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. 30, 2014
Filed:
Mar. 16, 2011
Hiroshi Miyazaki, Shiga, JP;
Hidenori Shimizu, Shiga, JP;
Akira Kawai, Shiga, JP;
Masaaki Okada, Shiga, JP;
Hiroshi Miyazaki, Shiga, JP;
Hidenori Shimizu, Shiga, JP;
Akira Kawai, Shiga, JP;
Masaaki Okada, Shiga, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An electric tool comprises a removable battery packas a power supply, a motor M as a power source, a drive unit being driven by said motor, a switch SW as an operation input unit, and a control circuit CPU controlling the driving of said motor according to the operation of said switch. The electric tool further comprises a power supply connection unit that enables a plurality of battery pack types, which have different rated output voltages, to be selectively connected, and an identification means that identifies the type of said battery pack that has been connected. Said control circuit is configured to control an output of said motor based on identification information for the type of said battery pack that has been connected, provided by said identification means.