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. 03, 1987
Filed:
Jun. 27, 1986
Applicant:
Inventor:
James K Berger, Malibu, CA (US);
Assignee:
Methode of California, Chatsworth, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H03K / ; H03K / ; H03K / ;
U.S. Cl.
CPC ...
307575 ; 3072 / ; 307246 ; 307473 ; 307584 ;
Abstract
A high voltage switching circuit for a printed circuit board tester, or the like, utilizing field effect transistor (FET) switches which are controlled by CMOS logic circuitry, which incorporates a voltage level shifter circuit for high voltage switching operations, and which performs its switching functions with a minimum of FET's and associated elements, as compared with similar switching circuits in the prior art.