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.

Date of Patent:
Oct. 30, 2012

Filed:

Aug. 27, 2009
Applicants:

Devon Fernandez, Londonderry, NH (US);

Glenn A. Forrest, Bow, NH (US);

Inventors:

Devon Fernandez, Londonderry, NH (US);

Glenn A. Forrest, Bow, NH (US);

Assignee:

Allegro Microsystems, Inc., Worcester, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 7/30 (2006.01); G01R 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A circuit to detect a movement of an object has a calibration time period that ends when peak detectors in the circuit stop updating for a predetermined amount of time. A method associated with the circuit is also described.


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