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:
Jul. 11, 2017
Filed:
Mar. 15, 2013
Silicon Audio Seismic, Llc, Austin, TX (US);
Bradley Dean Avenson, Pflugerville, TX (US);
Matthew Raymon Christensen, Austin, TX (US);
Caesar Theodore Garcia, Austin, TX (US);
Neal Allen Hall, Austin, TX (US);
Abiden Guclu Onaran, Austin, TX (US);
James Coe Schlicher, Los Ranchos, NM (US);
Ahmad Zaatari, Austin, TX (US);
Bradley Dean Avenson, Pflugerville, TX (US);
Matthew Raymon Christensen, Austin, TX (US);
Caesar Theodore Garcia, Austin, TX (US);
Neal Allen Hall, Austin, TX (US);
Abidin Guclu Onaran, Austin, TX (US);
James Coe Schlicher, Los Ranchos, NM (US);
Ahmad Zaatari, Austin, TX (US);
SILICON AUDIO SEISMIC, LLC, Austin, TX (US);
Abstract
In one aspect, an apparatus is disclosed comprising: a housing; a proof mass movable within the housing; an optical element mounted on one of the housing and the proof mass; a reflective element on the other one of the housing and the proof mass; a light source configured to illuminate grating and minor; and one or more detectors configured to detect light incident from the reflective element and the diffractive element and generate a signal indicative of the relative displacement of proof mass and the housing.