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. 30, 2012
Filed:
Jan. 14, 2010
Hirohisa Okamura, Tokyo, JP;
Hirohisa Okamura, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
A battery pack includes: at least one secondary battery; a first terminal and a second terminal to perform charge and discharge; a discharge control switch controlled by a first control signal, for turning on/off a discharge current; a charge control switch controlled by a second control signal, for turning on/off a charging current; and a control section to detect a voltage, a current, and a temperature of the secondary battery, control the charge control switch and the discharge control switch by outputting the first control signal and the second control signal in accordance with the voltage, the current, and the temperature of the secondary battery, and calculate a battery capacity of the secondary battery. The control section calculates the battery capacity of the secondary battery by different methods in accordance with respective cases where the secondary battery is being charged, being discharged, and in a fully charged state.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile