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:
Mar. 27, 2001
Filed:
Aug. 11, 1999
Applicant:
Inventor:
David Flugan, Solon, OH (US);
Assignee:
Transat Corporation, Solon, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 2/922 ; G01R 2/726 ; G01V 3/00 ;
U.S. Cl.
CPC ...
G01R 2/922 ; G01R 2/726 ; G01V 3/00 ;
Abstract
Method and apparatus are described for speeding parameter measurements of piezoelectric-resonators. A large driving voltage is applied to the resonator until the resonator current reaches its desired steady-state value. Then the driving voltage is reduced to a level which will maintain that desired current level. This procedure allows the resonator to reach its steady state conditions faster than if a constant drive voltage were used.