988 | 4 June 2008 | System for transmitting video pictures | U.S. Patent 5,021,879 file+20: [2010, 9, 24] related_patent+20: [2008, 4, 25] grant+17: [2008, 6, 4] | Koninklijke Philips Electronics N.V. |
  | 5027206 | 13 September 1989 | 25 June 1991 | 13 September 1989 | 13 September 2009 | High-definition television systems | U.S. Patent 5,027,206 file+20: [2009, 9, 13] grant+17: [2008, 6, 25] | Koninklijke Philips Electronics N.V. |
  | 5128758 | 2 June 1989 | 7 July 1992 | 2 June 1989 | 7 July 2009 | Method and apparatus for digitally processing a high definition television augmentation signal | U.S. Patent 5,128,758 file+20: [2009, 6, 2] grant+17: [2009, 7, 7] | Koninklijke Philips Electronics N.V. |
  | 5179442 | 26 November 1990 | 12 January 1993 | 2 June 1989 | 12 January 2010 | Method and apparatus for digitally processing a high definition television augmentation signal | U.S. Patent 5,179,442 file+20: [2010, 11, 26] related_patent+20: [2009, 6, 2] grant+17: [2010, 1, 12] | Koninklijke Philips Electronics N.V. |
  | 5333135 | 1 February 1993 | 26 July 1994 | 1 February 1993 | 1 February 2013 | Identification of a data stream transmitted as a sequence of packets | U.S. Patent 5,333,135 file+20: [2013, 2, 1] grant+17: [2011, 7, 26] | Koninklijke Philips Electronics N.V. |
  | 5606539 | 31 August 1994 | 25 February 1997 | 5 June 1991 | 25 February 2014 | Method and apparatus for encoding and decoding an audio and/or video signal, and a record carrier for use with such apparatus | U.S. Patent 5,606,539 file+20: [2014, 8, 31] related_patent+20: [2011, 6, 5] grant+17: [2014, 2, 25] | Koninklijke Philips Electronics N.V. |
  | 5608697 | 18 March 1996 | 4 March 1997 | 5 June 1991 | 5 June 2011 | Record carrier containing an audio and/or video signal, which has been encoded and includes a decoder delay time parameter indicating a time delay for one or more portions of the signal | U.S. Patent 5,608,697 file+20: [2016, 3, 18] related_patent+20: [2011, 6, 5] | Koninklijke Philips Electronics N.V. |
  | 5699476 | 9 May 1996 | 16 December 1997 | 19 October 1990 | 19 October 2010 | Method and apparatus for transmitting and/or storing a series of hierarchically encoded digital image data blocks | U.S. Patent 5,699,476 file+20: [2016, 5, 9] related_patent+20: [2010, 10, 19] | Koninklijke Philips Electronics N.V. |
  | 5740310 | 28 June 1994 | 14 April 1998 | 30 May 1991 | 14 April 2015 | Method of maintaining display continuity from a CD with slow-motion or freeze capability | U.S. Patent 5,740,310 file+20: [2014, 6, 28] related_patent+20: [2011, 5, 30] grant+17: [2015, 4, 14] | Koninklijke Philips Electronics N.V. |
  | 5844867 | 9 September 1996 | 1 December 1998 | 5 June 1991 | 5 June 2011 | Methods and apparatus for encoding and decoding an audio and/or video signal, and a record carrier used therewith or produced therefrom | U.S. Patent 5,844,867 file+20: [2016, 9, 9] related_patent+20: [2011, 6, 5] | Koninklijke Philips Electronics N.V. |
  | 6181712 | 11 October 1995 | 30 January 2001 | 23 February 1995 | 30 January 2018 | Method and device for transmitting data packets | U.S. Patent 6,181,712 file+20: [2015, 10, 11] pct_file+20: [2015, 2, 23] grant+17: [2018, 1, 30] | Koninklijke Philips Electronics N.V. |
  | 6792001 | 21 September 2000 | 14 September 2004 | 23 February 1995 | 24 May 2017 | Method and device for transmitting data packets | U.S. Patent 6,792,001 file+20: [2020, 9, 21] related_patent+20: [2015, 2, 23] Override: Auto parse missed date term extension 821 days | Koninklijke Philips Electronics N.V. |
  | RE37057 | 14 November 1994 | 21 May 1996 | 14 November 1994 | 14 November 2014 | Apparatus and method for converting an HDTV signal to a non-HDTV signal | Reissue of 05519446 filed 18 May 1998 granted 20 February 2001 U.S. Patent RE37057 file+20: [2014, 11, 14] related_patent+20: [2014, 11, 32] grant+17: [2013, 5, 21] | LG Electronics |
  | RE37568 | 30 November 1993 | 1 April 1997 | 30 November 1993 | 1 April 2014 | Inverse Quantizer | Reissue of 05617094 filed 31 March 1999 granted 5 March 2002 U.S. Patent RE37568 file+20: [2013, 11, 30] related_patent+20: [2013, 11, 32] grant+17: [2014, 4, 1] | LG Electronics |
  | 5113255 | 11 May 1990 | 12 May 1992 | 11 May 1990 | 11 May 2010 | Moving image signal encoding apparatus and decoding apparatus | U.S. Patent 5,113,255 file+20: [2010, 5, 11] grant+17: [2009, 5, 12] | Matsushita |
  | RE35910 | 11 May 1990 | 12 May 1992 | 11 May 1990 | 11 May 2010 | Moving image signal encoding apparatus and decoding apparatus | Reissue of 05113255 filed 12 May 1994 granted 29 September 1998 U.S. Patent RE35910 file+20: [2010, 5, 11] related_patent+20: [2010, 5, 32] grant+17: [2009, 5, 12] | Matsushita |
  | RE36015 | 27 March 1992 | 8 March 1994 | 27 March 1992 | 27 March 2012 | Apparatus and method for processing groups of fields in a video data compression system | Reissue of 05293229 filed 2 October 1995 granted 29 December 1998 U.S. Patent RE36015 file+20: [2012, 3, 27] related_patent+20: [2012, 3, 32] grant+17: [2011, 3, 8] | Matsushita |
  | RE36507 | 27 March 1992 | 8 March 1994 | 27 March 1992 | 27 March 2012 | Apparatus and method for processing groups of fields in a video data compression system to encode a single frame as an I-field and a P-field | Reissue of 05293229 filed 21 October 1997 granted 18 January 2000 U.S. Patent RE36507 file+20: [2012, 3, 27] related_patent+20: [2012, 3, 27] grant+17: [2011, 3, 8] | Matsushita |
  | RE39276 | 20 July 1994 | 28 April 1998 | 2 November 1992 | 28 April 2015 | Method for determining motion compensation | Reissue of 05745182 filed 27 April 2000 granted 12 September 2006 U.S. Patent RE39276 file+20: [2014, 7, 20] related_patent+20: [2012, 11, 2] grant+17: [2015, 4, 28] | Matsushita |
  | RE39278 | 20 July 1994 | 28 April 1998 | 2 November 1992 | 28 April 2015 | Method for determining motion compensation | Reissue of 05745182 filed 13 April 2001 granted 12 September 2006 U.S. Patent RE39278 file+20: [2014, 7, 20] related_patent+20: [2012, 11, 2] grant+17: [2015, 4, 28] | Matsushita |
  | RE39280 | 20 July 1994 | 28 April 1998 | 2 November 1992 | 28 April 2015 | Method for determining motion compensation | Reissue of 05745182 filed 30 May 2001 granted 12 September 2006 U.S. Patent RE39280 file+20: [2014, 7, 20] related_patent+20: [2012, 11, 2] grant+17: [2015, 4, 28] | Matsushita |
  | 5223949 | 17 April 1992 | 29 June 1993 | 17 April 1992 | 17 April 2012 | Coding means for a signal processing system | U.S. Patent 5,223,949 file+20: [2012, 4, 17] grant+17: [2010, 6, 29] | Matsushita |
  | 5412430 | 4 May 1994 | 2 May 1995 | 31 July 1992 | 31 July 2012 | Image coding method and image coding apparatus | U.S. Patent 5,412,430 file+20: [2014, 5, 4] related_patent+20: [2012, 7, 31] grant+17: [2012, 5, 2] | Matsushita |
  | 5784107 | 23 January 1996 | 21 July 1998 | 21 April 1992 | 21 April 2012 | Method and apparatus for picture coding and method and apparatus for picture decoding | U.S. Patent 5,784,107 file+20: [2016, 1, 23] related_patent+20: [2012, 4, 21] | Matsushita |
  | 4954892 | 4 October 1989 | 4 September 1990 | 4 October 1989 | 4 October 2009 | Buffer controlled picture signal encoding and decoding system | U.S. Patent 4,954,892 file+20: [2009, 10, 4] grant+17: [2007, 9, 4] | Mitsubishi |
  | 5072295 | 20 August 1990 | 10 December 1991 | 20 August 1990 | 20 August 2010 | Adaptive quantization coder/decoder with limiter circuitry | U.S. Patent 5,072,295 file+20: [2010, 8, 20] grant+17: [2008, 12, 10] | Mitsubishi |
  | 5268846 | 10 April 1991 | 7 December 1993 | 10 April 1991 | 10 April 2011 | Method and apparatus for nonsequential multimedia data interchange in a data processing system | U.S. Patent 5,268,846 file+20: [2011, 4, 10] grant+17: [2010, 12, 7] | Mitsubishi |
  | 5949489 | 31 July 1998 | 7 September 1999 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. Patent 5,949,489 file+20: [2018, 7, 31] related_patent+20: [2012, 10, 16] | Mitsubishi |
  | 5963258 | 31 July 1998 | 5 October 1999 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. Patent 5,963,258 file+20: [2018, 7, 31] related_patent+20: [2012, 10, 16] | Mitsubishi |
  | 5970175 | 26 October 1998 | 19 October 1999 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. Patent 5,970,175 file+20: [2018, 10, 26] related_patent+20: [2012, 10, 16] | Mitsubishi |
  | 5990960 | 9 December 1998 | 23 November 1999 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. Patent 5,990,960 file+20: [2018, 12, 9] related_patent+20: [2012, 10, 16] | Mitsubishi |
  | 6002439 | 27 May 1999 | 14 December 1999 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. Patent 6,002,439 file+20: [2019, 5, 27] related_patent+20: [2012, 10, 16] | Mitsubishi |
  | 6097759 | 22 November 1999 | 1 August 2000 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. Patent 6,097,759 file+20: [2019, 11, 22] related_patent+20: [2012, 10, 16] | Mitsubishi |
  | 6188794 | 20 May 1999 | 13 February 2001 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. Patent 6,188,794 file+20: [2019, 5, 20] related_patent+20: [2012, 10, 16] | Mitsubishi |
  | 6307973 | 4 December 2000 | 23 October 2001 | 16 October 1992 | 16 October 2012 | Image signal coding system | U.S. Patent 6,307,973 file+20: [2020, 12, 4] related_patent+20: [2012, 10, 16] term extension 0 days | Mitsubishi |
  | 7362805 | 2 March 2006 | 22 April 2008 | 29 January 1993 | 29 January 2013 | High efficiency encoder and video information recording/reproducing apparatus | U.S. Patent 7,362,805 file+20: [2026, 3, 2] related_patent+20: [2013, 1, 29] term extension 0 days | Mitsubishi |
  | 7376184 | 4 November 2002 | 20 May 2008 | 29 January 1993 | 31 May 2014 | High-efficiency encoder and video information recording/reproducing apparatus | U.S. Patent 7,376,184 file+20: [2022, 11, 4] related_patent+20: [2013, 1, 29] term extension 487 days | Mitsubishi |
  | 7756202 | 30 October 2007 | 13 July 2010 | 29 January 1993 | 6 August 2013 | High-efficiency encoder and video information recording/reproducing apparatus | U.S. Patent 7,756,202 file+20: [2027, 10, 30] related_patent+20: [2013, 1, 29] term extension 189 days | Mitsubishi |
  | 7936817 | 30 October 2007 | 3 May 2011 | 29 January 1993 | 29 January 2013 | High-efficiency encoder and video information recording/reproducing apparatus | U.S. Patent 7,936,817 file+20: [2027, 10, 30] related_patent+20: [2013, 1, 29] | Mitsubishi |
  | 4958226 | 27 September 1989 | 18 September 1990 | 27 September 1989 | 27 September 2009 | Conditional motion compensated interpolation of digital motion video | U.S. Patent 4,958,226 file+20: [2009, 9, 27] grant+17: [2007, 9, 18] | Multimedia Patent Trust |
  | 5227878 | 15 November 1991 | 13 July 1993 | 15 November 1991 | 15 November 2011 | Adaptive coding and decoding of frames and fields of video | U.S. Patent 5,227,878 file+20: [2011, 11, 15] grant+17: [2010, 7, 13] | Multimedia Patent Trust |
  | 5500678 | 18 March 1994 | 19 March 1996 | 18 March 1994 | 18 March 2014 | Optimized scanning of transform coefficients in video coding | U.S. Patent 5,500,678 file+20: [2014, 3, 18] grant+17: [2013, 3, 19] | Multimedia Patent Trust |
  | 5563593 | 18 March 1994 | 8 October 1996 | 18 March 1994 | 18 March 2014 | Video coding with optimized low complexity variable length codes | U.S. Patent 5,563,593 file+20: [2014, 3, 18] grant+17: [2013, 10, 8] | Multimedia Patent Trust |
  | 4849812 | 24 February 1988 | 18 July 1989 | 24 February 1988 | 24 February 2008 | Television system, in which digitized picture signals subjected to a transform coding are transmitted from an encoding station to a decoding station | U.S. Patent 4,849,812 file+20: [2008, 2, 24] grant+17: [2006, 7, 18] | Philips |
  | 4901075 | 11 September 1987 | 13 February 1990 | 11 September 1987 | 11 September 2007 | Method and apparatus for bit rate reduction | U.S. Patent 4,901,075 file+20: [2007, 9, 11] grant+17: [2007, 2, 13] | Philips |
  | 5021879 | 24 September 1990 | 4 June 1991 | 25 April 1988 | 4 June 2008 | System for transmitting video pictures | U.S. Patent 5,021,879 file+20: [2010, 9, 24] related_patent+20: [2008, 4, 25] grant+17: [2008, 6, 4] | Philips |
  | 5027206 | 13 September 1989 | 25 June 1991 | 13 September 1989 | 13 September 2009 | High-definition television systems | U.S. Patent 5,027,206 file+20: [2009, 9, 13] grant+17: [2008, 6, 25] | Philips |
  | 5128758 | 2 June 1989 | 7 July 1992 | 2 June 1989 | 7 July 2009 | Method and apparatus for digitally processing a high definition television augmentation signal | U.S. Patent 5,128,758 file+20: [2009, 6, 2] grant+17: [2009, 7, 7] | Philips |
  | 5179442 | 26 November 1990 | 12 January 1993 | 2 June 1989 | 12 January 2010 | Method and apparatus for digitally processing a high definition television augmentation signal | U.S. Patent 5,179,442 file+20: [2010, 11, 26] related_patent+20: [2009, 6, 2] grant+17: [2010, 1, 12] | Philips |
  | 5333135 | 1 February 1993 | 26 July 1994 | 1 February 1993 | 1 February 2013 | Identification of a data stream transmitted as a sequence of packets | U.S. Patent 5,333,135 file+20: [2013, 2, 1] grant+17: [2011, 7, 26] | Philips |
  | 5606539 | 31 August 1994 | 25 February 1997 | 5 June 1991 | 25 February 2014 | Method and apparatus for encoding and decoding an audio and/or video signal, and a record carrier for use with such apparatus | U.S. Patent 5,606,539 file+20: [2014, 8, 31] related_patent+20: [2011, 6, 5] grant+17: [2014, 2, 25] | Philips |
  | 5608697 | 18 March 1996 | 4 March 1997 | 5 June 1991 | 5 June 2011 | Record carrier containing an audio and/or video signal which has been encoded and includes a decoder delay time parameter indicating a time delay for one or more portions of the signal | U.S. Patent 5,608,697 file+20: [2016, 3, 18] related_patent+20: [2011, 6, 5] | Philips |
  | 5740310 | 28 June 1994 | 14 April 1998 | 30 May 1991 | 14 April 2015 | Method of maintaining display continuity from a CD with slow-motion or freeze capability | U.S. Patent 5,740,310 file+20: [2014, 6, 28] related_patent+20: [2011, 5, 30] grant+17: [2015, 4, 14] | Philips |
  | 5844867 | 9 September 1996 | 1 December 1998 | 5 June 1991 | 5 June 2011 | Methods and apparatus for encoding and decoding an audio and/or video signal, and a record carrier used therewith or produced therefrom | U.S. Patent 5,844,867 file+20: [2016, 9, 9] related_patent+20: [2011, 6, 5] | Philips |
  | 5461421 | 29 November 1993 | 24 October 1995 | 29 November 1993 | 29 November 2013 | Encoding and decoding method and apparatus thereof | U.S. Patent 5,461,421 file+20: [2013, 11, 29] grant+17: [2012, 10, 24] | Samsung |
  | 5467086 | 18 June 1993 | 14 November 1995 | 18 June 1993 | 18 June 2013 | Apparatus and method of coding/decoding video data | U.S. Patent 5,467,086 file+20: [2013, 6, 18] grant+17: [2012, 11, 14] | Samsung |
  | 5654706 | 18 December 1996 | 5 August 1997 | 15 July 1993 | 15 July 2013 | System for variable length decoding digital transmission data which has been compressed by selecting a scanning pattern | U.S. Patent 5,654,706 file+20: [2016, 12, 18] related_patent+20: [2013, 7, 15] | Samsung |
  | 6680975 | 2 November 2000 | 20 January 2004 | 1 March 1993 | 12 March 2014 | Signal encoding and decoding system and method | U.S. Patent 6,680,975 file+20: [2020, 11, 2] related_patent+20: [2013, 3, 1] term extension 376 days | Samsung |
  | 7292657 | 3 July 2003 | 6 November 2007 | 1 March 1993 | 1 March 2013 | Signal compressing signal | U.S. Patent 7,292,657 file+20: [2023, 7, 3] related_patent+20: [2013, 3, 1] | Samsung |
  | 7609760 | 5 January 2009 | 27 October 2009 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. Patent 7,609,760 file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
  | 7616687 | 5 January 2009 | 10 November 2009 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. Patent 7,616,687 file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
  | 7684490 | 18 December 2008 | 23 March 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. Patent 7,684,490 file+20: [2028, 12, 18] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
  | 7724821 | 24 December 2008 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. Patent 7,724,821 file+20: [2028, 12, 24] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
  | 7724822 | 24 December 2008 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. Patent 7,724,822 file+20: [2028, 12, 24] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
  | 7724823 | 24 December 2008 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. Patent 7,724,823 file+20: [2028, 12, 24] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
  | 7724824 | 5 January 2009 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. Patent 7,724,824 file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
  | 7724828 | 16 November 2009 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. Patent 7,724,828 file+20: [2029, 11, 16] related_patent+20: [2013, 3, 1] term extension 0 days | Samsung |
  | 7724829 | 16 November 2009 | 25 May 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. Patent 7,724,829 file+20: [2029, 11, 16] related_patent+20: [2013, 3, 1] term extension 0 days | Samsung |
  | 7742522 | 5 January 2009 | 22 June 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. Patent 7,742,522 file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. | Samsung |
  | 7742527 | 5 January 2009 | 22 June 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. Patent 7,742,527 file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
  | 7764735 | 2 July 2009 | 27 July 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. Patent 7,764,735 file+20: [2029, 7, 2] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. | Samsung |
  | 7782956 | 16 November 2009 | 24 August 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. Patent 7,782,956 file+20: [2029, 11, 16] related_patent+20: [2013, 3, 1] term extension 0 days | Samsung |
  | 7787538 | 5 January 2009 | 31 August 2010 | 1 March 1993 | 1 March 2013 | Signal compressing system | U.S. Patent 7,787,538 file+20: [2029, 1, 5] related_patent+20: [2013, 3, 1] Override: Autoparse missed application Ser. No. 08/024,305, filed Mar. 1, 1993. term extension 0 days | Samsung |
  | 5418782 | 6 January 1994 | 23 May 1995 | 30 October 1992 | 30 October 2012 | Methods and apparatus for providing virtual service selection in a multi-service communications system | U.S. Patent 5,418,782 file+20: [2014, 1, 6] related_patent+20: [2012, 10, 30] grant+17: [2012, 5, 23] | Scientific Atlanta |
  | 5420866 | 29 March 1994 | 30 May 1995 | 29 March 1994 | 29 March 2014 | Methods for providing conditional access information to decoders in a packet-based multiplexed communications system | U.S. Patent 5,420,866 file+20: [2014, 3, 29] grant+17: [2012, 5, 30] | Scientific Atlanta |
  | 5457701 | 6 January 1994 | 10 October 1995 | 6 January 1994 | 6 January 2014 | Method for indicating packet errors in a packet-based multi-hop communications system | U.S. Patent 5,457,701 file+20: [2014, 1, 6] grant+17: [2012, 10, 10] | Scientific Atlanta |
  | 4864393 | 31 May 1988 | 5 September 1989 | 31 May 1988 | 31 May 2008 | Motion vector estimation in television images | U.S. Patent 4,864,393 file+20: [2008, 5, 31] grant+17: [2006, 9, 5] | Sony |
  | RE37222 | 12 October 1990 | 21 July 1992 | 12 October 1990 | 12 October 2010 | Video signal transmitting system | Reissue of 05132792 filed 19 July 1994 granted 12 June 2001U.S. Patent RE37222 file+20: [2010, 10, 12] related_patent+20: [2010, 10, 32] grant+17: [2009, 7, 21] | Sony |
  | 5191436 | 30 April 1991 | 2 March 1993 | 30 April 1991 | 30 April 2011 | Method for recording coded motion picture data | U.S. Patent 5,191,436 file+20: [2011, 4, 30] grant+17: [2010, 3, 2] | Sony |
  | 5291486 | 7 August 1992 | 1 March 1994 | 7 August 1992 | 7 August 2012 | Data multiplexing apparatus and multiplexed data demultiplexing apparatus | U.S. Patent 5,291,486 file+20: [2012, 8, 7] grant+17: [2011, 3, 1] | Sony |
  | 5298991 | 24 July 1992 | 29 March 1994 | 24 July 1992 | 24 July 2012 | Variable length coding apparatus and method for motion vector | U.S. Patent 5,298,991 file+20: [2012, 7, 24] grant+17: [2011, 3, 29] | Sony |
  | 5343248 | 16 July 1992 | 30 August 1994 | 16 July 1992 | 16 July 2012 | Moving image compressing and recording medium and moving image data encoder and decoder | U.S. Patent 5,343,248 file+20: [2012, 7, 16] grant+17: [2011, 8, 30] | Sony |
  | 5428396 | 27 December 1993 | 27 June 1995 | 24 July 1992 | 24 July 2012 | Variable length coding/decoding method for motion vectors | U.S. Patent 5,428,396 file+20: [2013, 12, 27] related_patent+20: [2012, 7, 24] grant+17: [2012, 6, 27] | Sony |
  | 5461420 | 17 September 1993 | 24 October 1995 | 17 September 1993 | 17 September 2013 | Apparatus for coding and decoding a digital video signal derived from a motion picture film source | U.S. Patent 5,461,420 file+20: [2013, 9, 17] grant+17: [2012, 10, 24] | Sony |
  | 5481553 | 28 February 1994 | 2 January 1996 | 28 February 1994 | 28 February 2014 | Methods and apparatus for preventing rounding errors when transform coefficients representing a motion picture signal are inversely transformed | U.S. Patent 5,481,553 file+20: [2014, 2, 28] grant+17: [2013, 1, 2] | Sony |
  | 5510840 | 15 May 1995 | 23 April 1996 | 30 August 1993 | 30 August 2013 | Methods and devices for encoding and decoding frame signals and recording medium therefor | U.S. Patent 5,510,840 file+20: [2015, 5, 15] related_patent+20: [2013, 8, 30] grant+17: [2013, 4, 23] | Sony |
  | 5539466 | 26 September 1994 | 23 July 1996 | 23 April 1993 | 23 July 2013 | Efficient coding apparatus for picture signal and decoding apparatus therefor | U.S. Patent 5,539,466 file+20: [2014, 9, 26] related_patent+20: [2013, 4, 32] grant+17: [2013, 7, 23] | Sony |
  | 5543847 | 13 December 1993 | 6 August 1996 | 13 December 1993 | 13 December 2013 | Picture coding and decoding method for random accessing | U.S. Patent 5,543,847 file+20: [2013, 12, 13] grant+17: [2013, 8, 6] | Sony |
  | 5559557 | 28 September 1993 | 24 September 1996 | 28 September 1993 | 28 September 2013 | Motion video coding with adaptive precision for DC component coefficient quantization and variable length coding | U.S. Patent 5,559,557 file+20: [2013, 9, 28] grant+17: [2013, 9, 24] | Sony |
  | 5663763 | 18 October 1993 | 2 September 1997 | 18 October 1993 | 2 September 2014 | Picture signal encoding method and apparatus and picture signal decoding method and apparatus | U.S. Patent 5,663,763 file+20: [2013, 10, 18] grant+17: [2014, 9, 2] | Sony |
  | 5666461 | 30 May 1995 | 9 September 1997 | 21 April 1993 | 9 September 2014 | High efficiency encoding and decoding of picture signals and recording medium containing same | U.S. Patent 5,666,461 file+20: [2015, 5, 30] related_patent+20: [2013, 4, 21] grant+17: [2014, 9, 9] | Sony |
  | 5701164 | 19 December 1996 | 23 December 1997 | 24 March 1994 | 24 March 2014 | Macroblock coding including difference between motion vectors | U.S. Patent 5,701,164 file+20: [2016, 12, 19] related_patent+20: [2014, 3, 24] Override: Auto parse missed PCT date | Sony |
  | 5946042 | 2 July 1997 | 31 August 1999 | 24 March 1994 | 24 March 2014 | Macroblock coding including difference between motion vectors | U.S. Patent 5,946,042 file+20: [2017, 7, 2] related_patent+20: [2014, 3, 24] Override: Auto parse missed PCT date | Sony |
  | 5982437 | 15 October 1993 | 9 November 1999 | 15 October 1993 | 9 November 2016 | Coding method and system, and decoding method and system | U.S. Patent 5,982,437 file+20: [2013, 10, 15] grant+17: [2016, 11, 9] | Sony |
  | 6040863 | 18 December 1998 | 21 March 2000 | 24 March 1994 | 24 March 2014 | Method of coding and decoding motion vector and apparatus therefor, and method of coding and decoding picture signal and apparatus therefor | U.S. Patent 6,040,863 file+20: [2018, 12, 18] related_patent+20: [2014, 3, 24] Override: Auto parse missed PCT date | Sony |
  | 6160849 | 30 May 1995 | 12 December 2000 | 22 March 1993 | 12 December 2017 | Selectable field and frame based predictive video coding | U.S. Patent 6,160,849 file+20: [2015, 5, 30] related_patent+20: [2013, 3, 22] grant+17: [2017, 12, 12] | Sony |
  | 7627041 | 30 June 2005 | 1 December 2009 | 13 January 1994 | 20 June 2016 | Apparatus for encoding and decoding header data in picture signal transmission | U.S. Patent 7,627,041 file+20: [2025, 6, 30] related_patent+20: [2014, 1, 13] Override: Error in original patent, fixed in correction B2 term extension 889 days | Sony |
  | RE35093 | 3 December 1990 | 9 March 1993 | 3 December 1990 | 3 December 2010 | Systems and methods for coding even fields of interlaced video sequences | Reissue of 05193004 filed 9 December 1994 granted 21 November 1995 U.S. Patent RE35093 file+20: [2010, 12, 3] related_patent+20: [2010, 12, 32] grant+17: [2010, 3, 9] | The Trustees of Columbia University in the City of New York |
  | 4800432 | 24 October 1986 | 24 January 1989 | 24 October 1986 | 24 October 2006 | Video Difference key generator | U.S. Patent 4,800,432 file+20: [2006, 10, 24] grant+17: [2006, 1, 24] | Thomson |
  | 4969055 | 25 August 1988 | 6 November 1990 | 23 August 1986 | 6 November 2007 | Method for recording and/or reproducing digitally coded signals with interframe and interframe coding | U.S. Patent 4,969,055 file+20: [2008, 8, 25] related_patent+20: [2006, 8, 32] grant+17: [2007, 11, 6] | Thomson |
  | 5289276 | 19 June 1992 | 22 February 1994 | 19 June 1992 | 19 June 2012 | Method and apparatus for conveying compressed video data over a noisy communication channel | U.S. Patent 5,289,276 file+20: [2012, 6, 19] grant+17: [2011, 2, 22] | Thomson |
  | 5365272 | 2 July 1993 | 15 November 1994 | 19 June 1992 | 19 June 2012 | Method for formatting compressed video data into transport cells | U.S. Patent 5,365,272 file+20: [2013, 7, 2] related_patent+20: [2012, 6, 19] grant+17: [2011, 11, 15] | Thomson |
  | 5381181 | 13 May 1993 | 10 January 1995 | 13 May 1993 | 13 May 2013 | Clock recovery apparatus as for a compressed video signal | U.S. Patent 5,381,181 file+20: [2013, 5, 13] grant+17: [2012, 1, 10] | Thomson |
  | 5422676 | 22 October 1993 | 6 June 1995 | 22 October 1993 | 22 October 2013 | System for coding an image representative signal | U.S. Patent 5,422,676 file+20: [2013, 10, 22] grant+17: [2012, 6, 6] | Thomson |
  | 5442400 | 29 April 1993 | 15 August 1995 | 29 April 1993 | 29 April 2013 | Error concealment apparatus for MPEG-like video data | U.S. Patent 5,442,400 file+20: [2013, 4, 29] grant+17: [2012, 8, 15] | Thomson |
  | 5459789 | 22 April 1994 | 17 October 1995 | 22 April 1994 | 22 April 2014 | Packet TV program component detector | U.S. Patent 5,459,789 file+20: [2014, 4, 22] grant+17: [2012, 10, 17] | Thomson |
  | 5483287 | 3 August 1994 | 9 January 1996 | 19 June 1992 | 15 November 2011 | Method for forming transport cells for conveying compressed video data | U.S. Patent 5,483,287 file+20: [2014, 8, 3] related_patent+20: [2012, 6, 19] grant+17: [2013, 1, 9] terminal disclaimer date November 15, 2011 | Thomson |
  | 5565923 | 22 August 1995 | 15 October 1996 | 13 May 1993 | 13 May 2013 | Apparatus for formatting a digital signal to include multiple time stamps for system synchronization | U.S. Patent 5,565,923 file+20: [2015, 8, 22] related_patent+20: [2013, 5, 13] | Thomson |
  | 5784110 | 23 May 1996 | 21 July 1998 | 30 November 1993 | 21 July 2015 | Data processor for assembling transport data packets | U.S. Patent 5,784,110 file+20: [2016, 5, 23] pct_file+20: [2013, 11, 30] grant+17: [2015, 7, 21] | Thomson |
  | 7020204 | 8 February 2002 | 28 March 2006 | 30 December 1988 | 30 January 2010 | Adaptive method of encoding and decoding a series of pictures by transformation, and devices for implementing this method | U.S. Patent 7,020,204 file+20: [2022, 2, 8] related_patent+20: [2008, 12, 30] term extension 396 days | Thomson |
  | 7334248 | 24 May 2002 | 19 February 2008 | 22 April 1994 | 14 February 2018 | Conditional access filter as for a packet video signal inverse transport system | U.S. Patent 7,334,248 file+20: [2022, 5, 24] related_patent+20: [2014, 4, 22] Override: Error in original patent, fixed in correction B2 term extension 1394 days. | Thomson |
  | 5317397 | 29 May 1992 | 31 May 1994 | 29 May 1992 | 29 May 2012 | Predictive coding using spatial-temporal filtering and plural motion vectors | U.S. Patent 5,317,397 file+20: [2012, 5, 29] grant+17: [2011, 5, 31] | Toshiba |
  | 5424779 | 24 November 1993 | 13 June 1995 | 29 May 1992 | 13 June 2012 | Video coding apparatus | U.S. Patent 5,424,779 file+20: [2013, 11, 24] related_patent+20: [2012, 5, 29] grant+17: [2012, 6, 13] | Toshiba |
  | 5467136 | 17 February 1994 | 14 November 1995 | 29 May 1992 | 13 June 2012 | Video decoder for determining a motion vector from a scaled vector and a difference vector | U.S. Patent 5,467,136 file+20: [2014, 2, 17] related_patent+20: [2012, 5, 29] grant+17: [2012, 11, 14] terminal disclaimer date June 13, 2012 | Toshiba |
  | 5742344 | 3 April 1996 | 21 April 1998 | 29 May 1992 | 29 May 2012 | Motion compensated video decoding method and system for decoding a coded video signal using spatial and temporal filtering | U.S. Patent 5,742,344 file+20: [2016, 4, 3] related_patent+20: [2012, 5, 29] | Toshiba |
  | 5986713 | 11 June 1998 | 16 November 1999 | 29 May 1992 | 29 May 2012 | Video coding apparatus using inter-field prediction | U.S. Patent 5,986,713 file+20: [2018, 6, 11] related_patent+20: [2012, 5, 29] | Toshiba |
  | RE34965 | 18 January 1990 | 15 January 1991 | 18 January 1990 | 18 January 2010 | Inter-frame predictive encoding system with encoded and transmitted prediction error | Reissue of 04985768 filed 14 January 1993 granted 13 June 1995 U.S. Patent RE34965 file+20: [2010, 1, 18] related_patent+20: [2010, 1, 32] grant+17: [2008, 1, 15] | Victor Company |
  | RE35158 | 26 April 1990 | 1 January 1991 | 16 January 1990 | 16 January 2010 | Apparatus for adaptive inter-frame predictive encoding of video signal | Reissue of 04982285 filed 28 December 1992 granted 20 February 1996 U.S. Patent RE35158 file+20: [2010, 4, 26] related_patent+20: [2010, 1, 16] grant+17: [2008, 1, 1] | Victor Company |
  | RE36822 | 17 June 1996 | 5 May 1998 | 6 November 1992 | 6 November 2012 | Moving image signal coding apparatus and coded signal decoding apparatus | Reissue of 05748784 filed 2 October 1998 granted 15 August 2000 U.S. Patent RE36822 file+20: [2016, 6, 17] related_patent+20: [2012, 11, 6] | Victor Company |
  | 5103307 | 18 January 1991 | 7 April 1992 | 18 January 1991 | 18 January 2011 | Interframe predictive coding/decoding system for varying interval between independent frames | U.S. Patent 5,103,307 file+20: [2011, 1, 18] grant+17: [2009, 4, 7] | Victor Company |
  | 5175618 | 30 October 1991 | 29 December 1992 | 30 October 1991 | 30 October 2011 | Compression method for interlace moving image signals | U.S. Patent 5,175,618 file+20: [2011, 10, 30] grant+17: [2009, 12, 29] | Victor Company |
  | 5341457 | 20 August 1993 | 23 August 1994 | 30 December 1988 | 23 August 2011 | Perceptual coding of audio signals | U.S. Patent 5,341,457 file+20: [2013, 8, 20] related_patent+20: [2008, 12, 30] grant+17: [2011, 8, 23] | Alcatel-Lucent |
  | RE39080 | 22 September 1994 | 6 May 1997 | 30 December 1988 | 6 May 2014 | Rate loop processor for perceptual encoder/decoder | Reissue of 05627938 filed 13 August 2002 granted 25 April 2006 U.S. Patent RE39080 file+20: [2014, 9, 22] related_patent+20: [2008, 12, 30] grant+17: [2014, 5, 6] | Alcatel-Lucent |
  | 4972484 | 21 July 1988 | 20 November 1990 | 20 November 1987 | 20 November 2007 | Method of transmitting or storing masked sub-band coded audio signals | U.S. Patent 4,972,484 file+20: [2008, 7, 21] pct_file+20: [2007, 11, 20] grant+17: [2007, 11, 20] | Audio MPEG, Inc |
  | 5214678 | 31 May 1990 | 25 May 1993 | 31 May 1990 | 31 May 2010 | Digital transmission system using subband coding of a digital signal | file+20: [2010, 5, 31] grant+17: [2010, 5, 25] | Audio MPEG, Inc |
  | 5323396 | 21 December 1992 | 21 June 1994 | 1 June 1990 | 21 June 2011 | Digital transmission system, transmitter and receiver for use in the transmission system | U.S. Patent 5,323,396 file+20: [2012, 12, 21] related_patent+20: [2010, 6, 1] grant+17: [2011, 6, 21] | Audio MPEG, Inc |
  | 5539829 | 7 June 1995 | 23 July 1996 | 1 June 1990 | 23 July 2013 | Subband coded digital transmission system using some composite signals | U.S. Patent 5,539,829 file+20: [2015, 6, 7] related_patent+20: [2010, 6, 1] grant+17: [2013, 7, 23] | Audio MPEG, Inc |
  | 5606618 | 27 December 1993 | 25 February 1997 | 1 June 1990 | 25 February 2014 | Subband coded digital transmission system using some composite signals | U.S. Patent 5,606,618 file+20: [2013, 12, 27] related_patent+20: [2010, 6, 1] grant+17: [2014, 2, 25] | Audio MPEG, Inc |
  | 5530655 | 6 June 1995 | 25 June 1996 | 1 June 1990 | 25 June 2013 | Digital sub-band transmission system with transmission of an additional signal | U.S. Patent 5,530,655 file+20: [2015, 6, 6] related_patent+20: [2010, 6, 1] grant+17: [2013, 6, 25] | Audio MPEG, Inc |
  | 5777992 | 7 June 1995 | 7 July 1998 | 1 June 1990 | 7 July 2015 | Decoder for decoding and encoded digital signal and a receiver comprising the decoder | U.S. Patent 5,777,992 file+20: [2015, 6, 7] related_patent+20: [2010, 6, 1] grant+17: [2015, 7, 7] | Audio MPEG, Inc |
  | 6289308 | 8 March 2000 | 11 September 2001 | 1 June 1990 | 1 June 2010 | Encoded wideband digital transmission signal and record carrier recorded with such a signal | U.S. Patent 6,289,308 file+20: [2020, 3, 8] related_patent+20: [2010, 6, 1] term extension 0 days | Audio MPEG, Inc |
  | 5481643 | 24 April 1995 | 2 January 1996 | 18 March 1993 | 18 March 2013 | Transmitter, receiver and record carrier for transmitting/receiving at least a first and a second signal component | U.S. Patent 5,481,643 file+20: [2015, 4, 24] related_patent+20: [2013, 3, 18] grant+17: [2013, 1, 2] | Audio MPEG, Inc |
  | 5544247 | 25 October 1994 | 6 August 1996 | 25 October 1994 | 25 October 2014 | Transmission and reception of a first and a second main signal component | U.S. Patent 5,544,247 file+20: [2014, 10, 25] grant+17: [2013, 8, 6] | Audio MPEG, Inc |
  | 5610985 | 21 January 1994 | 11 March 1997 | 21 January 1994 | 11 March 2014 | Digital 3-channel transmission of left and right stereo signals and a center signal | U.S. Patent 5,610,985 file+20: [2014, 1, 21] grant+17: [2014, 3, 11] | Audio MPEG, Inc |
  | 5740317 | 30 August 1995 | 14 April 1998 | 21 July 1992 | 14 April 2015 | Process for finding the overall monitoring threshold during a bit-rate-reducing source coding | U.S. Patent 5,740,317 file+20: [2015, 8, 30] related_patent+20: [2013, 9, 17] pct_file+20: [2012, 7, 21] grant+17: [2015, 4, 14] | Audio MPEG, Inc |
  | 5878080 | 7 February 1997 | 2 March 1999 | 7 February 1997 | 7 February 2017 | N-channel transmission, compatible with 2-channel transmission and 1-channel transmission | U.S. Patent 5,878,080 file+20: [2017, 2, 7] | Audio MPEG, Inc |
  | 5960037 | 9 April 1997 | 28 September 1999 | 9 April 1997 | 9 April 2017 | Encoding of a plurality of information signals | U.S. Patent 5,960,037 file+20: [2017, 4, 9] | Audio MPEG, Inc |
  | 5991715 | 31 August 1995 | 23 November 1999 | 31 August 1995 | 31 August 2015 | Perceptual audio signal subband coding using value classes for successive scale factor differences | U.S. Patent 5,991,715 file+20: [2015, 8, 31] | Audio MPEG, Inc |
  | 6023490 | 9 April 1997 | 8 February 2000 | 9 April 1997 | 9 April 2017 | Encoding apparatus for encoding a plurality of information signals | U.S. Patent 6,023,490 file+20: [2017, 4, 9] | Audio MPEG, Inc |
  | 4821260 | 16 December 1987 | 11 April 1989 | 16 December 1987 | 16 December 2007 | Transmission system | U.S. Patent 4,821,260 file+20: [2007, 12, 16] grant+17: [2006, 4, 11] | Thomson |
  | 4942607 | 3 February 1988 | 17 July 1990 | 3 February 1988 | 3 February 2008 | Method of transmitting an audio signal | U.S. Patent 4,942,607 file+20: [2008, 2, 3] grant+17: [2007, 7, 17] | Thomson |
  | 5214742 | 1 October 1990 | 25 May 1993 | 26 January 1990 | 25 May 2010 | Method for transmitting a signal | U.S. Patent 5,214,742 file+20: [2010, 10, 1] pct_file+20: [2010, 1, 26] grant+17: [2010, 5, 25] | Thomson |
  | 5227990 | 17 January 1992 | 13 July 1993 | 17 January 1992 | 17 January 2012 | Process for transmitting and receiving a signal | U.S. Patent 5,227,990 file+20: [2012, 1, 17] grant+17: [2010, 7, 13] | Thomson |
  | 5384811 | 24 August 1992 | 24 January 1995 | 8 October 1990 | 24 January 2012 | Method for the transmission of a signal | U.S. Patent 5,384,811 file+20: [2012, 8, 24] pct_file+20: [2010, 10, 8] grant+17: [2012, 1, 24] | Thomson |
  | 5736943 | 31 May 1996 | 7 April 1998 | 8 July 1994 | 7 April 2015 | Method for determining the type of coding to be selected for coding at least two signals | U.S. Patent 5,736,943 file+20: [2016, 5, 31] pct_file+20: [2014, 7, 8] grant+17: [2015, 4, 7] | Thomson |
  | 5455833 | 26 April 1993 | 3 October 1995 | 25 October 1990 | 3 October 2012 | Process for the detecting of errors in the transmission of frequency-coded digital signals | U.S. Patent 5,455,833 file+20: [2013, 4, 26] pct_file+20: [2010, 10, 25] grant+17: [2012, 10, 3] | Thomson |
  | 5559834 | 15 April 1994 | 24 September 1996 | 6 October 1992 | 24 September 2013 | Method of reducing crosstalk in processing of acoustic or optical signals | U.S. Patent 5,559,834 file+20: [2014, 4, 15] pct_file+20: [2012, 10, 6] grant+17: [2013, 9, 24] | Thomson |
  | 5321729 | 26 April 1993 | 14 June 1994 | 24 June 1991 | 24 June 2011 | Method for transmitting a signal | U.S. Patent 5,321,729 file+20: [2013, 4, 26] related_patent+20: [2011, 6, 24] grant+17: [2011, 6, 14] | Thomson |
  | 5706309 | 2 May 1995 | 6 January 1998 | 2 November 1993 | 6 January 2015 | Process for transmitting and/or storing digital signals of multiple channels | U.S. Patent 5,706,309 file+20: [2015, 5, 2] pct_file+20: [2013, 11, 2] grant+17: [2015, 1, 6] | Thomson |
  | 5701346 | 12 September 1996 | 23 December 1997 | 2 February 1995 | 2 February 2015 | Method of coding a plurality of audio signals | U.S. Patent 5,701,346 file+20: [2016, 9, 12] pct_file+20: [2015, 2, 2] grant+17: [2014, 12, 23] | Thomson |
  | 5742735 | 25 August 1994 | 21 April 1998 | 20 April 1989 | 21 April 2015 | Digital adaptive transformation coding method | U.S. Patent 5,742,735 file+20: [2014, 8, 25] related_patent+20: [2009, 4, 20] grant+17: [2015, 4, 21] | Thomson |
  | 5812672 | 15 December 1994 | 22 September 1998 | 13 October 1992 | 22 September 2015 | Method for reducing data in the transmission and/or storage of digital signals of several dependent channels | U.S. Patent 5,812,672 file+20: [2014, 12, 15] pct_file+20: [2012, 10, 13] grant+17: [2015, 9, 22] | Thomson |
  | 5579430 | 26 January 1995 | 26 November 1996 | 23 December 1991 | 26 November 2013 | Digital encoding process | U.S. Patent 5,579,430 file+20: [2015, 1, 26] related_patent+20: [2011, 12, 32] grant+17: [2013, 11, 26] | Thomson |
  | 6185539 | 26 May 1998 | 6 February 2001 | 19 February 1997 | 19 February 2017 | Process of low sampling rate digital encoding of audio signals | U.S. Patent 6,185,539 file+20: [2018, 5, 26] pct_file+20: [2017, 2, 19] | Thomson |
  | 6009399 | 16 April 1997 | 28 December 1999 | 16 April 1997 | 16 April 2017 | Method and apparatus for encoding digital signals employing bit allocation using combinations of different threshold models to achieve desired bit rates | U.S. Patent 6,009,399 file+20: [2017, 4, 16] | Thomson |
  | 5924060 | 20 March 1997 | 13 July 1999 | 14 January 1991 | 14 January 2011 | Digital coding process for transmission or storage of acoustical signals by transforming of scanning values into spectral coefficients | U.S. Patent 5,924,060 file+20: [2017, 3, 20] related_patent+20: [2011, 1, 14] | Thomson |
  | 5703999 | 18 November 1996 | 30 December 1997 | 23 February 1995 | 18 November 2016 | Process for reducing data in the transmission and/or storage of digital signals from several interdependent channels | U.S. Patent 5,703,999 file+20: [2016, 11, 18] related_patent+20: [2015, 2, 32] | Thomson |
  