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:
Dec. 03, 2019
Filed:
Apr. 17, 2018
Applicants:
California Institute of Technology, Pasadena, CA (US);
Facebook, Inc., Menlo Park, CA (US);
Inventors:
Osama R. Bilal, Pasadena, CA (US);
Vincenzo Costanza, Pasadena, CA (US);
Chiara Daraio, South Pasadena, CA (US);
Frances Lau, Menlo Park, CA (US);
Ali Israr, Menlo Park, CA (US);
Assignees:
CALIFORNIA INSTITUTE OF TECHNOLOGY, Pasadena, CA (US);
FACEBOOK, INC., Menlo Park, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 6/00 (2006.01); F03G 7/06 (2006.01); H02N 11/00 (2006.01);
U.S. Cl.
CPC ...
G08B 6/00 (2013.01); F03G 7/065 (2013.01); H02N 11/002 (2013.01);
Abstract
A haptic device can be realized with a single acoustic actuator controlling multiple unit cells by having the unit cells be composed of cantilever arms with different resonant frequencies. The unit cells can be further improved by having the cantilever arms be in a spiral shape, and more specifically an Archimedes spiral shape.