System for processing data signals for insertion in television s

Details System for processing data signals for insertion in television s System for processing data signals for insertion in television s

1974-07-30

1976-12-07

Curtis, Marshall M.

Communications: electrical

Systems

Portable self-contained

178 30, 178DIG6, G06F 314

Patent

active

039965830

ABSTRACT:
In any television transmission system there are periods during which the wide-band picture signals are absent. The invention provides a signal generator system for the transmission of digital information representing a series of pages of alphanumeric or graphical symbols piecewise during these periods. At least one peripheral generating device is provided for supplying digitized data to a main storage device (conveniently of the magnetic disc type) and transfer means is operable to read out portions of the data from the main storage device and store them temporarily in a second storage device. Discharge means is operable to discharge portions of the data from the second storage device at intervals to provide output signals for insertion in a television signal during periods as aforesaid.

REFERENCES:
patent: 3524022 (1970-08-01), Schoenthal
patent: 3701988 (1972-10-01), Allaart

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