Aquapac
Aquapac is a registered trademark and brand name of a UK-based manufacturing company, Aquapac International Limited, specializing in waterproof cases and bags. The privately owned company was formed in 1983 and holds patents worldwide on systems for sealing bags and cases. The range commenced with a waterproof case for the original Sony Walkman known as the ‘Aquaman’, followed by cases for handheld VHF radios. Following Motorola’s invention of the first cellphone Aquapac launched the world’s first waterproof cellphone case. Nokia was an important customer for these cases during the 1990s, as were cellphone operators such as Deutsche Telekom and NTT DoCoMo. Aquapac went on to launch waterproof cases for other handheld electronics such as cameras and eReaders. The company operates out of factories in London, England.
Compagnie générale de la télégraphie sans fil
From the mid-19th century the world was connected with an increasingly dense network of telegraph wires and submarine cables.
In 1887 Heinrich Hertz of Germany conclusively proved the existence of electromagnetic waves.
Alexander Stepanovich Popov of Russia developed antennas to transmit and receive radio waves.
Scientists such as Édouard Branly and Nikola Tesla also contributed to development of the concepts.
In 1895 Guglielmo Marconi, a student at the University of Bologna, invented wireless telegraphy.
In 1897 he founded the Wireless Telegraph & Signal Company in England.
Its subsidiary the Marconi Wireless Telegraph Company of America was formed in the US in 1899.
The Telefunken company was created in Germany in 1903 as a joint venture of Siemens and AEG.