Headphone jack extended outlet

Electrical audio signal processing systems and devices – Headphone circuits

Patent

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Details

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.

REFERENCES:
patent: 3541915 (1970-11-01), Rhodes
patent: 3586977 (1971-06-01), Lustig et al.
patent: 4097111 (1978-06-01), Martin
patent: 4324951 (1982-04-01), Brown
patent: 4412106 (1983-10-01), Pavel
patent: 4829571 (1989-05-01), Kakiuchi et al.
patent: 4944016 (1990-07-01), Christian
patent: 5201003 (1993-04-01), Pavel
"Radio Shack" (Catalog), 1988, pp. 44-45.

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