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. 20, 2012
Filed:
Feb. 12, 2010
Applicants:
Yang Zhao, Andover, MA (US);
Pan Guozhi, Shenzhen, CN;
Yu Jianping, Shanghai, CN;
Haidong Liu, Jiangsu, CN;
Inventors:
Yang Zhao, Andover, MA (US);
Pan Guozhi, Shenzhen, CN;
Yu Jianping, Shanghai, CN;
Haidong Liu, Jiangsu, CN;
Assignee:
Memsic, Inc., Andover, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The use of magnetic field sensing to perform sophisticated command control and data input into a portable device is disclosed. A magnetic field sensor is embedded or fixedly attached to a portable device to measure changes in the magnetic field strength and/or direction accompanying movement, motion or tilt of the device in one-, two- or three-dimensions when the portable device is used to air-write or make gestures.