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:
Jul. 21, 1998
Filed:
May. 02, 1996
Sony Corporation, Tokyo, JP;
Abstract
A battery pack including a secondary battery is coupled to an electronic device to behave as a power source of the electronic device. The battery pack comprises a plus terminal (EB+) and a minus terminal (EB-) for supplying a current to the electronic device, a communication terminal (DATAB) for exchanging data with the electronic device, a connection terminal (BATTINB) connected to said electronic device when the plus terminal and the minus terminal are properly connected to the electronic device, battery status measuring elements (6, 7) for measuring the temperature and the voltage of the secondary battery, and CPU (1) for establishing one of operation modes in response to the voltages at the communication terminal and the connection terminal.