Earpiece having detachable battery device

Details Earpiece having detachable battery device Earpiece having detachable battery device

2005-01-04

2005-01-04

Le, Huyen D. (Department: 2643)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

C381S374000, C381S381000, C381S384000

Reexamination Certificate

active

06839448

ABSTRACT:
An earpiece includes a housing, an arm having one or more projections extended from one end and rotatably engaged into the housing, and an arc having one end rotatably secured to the arm and rotatable relative to the arm. The arc includes a chamber, a casing is received in the chamber of the arc, and has a space to receive one or more batteries. A cap is engaged onto the casing, to retain the battery in the casing. The casing includes a latch detachably secured to the arc, to detachably secure the casing and the battery and the cap to the arc.

REFERENCES:
patent: 4893344 (1990-01-01), Tragardh et al.
patent: 5655026 (1997-08-01), Peters et al.
patent: 5761298 (1998-06-01), Davis et al.
patent: 5960094 (1999-09-01), Jensen et al.

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