JPH1124000A - Stereo vision device - Google Patents

Abstract

(57) [Problem] To provide an optical path for a left eye and an optical path for a right eye so as not to focus on a display object for stereoscopic viewing when stereoscopic viewing is not performed. SOLUTION: A left-eye optical path 14a and a right-eye optical path 14b.
A lens cover 20 for closing the optical paths 14a and 14b when the stereoscopic display object 13 is not stereoscopically viewed to prevent light from reaching the stereoscopic display object 13 is provided therein.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stereoscopic image in which a stereoscopic image (stereo pair) such as two stereo photographs or stereo prints having different parallaxes is used to view an image stereoscopically. The present invention relates to a visual device, and more particularly, to a stereoscopic visual device in which a light path for a left eye and a light path for a right eye are shielded from light to prevent a focus on a display object for stereoscopic vision when stereoscopic viewing is not performed.

[0002]

2. Description of the Related Art As a conventional stereoscopic vision apparatus used for stereoscopically viewing a stereoscopic display object such as a stereo photograph, for example, those shown in FIGS. 17 and 18 are known. The stereoscopic vision device 1 includes a visual device main body 2 in which an optical system element is incorporated, and a stereoscopic display object 3 removably inserted into the visual device main body 2.

[0003] The visual device main body 2 is formed of a casing having a substantially Y-shaped planar shape. The visual device main body 2 includes a left-eye optical path 4a and a right-eye optical path 4b. The light path 4a for the left eye and the light path 4b for the right eye include eyepieces 5a and 5b each formed of a convex lens, and a plurality of mirrors 6a, 7a and 6b that reflect light passing through the eyepieces 5a and 5b. 7b, and the light reflected by the rearmost mirrors 7a and 7b is applied to the stereoscopic display object 3 such as a stereo photograph inserted into the base of the visual device main body 2. .

The light path 4a for the left eye and the light path 4b for the right eye
As shown in FIG. 19, the eyepieces 5 are arranged so as to be targeted at predetermined intervals in the left-right direction.
The mirrors 6a and 6b arranged behind the mirrors a and 5b are set inward at an angle of 45 °. Inside the mirrors 6a and 6b, rearmost mirrors 7a and 7b are installed facing outward at an angle of 45 °, respectively, and the stereoscopic display object 3 faces the mirrors 7a and 7b. Are located.

At the base of the visual device main body 2 for inserting the stereoscopic display object 3 is provided a slot-shaped display object insertion opening 8 opened on the upper surface. And the visual device main body 2
On the back surface of the camera, a lighting window 9 for taking in light corresponding to the image portion of the stereoscopic display object 3 to be inserted is provided.

[0006]

However, in such a conventional stereoscopic vision device, the eyepieces 5a,
5b are respectively exposed, and the visual device main body 2
The structure is such that outside light can freely enter the inside left optical path 4a and inside right optical path 4b.

For this reason, there is no problem when the stereoscopic vision device 1 is used indoors. However, when the stereoscopic vision device 1 is used outdoors, the stereoscopic display object 3 is inserted into the display object insertion opening 8 of the visual device main body 2. When the stereoscopic vision device 1 is left in the sun where sunlight falls in the state where the sunlight falls, when the sunlight enters the vision device main body 2 from the eyepieces 5a and 5b, it passes through the left and right optical paths 4a and 4b. The image is focused on the image of the stereoscopic display object 3. As a result, heat is generated at the focal point by focusing on the stereoscopic display object 3, and the important stereoscopic display object 3 and the visual device main body 2 may be burned or thermally deformed. was there.

The present invention has been made in view of such a conventional problem, and when the stereoscopic viewing is not performed, the optical path for the left eye and the optical path for the right eye are closed so as not to focus on the display object for stereoscopic viewing. Accordingly, it is an object of the present invention to provide a stereoscopic vision device which can solve the above-mentioned problem.

[0009]

SUMMARY OF THE INVENTION A stereoscopic vision apparatus according to the present invention solves the above-mentioned problems and the like, and achieves the above object by providing a stereoscopic vision system in a left-eye optical path and a right-eye optical path. An optical path opening / closing means is provided for closing the optical path when the display object is not stereoscopically viewed and preventing light from reaching the stereoscopic display object.

According to the present invention, when the display object for stereoscopic vision is not stereoscopically viewed, the optical path for the left eye and the optical path for the right eye are closed by the optical path opening / closing means, and the passage of light is prevented. Therefore, the sunlight does not reach the display object for stereoscopic vision through the eyepiece and is not focused on the display object. For this reason, it is possible to prevent heat generation of the stereoscopic display object due to focus coupling of sunlight and prevent the stereoscopic display object and the visual device body from burning or being thermally deformed.

[0011]

Embodiments of the present invention will be described below with reference to the accompanying drawings. 1 to 5 show a first example of a stereoscopic vision apparatus according to the present invention. FIG. 1 is a perspective view of the front side with the optical path closed, and FIG. 2 is a perspective view of the front side with the optical path open. FIG. 3 is a perspective view of the rear side with the optical path opened.
FIG. 4 is a perspective view showing an internal structure, and FIG. 5 is a perspective view showing a use state.

FIGS. 6 to 10 show a second embodiment of the stereoscopic vision apparatus according to the present invention. FIG. 6 is a perspective view of the front side with the optical path closed, and FIG. 7 is the front view with the optical path open. Side perspective view,
FIG. 8 is an explanatory view showing a method of manufacturing a stereoscopic display object used in this stereoscopic vision device, FIG. 9 is a perspective view showing a seal member as a stereoscopic display object, and FIG. 10 is a seal member shown in FIG. It is explanatory drawing which shows the principal part in cross section.

FIGS. 11 and 12 show a third example of the stereoscopic vision apparatus according to the present invention. FIG. 11 is a front perspective view of the stereoscopic vision apparatus with an optical path opened, and FIG. 12 is used in this stereoscopic vision apparatus. It is an explanatory view showing a manufacturing method of a display object for stereoscopic vision. 13 to 16 show a fourth example of the stereoscopic vision apparatus of the present invention. FIG. 13 is a perspective view of the front side, and FIG. 14 shows a display object holder opened to take out a stereoscopic display object. FIG. 15 is a perspective view showing the internal structure with the optical path closed, and FIG. 16 is a perspective view showing the internal structure with the optical path opened.

The stereoscopic vision device 11 according to the first example is shown in FIG.
As shown in FIG. 5, an optical path 14a for the left eye for viewing the image for the left eye and an optical path 14 for the right eye for viewing the image for the right eye
b, and the visual device main body 1
2 is provided with a stereoscopic display object 13 removably inserted into the optical device 2 and a lens cover 20 and the like showing a first specific example of an optical path opening / closing means rotatably attached to the outside of the visual device main body 12. .

The visual device main body 12 is formed of a casing having a substantially Y-shaped planar shape.
Synthetic resins such as S-resin (acrylonitrile-butadiene-styrene resin) are suitable, but other synthetic resins may be used, as well as metals such as iron plates and aluminum alloys in addition to synthetic resins. Various materials such as paper and wood can be used.

By providing a concave portion 21 which is continuous in the vertical direction at the center of the front side of the visual device main body 12, a bulge portion 12a for the left eye is formed on the left side of the front and the right eye is formed on the right side of the front. Bulge 12b is formed, and a base 12c is formed on the opposite side of the bulges 12a and 12b. The concave portion 21 for setting the bulging portions 12a and 12b of the visual device main body 12 is formed as a substantially semicircular vertical groove, and the concave portion 21 is stereoscopically viewed using the stereoscopic visual device 11. Sometimes the user's nose column is inserted.

Further, each bulging portion 12 of the visual device body 12
a and 12b are provided with lens holes 22a and 22
b are provided respectively, and each lens hole 22a, 22
b, the eyepieces 15a and 15 made of a convex lens
5b are respectively attached. One of the eyepieces 15a and 15b is disposed at one end of the left-eye optical path 14a, and the other eyepiece 15a is disposed at one end of the left-eye optical path 14a.
b is disposed at one end of the right-eye optical path 14b. One of the optical paths 14a for the left eye is connected to the eyepiece 1 described above.
5a and two mirrors 16a and 17a for reflecting the light passing through the eyepiece 15a. The other right-eye optical path 14b has an eyepiece 15b and light passing through the eyepiece 15b. Mirrors 1 that reflect light
6b and 17b.

The light path 14a for the left eye and the light path 1 for the right eye
As shown in FIG. 4, 4b is arranged so as to be symmetrical at a predetermined interval in the left-right direction, and the interval between both eyepieces 15a, 15b is set to the interval between ordinary human eyes. Is set. In this example, the binocular lenses 15
a and 15b are both fixed to the visual device main body 12,
Although the distance between the eyepieces 15a and 15b is not adjusted, the distance between the eyepieces 15a and 15b can be adjusted.

Mirrors 16a and 16b are arranged behind the eyepieces 15a and 15b such that their mirror surfaces face inward at an angle of 45 °. The mirrors 16a and 16b located on the front side of the optical path are arranged on the inner surface of an inclined wall portion 12d which is set to be inclined to the back side of the bulging portions 12a and 12b of the visual device main body 12, and each of the mirrors 16a and 16b is arranged. Inside mirrors 16a and 17b, mirrors 17a and 17b are arranged so that their mirror surfaces face outward at an angle of 45 °.
b is installed facing. The mirrors 17 a and 17 b located on the rear side of the optical path are provided in the concave portions 21 of the visual device main body 12.
The mirrors 17 are arranged in a V-shape inside the mirror 17.
The display object 3 for stereoscopic vision is attached to the visual device main body 12 so as to face a and 17b.

Thus, when light traveling parallel to the optical axes of the eyepieces 15a and 15b passes through the eyepieces 15a and 15b, the light is bent inward by 90 ° on the mirror surfaces of the mirrors 16a and 16b, respectively, and is directed toward the mirrors 17a and 17b. invade.
Then, the light is bent by 90 ° on the mirror surfaces of the inner mirrors 17a and 17b, and is returned to light traveling parallel to the optical axes of the eyepieces 15a and 15b.

As a result, the light that has entered the left-eye optical path 14a is reflected by the mirror 17a located at the rearmost position, and of the stereoscopic display object 13 installed behind the mirror 17a.
The light enters the left-eye image portion 23a on which the left-eye image is displayed. Similarly, the light that has entered the optical path 14b for the right eye is reflected by the mirror 17b located at the rear end thereof,
In the stereoscopic display object 13 installed at the rear, the light is incident on the right-eye image portion 23b on which the image for the right eye is displayed. In this example, the focal points of the binocular lenses 15a and 15b are fixed and do not need to be adjusted. However, the focal lengths of the binocular lenses 15a and 15b can be adjusted. Can also.

The base 12c of the visual device main body 12 is provided with a slot-like display object insertion opening 18 opened on the upper surface for inserting the stereoscopic display object 13. The display insertion slot 18 extends in the base 12c of the visual device main body 12 in a direction perpendicular to the traveling directions of the left and right optical paths 14a and 14b, and has a recess for accommodating the upper part of the display holder 24 at the rear. 12e is provided. As shown in FIG. 3, a lighting window 19 for taking in external light into the visual device main body 12 is provided on the rear surface of the base 12 c of the visual device main body 12.

The daylighting window 19 is made of a colorless and transparent synthetic resin, and can take in external light such as sunlight in a natural color. The size of the daylighting window 19 is set to be substantially the same or slightly larger in accordance with the image portion of the stereoscopic display object 13 to be inserted, so that a sufficient amount of light can be taken in. ing. The color of the daylighting window 19 is not limited to a colorless and transparent one, but may be a material capable of transmitting white light substantially as it is, for example, a synthetic resin which is clouded like a cloudy glass. It may be.

In order to insert the stereoscopic display object 13 into such a visual device main body 12, in this example, a display object holder 24 for holding the stereoscopic display object 13 is used. The display object holder 24 is formed by providing a grip portion 24a such as an eave on one side of a rectangular plate body, and is entirely made of cloudy synthetic resin. The reason why the opaque synthetic resin is used as the material of the display object holder 24 is to allow the light supplied from the rear side to be sufficiently transmitted, and differs depending on the degree of light passage. However, a colorless and transparent synthetic resin or the like can be used as the material of the display object holder 24.

The display object 13 for stereoscopic vision is attached to the front of the display object holder 24, and in this state, the display object insertion port 18 is provided.
, The stereoscopic display object 13 is inserted into a predetermined position of the visual device main body 12. Therefore, corner portions 24 b for positioning the stereoscopic display object 13 with respect to the display object holder 24 are provided at the four corners on the front surface of the display object holder 24.

The stereoscopic display object 13 positioned by the corner portion 24b is formed by a single sealing member as shown in FIG. The stereoscopic display object 13 includes a left-eye image section 13a displaying a left-eye image, and a right-eye image section 13b displaying a right-eye image, and includes a left half. Are arranged side by side with a left-eye image portion 13a arranged in the right half and a right-eye image portion 13b arranged in the right half. Such a stereoscopic display object 13 can be created by using, for example, a sheet creating machine in which an electronic printing device is incorporated.

More specifically, an image serving as the left-eye image portion 13a is printed on the left half of one colorless transparent or cloudy seal member, and an image serving as the right-eye image portion 13b is printed on the right half. . Then, an adhesive capable of transmitting light well is applied to the surface of the seal member opposite to the print surface so that the seal member can be detachably attached to the attachment surface of the display object holder 24. It should be noted that this stereoscopic display object 13 can also be made by a stereo camera or the like manufactured to specially take stereoscopic photographs, and two photographs taken simultaneously with slightly different parallax, a negative film, etc. Can also be used for stereoscopic viewing.

A lens cover 20 as an opening / closing plate is provided on the front corner of the upper surface of the visual device main body 12.
5 so as to be able to jump up to the upper surface side.
The lens cover 20 is shaped like an eyeglass so that the left and right lens holes 22a and 22b of the visual device main body 12 can be closed at the same time, and is urged by a spring that does not appear in a diagram showing a specific example of the elastic body. In the normal state, the left and right lens holes 22a and 22b are closed. An arc-shaped notch 20 a is provided in the upper central portion of the lens cover 20 so as to correspond to the concave portion 21 of the visual device main body 12.

Notch 20a of lens cover 20
Is set so as to substantially overlap with the concave portion 21 when the lens cover 20 is rotated upward,
This prevents the nose column from contacting the lens cover 20 during use. As a material of such a lens cover 20, an opaque synthetic resin is preferable. However, as long as the synthetic resin can block the passage of white light to some extent, the synthetic resin is not limited to the opaque one and may be a translucent or transparent one. There may be. Further, a plate material such as paper, wood, metal or the like may be used instead of the synthetic resin.

As the rotation supporting means 25 for supporting the lens cover 20, for example, a nail-shaped shaft pin provided on one of the visual device main body 12 and the lens cover 20 and a shaft pin provided on the other and freely rotatable on the shaft pin. And the spring for urging the lens cover 20 to the closing side. Then, appropriate irregularities are provided on the shaft pin and the bearing portion, and the lens cover 20 is set at a predetermined angle (270
°) Connect so that it can rotate. Thereby, in a natural state, the eyepieces 15a, 15a,
15b is closed, and the lens cover 20 can be rotated upward by 270 ° during use to realize stereoscopic viewing of the display object for stereoscopic viewing.

Further, a hanger 26 is rotatably attached to one side of the visual device main body 12 in the lateral direction. The hanging member 26 is provided with a through hole 26a, and a strip 27 made of a string or a chain for carrying the stereoscopic device 11 around the neck or shoulder is inserted into the through hole 26a. I have.

The stereoscopic vision device 11 having such a configuration
Can be used, for example, as follows. First, the stereoscopic display object 13 created in advance by a machine such as a seal making machine is attached to a predetermined position of the display object holder 24. At this time, the predetermined position of the display object holder 24 is specified by four corner portions 24b, and the display object 13 for stereoscopic vision is attached to the four corner portions 24b so as to be aligned with the four corners, thereby positioning the display object holder 24 at the predetermined position. Can be attached to the display object holder 24.

As shown in FIG. 1, the display object holder 24 to which the stereoscopic display object 13 is attached is attached to the stereoscopic device 11 as shown in FIG.
Is inserted into the display object insertion port 18. Thus, the stereoscopic display object 13 is inserted into a predetermined position of the visual device main body 12, and
The left-eye image portion 23a and the right-eye image portion 23b arranged side by side on the stereoscopic display 13 are set on the left-eye optical path 14a and the right-eye optical path 14b.

Next, against the urging force of a spring (not shown) of the rotation supporting means 25, as shown in FIGS.
By turning the lens cover 20 upward, the visual device
To the top side of the As a result, the lens cover 20 covering the left and right eyepieces 15a and 15b is moved outward from above the optical axis, and both the left-eye optical path 14a and the right-eye optical path 14b are opened. Therefore, as shown in FIG. 5, both eyes are brought close to the left and right eyepieces 15a and 15b to look inside the visual device main body 12.

In this case, light enters the main body 12 of the visual device through the light-receiving window 19 provided on the opposite side of the eyepieces 15a and 15b, and the light that has passed through the display object holder 24 becomes a backlight, thereby displaying a stereoscopic display. The object 13 is illuminated and becomes bright. As a result, the image displayed on the left and right image sections 23a and 23b can be stereoscopically viewed by the parallax between the two images, and the stereoscopic display object 13 is realized in a stereoscopic view. At this time, by grasping the lens cover 20 and the bottom of the visual device main body 12 with one hand, it is possible to hold the lens cover 20 in an open state in a natural form.

At this time, when the lens cover 20 is turned to the upper surface side, a concave portion 21 is provided in the visual device main body 12 and the notch 2 is formed in the lens cover 20 correspondingly.
0a is provided, and the nose column between both eyes is accommodated in the concave portion 21 and the notch portion 20a, so that the nose column does not become an obstacle, and both eyes are connected to the left and right eyepiece lenses 15a, 15a.
15b sufficiently close to 15b so that a reliable stereoscopic image can be viewed. Then, a large number of display object holders 24 are prepared in advance, a stereoscopic display object 13 of various images is pasted on each display object holder 24, and by replacing the display object holder 24, various stereoscopic images are obtained. Can be enjoyed continuously.

After such a stereoscopic view, the visual device body 12
When the user releases his / her hand, the lens cover 20 is biased by the spring force of a spring (not shown) of the rotation support means 25, so that the front surfaces of the left and right eyepieces 15a and 15b are closed, and the left and right optical paths 14a and 15b are closed. 14b are closed together. Then, the suspending device 26 attached to the visual device main body 12.
The stereoscopic device 11 is lowered from the neck like an accessory due to the presence of the strip 27 inserted through the through hole 26a.

As described above, when the stereoscopic vision device 11 is hung from the neck and sits on a sun chair or lays down on the lawn, or when the stereo vision device 11 is removed from the neck and placed on a chair or lawn, etc. Also, even when sunlight is directly radiated to the stereoscopic vision device 11, since the left-eye optical path 14 a and the right-eye optical path 14 b are both closed by the lens cover 20, the direct sunlight is exposed to the eyepiece 15 a. , 15b
There is no possibility of entering the visual device main body 12 from the direction of the optical axis. For this reason, the direct sunlight is exposed to the left and right optical paths 14a, 14a.
b, the focus is not focused on the stereoscopic display object 13, so that the heat generation due to direct sunlight based on the coupling of the focus is prevented, and the stereoscopic display object 13 and the visual device main body 12 burn, Thermal deformation can be reliably prevented.

The second embodiment of the present invention shown in FIGS.
As a second example of the optical path opening / closing means, a slide shutter type lens cover 40 is provided, and the left and right eyepieces are opened and closed by the lens cover 40 to open and close the optical path for the left eye and the optical path for the right eye. . This stereoscopic vision device 31
The visual device main body 32 includes a horizontally long housing, and a lens cover 40 slidably held along one side of the visual device main body 32.

As shown in FIG. 6, a concave portion 41 for accommodating a person's nose column is provided at a substantially central portion on the front side of the visual device main body 32. Square lens holes 42a and 42b are opened on both sides of the concave portion 41 of the visual device main body 32, and square eyepieces 45a and 45b are respectively mounted inside the lens holes 42a and 42b. . And these eyepieces 45a, 45
Although not shown, a light path for the left eye and a light path for the right eye having a configuration similar to that of the first example described above are provided inside the visual device main body 32 in association with b.

On the rear side of both optical paths of the visual device main body 32, there are provided display object insertion holes 38 communicating vertically. As shown in FIG. 6, a stereoscopic display object 33 as shown in FIG. 6 is inserted through the display object insertion hole 38, and can be vertically penetrated. Then, the stereoscopic display object 3
In order to temporarily fix the display object 3 at a predetermined position of the display object insertion hole 38, a display object lock means (not shown) is provided in the visual device main body 32.

Further, on the back surface of the visual device main body 32 behind the display object insertion hole 38, a lighting window 39 for taking in light is provided. And the visual device body 3
A hanging member 46 is attached to one surface side in the longitudinal direction of 2, and a strip 47 such as a string is inserted into a through hole 46a of the hanging member 46 so that the hanging member 46 can be hung.

The lens cover 40 slidably attached to the front of the visual device main body 32 has a vertical U-shaped cross section, and a guide pin 44 projecting inward is provided on the opening side. I have. This guide pin 44
Is slidably engaged with a laterally extending guide groove 36 provided in the visual device main body 32, thereby enabling the lens cover 40 to slide and preventing the lens cover 40 from falling off from the visual device main body 32. I have.

The lens cover 40 is provided with a notch portion 40a having a similar shape corresponding to the concave portion 41 of the visual device main body 32, and a peephole 45 is provided on one side of the notch portion 40a. It is open. This lens cover 4
0 is always energized by a spring that does not appear in the figure,
In the free state, the state is as shown in FIG. At this time, the cutout portion 40a of the lens cover 40 and the recessed portion 41 of the visual device main body 32 are in a misaligned state, and the eyepiece 35a for the left eye is cut out of the cutout portion 40a of the lens cover 40.
The eyepiece 35b for the right eye is closed by the front piece as the left opening / closing piece, and the notch 40 of the lens cover 40
aThe right side is closed by a front piece as an opening / closing piece.

On the other hand, gripping portions 40b for preventing slippage provided on the upper and lower surfaces of the lens cover 40 are gripped from above and below, and the lens cover 40 is slid against the urging force of a spring which does not appear in the drawing, thereby obtaining the configuration shown in FIG. As shown in (5), a state in which stereoscopic viewing is possible can be achieved. At this time, the notch 40a of the lens cover 40 is
In this state, the eyepiece 35a for the left eye is opened by the movement of the lens cover 40, and the eyepiece 45b for the right eye is opened by the movement of the lens cover 40 so that the peep hole 45 matches the lens hole 42b. .

Therefore, by inserting the nose column between both eyes into the concave portion 41 and the notch portion 40a, the nose column does not become an obstacle, and the both eyes are connected to the left and right eyepiece lenses 35a, 35a.
b, so that a reliable stereoscopic image can be viewed. At this time, as shown in FIG.
When the lens cover 40 is slid sideways and gripped with one hand, the opened state of the lens cover 40 can be held in a natural manner. After such a stereoscopic view, by releasing the hand from the lens cover 40, the lens cover 40 is returned to the state shown in FIG. 6 by the spring force of a spring (not shown), and both the left and right eyepieces 35a and 35b are closed. Will be.

The stereoscopic vision device 31 having such a configuration
Of the stereoscopic display object 33 used in the above-described example, four sets of stereoscopic images are displayed in the vertical direction. Each set of three-dimensional images is a left-eye image piece 33 that is a left-eye image portion on which a left-eye image is displayed.
a, and a right-eye image piece 33b, which is a right-eye image portion on which a right-eye image is displayed, and these are arranged side by side to form a set of three-dimensional images. Four sets are provided in one vertical line.

Such a stereoscopic display object 33 can be easily created as shown in FIG. The three-dimensional display object 33 having the four sets of three-dimensional images is a three-dimensional photographic stereoscopic print SP created by a machine such as a sheet creating machine in which an electronic printing device is incorporated, and one sheet A total of 16 sheets of 4 sheets in length and 4 sheets in width are created as a seal on the backing paper.

As shown in FIG. 9, the stereoscopic print SP is printed in a total of 16 frames of 4 × 4, and each frame has a cut. Then, as shown in a cross section in FIG. 10, thin plastic sheets 33a and 33b with a back side glue serving as a seal are pasted on a plastic sheet 33c as a white mount, and the above-described three-dimensional plastic sheet is attached to the surface of the plastic sheet. The image will be printed. The mount of the stereoscopic display object 33 and the seal on which the stereoscopic image is displayed are colorless and transparent as long as they can transmit an appropriate amount of white light, though depending on the condition of the light. And may be cloudy.

The stereoscopic print S having such a configuration
As shown in FIG. 8, P is grouped in two vertical columns without separating two adjacent pairs, and cut together with the mount including the upper and lower margins, thereby providing a stereoscopic display shown in this embodiment. The object 33 can be obtained. In this case, since the upper and lower margin portions serve as grips for being held by hand, the stereoscopic display object 33 can be easily taken in and out and positioned, and can be used very conveniently.

By using the stereoscopic display object 33 having such a configuration and moving it up and down for viewing, different stereoscopic images can be continuously enjoyed.

The third example of the present invention shown in FIG. 11 differs from the second example described above in that the display object insertion hole 48 is made to penetrate in the horizontal direction, and the stereoscopic display object 34 is placed on the side of the visual device main body 32. It is configured to be movable in the direction. In accordance with this, as shown in FIG. 12, the stereoscopic display object 34 cuts out the stereoscopic print SP for each mount, including the left and right margins, for each horizontal row, so that the stereoscopic display object 34 shown in this embodiment is cut off. Display object 3
4 is obtained.

This stereoscopic print SP is the same as the above-described second example in that it has a total of 16 stickers, 4 in length and 4 in width, but the difference is that each sticker has a left half. A left-eye image portion 34a is formed, and a right-eye image portion 34b is formed in the right half. Then, the display material for stereoscopic vision 34 shown in this embodiment is formed by cutting the entire mount including the left and right margins horizontally. In this case, the left and right margins serve as grips for holding by hand, so that the stereoscopic display object 34 can be easily taken in and out and positioned, and can be used very conveniently. Other configurations are the same as those of the above-described embodiment.

By using the stereoscopic display object 34 having such a configuration and moving the stereoscopic display object 34 left and right, different stereoscopic images can be continuously enjoyed.

A fourth embodiment of the present invention shown in FIGS. 13 to 16 is to make the entire stereoscopic vision device 51 round,
An optical path opening / closing means for opening / closing the optical path for the left eye and the optical path for the right eye is configured to be built in the visual device main body. The visual device main body 52 of the stereoscopic visual device 51 according to this example is shown in FIG.
As shown in FIG. 5, the entirety is formed round, including the bulging portions 52a and 52b protruding left and right while eliminating the sharp corners. A concave portion 61 into which a person's nose column is inserted is set between the bulging portions 52a and 52b.

Each of the bulging portions 52a,
Lens holes 62a and 62b are opened in the center of 52b, and eyepieces 55a and 55b are mounted inside the lens holes 62a and 62b. A hanging ring 66 is integrally provided on one side in the lateral direction of the visual device main body 52, and a strip 67 such as a string is passed through a through hole 66 a provided in the hanging ring 66. It can be suspended and transported.

On the back of the visual device main body 52, FIG.
As shown in FIG. 7, a lighting window 59 for taking in an appropriate amount of light is provided. And this lighting window 59
An opening / closing lid 53 that can open and close the lens cover 20 is attached to the visual device main body 52 by rotation supporting means having substantially the same configuration as that of the lens cover 20 in the first example described above. The rotation of the opening / closing lid 53 opens and closes the daylighting window 59, and when opened, exposes the internal mechanism.

Inside the opening / closing lid 53, a concave portion 53a for accommodating the display object holder 58 is provided. Display object holder 58 removably inserted into the recess 53a.
Is a sticking section 58 to which two pieces of stereoscopic display objects are stuck.
a, 58b are provided. These sticking portions 58a, 58b include, for example, a left-eye image piece 33a and a right-eye image of the stereoscopic display object 33 of the second example described above. The piece 33b is attached.

The visual device main body 52 having such a configuration
Are provided with a left-eye optical path 54a and a right-eye optical path 54b having a configuration as shown in FIG. These left and right optical paths 54a and 54b are connected to the above-mentioned left and right eyepieces 55a and 55b and two left and right mirrors 5 respectively.
6a, 57a and 56b, 57b. The rear mirrors 57a and 57b are fixed to the visual device main body 52 as in the first example.
6a and 56b are configured to be rotatable in the front-rear direction.

That is, in the fourth example, the front mirror 5
Reference numerals 6a and 56b also serve as opening / closing plates as optical path opening / closing means for opening and closing the left and right optical paths 54a and 54b. Therefore, turning shafts 64a and 64b extending vertically are integrally provided outside the front mirrors 56a and 56b.
The upper and lower ends of the rotating shafts 64a and 64b are supported by the visual device main body 52, so that the front mirror 56
a, 56b are rotatable in the front-rear direction. Furthermore,
The front mirrors 56a and 56b are constantly urged rearward by a spring (not shown), and are parallel to the rear mirrors 57a and 57b in a natural state as shown in FIG. Can reach the stereoscopic display object 33.

On the other hand, behind the front mirrors 56a and 56b, a turning lever 65 for turning the front mirrors 56a and 56b in the front-rear direction is provided. The rotating lever 65 includes mirror pressing portions 65a and 65b that can push the front mirrors 56a and 56b forward, and an operating arm 65 for rotating the rotating lever 65.
c. One end of a spring 68, which is a specific example of an elastic body, is locked to the operation arm 65c. The other end of the spring 68 is extended forward and locked to the visual device main body 52. The operation arm 65c is constantly urged forward by the spring 68.

An opening / closing button 70 for rotating the operation arm 65c in the vertical direction is engaged with the operation arm 65c of the rotation lever 65. The open / close button 70 is supported by the visual device main body 52 so as to be movable in the axial direction, and has a slit 70a that is slidably fitted to the operation arm 65c from above. By pressing the open / close button 70 and pressing down the operation arm 65c at the upper end of the slit 70a, the operation arm 65c is lowered, and the left and right mirror pressing portions 65a and 65b are rotated rearward.
As a result, the left and right front mirrors 56a and 56b are rotated rearward around the rotation shafts 64a and 64b, respectively, so as to follow the retreating operation of the mirror pressing portions 65a and 65b, as shown in FIG. Becomes Thereby, stereoscopic vision by this stereoscopic vision device 51 becomes possible.

On the other hand, when the release button 70 is released, the spring 6
8, the operating arm 65c is lifted, and the biasing force of the spring 68 overcomes the biasing force of a spring (not shown), so that the mirror pressing portions 65a, 65
5b rotates the front mirrors 56a and 56b forward.
As a result, the front mirrors 56a and 56b change to the state shown in FIG. 15, and the left and right optical paths 54a and 54b are blocked by the front mirrors 56a and 56b. As a result, light passing through the optical axes of the eyepiece lenses 55a and 55b is reflected by the front mirrors 56a and 56b, respectively, and cannot reach the stereoscopic display object 33. Thus, the stereoscopic vision by the stereoscopic vision device 51 becomes impossible.

The display object 3 for stereoscopic vision is displayed on the stereoscopic vision device 51.
To set 3, as shown in FIG. 14, a left-eye image piece 33a on which a left-eye image is printed and a right-eye image piece 33b on which a right-eye image is printed are taken out. Then, a pair of two sheets in which two adjacent sheets form a pair are attached to the display object holder 58. At this time, both image pieces 33a, 33 are attached to the sticking portions 58a, 58b of the display object holder 58.
By pasting b, both image pieces 33a and 33b are pasted at predetermined positions of the display object holder 58.

Thereafter, the display object holder 58 is set in the concave portion 53a of the cover 53, and the cover 53 is closed to complete preparation for stereoscopic viewing. Then, by pressing the open / close button 70 and looking through the eyepieces 55a and 55b, the image displayed on the stereoscopic display object 33 can be stereoscopically viewed.

As described above, the present invention is not limited to the above embodiment. In the above embodiment, an example using external sunlight as a light source has been described.
For example, a miniature bulb or other light source is built into the main body of the visual device,
By illuminating the display object for stereoscopic vision with the light, stereoscopic vision can be enjoyed in the same manner as in the above-described example. Thus, the present invention can be variously modified without departing from the spirit thereof.

[0067]

As described above, according to the present invention,
In the optical path for the left eye and the optical path for the right eye, since the optical path opening and closing means for closing the optical path when the stereoscopic display object is not stereoscopically viewed is provided, the optical path for the left eye and the optical path for the right eye when the stereoscopic viewing is not performed. It can be closed to prevent light from reaching the stereoscopic display object. Therefore, when the stereoscopic display object is not stereoscopically viewed, the sunlight does not reach the stereoscopic display object through the eyepiece and is not focused on the display object. The display object can be prevented from generating heat, the display object for stereoscopic vision and the main body of the visual device can be prevented from burning or being thermally deformed, and a highly safe stereoscopic visual device can be provided. .

[Brief description of the drawings]

FIG. 1 shows a first example of a stereoscopic vision apparatus according to the present invention, and is a perspective view seen from the front side with a left-eye optical path and a right-eye optical path closed.

FIG. 2 is a perspective view showing a first example of the stereoscopic vision apparatus according to the present invention, as seen from the front side with a left-eye optical path and a right-eye optical path opened.

FIG. 3 is a perspective view showing a first example of the stereoscopic vision apparatus according to the present invention, as seen from the back side with a left-eye optical path and a right-eye optical path opened.

FIG. 4 is a perspective view showing a first example of the stereoscopic vision apparatus according to the present invention, showing internal structures of an optical path for a left eye and an optical path for a right eye.

FIG. 5 is an explanatory diagram showing a use state of the first example of the stereoscopic vision apparatus according to the present invention.

FIG. 6 is a perspective view showing a second example of the stereoscopic vision apparatus according to the present invention, as seen from the front side with the left-eye optical path and the right-eye optical path closed.

FIG. 7 is a perspective view showing a second example of the stereoscopic vision apparatus according to the present invention, as seen from the front side with a left-eye optical path and a right-eye optical path open.

FIG. 8 is an explanatory diagram showing a method for manufacturing a stereoscopic display object used in a second example of the stereoscopic vision device according to the present invention.

FIG. 9 is an explanatory view showing a display object for stereoscopic vision used in the stereoscopic vision apparatus according to the present invention.

FIG. 10 is an explanatory diagram showing a cross section of a main part of a display object for stereoscopic vision used in the stereoscopic vision device according to the present invention.

FIG. 11 shows a third example of the stereoscopic vision apparatus according to the present invention, and is a perspective view seen from the front side with a left-eye optical path and a right-eye optical path opened.

FIG. 12 is an explanatory diagram showing a method of manufacturing a stereoscopic display object used in a third example of the stereoscopic vision device according to the present invention.

FIG. 13 is a perspective view showing a fourth example of the stereoscopic vision device according to the present invention, as viewed from the front side.

FIG. 14 is a diagram illustrating a fourth example of the stereoscopic vision apparatus according to the present invention, as viewed from the rear side with the display object holder opened.

FIG. 15 is a perspective view showing a fourth example of the stereoscopic vision apparatus according to the present invention, showing an internal structure in a state where a left-eye optical path and a right-eye optical path are closed.

FIG. 16 is a perspective view showing a fourth example of the stereoscopic vision apparatus according to the present invention, showing an internal structure in a state where a left-eye optical path and a right-eye optical path are opened.

FIG. 17 is a perspective view showing a conventional stereoscopic vision device as viewed from the front side.

FIG. 18 is a perspective view showing a conventional stereoscopic vision device as viewed from the rear side.

FIG. 19 is an explanatory diagram showing the internal structure of a conventional stereoscopic vision device.

[Explanation of symbols]

11, 31, 51 Stereoscopic vision device, 12, 32, 52
Visual device body, 13, 33, 34 Stereoscopic display object, 14a, 54a Light path for left eye, 14b, 54b
Optical path for right eye, 15a, 15b, 35a, 35b, 5
5a, 55b eyepieces, 16a, 16b, 17
a, 17b, 56a, 56b, 57a, 57b mirror, 18 display object insertion port, 19, 39, 59 lighting window, 20, 40 lens cover (optical path opening / closing means),
23a, 23b image part, 24, 58 display object holder,
25 rotation support means, 33a, 33b image pieces,
38 display object insertion hole, 53 opening / closing lid, 65 rotating lever, SP stereoscopic print

Claims (11)

[Claims] A visual device main body having an optical path for a left eye for viewing an image for a left eye and an optical path for a right eye for viewing an image for a right eye, wherein the optical path for the left eye and the optical path for the right eye are provided. In a stereoscopic vision device that enables a stereoscopic display object installed at the other end to be viewed stereoscopically by looking at one end of the optical path, the stereoscopic display object is provided in the left-eye optical path and the right-eye optical path. A stereoscopic vision apparatus comprising: an optical path opening / closing means for closing the optical path when stereoscopic viewing is not performed and preventing light from reaching a display object for stereoscopic viewing. 2. The stereoscopic vision apparatus according to claim 1, wherein a convex lens for enlarging an image of the display object for stereoscopic vision is used as an eyepiece in the optical path for the left eye and the optical path for the right eye. Stereo vision device. 3. The stereoscopic vision device according to claim 1, wherein the optical path opening / closing means includes an opening / closing plate capable of opening / closing the left-eye optical path and the right-eye optical path, and the opening / closing plate being always moved in a direction to close the optical path. A stereoscopic vision device comprising: an elastic body for urging. 4. The stereoscopic vision device according to claim 3, wherein the opening / closing plate of the optical path opening / closing means is rotatably attached to the outside of the visual device main body, and moves outside the optical path during stereoscopic vision to move the left eye. A stereoscopic vision device, wherein the optical path for the right eye and the optical path for the right eye are opened. 5. The stereoscopic vision apparatus according to claim 3, wherein the opening / closing plate of the optical path opening / closing means is movably mounted inside the main body of the visual apparatus, and moves outside the optical path during stereoscopic viewing to be used for the left eye. A stereoscopic vision device characterized by opening an optical path and an optical path for the right eye. 6. The stereoscopic vision device according to claim 1, wherein the visual device main body includes a lighting window for introducing outside light into the interior, and a display disposed inside the lighting window and transmitting white light. A stereoscopic vision device, comprising: an object holder; and attaching the display object for stereoscopic vision to the display object holder. 7. The stereoscopic vision apparatus according to claim 6, wherein the display object for stereoscopic vision displays an image portion for a left eye on which an image for a left eye is displayed, and an image for a right eye. A stereoscopic vision device comprising: a right-eye image unit; and both image units are arranged side by side. 8. The stereoscopic vision apparatus according to claim 6, wherein the display object for stereoscopic vision includes one left-eye display piece on which a left-eye image portion is displayed, and a right-eye image portion. A stereoscopic vision device comprising a combination with one of the right-eye display pieces described above. 9. The stereoscopic vision apparatus according to claim 6, wherein the display object for stereoscopic vision is a seal member having an adhesive applied to one surface thereof and detachably attached to the display holder. Stereo vision device. 10. The stereoscopic vision apparatus according to claim 7, wherein the display object for stereoscopic vision includes a left-eye image part group on which a plurality of left-eye images are displayed, and a plurality of right-eye images. A stereoscopic vision apparatus, comprising: a group of right-eye image parts; and one set of combination image parts arranged in one row vertically or horizontally. 11. The stereoscopic vision apparatus according to claim 7, wherein the stereoscopic display object includes a left-eye image group displaying a plurality of left-eye images and a plurality of right-eye images. And a plurality of sets of combined image parts are arranged in the vertical and horizontal directions, and each set of the combined image parts can be cut into one vertical line or one horizontal line. A stereoscopic vision device characterized by the following.