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:
Feb. 09, 1982
Filed:
Feb. 28, 1980
Applicant:
Inventors:
Kaneichi Kondo, Settsu, JP;
Yuji Shingu, Neyagawa, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310319 ; 310339 ;
Abstract
A high voltage generating device in which a piezo-electric element is struck by a hammer to cause arc between discharging electrodes, includes a coil having an inductance of 100 to 1500 mH connected between the piezo-electric element and the discharging electrode to extend the arc period, improve the ignition factor, improve the operability and reduce impact noise.