IR/RF radio transceiver and method

Details IR/RF radio transceiver and method IR/RF radio transceiver and method

1993-08-13

1996-12-17

Chin, Wellington

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359145, 4551512, 379 56, 34082572, H04B 1000

Patent

active

055859534

ABSTRACT:
A digital, radio-frequency (RF) transceiver is modified by coupling an infra-red (IR) communication subsystem thereto. The subsystem includes an IR transmitter and receiver which may be coupled selectably by a switch to a data signal channel or source in the transceiver. Preferably, the IR receiver includes an inductor and a diode coupled in parallel, such that the IR receiver detects an IR signal, in significant part, by resonating such signal substantially at a detection or RF baseband frequency.

REFERENCES:
patent: 3466761 (1969-09-01), Stinchcomb
patent: 3657543 (1972-04-01), Rose
patent: 4775996 (1988-10-01), Emerson et al.
patent: 4904993 (1990-02-01), Sato
patent: 5034997 (1991-07-01), Iwasaki
patent: 5373152 (1994-12-01), Domon et al.

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