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:
Nov. 02, 2018
Applicant:
General Electric Company, Schenectady, NY (US);
Inventor:
William Albert Challener, Glenville, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01P 15/08 (2006.01); G01P 15/093 (2006.01); G01H 9/00 (2006.01); G02B 26/02 (2006.01); B81B 7/02 (2006.01); G01P 15/097 (2006.01);
U.S. Cl.
CPC ...
G01P 15/093 (2013.01); B81B 7/02 (2013.01); G01H 9/00 (2013.01); G01P 15/0802 (2013.01); G01P 15/097 (2013.01); G02B 26/02 (2013.01); B81B 2201/0235 (2013.01); B81B 2203/0127 (2013.01); B81B 2203/04 (2013.01);
Abstract
An accelerometer includes a membrane; a laser source, the laser source producing a laser beam, the laser beam directed at the membrane causing the membrane to vibrate; a transparent cap, the transparent cap disposed between the laser source and the membrane; an antireflecting film disposed on an outer surface of the transparent cap; and a detector sensing a reflected portion of the laser beam, the reflected portion including a modulated intensity. An acceleration signal is based in part on the frequency of the modulated intensity of the reflected portion of the laser beam.