Headphone

Details Headphone Headphone

1995-12-01

1997-04-08

Tran, Sinh

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

381187, H04R 2500

Patent

active

056195842

ABSTRACT:
A headphone having ear pieces joined by a head band with an electrical cable interconnecting the ear pieces, including a first plurality of outward opening grooves in the head band and a second plurality of inward opening grooves in the head band, with the first and second grooves alternately positioned along the head band defining a path for the electrical cable between the ear pieces. Preferably the grooves are formed integrally with the head band, with the portions of the head band forming the grooves projecting from the head band with the grooves in alignment with each other. The headphone may also include a comfort sling underlying the head band and connected at each end to the head band.

REFERENCES:
patent: 4490593 (1985-02-01), Antle
Califone international, Inc. Info. Sht., 292AV Dynamic Headphone, 1992, 2pp. mpc-pm & e Educational Systems, Inc. Info. Sht., MPC-2900 Series Dynamic Headphones, 1 pg.
mpc-pm & e Educational Systems, Inc. Info. Sht., Durable Headphones Designed for Institutional Use, 1994, 1 pg.
Califone International, Inc. Info. Sht., Listening Center Components, 1990, 1 pg.
Califone International, Inc. Info. Sht., 2924AV Headphone, 1991, 1 pg.
mpc-pm & e Educational Systems, Inc. Info. Sht., MPC-2900 Series Dynamic Headphones, ("NEW"), 1 pg.
mpc-pm & e Educational Systems, Inc. Info. Sht., . . . And student Record, 1 pg.
mpc-pm & e Educational Systems, Inc., Info. Sht., Durable-Dynamic Headphones Designed for Institutional Use, 1991, 1 pg.
mpc-pm & e Educational Systems,, Inc. Info. Sht., MPC Listening Centers with MPC-MX300 (H/99) Dynamic Headphones.
mpc-pm & e Educational Systems, Inc. Info. Sht., New MPC-2900 Series Listening Centers.
mpc-pm & e Educational Systems, Inc. Info. Sht., MPC-PM&E Listening Centers with H/88 Deluxe Headphones.
mpc-pm & e Educational Systems, Inc. Info. Sht., MPC Listening Centers With . . . Headphones.
Catalog entitled Headphones & Headsets, pp. 395-402.
Yamaaha YH-1/2/3, "Now Lower Distortion and Wider Frequency Response With Yamaha's Exclusive Orthodynamic Headphone Design" Apr. 1983.

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