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:
Nov. 07, 2017
Filed:
Nov. 25, 2015
Applicant:
Idhl Holdings, Inc., Wilmington, DE (US);
Inventors:
Matthew G. Liberty, Gaithersburg, MD (US);
Bryan A. Cook, Silver Spring, MD (US);
Assignee:
IDHL Holdings, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/01 (2006.01); G06F 3/0346 (2013.01); G06F 3/038 (2013.01); G08C 17/02 (2006.01); G08C 23/04 (2006.01); G06F 17/16 (2006.01); H04N 5/44 (2011.01);
U.S. Cl.
CPC ...
G06F 3/0346 (2013.01); G06F 3/017 (2013.01); G06F 3/0383 (2013.01); G06F 17/16 (2013.01); G08C 17/02 (2013.01); G08C 23/04 (2013.01); H04N 5/4403 (2013.01); G06F 2203/0384 (2013.01); G08C 2201/32 (2013.01); H04N 2005/4428 (2013.01);
Abstract
A forward pointing direction associated with a handheld device is estimated or determined by, for example, calculating a center of rotation of the device. A resultant combined or selected bias estimate may then be used to compensate the biased output of the sensor in, e.g., a 3D pointing device.