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:
Jan. 07, 2020
Filed:
May. 18, 2018
Applicant:
Lenovo (Singapore) Pte. Ltd., Singapore, SG;
Inventors:
Mitsuhiro Yamazaki, Kanagawa, JP;
Kazunori Yamamura, Kanagawa, JP;
Jake Laurence Pat Santiago, Kanagawa, JP;
Assignee:
LENOVO (SINGAPORE) PTE LTD, Singapore, SG;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/01 (2006.01); G06F 3/041 (2006.01); G06F 1/16 (2006.01);
U.S. Cl.
CPC ...
G06F 3/016 (2013.01); G06F 1/1626 (2013.01); G06F 1/1637 (2013.01); G06F 1/1643 (2013.01); G06F 1/1658 (2013.01); G06F 1/1684 (2013.01); G06F 3/041 (2013.01); G06F 3/0416 (2013.01);
Abstract
A haptic feedback system configured to apply an impact to an electronic device is provided. The haptic feedback system includes a haptic actuator that makes reciprocating motion, a drive circuit that applies to the haptic actuator a drive voltage composed of a predetermined number of basic pulse voltages for acceleration, and a controller that controls an average voltage of a subset of the basic pulse voltages.