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:
Mar. 22, 1983
Filed:
Aug. 08, 1980
Takao Kikuoka, Honjoh, JP;
Hiroaki Yamamoto, Fukaya, JP;
Noriyoshi Sasaki, Honjoh, JP;
Kotaro Wakui, Mitaka, JP;
Keinosuke Murakami, Machida, JP;
Kazunori Ohnishi, Tokyo, JP;
Gou Kawamura, Tokyo, JP;
Hiroshi Noguchi, Higashikurume, JP;
Fumio Ukigaya, Higashiyamato, JP;
Shin-Kobe Electric Machinery Co., Ltd., Tokyo, JP;
Nippon Hoso Kyokai (The Japan Broadcasting Corporation), Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Denshi Kabushiki Kaisha, Tokyo, JP;
Abstract
A system for measuring the state of charge of a storage battery is disclosed which corrects charging and discharge electrical quantities of the battery in view of temperature and charging efficiency of the battery, and the like to precisely measure the state of charge thereof by digital-operation. There is also disclosed a system correcting, by digital-operation, the variation in capacity of the battery due to the variation in life of the battery and/or the self-discharge thereof as well, to thereby measure the state of charge with higher precision.