1085731-A2 is referenced by 8 patents and cites 8 patents.

A telephone having a power saving function in which characters or an image is displayed at high precision and a brightness of a display portion may be suppressed at the time of a telephone communication. A sensor for detecting an ambient brightness of the earpiece holes of the telephone is arranged in a surface of the telephone having the earpiece holes, particularly adjacent the earpiece holes, for adjusting the brightness of the display portion based on the sensor output.

Title
Telephone having a power saving function
Application Number
EP20000119381 20000911
Publication Number
1085731 (A2)
Application Date
September 11, 2000
Publication Date
March 21, 2001
Inventor
Kawamura Katsuaki
JP
Assignee
Pioneer
JP
IPC
H04M 01/73
H04M 01/72
H04M 01/22
H04M 01/73
H04M 01/22
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