Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1989-06-29
1991-02-12
Chin, Tommy P.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358181, 34082506, 34082549, H04N 5247, H04N 718
Patent
active
049928660
ABSTRACT:
An apparatus for a closed circuit television network having a plurality of video cameras producing video signals, a plurality of video display monitors and a video switcher apparatus coupled therebetween, comprising control apparatus coupled to the video switcher apparatus for controlling which video signals are displayed on each of the plurality of video display monitors. Also provided are graphics user interface apparatus coupled to the control apparatus for permitting a user to operate the control apparatus, thereby permitting the user to control which video signals are displayed on the plurality of video display monitors.
REFERENCES:
patent: 4074225 (1978-02-01), Vandeweghe
patent: 4120004 (1978-10-01), Coutta
patent: 4237483 (1980-12-01), Clever
patent: 4566036 (1986-01-01), Kadosawa
patent: 4581634 (1986-04-01), Williams
patent: 4737847 (1988-04-01), Araki
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