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. 02, 1993
Filed:
Sep. 25, 1991
Applicant:
Inventor:
Gunter Voss, Much, DE;
Assignee:
Leybold Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ; G01L / ;
U.S. Cl.
CPC ...
73724 ; 29 7541 ; 73718 ; 3612834 ;
Abstract
A sensor for a capacitance pressure gauge having a diaphragm and a base is formed with a series of thin metallic electrode sections formed on the inside of the diaphragm and base. Electrical connection is made to the base electrode sections through the base and one or two pairs of series connected capacitances are formed with the diaphragm electrodes. No direct electrical connection needs to be made to the diaphragm.