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:
Dec. 21, 1999
Filed:
Sep. 12, 1997
Applicant:
Inventors:
Holger Scherr, Munich, DE;
Gerd Scholl, Munich, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
73703 ;
Abstract
A pressure sensor with a reflective acoustic surface wave (SAW) delay line fashioned on a pressure-sensing membrane having at least three reflectors wherein the delay line extends over both an expanding region and a compressing region of the pressure-sensing membrane.