Portable information processing apparatus and method of the...

Details Portable information processing apparatus and method of the... Portable information processing apparatus and method of the...

2007-02-13

2007-02-13

Lee, Thomas (Department: 2115)

Electrical computers and digital processing systems: support

Computer power control

C710S014000

Reexamination Certificate

active

10184899

ABSTRACT:
The present invention relates to a portable information apparatus which can realize electrical power for a longer period of time. Under the condition that the suspending mode is set, when an exclusive key is manipulated, a switch monitoring circuit detects this condition and issues an interruption to the CPU. In this timing, the CPU supplies the necessary electrical power to the CD-ROM controller, CD-ROM drive and audio circuit which are required for reproduction of CD. Thereby, a CD can be reproduced under the suspending mode.

REFERENCES:
patent: 5457478 (1995-10-01), Frank
patent: 5504658 (1996-04-01), Matsuda et al.
patent: 5838983 (1998-11-01), Atkinson
patent: 6006285 (1999-12-01), Jacobs et al.
patent: 6545668 (2003-04-01), Hayama

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