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. 13, 2018
Filed:
Feb. 06, 2014
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Victor Lee, Sunnyvale, CA (US);
Bowon Lee, Mountain View, CA (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03G 5/00 (2006.01); H04R 3/04 (2006.01); H04R 1/24 (2006.01); H04R 7/04 (2006.01);
U.S. Cl.
CPC ...
H04R 3/04 (2013.01); H04R 1/24 (2013.01); H04R 7/04 (2013.01);
Abstract
An example provides an apparatus to receive an audio input signal, generate, from the audio input signal, a filtered audio input signal to suppress at least one modal frequency of a flat loudspeaker diaphragm, and output the filtered audio input signal to at least one actuator to cause a vibration of the flat loudspeaker diaphragm.