The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 25, 2012
Filed:
Dec. 15, 2008
Akira Ikeuchi, Atsugi, JP;
Itsuki Nakano, Atsugi, JP;
Kenichi Kasai, Tama, JP;
Katsuya Suzuki, Tokyo, JP;
Kuniharu Suzuki, Tokyo, JP;
Akira Ikeuchi, Atsugi, JP;
Itsuki Nakano, Atsugi, JP;
Kenichi Kasai, Tama, JP;
Katsuya Suzuki, Tokyo, JP;
Kuniharu Suzuki, Tokyo, JP;
Mitsumi Electric Co., Ltd., Tokyo, JP;
Sony Mobile Communications Japan, Inc., Tokyo, JP;
Abstract
A portable device is disclosed that includes a charge control circuit configured to control charging of a secondary battery included in a battery pack, the secondary battery being configured to supply power to the portable device; a temperature detection terminal at which the temperature of the secondary battery is detected from a temperature detection part of the battery pack; positive and negative power terminals to be connected to the battery pack; a control circuit configured to control the operation of the portable device; and an interface circuit connected between the temperature detection terminal and each of an input terminal of the charge control circuit and an input terminal of the control circuit, in which a signal detected at the temperature detection terminal is fed to each of the charge control circuit and the control circuit through the interface circuit.