Wireless indoor data relay system

Details Wireless indoor data relay system Wireless indoor data relay system

1991-05-31

1993-06-08

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

359118, 359145, H04B 700

Patent

active

052183564

ABSTRACT:
This invention removes the requirement of cable interconnections to local area network (LAN) nodes with wireless optical relay stations suitable for high data rates. Relay sections are equipped with IR transmitters, receivers and narrow beam optics. Manual beam alignment during the LAN installation is aided by a visible light beam of equal beam width and direction. Rotational freedom of the optical antenna systems provide precise aiming. Structure couplers extend, by low-power RF coupling through nonmetallic wall and ceilings, the wireless data transmission from a single room to rooms and building floors. Shielding and wall gaskets of the structure couplers eliminate RF radiation penetration and leakage, and therefore prevent eavesdropping and jamming.

REFERENCES:
patent: 4727600 (1988-02-01), Avakian
patent: 4809359 (1989-02-01), Dockery
patent: 4916460 (1990-04-01), Powell
patent: 4975926 (1990-12-01), Knapp
patent: 5103461 (1992-04-01), Tymes

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