IP Library Granted Patent US 7,184,565
Granted Patent B2
US 7,184,565 · App. 10/528,696 · Granted Feb 27, 2007

Headphone

Assignee: Sony Corporation
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Quick Facts
Patent No.
US 7,184,565
App. No.
10/528,696
Granted
Feb 27, 2007
Kind
B2
Abstract

In order to provide headphones with a cord-winding mechanism capable of favorably retracting and winding a cord, a cord-winding mechanism is incorporated in either or both of the casings of housings 1L and 1R constituting headphones; and a lock is released by joining the left and right casings together, so that the cord is retracted and wound.

Claims (14)

1. Headphones comprising:

first and second housings each of which incorporates a loudspeaker unit, having ribs capable of joining each other;

a plug-attached cord, one end of which is connected to the inside of said first housing, and the other end of which is provided with a plug;

inside said first housing, plug-attached cord winding means to retract and wind said cord by means of the resilience of a spring and locking means to control the retracting and winding by said plug-attached cord winding means; and

release means to release the control over the retracting and winding of the plug-attached cord by said locking means, when the second housing is joined to the first housing by means of said ribs.

2. Headphones according to claim 1 , further comprising:

a connecting cord which connects said first and second housings;

inside said first or second housing, connecting cord winding means to retract and wind said connecting cord by means of the resilience of a spring and locking means to control the retracting and winding by said connecting cord winding means; and

release means to release the control over the retracting and winding of the connecting cord by said locking means, when the second housing is joined to the first housing by means of said ribs.

3. Headphones according to claim 2 , wherein

said first and second housings have hangers to be worn on the auricles.

4. Headphones according to claim 1 , further comprising:

a headband connecting said first and second housings, wherein

said first and second housings, which are connected using said headband, can be combined by said ribs.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 11, 2005
From: OHTA, TAKASHI
To: SONY CORPORATION
Reel/Frame 016452/0009 →
Priority Claims (1)
JP 2003-293078 · Aug 13, 2003 · national
Continuity (1)
Related Publication 20060013429A1 · Jan 19, 2006