Electrical audio signal processing systems and devices – Headphone circuits
Patent
1995-06-07
1998-09-22
Kuntz, Curtis A.
Electrical audio signal processing systems and devices
Headphone circuits
381183, 381 25, 439638, 439650, H04R 110
Patent
active
058126830
ABSTRACT:
A headphone jack extended outlet which amplifies and splits the output signal from a single conventional headphone jack to power multiple headphone jacks. The extended outlet includes a conventional headphone plug that inserts directly into the headphone jack of a sound system and includes multiple headphone jacks for powering multiple headsets. The extended outlet further includes circuitry which amplifies the output signal received from the sound system to a level sufficient to power multiple headsets.
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patent: 4829571 (1989-05-01), Kakiuchi et al.
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patent: 5201003 (1993-04-01), Pavel
"Radio Shack" (Catalog), 1988, pp. 44-45.
Nook Thomas J.
Parker Thomas F.
Kuntz Curtis A.
Mei Xu
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