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:
Jul. 23, 1985
Filed:
Jun. 25, 1984
Applicant:
Inventor:
James B Starr, St. Paul, MN (US);
Assignee:
Honeywell Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
73727 ; 73721 ; 338-4 ; 338 42 ;
Abstract
A transducer for sensing pressure formed of a single crystal semiconductor chip having a cavity formed in one surface, wherein a tube to communicate pressure to the cavity surrounds the cavity, wherein pressure measuring sensors are disposed opposite the cavity and wherein additional pressure-responsive sensors are disposed on the chip to provide a signal for compensating for zero shift temperature and pressure induced signals generated by the measuring sensors.