JP4904976B2 - Headphone and head mounted display - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a headphone and a head mounted display to make it difficult that an operation sound of an operating equipment mounted to a headphone housing becomes noise of a sound output. <P>SOLUTION: The headphone 1 is comprised of the headphone housing 2 and a headphone case 3 as main parts, and both the housing and the case are rotatably joined together by a joint 4 having a spherical washer. A switch 5 of an operation member is attached to the headphone housing 2 as shown in the figure, a sound absorbing material 6 consisting of a rubber intervenes between the switch 5 and the headphone housing 2, and the operation sound (vibration) of the switch 5 is hard to travel to the headphone housing 2. The operation sound of the switch 5 can hardly become noise thereby. <P>COPYRIGHT: (C)2008,JPO&amp;INPIT

Description

  The present invention relates to a headphone and a head mounted display.

  In recent years, various types of eyeglass-type image display devices have been proposed for observing an image displayed on a display such as a liquid crystal panel (LCD) as an enlarged virtual image through an optical system having an eyepiece, a half mirror, and the like. It is called a display. An example of such a head mounted display is described in, for example, WO 2004/061519 A1 (Patent Document 1).

  In many cases, the video display device is configured to be worn on the face in a form wound around the head, and corresponds to one eye of the binocular type in which a video display system is formed at a position corresponding to both eyes and one of the left and right eyes. There is a one-eye type in which an image display system is formed at a position. Such a head-mounted display usually has a display unit for displaying video and a headphone for outputting sound.

  An outline of such a head mounted display is shown in FIG. In the head mounted display 31, two headphone housings 32 are connected by an overhead band 33. Each headphone housing 32 is attached with a headphone case 34 for housing the sound generating unit by a joint. The overhead band 33 has elasticity, and when the head mounted display 31 is mounted, the headphone housing 32 is positioned at both ear positions, and the headband (ear part) of the human head is made into a headphone by the elasticity of the overhead band 33. The case 34 is sandwiched and fixed. At the time of wearing, as shown in FIG. 4, the overhead band 33 is worn at a position that faces the top of the head.

  A support arm 35 is attached to one headphone housing 32 so as to be rotatable, and a display unit 36 that displays an image on the user's eyes is attached to the tip of the support arm 35. At the time of use, the support arm 35 is rotated so that the display unit 36 is positioned in front of the user's eyes as indicated by a broken line, and an image is displayed. The other headphone housing is provided with a switch 37 as an operation device, and is further connected to an external device by a cable 38.

  In addition to such a head-mounted display headphone, other sound device headphones may have an operating device attached to the headphone housing. Such an example is shown in FIG. 5, the same components as those shown in FIG. 4 are denoted by the same reference numerals, and the description thereof is omitted. The switch 37 which is an operation device is attached to the electric board 39, and the electric board 39 is attached to the headphone housing 32.

A headphone case 41 is attached to the headphone housing 32 via a joint 40, and a driver 42, which is a sound generator, is attached to the headphone case 41. In addition, a head pad 43 for ear pads is attached to the headphone case 41. Wiring 44 is made from the electric board 39 to the driver 42, the cable 38, and the other headphone housing 32.
WO2004 / 061519A1 publication

  In such a configuration, when operating the operating device, the operation sound may be transmitted from the headphone housing to the headphone (headphone case), resulting in sound output noise. Such noise is particularly problematic when listening to music.

  The present invention has been made in view of such circumstances, and it is an object of the present invention to provide a headphone and a head-mounted display in which the operation sound of an operation device attached to the headphone housing is less likely to cause noise in audio output. To do.

A first reference form of the present invention is a headphone in which an operating device is directly or indirectly attached to a headphone housing, and a sound absorbing material is provided between the mounting portion of the operating device and a sound generating unit. Is a headphone characterized in that

The second reference form of the present invention is the first reference form , characterized in that a sound absorbing material is disposed between the operating device and the headphone housing to which it is attached. It is.

The first means for solving the above problem is a headphone in which an operating device is directly or indirectly attached to a headphone housing, and between the mounting portion of the operating device and a sound generating unit, A sound absorbing material is disposed, the operating device is attached to a substrate, the substrate is attached to the headphone housing, and the sound absorbing material is disposed between the substrate and the headphone housing. .

A third reference form for solving the above-described problem is the first reference form , wherein the headphone housing and a headphone case that houses the sound generating unit are coupled by a joint. It is formed of a sound absorbing material.

Second means for solving the above problems, and characterized in that it has a headphone of the first hand stage, connected to said headphone, and a display unit for displaying an image on the eye of the user Is a head mounted display

  According to the present invention, it is possible to provide a headphone and a head-mounted display in which the operation sound of the operation device attached to the headphone housing is less likely to cause sound output noise.

  Hereinafter, an example of an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a cross-sectional view showing an outline of a headphone according to a first embodiment of the present invention.

  The headphone 1 includes a headphone housing 2 and a headphone case 3 as main parts, and both are rotatably connected by a joint 4 having a spherical seat. As shown in the figure, the headphone housing 2 is provided with a switch 5 as an operating member. Between the switch 5 and the headphone housing 2, a sound absorbing material 6 made of rubber is interposed. The operation sound (vibration) of the switch 5 is not easily transmitted to the headphone housing 2.

  As shown in FIG. 4, the headphone housing 2 is coupled to another headphone housing 2 via an overhead band 7 and connected to an external device by a cable 8. In addition, the headphone case 3 is provided with a driver 9 which is a sound generating unit and a head pad 10 for ear pads. An electric board 11 is attached in the headphone housing 2, and wiring 12 is made from the electric board 11 to the driver 9, the cable 8, and the overhead band 7.

  In this embodiment, as described above, the operation sound (vibration) of the switch 5 is difficult to be transmitted to the headphone housing 2 because of the sound absorbing material 6, so that the operation sound of the switch 5 may become noise. The nature is small.

  FIG. 2 is a cross-sectional view showing an outline of a headphone according to a second embodiment of the present invention. In the following drawings, the same reference numerals are given to the same components as those shown in the previous drawings in this section, and the description thereof will be omitted, and only the parts different from the previous drawings will be described.

  In this embodiment, the switch 5 as an operation member is attached to the electric board 11, and the electric board 11 is screwed to the headphone housing 2. A sound absorbing material 6 is interposed between the electric board 11 and the headphone housing 2 and between the electric board 11 and the screw, so that the operation sound (vibration) of the switch 5 is not easily transmitted to the headphone housing 2. ing. Therefore, there is little possibility that the operation sound of the switch 5 becomes noise.

  FIG. 3 is a sectional view showing an outline of a headphone according to a third embodiment of the present invention. In this embodiment, the switch 5 is attached to the electric board 11, and the electric board 11 is screwed to the headphone housing 2. A joint 4 that joins the headphone housing 2 and the headphone case 3 has an annular shape, and is made of a sound absorbing material such as rubber. Therefore, the operation sound (vibration) of the switch 5 is transmitted to the headphone housing 2 but is difficult to be transmitted to the headphone case 3. Therefore, the possibility that the operation sound of the switch 5 becomes noise is small.

  In the conventional headphone 31 shown in FIG. 5, even if the joint 40 is made of a sound absorbing material such as rubber, the same effects as those shown in FIG. 3 can be obtained.

  Further, the headphones of the first to third embodiments can be used instead of the headphone of the head mounted display shown in FIG.

It is sectional drawing which shows the outline | summary of the headphones which are the 1st Embodiment of this invention. It is sectional drawing which shows the outline | summary of the headphones which are the 2nd Embodiment of this invention. It is sectional drawing which shows the outline | summary of the headphones which are the 3rd Embodiment of this invention. It is a figure which shows the outline | summary of the conventional head mounted display. It is a figure which shows the example which attached the operating device to the headphone housing.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Headphone, 2 ... Headphone housing, 3 ... Headphone case, 4 ... Joint, 5 ... Switch, 6 ... Sound absorbing material, 7 ... Overhead band, 8 ... Cable, 9 ... Driver, 10 ... Head pad, 11 ... Electric board, 12 ... wiring

Claims (2)

A headphone in which an operation device is directly or indirectly attached to a headphone housing, wherein a sound absorbing material is disposed between the operation device attachment portion and the sound generation portion, and the operation device is attached to the substrate. The headphone is characterized in that the substrate is attached to the headphone housing, and a sound absorbing material is disposed between the substrate and the headphone housing . A head-mounted display comprising: the headphone according to claim 1; and a display unit connected to the headphone and displaying an image on a user's eyes.

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