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:
Oct. 11, 2011
Filed:
Oct. 31, 2008
Katsuya Suzuki, Gunma, JP;
Kuniharu Suzuki, Tokyo, JP;
Akira Ikeuchi, Kanagawa, JP;
Yoshihide Majima, Kanagawa, JP;
Hirotsugu Iijima, Tokyo, JP;
Kenichi Kasai, Kanagawa, JP;
Takatoshi Itagaki, Hokkaido, JP;
Katsuya Suzuki, Gunma, JP;
Kuniharu Suzuki, Tokyo, JP;
Akira Ikeuchi, Kanagawa, JP;
Yoshihide Majima, Kanagawa, JP;
Hirotsugu Iijima, Tokyo, JP;
Kenichi Kasai, Kanagawa, JP;
Takatoshi Itagaki, Hokkaido, JP;
Sony Ericsson Mobile Communications Japan, Inc, Tokyo, JP;
Mitsumi Electric Co., Ltd., Tama-shi, JP;
Abstract
Disclosed is a mobile terminal incorporating a battery pack utilized as power supply. The mobile terminal includes a positive terminal connected to a battery pack positive electrode, a negative terminal connected to a battery pack negative electrode, a data communication terminal communicating with a circuit in the battery pack, a charge control unit controlling charging of the battery pack via the positive terminal, and a reference voltage output unit outputting reference voltage. The terminal further includes a dividing resistor and a thermistor connected in series between the reference voltage output unit and the negative terminal, a temperature detector detecting temperature, and stopping charging of the battery pack based on the detected temperature, and a switching device controlling the voltage at the predetermined portion. The terminal still further includes a control unit communicating with the circuit in the battery pack via the data communication terminal, and changing the voltage at the predetermined portion when notified abnormality from the battery pack.