IP Library Granted Patent US 9,398,363
Granted Patent B2
US 9,398,363 · App. 14/367,560 · Granted Jul 19, 2016

Neckband-type earphone

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Quick Facts
Patent No.
US 9,398,363
App. No.
14/367,560
Granted
Jul 19, 2016
Kind
B2
Abstract

[Problem] The purpose of the present invention is to provide a neckband-type earphone that can be worn for a long time without subjecting the wearer to discomfort of wearing a neckband-type earphone, and in which the extent of hazard to the wearer when worn is lowered and locations that break are reduced. [Solution] A neckband-type earphone provided with: earphone parts which are inserted into the pinnae of the wearer and which output an audio signal; ear holder parts which connect to the earphone parts and which abut the upper side of the pinnae of the wearer; holder bodies provided with the ear holder parts; earphone drivers provided with the holder bodies; and a neck band connecting the two earphone drivers; the holder bodies being provided with a cushion part at a portion that comes into contact with the head of the wearer in the vicinity of the pinnae.

Claims (20)

1. A neckband-type earphone for outputting an audio signal, comprising:

a neckband section formed of an elastic body into a curved shape;

a driver unit fixed to a housing, the driver unit comprising a diaphragm for emitting the audio signal as sound;

a head holding section connected to the neckband section, for outputting the audio signal to the driver unit, further comprising:

a chassis portion;

a cover portion attaching to and covering a first side of the chassis portion;

a contact portion attached to a second side of the chassis portion;

a substrate disposed within the chassis portion;

a switch affixed to the substrate; and

an operating section on the cover portion comprising a shaft connected through a hole in the cover portion to the switch; and

an arm section formed of a curved elastic body, for connecting the head holding section and the housing together,

wherein the contacting portion comprises a plurality of dimple portions for forming recesses in a side surface of the head holding section.

2. A neckband-type earphone according to claim 1 , wherein each of the plurality of dimple portions is formed of an elastic body.

3. A neckband-type earphone according to claim 1 , wherein the head holding section comprises:

an audio signal receiving unit for receiving the audio signal; and

an audio signal outputting unit for outputting, to the driver unit, the audio signal received by the audio signal receiving unit.

4. A neckband type earphone according to claim 1 , wherein the chassis portion further comprises an audio signal receiving unit.

5. A neckband-type earphone according to claim 1 , wherein the chassis portion further comprises a control unit.

6. A neckband-type earphone according to claim 1 , wherein the chassis portion further comprises an audio signal outputting unit.

7. A. neckband-type earphone according to claim 1 , wherein the chassis portion further comprises a battery.

Assignments (5)
RELEASE OF SECURITY INTEREST IN INTELLECTUAL PROPERTY Recorded Feb 14, 2022
From: CERBERUS BUSINESS FINANCE, LLC, AS AGENT
To: POLK AUDIO, LLC; DIRECTED, LLC; DEFINITIVE TECHNOLOGY, LLC; BOSTON ACOUSTICS, INC.; D&M EUROPE B.V.; B & W GROUP LTD; SOUND UNITED, LLC; B & W LOUDSPEAKERS LTD; D&M HOLDINGS INC.
Reel/Frame 059127/0278 →
NOTICE OF SECURITY INTEREST - - PATENTS Recorded Dec 30, 2020
From: D&M HOLDINGS INC.
To: CERBERUS BUSINESS FINANCE, LLC, AS COLLATERAL AGENT
Reel/Frame 054874/0184 →
RELEASE OF SECURITY INTEREST IN PATENTS Recorded Dec 28, 2020
From: SOUND UNITED, LLC
To: D&M HOLDINGS INC
Reel/Frame 054858/0361 →
GRANT OF SECURITY INTEREST Recorded May 30, 2017
From: D&M HOLDINGS INC.
To: SOUND UNITED, LLC
Reel/Frame 042622/0011 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 9, 2014
From: TAKENO, KATSUYOSHI; FUKUSHIMA, YOSHINARI
To: D&M HOLDINGS, INC.
Reel/Frame 033269/0446 →