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:
Oct. 18, 1983
Filed:
Dec. 22, 1981
Applicant:
Inventors:
Daizo Shigemori, Sagamihara, JP;
Yuji Muramatsu, Machida, JP;
Assignee:
Kabushiki Kaisha Sankosha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313325 ; 313-3 ;
Abstract
An overvoltage protecting element of the invention has a pair of main electrodes, the discharging surfaces of which oppose each other with a gap therebetween in a cylindrical body of an insulator, and a conductive member which is formed on the inner wall surface of the cylindrical body to oppose the main electrodes with a gap therebetween, and a plurality of extended parts of which extending in the circumferential direction of the cylindrical body being connected in the axial direction of the cylindrical body. The main electrodes and the conductive member are electrically connected to each other by capacitive coupling.