Infrared data communication system

Details Infrared data communication system Infrared data communication system

1986-05-23

1988-02-23

Orsino, Jr., Joseph A.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455607, H04B 900

Patent

active

047276002

ABSTRACT:
An infrared data repeater adapted for providing communication of infrared signals across an infrared transmission barrier comprises a pair of relay units mounted at opposite ends of a housing. The housing may be mounted in the wall of a building. Arrays of receiver and transmitter elements of the relay units are configured to provide communication over substantial solid angles. The relay units may be selectively directionally orientated. The elements define different effective pre-established solid angles of reception and transmission. The elements are arranged so that there is an inverse relationship between the solid angle and the distance between the element and a corresponding infrared receiver or transmitter.

REFERENCES:
patent: 4074127 (1978-02-01), Mochida et al.
patent: 4516221 (1985-05-01), Nakata et al.
patent: 4542262 (1985-09-01), Ruff
Alessi et al.--"A Negative Ion Sputter"--Nuclear Instruments and Methods--147--No. 2--01 Dec. 1977, pp. 305-312.
Gosch--"Computer Cuts the Distance"--Electronics--vol. 54, No. 7, Apr. 21, 1981, pp. 83, 84.

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