Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1979-03-21
1980-09-30
Griffin, Robert L.
Facsimile and static presentation processing
Facsimile
Recording apparatus
H04N 530
Patent
active
042258863
ABSTRACT:
A video camera control system is provided capable of selectively providing one of a plurality of control signals with each signal corresponding to a particular predesignated function of a video camera. The output signals from the control system are generated in response to constant voltage input signals produced by an input circuit. The input circuit is coupled to a control circuit through a single transmission line over which different constant level voltage signals are transmitted. The voltage level of the input signal which is transmitted is selected from among a plurality of predetermined levels in dependence upon the control function to be achieved. The control circuit, in turn, receives the input signals and in response thereto will activate one of a plurality of switches for providing a corresponding output signal which serves to enable an appropriate camera function.
REFERENCES:
patent: 4123782 (1978-10-01), Kitahara
Griffin Robert L.
Lectrolarm Custom Systems, Inc.
Masinick Michael A.
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