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.

Date of Patent:
Jan. 02, 1996

Filed:

Sep. 29, 1993
Applicant:
Inventor:

James P Hamley, Mill Creek, WA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
320 23 ; 320 40 ;
Abstract

A charging system has an input terminal, coupled to a power source, and an output terminal coupled to the load or battery under charge. The charging system includes an adjustable regulator having an input coupled to the input terminal and an output coupled to the output terminal with its control terminal under control of controller circuitry. The controller circuitry senses the state of charge of the load and provides a controlled, tapered charge thereto until such time that the load is fully charged. At the fully charged state, the controller changes the voltage at the control terminal of the regulator to cease all charging. Charging does not continue until the sensed level of charge of the battery drops to a predetermined recharge state at which point charger activity continues. The disclosed charger can be housed in a small, light weight enclosure and mounted at a location close to the battery with permanent connections thereto. The power source may be provided as a wall mount transformer having an interconnection to the remotely located charger.


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