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Earphone

A headphone and space technology, applied in the direction of handset/headphone accessories, etc., can solve the problems of not being able to enter users, and not being able to realize passive radiation speakers

Inactive Publication Date: 2011-09-21
AUDIO-TECHNICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But in the headset, even if the setting Figure 5 With the pseudo-diaphragm shown, the sound waves from the pseudo-diaphragm cannot enter the user's ears, and the effect like a passive radiating speaker cannot be achieved.

Method used

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Experimental program
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Embodiment Construction

[0036] Next, embodiments of the earphone of the present invention will be described with reference to the drawings.

[0037] figure 1 In the earphone 1, the main components include a housing 2, a frame 4, a sound emitting tube 3 communicating with the housing 2, and earplugs 5. figure 1 In , the symbol 6 represents the lead-out part of the lead wire 7.

[0038] Such as figure 2 As shown, the housing 2 is a wooden bowl-shaped member in which an inner space is formed by fitting opposite sides of peripheral wall portions 2A, 2B formed in parallel to each other, and the driver unit 8 is accommodated in the inner space.

[0039] The sound emitting tube 3 protrudes from the housing 2 toward the user's external auditory canal (not shown). Such as figure 2 As shown, near the front end of the sound emitting tube 3, a plurality of annular protrusions 3A are formed at predetermined distances in the protruding direction.

[0040] The earplug 5 is composed of a cylindrical member ...

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PUM

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Abstract

An earphone of the invention is provided with the following components: a housing for accommodating a driver unit, and a frame part which is provided with a chamber part that is communicated with a back space of the driver unit in the housing. The frame part is provided with the following spaces: a first space which is communicated with the back space of the driver unit through a separation part, and a second space which is provided with an audio playing part that is communicated with outside. The first space and the second space are communicated through a guide pipe part. The guide pipe part is provided at the separation part and projects into a space which is communicated with the back space of the driver unit. The guide pipe projects into the first space in a direction which is orthogonal with a sound playing direction from the back space of the driver unit, wherein the front end of the guide pipe projects from a position which passes through a communication part between the housing and the first space.

Description

technical field [0001] The invention relates to an earphone used as an audio device, in particular to a structure for improving the acoustic characteristics of an ear canal earphone. Background technique [0002] Conventionally, in earphones used as audio equipment, as a method of improving the acoustic characteristics, especially as a method of preventing the vibration from being affected by the back pressure generated when the vibrating membrane on the driver unit side vibrates, the headphone case has been described. A hole is provided on one part, and an acoustic resistance material is arranged on the hole to adjust the acoustic characteristics. image 3 A general structure of a conventional earphone is shown. [0003] image 3 Among them, the housing 102 is formed in a wooden bowl shape, and the inside of the housing 102 is provided with a driver unit 103, and the front ( image 3 The left side in the center) is formed with an opening 110 for sound playback. The driver ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R1/10
Inventor 小泽博道
Owner AUDIO-TECHNICA
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