Headphone, electronic device, cord winding device, and cord...

Details Headphone, electronic device, cord winding device, and cord... Headphone, electronic device, cord winding device, and cord...

2005-05-20

2009-10-06

Le, Huyen D (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

C381S370000

Reexamination Certificate

active

07599509

ABSTRACT:
An input cord used in a headphone apparatus and an electronic apparatus is wound around a winding device such as a reel, and assembly is facilitated without using jigs when a commutator mechanism relaying to a D/U on the other side through a passage cord is installed. A terminal board including metal slip rings is provided on the side of a lower flange of a reel in left and right headphone housings, and contact points are provided on the side of a housing at a position opposed to the terminal board.

REFERENCES:
patent: 5339461 (1994-08-01), Luplow
patent: 6480611 (2002-11-01), Hashimoto et al.
patent: 63-109525 (1988-07-01), None
patent: 6-81194 (1994-11-01), None
patent: 9-187092 (1997-07-01), None
patent: 2001-189983 (2001-07-01), None
patent: 2002-10385 (2002-01-01), None
patent: 2002-101484 (2002-04-01), None

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