Universal television interface and sync generator therefor

Details Universal television interface and sync generator therefor Universal television interface and sync generator therefor

1977-07-21

1978-09-26

Richardson, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 93, 358142, 358148, 358150, 358192, H04N 506, H04N 550

Patent

active

041175115

ABSTRACT:
Apparatus for generating horizontal and vertical synchronization signals in synchronism with synchronization signals generated by an ongoing television program received by a user without internal connections to the user's television receiver, is provided by optically extracting pulses from a displayed raster of the ongoing television program and generating therefrom the synchronization signals in synchronization with the ongoing program.

REFERENCES:
patent: 3728480 (1973-04-01), Baer

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