Mobile communication terminal driven by power received from...

Details Mobile communication terminal driven by power received from... Mobile communication terminal driven by power received from...

2007-06-12

2011-11-08

Nguyen, Duc (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S572000, C455S574000, C320S150000

Reexamination Certificate

active

08055311

ABSTRACT:
A mobile phone includes an external power supply terminal receiving power from the external power supply, a secondary battery charging at least part of the received power and supplying the charged power to a load, a radio circuit receiving power from the secondary battery and allowing transmission power to be varied, and a control portion detecting the transmission power level of the radio circuit and switching to any of a plurality of charge modes having different time periods for charging the secondary battery, based on the detected transmission power level.

REFERENCES:
patent: 5506490 (1996-04-01), DeMuro
patent: 5804945 (1998-09-01), Sato et al.
patent: 2004/0097275 (2004-05-01), Ohno et al.
patent: 2004/0102228 (2004-05-01), Hakamata et al.
patent: 2005/0237030 (2005-10-01), Takenaka
patent: 11-187584 (1999-07-01), None
patent: 2004-104910 (2004-04-01), None
patent: 2005-45669 (2005-02-01), None
Japanese Office Action dated Jun. 24, 2008 (mailing date), issued in corresponding Japanese Patent Application No. 2006-164056.

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