Electronic apparatus control system

Details Electronic apparatus control system Electronic apparatus control system

G - Physics

06

F

350/3

G06F 13/42 (2006.01) H04N 5/44 (2006.01)

Patent

CA 1293560

ABSTRACT OF THE DISCLOSURE A system for controlling electronic apparatus, such as a television receiver, which employs a control circuit having a control program in a read only memory to sequentially communicate over an internal system bus in a predetermined interval with a plurality of controllable, operational circuit blocks forming the electronic apparatus, in which the control circuit selects a specific circuit block for data transfer upon a request signal. In one embodiment, a request signal is transmitted prior to a vertical blanking interval in a television signal and in another embodiment, a dedicated line is provided from a selected controllable unit to the control unit, whereby the request signal can be transmitted at any time, irrespective of whether data is being transferred at such time.

502973

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