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:
May. 26, 1992
Filed:
Sep. 07, 1990
Applicant:
Inventors:
Hideaki Morikawa, Tokorozawa, JP;
Yasuo Gan, Tokorozawa, JP;
Koushiro Kogure, Tokorozawa, JP;
Takashi Ooyaba, Tokorozawa, JP;
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K / ; G10K / ;
U.S. Cl.
CPC ...
181152 ; 181184 ;
Abstract
A horn shaped baffle is provided in the front of a loudspeaker. Escape holes are formed in the horn shaped baffle so as to emit sound waves deviated from the axis of the loudspeaker. A sound absorptive panel is provided on the outside of the baffle so as to cover the holes.