H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/08 (2006.01) H04N 5/92 (2006.01) H04N 7/088 (2006.01)
Patent
CA 2063874
M1648-27 18 ABSTRACT OF THE DISCLOSURE An encoder disconnects video data between a video source and a video using device only during 21H in the vertical blanking interval. During 21H, it applies locally generated coded data signals, in a format detectable by conventional data decoding devices, to the video using device. The video source may be a camera or tape playback, and the using device may be a TV set or a video tape recorder.
Harigai Masami
Shindou Hiroyasu
Riches Mckenzie & Herbert Llp
Sanyo Electric Co. Ltd.
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