Device for receiving earphone/microphone wire of holdfree hand s

Details Device for receiving earphone/microphone wire of holdfree hand s Device for receiving earphone/microphone wire of holdfree hand s

1996-11-26

1997-11-04

Tran, Sinh

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

381183, 439501, H04R 2500

Patent

active

056848838

ABSTRACT:
A device for receiving earphone/microphone wire of holdfree hand set, including a housing, a winding set and an earphone/microphone wire. The winding set is received in the housing. The winding set includes a lower reel and an upper reel for winding the earphone/microphone wire thereon without tangling or missing.

REFERENCES:
patent: 4942617 (1990-07-01), Boylan
patent: 5339461 (1994-08-01), Loplow
patent: 5422957 (1995-06-01), Cummins
patent: 5511120 (1996-04-01), Hirath et al.
patent: 5581821 (1996-12-01), Nakano

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