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. 28, 1999
Filed:
Sep. 06, 1996
Applicant:
Inventors:
Zbigniew Baranski, Lake Hiawatha, NJ (US);
John Hayes, Blairstown, NJ (US);
Assignee:
Automatic Switch Company, Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ; G01R / ; G01R / ;
U.S. Cl.
CPC ...
324 96 ; 324119 ; 324133 ;
Abstract
A linear optocoupler is employed to provide a signal which is a galvanically isolated reproduction of the magnitude of an A.C. line voltage and another galvanically isolated signal indicative of a change in the polarity of the line voltage for enabling safe monitoring of a change the A.C. voltage. Actuation of an automatic transfer switch to substitute an emergency source of power for a normal source that has failed may be achieved with the emergency power waveform used to replicate the normal power waveform.