Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1983-06-28
1986-03-11
Chin, Tommy P.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
H04N 5268
Patent
active
045757593
ABSTRACT:
Apparatus for interconnecting a component entertainment system including a bi-directional signal bus for interconnecting some of the components comprises a first switch unit having one input adapted to be coupled to the bi-directional signal bus, at least one other input adapted to be coupled to receive signal from a component not connected to the signal bus and a common output. A second switch unit has one input adapted to receive signal from the component not connected to the signal bus. A signal driver has its input coupled to the output of the second switch unit and its output coupled to the input of the first switch unit adapted to be coupled to the signal bus. The output impedance of the signal driver serves to terminate the signal bus in its characteristic impedance when the driver does not supply signal at its output.
REFERENCES:
patent: 4276562 (1981-06-01), Stewart
patent: 4337480 (1982-06-01), Bourassin et al.
patent: 4338632 (1982-07-01), Falater
patent: 4400735 (1983-08-01), Strammello, Jr.
patent: 4456928 (1984-06-01), Guillon et al.
patent: 4502026 (1985-02-01), Imazeki
Radio Shack, Video Selector, Cat. No. 15-1261, 1983 catalog.
Page 13 of the RCA Selectavision Video Disc Player SGT 250 Owner's Manual, published by RCA Corporation in 1982.
RCA Service Data for Selectavision Video Disc Player Model SFT 100, published by RCA Corporation in 1981 (pp. 5-9).
RCA Service Data for Video Cassette Recorder Model TDP 1000, published by RCA Corporation in 1980 (pp. 7-49 and 7-54).
Article entitled "Component Television" by Telka S. Perry published in IEEE Spectrum Jun. 1983, pp. 38 to 43.
Instructions for TS-2B Video-Audio Switcher, IB 31181, published 1965 by RCA Corporation, Camden, N.J.
Griepentrog Dal F.
Lagoni William A.
Chin Tommy P.
Edelman Lawrence C.
Emanuel Peter M.
RCA Corporation
Whitacre Eugene M.
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