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. 23, 1997
Filed:
Dec. 07, 1995
Applicant:
Inventor:
Tom A Agan, Maple Grove, MN (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
326 81 ; 326 33 ; 326 68 ;
Abstract
Logic level shifter for coupling a first logic circuit having a first voltage level power supply to a second logic circuit with the shifter and the second logic circuit having a second voltage level power supply and with the second voltage level supply applied at a time when the first level voltage supply is not applied. The level shifter maintains its outputs at either a reference ground voltage or the second level voltage when the second level voltage supply is present and the first level voltage supply is not present.