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:
Aug. 11, 1987
Filed:
Mar. 12, 1985
Applicant:
Inventor:
Warren G Hafner, Lake Carmel, NY (US);
Assignee:
Pitney Bowes Inc., Stamford, CT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F / ;
U.S. Cl.
CPC ...
3072 / ; 3072 / ; 307363 ; 307496 ;
Abstract
A circuit for selecting one of a plurality of positive voltages when both can be applied to an integrated circuit. The circuit comprises a sensing apparatus for determining which of the plurality of voltages is the highest, apparatus for providing the highest voltage to the substrate and apparatus for applying the highest of the plurality of voltages to the substrate to insure protection and proper operation of the integrated circuit.