Lambertian mirror optical

Details Lambertian mirror optical Lambertian mirror optical

1991-01-23

1992-09-29

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

359127, H04B 900

Patent

active

051516063

ABSTRACT:
A method and apparatus for facilitating communication among circuit components mounted on a board, in which the components transmit radiation to a "lambertian" (optically rough) surface located in opposition thereto for detection by the other components. If component identification information is included with each transmission, the present invention allows establishment of dynamically changing interconnections among any of the components on a board. The invention requires a relatively small spatial volume for implementation, and affords large data-transfer rates and freedom from electrical or other interactions.

REFERENCES:
patent: 3859536 (1975-01-01), Thiel
patent: 4054801 (1977-10-01), Breval et al.
patent: 4112308 (1978-09-01), Olschewski et al.
patent: 4114177 (1978-09-01), King
patent: 4124860 (1978-11-01), Johnson
patent: 4296331 (1981-10-01), Rodriguez
patent: 4565924 (1986-01-01), Misumi et al.
patent: 4711997 (1987-12-01), Miller
patent: 4720634 (1988-01-01), D'Auria et al.
patent: 4826274 (1989-05-01), Diamantstein et al.

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