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. 09, 2021
Filed:
Aug. 19, 2019
Applicants:
David Woolsey, Berkeley, CA (US);
Gabriel A. Matus, Morgan Hill, CA (US);
Inventors:
David Woolsey, Berkeley, CA (US);
Gabriel A. Matus, Morgan Hill, CA (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
H03H 3/04 (2006.01); H03H 9/25 (2006.01); H03H 9/17 (2006.01);
U.S. Cl.
CPC ...
H03H 3/04 (2013.01); H03H 9/172 (2013.01); H03H 9/25 (2013.01);
Abstract
A resonator comprising a piezoelectric film which creates an acoustic path that is slightly longer in a central region of the resonator than at an edge of the resonator.