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:
Apr. 07, 1992
Filed:
Oct. 15, 1990
Applicant:
Inventors:
Bruce D Hockaday, Vernon, CT (US);
James P Waters, Ellington, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ; G01L / ;
U.S. Cl.
CPC ...
73704 ; 73705 ; 73708 ; 73778 ; 7386259 ; 25023119 ;
Abstract
A micromachined silicon pressure transducer employs a vibrating bridge that is formed from the same silicon slab as the pressure responsive diaphragm. The resonant frequency of the bridge is a temperature insensitive representation of the pressure.