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.:

US 7692408 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 06, 2010

Filed:

Mar. 28, 2006
Applicants:

Hiroshi Miyazaki, Hikone, JP;

Toshiharu Ohashi, Maibara, JP;

Masatoshi Ito, Yokohama, JP;

Inventors:

Hiroshi Miyazaki, Hikone, JP;

Toshiharu Ohashi, Maibara, JP;

Masatoshi Ito, Yokohama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A charging device for use in charging plural types of secondary batteries includes a power source unit for supplying a charging current to an object secondary battery, a battery type signal receiving unit for receiving a battery type signal, a battery temperature signal receiving unit for receiving a battery temperature signal, a blowing unit for blowing an air to the secondary battery, a storage unit for storing reference judging temperatures for determination of charging-incongruent temperatures of the plural types of secondary batteries, in a matching relationship with the types of the secondary batteries, and a control unit. The control unit allows the blowing unit to perform a blowing operation, if the temperature of the secondary battery exceeds a reference judging temperature, and to stop the blowing operation, if otherwise.


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Miyazaki, Hiroshi. (2010). Charging device and rechargeable power tool set (U.S. Patent No. 7692408). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7692408

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