Earphone set

Details Earphone set Earphone set

2011-08-16

2011-08-16

Ni, Suhan (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

C381S370000

Reexamination Certificate

active

08000492

ABSTRACT:
An earphone set includes an earphone and a hanger. The earphone includes a shell and a shaft extending from the shaft. The hanger includes a bushing, a connector and a hook. The bushing is mounted on the shaft. The connector includes an annular portion mounted on the bushing. The bushing cannot be rotated in the annular portion just because of a torque derived from the weight of the earphone. However, when additionally subjected to a proper torque, the bushing can be rotated in the annular portion. The hook is rotationally connected to the connector.

REFERENCES:
patent: 3735021 (1973-05-01), Bonis et al.
patent: 6047076 (2000-04-01), Yang
patent: 6233344 (2001-05-01), Clegg et al.
patent: 7082207 (2006-07-01), Rapps
patent: 7231056 (2007-06-01), Chen

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