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. 04, 2001
Filed:
Dec. 26, 2000
Tamiji Nagai, Kanagawa, JP;
Tamon Ikeda, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
A rectifying circuit (a) comprising a diode Da and a capacitor Ca is provided for a winding Ta on the secondary side of a transformer T. A rectifying circuit (b) comprising Db and Cb is provided for a winding Tb. A charging device Ra connected to one output of the circuit (a) is connected to the + side of a secondary battery E,The + side of E,is connected to an output terminal To,and the + side of E,through a switching circuit S,The − side of E,is connected to the other output of the circuit (a) and connected to the − side of E,through S,Rb connected to one output of the circuit (b) is connected to the + side of E,The + side of E,is connected to the + side of E,through S,The − side of E,is connected to the other output of the circuit (b) and connected to the − side of E,through S,The − side of E,is connected to an output terminal To,. S,is provided between the + side of E,and the − side of E