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:
Jun. 16, 2015
Filed:
Aug. 16, 2011
Applicants:
Nobukazu Suzuki, Kanagawa, JP;
Masaru Uryu, Chiba, JP;
Yoshio Ohashi, Kanagawa, JP;
Inventors:
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/00 (2006.01); H04R 1/24 (2006.01);
U.S. Cl.
CPC ...
H04R 1/24 (2013.01); H04R 2440/07 (2013.01);
Abstract
A speaker has an acoustic diaphragm, and an actuator that is driven based on a first acoustic signal. The actuator has a transmission portion that is directly or indirectly attached to the acoustic diaphragm and transmits a displacement output of the actuator to the acoustic diaphragm. The speaker also has a sounding body that is driven based on a second acoustic signal that is identical to or different from the first acoustic signal.