Video disk recorded with video and digital data and recording/re

Details Video disk recorded with video and digital data and recording/re Video disk recorded with video and digital data and recording/re

1986-11-18

1989-01-24

McElheny, Jr., Donald

Facsimile and static presentation processing

Facsimile

Recording apparatus

358342, H04N 592

Patent

active

048004464

ABSTRACT:
An apparatus and method for recording both a television picture signal and a digital data signal onto one track of a video disk. The digital data is divided into fixed length blocks. The video synchronization pulse is detached from a previous field and the digital data is positioned to have a trailing end at the following video synchronization pulse. Therefore, after a predetermined delay, the modulated digital data and modulated television picture signals are added and recorded on the video disk.

REFERENCES:
patent: 4372473 (1987-06-01), Sugiyama
patent: 4680647 (1987-07-01), Moriyama

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