ELECTRONIC APPARATUS, CHARGING SET, AND REGULATING CHARGING CONNECTION

Japanese Patent JP3863557

B2

PROBLEM TO BE SOLVED: To aim at providing regulating charging technique provided in such a manner that a secondary battery owned by the electronic apparatus can be efficiently charged.
SOLUTION: The electronic apparatus has an input for inputting electric power from a power source generating a constant voltage output in the output of a prescribed current or less, and decreasing voltage in the output of the prescribed current or more, gives an input from the input part to a load, and additionally charges the secondary battery with electric power from the input part serving as the input. The electronic apparatus has a power input sense means for sensing the input of the electric power given from the input part; a charger for charging the secondary battery with a current from the input serving as the input; and the charge regulating circuit for controlling a charging current given to the secondary battery by the charger in accordance with electric power input information sensed by the power input sense means, with the current given to the load from the input part changing in accordance with a condition of the load, in such a manner with a sum of this changing current and the charging current not substantially separated from a constant voltage region of the power source.

Koichi Matsuda
Mitsuo Saeki
Nobuo Tanaka
Hidekiyo Ozawa

JP2006175292A

December 27, 2006

June 26, 2006

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富士通株式会社

H02J7/34

JP7177681A
JP6335172A
JP6133472A
JP6178460A
JP6029903A
JP5056566A
JP5003633A
JP4150728A
JP3273832A
JP3273831A
JP3190537A
JP63103627A
JP57211945A
JP59176341U
JP59176340U

Hikaru Okada
Akira Yamatani
Yoshiyoshi Ogasawara

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