Automobile speaker system
United States Patent 3106609
US Patent References:
Amplifying and reproducing system
- - 1760821
Sound-reproducing apparatus
- - 1780899
Connection device for loudspeakers
- - 2109602
Device for stereophonic sound transmission in two channels
- - 2481576
Auxiliary radio for automobiles and circuit therefor
- - 2521129
Amplifying and reproducing system
- - 1760821
Sound-reproducing apparatus
- - 1780899
Connection device for loudspeakers
- - 2109602
Device for stereophonic sound transmission in two channels
- - 2481576
Auxiliary radio for automobiles and circuit therefor
- - 2521129
Inventors:
Dusey, Alfred E.
Publication Date:
10/08/1963
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Assignee:
MOTOROLA INC
Primary Class:
Other Classes:
455/345, 330/198, 330/262, 381/120
International Classes:
H04R3/12
US Patent References: