Encoder for superimposing encoded character data or command data

Details Encoder for superimposing encoded character data or command data Encoder for superimposing encoded character data or command data

1992-03-24

1994-05-10

Kostak, Victor R.

Television

Format

Including additional information

348473, H04N 708, H04N 7087

Patent

active

053113110

ABSTRACT:
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.

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patent: 5063456 (1991-11-01), Horiuchi et al.
patent: 5161021 (1992-11-01), Tsai
patent: 5210611 (1993-05-01), Yee et al.

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