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. 28, 2009
Filed:
Jul. 13, 2000
Applicants:
Stuart J. Knowles, Walnut Creek, CA (US);
Robert H. Moore, Antioch, CA (US);
Inventors:
Stuart J. Knowles, Walnut Creek, CA (US);
Robert H. Moore, Antioch, CA (US);
Assignee:
Custom Sensors & Technologies, Inc., Moorpark, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Tuning fork and method in which a pair of elongated tines having front and rear surfaces are disposed symmetrically about an axis, and balancing masses on the front surface of one tine and on the rear surface of the other tine are trimmed to reduce quadrature error and also to maintain mass balance between the tines.