Wireless audio and video signal transmitter and receiver system

Details Wireless audio and video signal transmitter and receiver system Wireless audio and video signal transmitter and receiver system

1990-06-01

1991-09-10

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358143, 358186, 358188, H04N 704, H04N 560, H04N 538

Patent

active

050478605

ABSTRACT:
A wireless audio and video signal transmitter and receiver system apparatus capable of accepting both external baseband audio and video signal inputs and a modulated external audio/video signal modulated at a particular television channel. A transmitter transmits an audio/video signal to one or more remote receivers which regenerate the original audio/video signal providing both baseband audio and video signal outputs as well as a modulated audio/video signal output at the particular television channel. The transmitter includes a modulated audio/video signal input section and baseband audio and video signal input sections which provide audio sub-carrier and video baseband signals to a video/RF switch which permits the user to select between modulated and baseband inputs to the transmitter. The audio/video signal is AM modulated and up converted before being transmitted to the receiver. The receiver down converts the received audio/video signal and through which a modulated audio/video signal output section connected to baseband audio and video signal output sections serves to provide both modulated and baseband audio/video signal outputs.

REFERENCES:
patent: 3731282 (1973-05-01), Dancis
patent: 4620226 (1986-10-01), Cheung
patent: 4623921 (1986-11-01), Schmitz
patent: 4646150 (1987-02-01), Robbins
patent: 4742393 (1988-05-01), Sugai

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