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Audio output apparatus

專利號
US11159875B2
公開日期
2021-10-26
申請人
SONY CORPORATION（JP Tokyo）
發(fā)明人
Mayu Kosaka; Taku Yaegashi; Sai Karasawa
IPC分類
H04R1/10; H04R1/08
技術領域
body,ear,audio,rotating,fulcrum,base,output,in,apparatus,surface
地域： Tokyo

摘要

An audio output apparatus has a simplified structure and is stably fitted in an ear assuredly. The audio output apparatus includes: a speaker that outputs a sound; a base body that includes a facing surface and is at least partially inserted into an ear canal of an ear; a rotating body that includes a relative surface at least partially facing the facing surface and is rotatable relative to the base body; and a fulcrum shaft that is present at least at one of a position displaced from a middle portion of the facing surface or a position displaced from a middle portion of the relative surface, the fulcrum shaft serving as a fulcrum of rotation of the rotating body relative to the base body, in which, in a state where the base body is inserted into the ear canal, the rotating body rotated relative to the base body is allowed to be in contact with part of the ear.

說明書

CROSS REFERENCE TO RELATED APPLICATIONS

This application is a U.S. National Phase of International Patent Application No. PCT/JP2019/003157 filed on Jan. 30, 2019, which claims priority benefit of Japanese Patent Application No. JP 2018-058139 filed in the Japan Patent Office on Mar. 26, 2018. Each of the above-referenced applications is hereby incorporated herein by reference in its entirety.

TECHNICAL FIELD

The present technology relates to a technical field of an audio output apparatus equipped with a speaker that outputs sounds.

BACKGROUND ART

There is provided an audio output apparatus that is worn on the head and used as headphones or earphones to output sounds from a speaker. Such audio output apparatuses have been increasingly used in a mode of being used outdoors in addition to a mode of being used indoors. Inside the audio output apparatus, a speaker that outputs sounds, a control board that controls driving of devices such as the speaker, and the like are placed.

Some of such audio output apparatuses include a movable member rotatable relative to the housing in which a speaker and the like are placed (see Patent Document 1).

In the audio output apparatus described in Patent Document 1, the housing body and the front cap are coupled together to form a housing, and the movable member is rotatable relative to the housing while being supported in a position straddling the housing body and the front cap. The movable member is configured such that a protruding portion is disposed on the movable member and the protruding portion is insertable into the cavity of concha of the ear.

權利要求

1
The invention claimed is:1. An audio output apparatus comprising:a speaker that outputs a sound;a base body that includes a facing surface and is at least partially inserted into an ear canal of an ear;a rotating body that includes a relative surface at least partially facing the facing surface and is rotatable relative to the base body; anda fulcrum shaft that is present at least at one of a position displaced from a middle portion of the facing surface or a position displaced from a middle portion of the relative surface, the fulcrum shaft serving as a fulcrum of rotation of the rotating body relative to the base body, in whichin a state where the base body is inserted into the ear canal, the rotating body rotated relative to the base body is allowed to be in contact with part of the ear.2. The audio output apparatus according to claim 1, whereinthe rotating body rotated relative to the base body is at least partially inserted into a cavity of concha.3. The audio output apparatus according to claim 1, whereinthe rotating body rotated relative to the base body is at least partially brought into contact with an antihelix or an inferior crus of antihelix.4. The audio output apparatus according to claim 1, whereinthe base body includes an outer circumferential surface that is a surface of revolution formed by being rotated with respect to a central axis,the facing surface and the relative surface are inclined with respect to a plane orthogonal to the central axis, andan axial direction of the fulcrum shaft is along a direction orthogonal to the facing surface.5. The audio output apparatus according to claim 1, whereinthe facing surface and the relative surface are in surface contact with each other.6. The audio output apparatus according to claim 1, whereina microphone is placed inside the base body, anda sound input hole intended for inputting a sound to the microphone is formed in a portion in the base body, the portion facing the relative surface.7. The audio output apparatus according to claim 1, whereinthe rotating body includes a circumferential surface whose one end is continuous with an outer periphery of the relative surface, andthe circumferential surface is formed into a curved surface.8. The audio output apparatus according to claim 1, whereinthe base body is formed in a tapered shape whose outer circumference becomes smaller as the base body is farther away from the rotating body.9. The audio output apparatus according to claim 8, whereinthe base body is formed in a substantially conical shape.10. The audio output apparatus according to claim 8, whereinan outer surface of a tip side portion of the base body is formed in a curved shape convex toward the tip side.11. The audio output apparatus according to claim 1, whereinthe base body includes an enclosure and an earpiece, the enclosure including a placement space that is formed inside the enclosure, the earpiece being in close contact with at least part of an outer surface of the enclosure, andthe earpiece includes an elastically deformable material.12. The audio output apparatus according to claim 11, whereinthe earpiece includes a tip portion and an outer circumferential portion, the tip portion including a sound output hole that is formed in the earpiece, the outer circumferential portion being continuous with the tip portion and being formed to be tubular, anda thickness of the tip portion is greater than the thickness of the outer circumferential portion.13. The audio output apparatus according to claim 1, whereinthe rotating body is rotatable relative to the base body in opposite directions.14. The audio output apparatus according to claim 1, whereina battery being substantially cylindrical and a control board to which power is supplied from the battery are placed inside the rotating body, andan axial direction of the battery and an orientation of the control board coincide with a direction along which the base body and the rotating body are arranged.15. The audio output apparatus according to claim 14, whereinthe battery and the control board are positioned to face each other.16. The audio output apparatus according to claim 1, whereinan antenna that transmits and receives a signal is disposed.17. The audio output apparatus according to claim 1, whereina connection line that is partially positioned inside the base body and partially positioned inside the rotating body and is configured to supply at least power is disposed,the fulcrum shaft is formed to be tubular, andthe connection line is partially inserted through the fulcrum shaft.18. The audio output apparatus according to claim 1, whereina length of the fulcrum shaft along an axial direction is variable.
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