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:
Apr. 24, 2001
Filed:
Feb. 16, 2000
Applicant:
Inventors:
Hideyuki Sato, Chiba, JP;
Shuji Okegawa, Chiba, JP;
Hiroyuki Arakawa, Tochigi, JP;
Yoshinari Higuchi, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 1/046 ;
U.S. Cl.
CPC ...
H01M 1/046 ;
Abstract
Necessary information is obtained without connecting a signal line between an electronic device and a charging device, so that it becomes possible to provide a highly value-added function without deteriorating convenience and portability of the charging device and the electronic device.