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:
Nov. 08, 1983
Filed:
Mar. 05, 1981
Applicant:
Inventors:
Kenji Ueda, Otsu, JP;
Kiyoshi Miyamoto, Nagaokakyo, JP;
Assignee:
Omron Tateisi Electronics Co., Nagaokakyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
307116 ;
Abstract
Electronic switching device comprising external terminals for connection with an external power source and a load, a detection circuit for generating a detection signal, a polarity switching circuit including an opto-coupler, and a power switching circuit for directly switching the load connected to the external terminals, said polarity switching circuit upon energizing or disenergizing the opto-coupler inverting the detection signal for application to the power switching circuit.