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. 09, 2019
Filed:
Nov. 16, 2017
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Arman Hajati, San Mateo, CA (US);
Kayo Yanagisawa, Mountain View, CA (US);
Assignee:
APPLE INC., Cupertino, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 7/16 (2006.01); H02N 2/02 (2006.01); H01F 41/064 (2016.01); G06F 3/01 (2006.01);
U.S. Cl.
CPC ...
G06F 3/016 (2013.01); H01F 7/1638 (2013.01); H01F 7/1653 (2013.01); H01F 41/064 (2016.01); H02N 2/028 (2013.01);
Abstract
A haptic actuator may include a housing, coils carried within the housing, and a field member moveable within the housing between the coils and including at least one permanent magnet. A controller may be coupled to the coils and configured to sense a respective back electromotive force (EMF) value of each of the coils and determine a position of the field member in dimensions based upon the back EMF values and motor constant values.
Hajati, Arman. (2019). Haptic actuator including field member multi-dimensional position determined based upon coil back electromotive force and motor constant values and related methods (U.S. Patent No. 10345907). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10345907
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile