Portable communication terminal

Details Portable communication terminal Portable communication terminal

2004-04-02

2009-06-02

Jackson, Blane J (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S556100

Reexamination Certificate

active

07542783

ABSTRACT:
A cellular phone has a black-and-white LCD that displays characters and communication information and a color LCD that displays an image. The image and the characters are displayed on the separate LCDs. Thus, the characters are not superimposed on the image, and they are easy to see. When the image is not needed (the user is not using the phone or the user is talking on the phone), only the black-and-white LCD displays the characters and the color LCD is turned off to save energy.

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