High fidelity stereophonic reproduction system

Details High fidelity stereophonic reproduction system High fidelity stereophonic reproduction system

1992-04-16

1993-04-06

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Hearing aid

379438, H04R 502

Patent

active

052010031

ABSTRACT:
A personal stereo sound system device, of no larger than hand size for carrying and using on the person of at least one individual listener, has a miniaturized playback program source with control of program selection, a stereo amplifier, a volume adjuster, a power source, a multi-conductor lead for electrically connecting the amplifier to miniaturized lightweight stereo headphones or earphones, and a lead-reeling device capable of receiving and of dispensing a desired length of the lead to permit the phones to be used at a variable distance from the amplifier.

REFERENCES:
patent: 4412106 (1983-10-01), Pavel
patent: 4764962 (1988-08-01), Ekman et al.
Radio Shack Catalog, 1986 (.COPYRGT.1985), p. 109.

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