Radio permitting information transfer between radio frequency sh

Details Radio permitting information transfer between radio frequency sh Radio permitting information transfer between radio frequency sh

1994-04-26

1997-01-14

Boudreau, Leo

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359146, 359152, 459 83, H04B 1000

Patent

active

055945791

ABSTRACT:
A radio (300) includes shielded circuitry (318) residing within radio frequency electromagnetic shielding structure (320) that has an aperture (322) formed therein. The shielded circuitry includes an optical transmitter (206) to direct light (information) through the aperture to an optical detector (208) coupled to other circuitry residing outside of the electromagnetic shielding structure. In this way, the optical detector receives light (information) from the optical transmitter via the aperture without degrading the radio frequency shielding of the shielded circuitry.

REFERENCES:
patent: 4499608 (1985-02-01), Broockman
patent: 4570079 (1986-02-01), Davis
patent: 4612670 (1986-09-01), Henderson
patent: 4625333 (1986-11-01), Takezawa
patent: 4719358 (1988-01-01), Matsumoto
patent: 4887313 (1989-12-01), Luke et al.
patent: 4904993 (1990-02-01), Sato
patent: 4964693 (1990-10-01), Branan, Jr. et al.
patent: 5299046 (1994-03-01), Spaeth

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