Wireless information device with its transmission power...

Details Wireless information device with its transmission power... Wireless information device with its transmission power...

2005-06-07

2005-06-07

Corsaro, Nick (Department: 2684)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S067130, C455S069000

Reexamination Certificate

active

06904295

ABSTRACT:
A wireless information device with its transmission power level adjustable, the drive voltage or power amplification factor associate circuit of the transmission device is adjusted depending on the communication signal strength required by the communication range and environment to select the drive voltage required by the operation of or the power amplification factor for transmission control of the transmission device, thus to avoid waste of electric power due to excessive strength of communication signal.

REFERENCES:
patent: 6330455 (2001-12-01), Ichihara
patent: 6389272 (2002-05-01), Horigome et al.
patent: 6675000 (2004-01-01), Ichikawa
patent: 2002/0052215 (2002-05-01), Conti et al.
patent: 2002/0176513 (2002-11-01), Gouessant et al.
patent: 2003/0128740 (2003-07-01), Iwamoto et al.
patent: 2003/0194028 (2003-10-01), Jeffers et al.

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