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:
Feb. 06, 2018
Filed:
Mar. 19, 2016
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Ryo Kuribayashi, Osaka, JP;
Kazutaka Kubo, Osaka, JP;
Yohei Jin, Mie, JP;
Hitoshi Sato, Mie, JP;
Hiroyuki Morimoto, Mie, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/02 (2006.01); H04R 1/20 (2006.01); H04R 7/14 (2006.01); F21V 7/04 (2006.01); F21V 7/22 (2006.01); F21V 33/00 (2006.01); H04R 7/12 (2006.01); H04R 9/02 (2006.01); F21Y 101/02 (2006.01); F21Y 105/00 (2016.01);
U.S. Cl.
CPC ...
H04R 7/14 (2013.01); F21V 7/048 (2013.01); F21V 7/22 (2013.01); F21V 33/0056 (2013.01); H04R 1/025 (2013.01); H04R 1/028 (2013.01); H04R 7/122 (2013.01); H04R 7/127 (2013.01); H04R 9/025 (2013.01); F21Y 2101/02 (2013.01); F21Y 2105/003 (2013.01); H04R 2201/028 (2013.01); H04R 2207/021 (2013.01); H04R 2307/025 (2013.01); H04R 2307/029 (2013.01); H04R 2499/11 (2013.01); H04R 2499/13 (2013.01);
Abstract
A loudspeaker includes a frame, a magnetic circuit provided with a magnetic gap, a cone-shaped diaphragm, a voice coil, and an LED. The magnetic circuit is connected to a lower part of the frame. The diaphragm is connected to an outer periphery of the frame. A first end of the voice coil is connected to the diaphragm, and a second end thereof is inserted into the magnetic gap. The LED is provide on an upper part of the frame, and outputs light toward the center of the diaphragm. The LED is disposed such that the diaphragm reflects the light.