image playback request the content of image playback includes e g the image id of an image to be transmitted the number of images to be transmitted transmission timings and the like when the image to be transmitted is a moving image the image id may be a frame id in succession in step 1113 the image recording unit 211 in the recording device 102 takes an image from the recording medium to take the image out the image id of the image to be transmitted is used in the content of image playback next in step 1114 the image transmission reception unit 210 in the recording device 102 waits for a transmission time to be reached the transmission time is determined based on the transmission timing in the content of image playback when the transmission time is reached the process proceeds to step 1115 subsequently in step 1115 the image transmission reception unit 210 in the recording device 102 transmits the image taken out to the terminal device 103 via the network 200 thereafter in step 1116 the playback control unit 212 in the recording unit 102 makes a determination about completion of the image playback determination about completion is made depending on whether the transmission of an image satisfactorily matching the determined content of image playback is completed or not if it is determined to be complete the process proceeds to step 1117 and if not the process goes to step 1118 in step 1117 the image transmission reception unit 210 in the recording device 102 transmits a notification of completion of image playback to the terminal device 103 via the.