JP4065976B2 - Head mounted display device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a head mounted display device that is used by being mounted on a head.
[0002]
[Prior art]
Some conventional head mounted display devices include a display unit and a holder for holding the display unit.
[0003]
The holder has two side frames that can be attached to the left and right ears, and one rear frame along the back of the head.
[0004]
One end of each side frame is provided with a contact portion that is hooked to the ear. The contact portion is provided with a holding mechanism for holding the display unit.
[0005]
The other end of one side frame is connected to one end of the rear frame via a hinge, and the other end of the other side frame is connected to the other end of the rear frame via a hinge. Therefore, each side frame can be folded so as to overlap the rear frame.
[0006]
When using the head-mounted display device, each side frame is first developed, and then a display unit is mounted on a contact portion of one of the side frames. The display unit is held by the holding mechanism of the contact portion.
[0007]
Next, the contact portions of both side frames are hooked on the left and right ears so that the rear frame is placed on the back of the head.
[0008]
In this way, when the head mounted display device is mounted on the head, the display unit is disposed in front of one eye, and the user can see the image.
[0009]
Further, when storing the head mounted display device, it is convenient because the storage volume (space volume necessary for storage) can be reduced by folding the holder.
[0010]
[Patent Document 1]
Japanese Patent Laid-Open No. 2000-22451
[Problems to be solved by the invention]
However, in the above-mentioned head mounted display device, the display unit is removed from the holder every time it is stored and carried, and the holder is not folded in three so that both side frames are stacked on the rear frame in a certain order. There is a problem that it is inconvenient.
[0012]
Further, each time the head mounted display device is changed from the housed state to the used state, a display unit has to be attached to the contact portion of one side frame, which is inconvenient.
[0013]
The present invention has been made in view of such circumstances, and its object is to facilitate the use, storage and carrying of the head mounted display device.
[0014]
[Means for Solving the Problems]
In order to solve the above-described problem, the invention according to claim 1 is a rear arm that is attached to the back of the head, two side portions that are provided at both ends of the rear arm and are provided near the left and right ears, and one end of the rear arm. In a head mounted display device comprising a front arm provided on the front portion and a display means provided on the front arm and disposed in front of the eyes when the rear arm is mounted, the rear arm includes a first arm component And a second arm constituent part longer than the first arm constituent part, and a connecting part for connecting the arm constituent parts so as to be bendable. The front arm is accommodated in the second arm constituent part. An accommodating portion is provided .
[0015]
According to a second aspect of the present invention, in the head-mounted display device according to the first aspect of the present invention, the head-mounted display device includes an elastic body that is provided in the connecting portion and applies a biasing force so that the two arm constituent portions approach each other. It is characterized by.
[0016]
According to a third aspect of the present invention, in the head mounted display device of the second aspect, the elastic body is a spring.
[0017]
According to a fourth aspect of the present invention, in the head mounted display device according to the first, second, or third aspect , the accommodating portion is longer than the front arm.
[0018]
The invention according to claim 5 is a rear arm to be attached to the back of the head, two side parts to be provided near both left and right ears, and a front arm provided to one end of the rear arm. And a display device provided on the front arm and disposed in front of the eyes when the rear arm is mounted, the rear arm includes a first arm component and the first arm component. A second arm constituent part longer than the first part and a connecting part for connecting these arm constituent parts so that they can be bent. The length of the first arm constituent part and the length of the second arm constituent part Is set so that the two side parts do not interfere when these arm constituent parts are bent, and the front arm is accommodated in the second arm constituent part. Wherein the accommodating section is provided that.
According to a sixth aspect of the present invention, in the head mounted display device according to the fifth aspect of the present invention, the head mounted display device further includes an elastic body that is provided in the connecting portion and applies an urging force so that the two arm constituent portions approach each other. And
According to a seventh aspect of the present invention, in the head mounted display device according to the sixth aspect, the elastic body is a spring.
According to an eighth aspect of the present invention, in the head mounted display device according to the fifth, sixth, or seventh aspect , the accommodating portion is longer than the front arm.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
[0020]
1 to 4 show a head mounted display device according to an embodiment of the present invention, FIG. 1 is a perspective view showing a usage state of the head mounted display device, and FIG. 2 is an enlarged plan view showing a connecting portion of a rear arm. 3 is a perspective view showing a state in which the front arm is housed in the housing portion of the rear arm, and FIG. 4 is a perspective view showing a housing state of the head mounted display device.
[0021]
The head-mounted display device includes a substantially arc-shaped rear arm 1 attached to the back of the head, two substantially disc-shaped ear pads (side parts) 2 and 3 attached to the left and right ears, and one eye. A display device (display means) 4 disposed in front and a substantially arc-shaped front arm 5 that supports the display device 4 are provided.
[0022]
The ear pad 2 is provided at one end of the rear arm via a slide belt 2a, and the ear pad 3 is provided at the other end of the rear arm in the same manner as the ear pad 2.
[0023]
The front arm 5 is supported on one end of the rear arm 1. The front arm 5 is connected to the rear arm 1 so as to be relatively movable, and it is not assumed that the two are separated.
[0024]
The rear arm 1 has a first arm constituent part 1a, a second arm constituent part 1b, and a connecting part 1c for connecting these arm constituent parts 1a and 1b so that they can be bent. The second arm component 1b is longer than the first arm component 1a. That is, the connecting portion 1c is located at a position shifted from the intermediate portion C of the rear arm 1 toward the ear fitting portion 3.
[0025]
The second arm component 1b is provided with a housing portion 6 for housing the front arm 5. The accommodating portion 6 is a space extending from one end to the other end of the arc-shaped second arm constituting portion 1b. The front arm 5 can be accommodated in the accommodating portion 6 or pulled out from the accommodating portion 6.
[0026]
The connecting portion 1c includes a notch 1c-1 formed at the other end of the second arm component 1b, a protrusion 1c-2 formed at the other end of the first arm component 1a, and a second And the pin 1c-3 fixed to the other end of the arm component 1b. The protrusion 1c-2 is fitted in the notch 1c-1. The pin 1c-3 penetrates the protrusion 1c-2 fitted into the notch 1c-1.
[0027]
A torsion spring (spring) 7 is provided in the connecting portion 1c. One end of the torsion spring 7 is fixed to the other end of the first arm component 1a, and the other end of the torsion spring 7 is fixed to the other end of the second arm component 1b. As shown in FIG. 2, the spring force of the torsion spring 7 acts so that both arm structure parts 1a and 1b approach each other.
[0028]
In order to use the head-mounted display device of this embodiment, first, both arm components 1a and 1b are spread against the spring force of the torsion spring 7, and the ear pads 2, 3 are placed on the left and right ears. When the hand is released, the ear mounting portions 2 and 3 are pressed against the left and right ears by the spring force of the torsion spring 7, so that the head mounted display device is fixed to the head of the user 8.
[0029]
Thereafter, the display device 4 is pulled with a finger, and the front arm 5 is pulled out from the accommodating portion 6 of the second arm constituting portion 1b. FIG. 1 shows a state in which the entire front arm 5 is pulled out. In this state, the display device 4 is arranged in front of one eye of the user 8, and the user 8 can see an image.
[0030]
On the other hand, to house the head mounted display device, first, the display device 4 is pushed with a finger, and the front arm 5 is accommodated in the accommodating portion 6 of the second arm constituting portion 1b (see FIG. 3).
[0031]
Thereafter, both arm constituent portions 1a and 1b are spread against the spring force of the torsion spring 7 to separate the ear fitting portions 2 and 3 from the left and right ears, and are pulled to the rear of the back of the head of the user 8 as it is. Release the hand from part 2 (or ear pad part 3).
[0032]
When the hand is released, both arm components 1a and 1b approach each other by the spring force of the torsion spring 7, and the rear arm 1 is folded into two (see FIG. 4). Since the lengths of the arm components 1a and 1b are different, when the arm components 1a and 1b are folded, the ear pads 2 and 3 do not interfere with each other, and the ear pads 3 are in contact with the inner surface of the arm component 1b. To do.
[0033]
According to this embodiment, the front arm 5 is supported so as not to be separated at one end of the rear arm 1, and the rear arm 1 has a first arm component 1 a and a first arm component 1 a longer than the first arm component 1 a. 2 and the connecting portion 1c for connecting these arm constituent portions 1a and 1b so that they can be bent, the display device 4 and the front arm 5 are detached from the rear arm 1 each time they are stored and carried. It is not necessary to fold the rear arm 1 into three according to a certain procedure. As a result, the head-mounted display device can be easily folded and stored and carried. Since the lengths of the arm components 1a and 1b are different, the storage capacity when the rear arm 1 is folded in two can be reduced as compared with the case where the lengths of the arm components 1a and 1b are the same. .
[0034]
Further, since the torsion spring 7 is provided in the connecting portion 1c, when using the head mounted display device, the ear contact portions 2 and 3 are pressed against the left and right ears by the spring force of the torsion spring 7, and the rear arm 1 is used. When the head mounted display device is housed, both arm components 1a and 1b approach each other by the spring force of the torsion spring 7 and the rear arm 1 is folded in two. .
[0035]
Further, since the housing portion 6 for housing the front arm 5 is provided in the second arm constituting portion 1b, the display device 4 and the front arm 5 are attached to the rear arm 1 each time the head mounted display device is used, stored and carried. At the same time, it is not necessary to attach or remove the head mounted display device, and the storage volume of the head mounted display device as a whole is reduced, making storage and carrying more convenient. Since the accommodating part 6 is longer than the front arm 5, the whole front arm 5 is accommodated in the accommodating part 6, and the accommodation volume becomes the minimum.
[0036]
In this embodiment, the side portions are the earpiece portions 2 and 3, but the side portions are not limited to this, and may have a sound output function, for example, a speaker portion, or may have a receiver function. Part.
[0037]
【The invention's effect】
As described above, according to the present invention, the use, storage and carrying of the head mounted display device can be facilitated.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a usage state of a head mounted display device according to an embodiment of the present invention.
FIG. 2 is an enlarged plan view showing a connecting portion of a rear arm.
FIG. 3 is a perspective view showing a state in which the front arm is housed in the housing portion of the rear arm.
FIG. 4 is a perspective view showing a storage state of the head mounted display device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Rear arm 1a 1st arm structure part 1b 2nd arm structure part 1c Connection part 2, 3 Ear part (side part)
4. Display device (display means)
5 Front arm 6 Housing part 7 Torsion spring (spring)

Claims (8)

A rear arm attached to the back of the head,
Two side portions provided at both ends of the rear arm and mounted near the left and right ears;
A front arm provided at one end of the rear arm;
In the head mounted display device provided with the display means provided on the front arm and disposed in front of the eyes when the rear arm is mounted,
The rear arm has a first arm constituent part, a second arm constituent part longer than the first arm constituent part, and a connecting part for connecting these arm constituent parts in a foldable manner,
A head-mounted display device, wherein the second arm component is provided with a housing portion that houses the front arm.   The head mounted display device according to claim 1, further comprising an elastic body that is provided in the connecting portion and applies an urging force so that the both arm constituent portions approach each other.   The head mounted display device according to claim 2, wherein the elastic body is a spring.   The head mounted display device according to claim 1, wherein the housing portion is longer than the front arm. A rear arm attached to the back of the head,
Two side portions provided at both ends of the rear arm and mounted near the left and right ears;
A front arm provided at one end of the rear arm;
Display means provided on the front arm and disposed in front of the eyes when the rear arm is mounted
In a head mounted display device comprising:
The rear arm has a first arm constituent part, a second arm constituent part longer than the first arm constituent part, and a connecting part for connecting these arm constituent parts in a foldable manner,
The length of the first arm component and the length of the second arm component are set so that the two side portions do not interfere when these arm components are bent,
A housing portion for housing the front arm is provided in the second arm component.
A head-mounted display device.   The head mounted display device according to claim 5, further comprising an elastic body provided at the connecting portion and applying an urging force so that the both arm constituent portions approach each other.   The head mounted display device according to claim 6, wherein the elastic body is a spring. The head mounted display device according to claim 5, wherein the housing portion is longer than the front arm.

Images