Signal recording system for recording signals on a rotary record

Details Signal recording system for recording signals on a rotary record Signal recording system for recording signals on a rotary record

1985-04-22

1987-04-07

McElheny, Jr., Donald

Facsimile and static presentation processing

Facsimile

Recording apparatus

358343, H04N 576

Patent

active

046565280

ABSTRACT:
A signal recording system for recording signals on a disc comprises a circuit for generating a modulated signal by subjecting a control program to a self clock modulation based on a reference clock and then to a band limitation to an audio signal band, which control program is transmitted in terms of blocks each having a fixed length, a circuit for generating a block discrimination signal for discriminating a beginning or end of each block, which block discriminating signal has a fundamental frequency which is different from the reference clock frequency of the modulated signal and is within the audio signal band, a circuit for time-division-multiplexing the block discrimination signal to a time period in which the modulated signal is not transmitted, and a circuit for recording the time division multiplexed signal and at least the video signal on the disc. The control program comprises control commands of a disc reproducing apparatus which plays the disc having track turns recorded with the control program at least together with the video signal and input and output commands and internal processing commands of an external device which has a discriminating function and is coupled to the disc reproducing apparatus.

REFERENCES:
patent: 4348699 (1982-09-01), Tsuchiya et al.
patent: 4361849 (1982-11-01), Bolger
patent: 4476499 (1984-10-01), Kanamaru et al.

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