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. 22, 2020
Filed:
Aug. 08, 2017
Texas Instruments Incorporated, Dallas, TX (US);
Wei-Yan Shih, Plano, TX (US);
Sudhanshu Khanna, Plano, TX (US);
Michael Zwerg, Dallas, TX (US);
Juergen Luebbe, Fairview, TX (US);
Gregory Allen North, Austin, TX (US);
Steven C. Bartling, Dallas, TX (US);
Leah Trautmann, Longmont, CO (US);
Scott Robert Summerfelt, Garland, TX (US);
TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US);
Abstract
A piezoelectric sensor with: (i) a capacitive element, comprising piezoelectric material; (ii) a pre-conditioning circuit, comprising circuitry for establishing a polarization of the capacitive element in a polarizing mode; and (iii) signal amplification circuitry for providing a piezoelectric-responsive output signal, in response to charge across the capacitive element in a sensing mode.