Address signal generator for prerecorded signal sources

Details Address signal generator for prerecorded signal sources Address signal generator for prerecorded signal sources

1980-09-18

1983-03-15

Wolff, John H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 44, G11B 500

Patent

active

043769594

ABSTRACT:
Prerecorded audio or video information signals including address data indicating the location of synchronized signals from a plurality of synchronized sources are supplied to a single separation circuit via a switching circuit. The separation circuit, selectively connected to one of the signal sources via the switching circuit, separates the address data from the audio or video information of the connected signal source. A register connected to the separation circuit receives the separated address data which constantly updates the register contents. At least one counter is reset to the contents of the register each time a newly selected signal source is connected to the separation circuit to load the address data of the previously connected signal source into that counter. At regular intervals one binary increment is added to the counter address data so that the counter count value corresponds to the address data of the previously connected signal source. The output of the register is a representation of the address of the signal source that is connected to the separation circuit at any instant of time.

REFERENCES:
patent: 3950782 (1976-04-01), Carey et al.
patent: 4048659 (1977-09-01), Fink, Jr. et al.

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