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:
Sep. 28, 1993
Filed:
Apr. 30, 1992
Applicant:
Inventor:
Timothy M Burke, Plano, TX (US);
Assignee:
Murata Machinery, Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
320 48 ; 320 13 ; 320 43 ;
Abstract
A battery monitoring system for a cellular telephone which provides the user with a real time display of the amount of time remaining for use of the cellular telephone in both the standby and conversation modes. The amount of time may be calculated directly from the rate of discharge of the battery or from stored conversion factors corresponding to various states of charge of the battery.