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:
Aug. 28, 1990
Filed:
Mar. 31, 1988
Applicant:
Inventors:
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
381 86 ; 381 90 ; 381205 ; 340461 ; 340326 ; 307 108 ;
Abstract
A mobile speaker system including a speaker unit mounted in a speaker box, a plurality of light sources provided inside the speaker box for irradiating the illumination panel, and a switching circuit for controlling the light sources. The light sources emit light of a plurality of colors and are controlled by the switching circuit so as to be selectively turned on to irradiate the illumination panel.