Dual function portable stereo system

Details Dual function portable stereo system Dual function portable stereo system

1996-04-05

1999-07-13

Kuntz, Curtis

Electrical audio signal processing systems and devices

Vehicle

455345, H04B 100

Patent

active

059237651

ABSTRACT:
A dual function portable stereo unit including a portable playback mechanism adapted to generate an unamplified audio signal upon the actuation thereof. The playback mechanism comprising a standard output jack for communicating the audio signal therefrom whereby the playback mechanism may be employed portably with a set of standard headphones in a first mode of operation. An amplifier and associated speakers are adapted to allow the amplification of the unamplified audio signal and further transmit the amplified audio signal via free space. A control unit is situated within a glove box of a vehicle and electrically connected to the inputs of the amplifier for manipulating the unamplified audio signal and further allowing the selective transmission thereof to the amplifier. The control unit further includes an input jack adapted to receive the unamplified audio signal and allow the employment of the playback mechanism within the car as a car stereo in a second mode of operation. Finally, a control unit is adapted to releasably couple between the input jack of the control unit and output jack of the playback mechanism for allowing the transmission of the unamplified audio signal from the playback mechanism to the control unit.

REFERENCES:
patent: 4602358 (1986-07-01), Sato
patent: 4734897 (1988-03-01), Schotz
patent: 4807292 (1989-02-01), Sorscher
patent: 5161131 (1992-11-01), Borchardt
patent: 5263199 (1993-11-01), Barnes et al.
patent: 5285500 (1994-02-01), Mantz
patent: 5339362 (1994-08-01), Harris
patent: 5341434 (1994-08-01), Kawamoto
patent: 5546273 (1996-08-01), Harris

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