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. 15, 1986
Filed:
Nov. 06, 1984
Applicant:
Inventors:
Edwin B Merrick, Stow, MA (US);
Thomas P Stephens, Boxford, MA (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
73708 ; 128675 ;
Abstract
The temperature coefficient of the combination of a transducer and any one of a plurality of disposable plastic domes manufactured to given specifications is reduced by making the temperature coefficient of the transducer have a slope that is equal and opposite to the slope of the temperature coefficient of the average dome.