Wireless data communication apparatus using the diffused infrare

Details Wireless data communication apparatus using the diffused infrare Wireless data communication apparatus using the diffused infrare

1997-11-12

2000-11-28

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359152, 359176, 359172, 34082572, H04B 1000

Patent

active

061543004

ABSTRACT:
A wireless data communication apparatus using the diffused infrared-ray antennas comprising: a plurality of terminals having their own optical communication modules for transmitting and receiving infrared-ray signals, wherein the optical communication module includes a parabolic shaped infrared-ray antenna; and a repeater which receives the infrared-ray signals transmitted from the plurality of terminals and transmits the infrared-ray signals to the plurality of terminals, wherein the repeater includes a parabolic shaped infrared-ray antenna.

REFERENCES:
patent: 4636797 (1987-01-01), Saffold et al.
patent: 4959874 (1990-09-01), Saruta et al.
patent: 5383915 (1995-01-01), Adams
patent: 5479408 (1995-12-01), Will
patent: 5706115 (1998-01-01), Hirayama et al.

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