LCD backlight duration proportional to amount of information...

Details LCD backlight duration proportional to amount of information... LCD backlight duration proportional to amount of information...

2007-05-22

2007-05-22

Urban, Edward F. (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S574000

Reexamination Certificate

active

10788599

ABSTRACT:
A method, and device incorporating the method, permits adjustment of the on time of a light source that illuminates a display within a handheld wireless communications device. The on time may be adjusted by the amount of information to be displayed, the font size of the information, the behavioral characteristics of the end user, the type of viewing activity, and the like. An optional dim mode permits the end user to be made aware that the light illuminating the display is about to be shut off.

REFERENCES:
patent: 6574486 (2003-06-01), Labban
patent: 2002/0142808 (2002-10-01), Abbasi
patent: 2003/0073467 (2003-04-01), Tanaka et al.
patent: 2003/0104841 (2003-06-01), Yamamoto
patent: 2004/0204016 (2004-10-01), Sakamoto
patent: 2004/0204125 (2004-10-01), Messel et al.
patent: 2005/0104805 (2005-05-01), Masaki
patent: 2005/0119032 (2005-06-01), Airas
patent: 1 195 971 (2002-04-01), None
patent: WO 2005/022871 (2005-01-01), None
Partial European Search Report, with Annex, Aug. 18, 2004 (2 pgs).

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