Explosion proof communications relay and communications system

Details Explosion proof communications relay and communications system Explosion proof communications relay and communications system

2009-06-16

2011-12-27

Gesesse, Tilahun B (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S011100, C455S574000, C455S343100

Reexamination Certificate

active

08086280

ABSTRACT:
A wireless communication system for use in an explosive environment includes at least a pair of explosion-proof communication relay modules which relay communication to mobile communication devices in locations beyond the reach of normal wireless communications with base station antennas. The explosion-proof communication relay modules include features to preclude the generation of a spark or heat source which could ignite any explosive gas or vapor. Similarly, explosion-proof mobile devices include design features which also preclude the generation of a spark or heat source.

REFERENCES:
patent: 6788942 (2004-09-01), Owens et al.
patent: 7376389 (2008-05-01), Bassiri et al.
patent: 2011/0111700 (2011-05-01), Hackett

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