JPH06141258A - Spectacle type video display device - Google Patents

Abstract

PURPOSE:To prevent the outside edge of a front cabinet constituting a device main (optical system) body from being brought into contact with a face even when a user accidentally falls down while mounting the device main body on his face. CONSTITUTION:A device main body 10 is constituted of a front cabinet 11 and a back cabinet 12. An edge part 11d projecting to the inside of the back edge of the front cabinet 11 is interfit to an edge part 12d projecting to the outside of the front edge of the back cabinet 12. Thus, even when an outside pressure is impressed on the device main body 10, and the device main body is broken when the user falls down while mounting the device main body, the edge part of the back edge of the front cabinet 11 is pushed into the back cabinet 12, so that the back edge part of the front cabinet 11 can be prevented from being brought into contact with the face, making this device safe.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is capable of enlarging and viewing an image such as a video image or a television image displayed on a pair of LCDs (liquid crystal panels) through a pair of eyepieces in a face-worn state. The present invention relates to a spectacle-type image display device that is made possible.

[0002]

2. Description of the Related Art For example, the present applicant has proposed an eyeglass-type image display device capable of viewing video images and the like using an LCD.
It is disclosed in Japanese Patent Application No. 3-251667. This similar structure will be briefly described with reference to FIGS.
Reference numeral 00 denotes a spectacle-type image display device, which is a substantially casing-type device main body 101 as a front frame thereof, and a pair of handles 102 and 102 foldably attached to both sides of the device main body 101 by hinge portions 102a. It is a glasses type. An inverted V-shaped reflecting mirror 103 is attached on the inverted V-shaped nose pad 101a in the lower center of the apparatus body 101. A fluorescent tube 10 is provided above the reflecting mirror 103.
4, a pair of color liquid crystal panels (image display means) 105, 105 are provided upright on both sides of the reflecting mirror 103 so as to straddle the nose pad 101a. In each of the color liquid crystal panels 105, a convex condensing lens 106 is arranged substantially integrally with the color liquid crystal panel 105 via a deflecting plate 107. Further, a pair of convex eyepieces 10 are provided on the left and right eyeballs A, A side in the apparatus body 101.
8 and 108 are arranged respectively, and a pair of rectangular plate-shaped reflecting mirrors 109 and 109 are provided between the pair of condenser lenses 106 and 106 and the pair of eyepieces 108 and 108 in the apparatus main body 101. They are arranged respectively. Incidentally, FIG.
Reference numeral 110 of 4 denotes an earphone attached to each handle 102.

Then, as shown in FIG. 24, the pair of color liquid crystal panels 10 are mounted on the face by mounting the above-mentioned spectacles-type image display device 100 on, for example, a small portable VTR (not shown).
The images projected on the lenses 5 and 105 are illuminated by the fluorescent tube 104, and the pair of condenser lenses 106 and 106 to the pair of reflecting mirrors 109 and 109 and the pair of eyepieces 108 and 10 are used.
8 is enlarged and projected on each retina a of the left and right eyeballs A and A (that is, a pair of color liquid crystal panels 105 and 10).
The image formed by 5 is reflected by the pair of reflecting mirrors 109, 109 so that the virtual image magnified by the pair of eyepieces 108, 108 comes to the position of the clear visual distance).

[0004]

In the above-mentioned conventional eyeglass-type image display device 100, the device body 101 was formed in the shape of, for example, ski goggles. However, the device body 101 was fallen down with the device body 101 mounted on the face. The device main body 10
When the device body 101 is destroyed by applying pressure to 1, there is a risk that the outer end of the goggle-shaped outer frame may hit the face.

When the apparatus body 101 is worn on the face, the apparatus body 101 is supported by placing a nose on the inverted V-shaped nose rest 101a in the lower center of the body 101. However, due to individual differences such as the height of the nose and the position of the eyeball, the pair of eyepieces 108, 108
It was difficult to adjust the distance between the eyeball A and each eyeball A to an appropriate distance. In order to compensate for this drawback, it is necessary to make each eyepiece lens 108 and each transparent window plate 111 large. However, if each eyepiece lens 108 and the like are made large, the apparatus main body 101 becomes large and the pair of handles 102, The weight of 102 is too heavy.

Therefore, the present invention provides a spectacle-type image display device which is safe even when it falls over in a mounted state and which can easily adjust the distance from the eyeball to the eyepiece.

[0007]

The invention according to claim 1 is
In a spectacle-type image display device in which each image of a pair of image display means provided in a casing-type device body is magnified by a pair of eyepieces and projected on the retinas of the left and right eyeballs, The cabinet is composed of a cabinet and a rear cabinet, and an edge projecting inward of the rear edge of the front cabinet and an edge projecting outward of the front edge of the rear cabinet are fitted together.

According to a second aspect of the present invention, spectacles adapted to magnify each image of a pair of image display means provided in a casing-type device body by a pair of eyepieces and project the images on the retinas of the left and right eyeballs. In the type image display device, operation knobs are provided at positions of the device body facing the respective fingers holding the device body with an index finger and a thumb.

According to a third aspect of the present invention, eyeglasses configured to magnify each image of a pair of image display means provided in a casing-type device body by a pair of eyepieces and project the images on the retinas of the left and right eyeballs. In the type image display device, an inverted V-shaped nose relief portion is provided in the lower center of the device body, and a nose pad is provided at the nose relief portion so as to be movable in the front-back and up-down directions.

According to a fourth aspect of the present invention, an operating member for moving the nose pad back and forth and an operating member for moving the nose pad up and down are provided in the apparatus body.

[0011]

According to the first aspect of the present invention, the rear edge of the front cabinet enters into the rear cabinet even if the device body is destroyed by the pressure applied to the device body due to a fall or the like while the device body is mounted. Because it is safe, the rear edge of the front cabinet does not hit the face.

According to the second aspect of the present invention, since the fingers are naturally positioned at the positions of the respective operation knobs when the device main body is grasped by the index fingers and the thumbs of both hands, the apparatus main body can be grasped with one hand. The operating knob can be easily operated with the finger of one hand.

According to the third aspect of the present invention, the position of the nose pad with respect to the nose relief portion of the apparatus body is adjusted by moving the nose pad in the front-back and up-down directions. As a result, the distance between each eyeball and the pair of eyepieces is adjusted to an optimum length, and it is not necessary to increase the size of the eyepieces more than necessary.

According to the invention of claim 4, the nose pad is moved forward and backward by operating each operating member.
Move up and down respectively. As a result, the position of the nose pad with respect to the nose relief portion of the device body is easily adjusted.

[0015]

Embodiments of the present invention will be described in detail below with reference to the drawings.

In FIGS. 1 to 3, reference numeral 1 denotes an eyeglass-type image display apparatus, which is a substantially casing-type apparatus body 10 which is located in front of the face when worn on the head and serves as an eyeglass section, and the apparatus body 10.
A pair of handles 20 foldably attached to both sides of the back of the
20 and an optical visual device 2 housed in the device body 10 and composed of a backlight 30 and a pair of optical visual units 40, 40.

The apparatus main body 10 is made of an opaque synthetic resin and has a front cabinet 11 having an inverted U-shaped cross section, and, as shown in FIG. 12, an edge portion 11d protruding inward of a rear edge of the front cabinet 11, The rear cabinet 12 made of an opaque synthetic resin into which a rim portion 12d protruding to the outside of the front edge is fitted to form a hollow casing type is configured in a substantially casing type. As shown in FIGS. 1 and 12, the rear cabinet 12 has an upper piece portion 12a, a rear piece portion 12b, and a lower piece portion 12c formed in a U-shaped vertical cross section. A pair of columnar hinge portions 13, 13 are provided on the shaft. The pair of hinge portions 13 and 13 are mounted on the rear cabinet 12 in the holder 1
The support shaft 14 is rotatably supported via the shafts 5, and is fixed to both ends of the support shaft 14 so as to be rotatable together with the support shaft 14. Further, in the center of the rear piece portion 12b and the lower piece portion 12c of the rear cabinet 12, there is formed a nose relief portion 16 recessed in a substantially triangular shape on the front side, and the nose relief portion 16 of the rear piece portion 12b is formed. A pair of rectangular eyepiece windows 17 and 1 are provided on both sides of the sandwich.
7 are opened respectively. This pair of eyepiece windows 17,
As shown in FIG. 7, rectangular transparent transparent window plates 18 made of polycarbonate or the like are attached to the window 17. A black matte print 19 as a matte means is applied to the outer peripheral edge of each transparent window plate 18 except for the optical system range.

As shown in FIGS. 1 to 6, the pair of handles 2
Numerals 0 and 20 are each made of a synthetic resin and have a square tube-shaped first handle 21.
Each second handle 22 made of a metal plate that is inserted and fitted in each first handle 21 and can be freely put in and taken out (moved forward and backward) in an arbitrary position, and each second center 22 of the inner surface of each first handle 21. It is configured to form a ring shape (annular shape) with a strip-shaped pad 25 in which the hook portions 25a at both ends are detachably supported by three pins 24 arranged vertically parallel to the U-shaped portion 23, The rear cabinet 12 of the apparatus main body 10 is prevented from directly contacting the forehead via the pad 25. This pair of handles 2
The tip projections 21a of the first handles 21 of Nos. 0 and 20 are pin-pivotally supported in the recesses 13a formed in the pair of hinges 13 and 13, respectively.

A knob portion 22a attached to the tip side of each of the second handles 22 is slidably arranged along the slot 21b of each first handle 21. As a result, each second handle 22 moves back and forth (expands and contracts). A ratchet 2 in the shape of a leaf spring is attached to the tip of each second handle.
8 is projected. As shown in FIG. 10, the lower crests 28a of the ratchet 28 are detachable from the respective troughs 21c formed in the first handle 21 at equal intervals. The valleys 21c are formed by changing the inclination angle of the valley holes on the extension side and the contraction side so that the second handle 22 is tight when the second handle 22 extends with respect to the first handle 21 and is loosely locked when the second handle 22 contracts. As a result, when the pair of ring-shaped handles 20 and 20 are squeezed, they can be squeezed with a light force, and it is difficult for the pair of handles 20 to be loosened once they have been attached, and the loosening at the time of attachment can be prevented.

Further, the base end portion 22b of each of the second handles 22 described above.
Flexible rubber plates 26 and 27 are fixedly attached to the base plate.
A gourd-shaped engagement hole 26a is formed in one rubber plate 26 fixed to the second handle 22 on the right side. Further, a T-shaped boss 27a is integrally formed on the other rubber plate 27 fixed to the left second handle 22. The boss 27a of the other rubber plate 27 is freely engageable with and disengageable from the engagement hole 26a of the one rubber plate 26. As shown in FIG. 5, a connection cord 29 connected to, for example, a portable video player or a TV tuner is attached to the base end side of the left first handle 21.

As shown in FIGS. 1 and 11, the backlight 30 of the optical visual device 2 has a substantially semi-cylindrical reflector (reflecting mirror) 31 and one elongated member disposed in the reflector 31. In front of the fluorescent lamp 32, a power supply unit 33 for supplying power to the fluorescent lamp 32, the reflector 31,
It is composed of a pair of shafts 34, 34 and the like, which are bridged over the respective protruding portions 31a, 31b protruding to the rear surface.

The pair of optical vision units 40, 40 of the optical vision device 2 are slidably supported by a pair of shafts 34, 34 arranged on the front and rear sides of the reflector 31, for the left eye and the right. A pair of lens barrels 41, 41 for eyes
And an LCD holder 4 arranged in each of the lens barrels 41 so as to be vertically movable by a shaft or the like (not shown).
2, a diffusion plate 43 attached to the upper side of the LCD holder 42, a transmissive color liquid crystal panel (image display means) 44 attached to the LCD holder 42, and an LCD in each lens barrel 41. It is composed of a reflecting mirror (reflecting plate) 45 which is obliquely fixed below the holder 42, and an eyepiece lens 46 which is vertically fixed to the back side of each lens barrel 41.

The pair of optical vision units 40 and 4 are provided.
The pair of lens barrels 41, 41 of 0 have a convergence angle of 2 ° to 8 ° with respect to each shaft 34 (in this embodiment, the convergence angle is set to 6 °). Each front side is slightly inclined to the center side of the reflector 31.

Further, the pair of optical vision units 40,
Reference numeral 40 denotes a lower piece portion 12 of the rear cabinet 12 of the apparatus body 10.
In order to adjust the interpupillary distance in the horizontal direction by the interpupillary adjustment mechanism including a pair of interpupillary adjustment knobs (operation knobs) 47L and 47R for the left and right eyes provided on the c side so that the pupils can be moved toward and away from each other in the horizontal direction. It has become. Further, the pair of LCD holders 42, 42 of the pair of optical vision units 40, 40 are provided with a pair of left and right diopter adjustment knobs provided on the upper piece 12a side of the rear cabinet 12 of the apparatus body 10. (Operating knobs) The diopter adjusting mechanism including 48L and 48R vertically moves up and down to adjust diopter (focus adjustment) separately for both eyes. At the time of this diopter adjustment, for example, when adjusting the diopter of the optical vision unit 40 for the left eye, the test switch 49R arranged on the right side of the upper surface of the front cabinet 11 is pressed to push the color liquid crystal panel 44 for the right eye. The black image is displayed, a test pattern is displayed on the image of the color liquid crystal panel 44 for the left eye, and the diopter adjustment knob 48L for the left eye can be moved to focus without winking. . Further, also when adjusting the diopter of the optical vision unit 40 for the right eye, the same as the left eye side by the test switch 49L arranged on the left side of the upper surface of the front cabinet 11 and the diopter adjustment knob 48R for the right eye. Then you can focus on the right eye side.

Further, as shown in FIG. 1, a pair of earphone accommodating mechanisms 50, 50 for winding the cord 52 of the earphone 51 are arranged on both sides of the apparatus body 10. Each earphone storage mechanism 50 has a storage case 53 that stores the earphone 51, a reel 54 that is rotatably supported in the storage case 53, and that winds the cord 52 of the earphone 51, and the reel 54 that is connected to the earphone 51. Code 52
The spring is generally composed of a spring spring, etc. (not shown) that urges the spring in the winding direction.

According to the spectacles-type image display device 1 of the above embodiment, when the device body 10 is mounted on the head, the second handle 22 of the pair of handles 20 and 20 in a ring shape is held by the knob portion 2.
The first handle 21 is slid through 2a to adjust its length to the head and then mounted. Next, the pair of transparent window plates 18, 1 of the rear cabinet 12 of the apparatus body 10 described above.
8, and each eye width adjustment knob 47 on the lower side of the apparatus body 10
Slide R and 47L separately to the left and right to match the left and right eyes. As a result, even if the user has a slightly different distance between the nose and the left and right eyeballs A, A, the positions of the eyepieces 46 of the pair of optical vision units 40, 40 are surely located at the positions of the left and right eyeballs A, A of the user. Can be adjusted to

Then, as shown in FIG. 11, the apparatus main body 1
The lower side of 0 is rotated to the face side about the support shaft 14 which is the rotation center of the pair of hinge portions 13 and 13, and the optical axis C ₁ of the optical system of the pair of optical vision units 40 and 40 is set to the eyeball A. Accurately align on the optical axis C ₀ . After that, the diopter adjustment of the pair of optical vision units 40, 40 is performed. in this case,
Each diopter adjustment knob 48R, 4 on the upper side of the device body 10
Slide 8L separately to the left and right to move the left and right eyeballs A,
Match to A respectively. For example, when adjusting the diopter of the right-eye optical vision unit 40, slide the diopter adjustment knob 48R on the right side and press the test switch 49L on the left side of the upper surface of the front cabinet 11 to press the left color liquid crystal panel 44. Make the image black before doing it. Further, the diopter adjustment of the left-eye optical vision unit 40 is performed in the same manner as the diopter adjustment of the right eye by pressing the right test switch 49R on the upper surface of the front cabinet 11 and moving the left diopter adjustment knob 48L. To do.

Next, a pair of earphones 51, which are slightly protruding from both sides of the rear cabinet 12 of the apparatus body 10,
51 is pulled out from each of the storage cases 53 of the pair of earphone storage mechanisms 50, 50 stored on both sides in the apparatus main body 10 and inserted into the outer ear, and then the pair of optical visual units 40, 40 from a portable video player or the like. When an image is displayed on each color liquid crystal panel 44, the light emitted from one fluorescent lamp 32 of the backlight 30 is reflected by the reflector 31 and illuminates each color liquid crystal panel 44 as parallel light.
The transmitted light of the irradiated light is reflected by each reflection mirror 45, and an image viewed as transmitted light by each eyepiece lens 46 can be enlarged and viewed on the retinas a of the left and right eyeballs A, A, and The earphones 51 allow the audio of the image to be heard. It is also possible to enjoy stereoscopic video by displaying the left and right video signals generated based on the principle of stereoscopic display of binocular parallax on the left and right color liquid crystal panels 44, respectively.

At this time, as shown in FIG. 11, since each eyepiece 46 of each optical vision unit 40 can be brought as close as possible to each eyeball A, each color liquid crystal panel is passed through each transparent window plate 18. You can see 44 clear images. Further, even if the outside of the eyepiece lens optical system range (adhesive portion of the periphery of the transparent window plate 18) on the peripheral portion of each of the transparent window plates 18 is exposed to light from the outside, matte black or the like is applied to this portion. The portion of the print 19 reduces the amount of externally reflected light. As a result, unnecessary surface reflection of external light at the peripheral edge of each transparent window plate 18 is prevented, and unnecessary light other than the image of each color liquid crystal panel 44 does not enter each eye A, and each transparent window is prevented. A clear image of each color liquid crystal panel 44 can be seen through the plate 18, and the quality of the image itself can be improved. Further, even if each eyepiece lens 46 of each optical unit 40 and each eyeball A are brought as close as possible to each other, a clear image of each color liquid crystal panel 44 can be seen, so the diameter of each eyepiece lens 46 should be reduced. Therefore, the size of each optical visual unit 40 can be further reduced.

Further, the pair of handles 20 and 20 are respectively attached to the first
The handle 21 and the second handle 2 that moves back and forth with respect to the first handle 21.
Since the base end portions 22b of the respective second handles 22 are detachably attached by the engagement holes 26a and the bosses 27a, the pair of handles 20, 20 have different head sizes depending on individual differences. It can be set in a ring shape that fits all.
As a result, the device body 10 can be securely mounted in front of the face without giving a heavy load to the pair of handles 20, 20. Further, since the pair of handles 20 and 20 can be folded with respect to the pair of hinge portions 13 and 13, the pair of handles 20 and 20 can be folded to be compact after use of the eyeglass-type image display device 1. It can be put together and has good portability.

Further, as shown in FIGS. 14 and 15, the hook portions 25a at both ends of the pad 25 are locked to the front pin 24 and the rear pin 24 standing on the U-shaped portion 23 of the first handle 21. Thus, the spanning length of the pad 25 can be adjusted. By this adjustment, the distance between the device body 10 and the forehead can be adjusted. Further, the pad 25 prevents the back side of the device body 10 from directly hitting the forehead, and improves the air permeability between the device body 10 and the forehead. As a result, heat transfer between the device body 10 and the head is eliminated, and it is possible to reliably prevent stuffiness that tends to occur around the eyes due to the heat of the device body 10 or the like.

Further, when the apparatus main body 10 is erroneously tumbled with the apparatus main body 10 attached, pressure is applied to the apparatus main body 10 so that the apparatus main body 10 is crushed and the peripheral edges of the front cabinet 11 and the rear cabinet 12 are fitted together. Even if the match state is lost,
Edge 1 protruding inward of the rear edge of the front cabinet 11
1d is the rear cabinet 1 as shown by the one-dot chain line in FIG.
Since it enters into the upper and lower pieces 12a and 12c of the upper part 2 and is stopped, the end of the rear edge of the front cabinet 11 does not hit the face and is safe. Further, as shown in FIG. 13, when the device body 10 is grasped by the index fingers Y and thumbs X of both hands, the diopter adjustment knobs 48R and 48L and the interpupillary distance adjustment knobs 47L and 47R are located at the positions of the fingers Y and X, respectively. Is located naturally, so that the adjustment knobs 48R, 48L are grasped by the fingers Y, X of the other hand while the apparatus body 10 is held by one hand.
And 47L and 47R can be easily operated.

16 to 22 show another embodiment. Figure 1
As shown in FIGS. 6 and 17, the eyeglass-type image display device 1 ′ of the other embodiment is different from the above-mentioned embodiment in that the nose pad drive mechanism 60 is provided in the central portion of the device body 10.
Since other configurations are similar to those of the above-described embodiment, the same reference numerals are given and detailed description will be omitted.

The nose pad drive mechanism 60 is provided with a first operation dial (operation member) 61 rotatably supported on the upper surface of the apparatus main body 10 and a rack portion 62a on the first operation dial 61. A first unit that moves in the vertical direction in the apparatus main body 10 by meshing with the gear 63
The cam 62 and the second operation dial (operation member) 6 which is slightly exposed on the upper surface side of the apparatus body 10 and is rotatably supported.
4, a second cam 65 for moving the rack portion 65a in the second operation dial 64 through the gear 66 to move in the front-rear direction in the apparatus main body 10, and the first cam 62.
Of the pair of shafts 6 inserted into the horizontally long cam groove holes 62b and the vertically long pair of cam groove holes 65b, 65b of the second cam 65.
Planar U-shaped pad bracket 67 having 8,68
And an inverted V-shaped nose pad 69 fixed to the tip side of the pad bracket 67 and exposed to the inverted V-shaped nose relief portion 16 at the lower center of the apparatus body 10.

Then, as shown in FIGS.
When the operation dial 61 is turned, the first cam 62 moves in the vertical direction, and the pad bracket 67 moves in the vertical direction by the pair of shafts 68, 68 inserted in the cam groove holes 62b of the first cam 62. As a result, the nose pad 69 moves vertically. Further, as shown in FIG. 22, when the second operation dial 64 is turned, the second cam 65 moves in the front-rear direction, whereby the pair of shafts 68 inserted into the pair of cam groove holes 65b, 65b of the second cam 65 are inserted. , 6
8, the pad bracket 67 moves in the front-back direction.
As a result, the nose pad 69 moves in the front-rear direction.
In this way, since the nose pad 69 can be adjusted in the up-down direction and the front-back direction, the position of the device body 10 can be adjusted according to individual differences in the height of the nose and the position of the eyes. Pair of eyepieces 4 arranged in the
The distance between 6, 46 and each eyeball A can be adjusted to an optimum length.

Further, since the operation dials 61 and 64 for moving the nose pad 69 in the vertical and forward and backward directions are provided on the upper surface of the apparatus body 10, the nose pad 69 can be attached even when the apparatus body 10 is mounted on the face. By rotating each of the operation dials 61 and 64, it is possible to easily move them up and down and in the front-rear direction. Further, since the distance between the pair of eyepieces 46, 46 and each eyeball A can be adjusted to an optimum length, it is not necessary to increase the size of each eyepiece lens 46 and each transparent window plate 18 more than necessary. .

According to the other embodiment, the nose pad is fixed to the pad bracket. However, the nose pad having a different shape is detachably attached to the pad bracket so that the individual nose pad or the like is attached. A replacement method that can cope with the difference may be adopted.

[0038]

As described above, according to the first aspect of the present invention, each image of the pair of image display means provided in the casing-type device main body is enlarged by the pair of eyepieces to the left and right. In a spectacle-type image display device adapted to project onto the retina of the eyeball, the device body is composed of a front cabinet and a rear cabinet, and an edge portion protruding inward of the rear edge of the front cabinet and the front edge of the rear cabinet. Since the edge protruding to the outside of the device is fitted, even if pressure is applied to the device body due to a fall or the like while the device body is mounted and the device body is destroyed, the rear edge of the front cabinet is in the rear cabinet. It is safe because it can enter and be stopped so that the rear edge of the front cabinet does not hit the face.

According to the second aspect of the invention, the device body is gripped by arranging the operation knobs at the positions of the device body facing the respective fingers holding the device body with the index finger and the thumb. Sometimes, each finger naturally comes to the operation knob, so that each finger can easily operate each operation knob.

According to the third aspect of the present invention, an inverted V-shaped nose relief portion is provided at the lower center of the apparatus body, and a nose pad is provided at the nose relief portion so as to be movable in the front-rear direction and the up-down direction. Therefore, the distance from each eyeball to the pair of eyepieces can be adjusted to an optimum length by adjusting the front and rear positions and the upper and lower positions of the nose pad.

According to the invention as set forth in claim 4, since the operating member for moving the nose pad back and forth and the operating member for moving the nose pad up and down are respectively arranged in the main body of the apparatus, the front and rear and vertical positions of the nose pad are arranged. Can be easily adjusted by operating each of the operating members.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an eyeglass-type image display device showing an embodiment of the present invention.

FIG. 2 is a plan view of the eyeglass-type image display device.

FIG. 3 is a front view of the eyeglass-type image display device.

FIG. 4 is an explanatory diagram of a connecting portion of a pair of handles of the eyeglass-type image display device.

FIG. 5 is a left side view of the eyeglass-type image display device.

FIG. 6 is a right side view of the eyeglass-type image display device.

FIG. 7 is a rear view of the device body of the eyeglass-type image display device.

FIG. 8 is a bottom view of the apparatus body.

FIG. 9 is a perspective view of a main part of a handle of the eyeglass-type image display device.

FIG. 10 is a sectional view of a main part of the handle.

FIG. 11 is an explanatory diagram of use of the eyeglass-type image display device.

FIG. 12 is a sectional view of the apparatus body.

FIG. 13 is a front view showing a relationship between an operation knob of the apparatus body and a finger.

FIG. 14 is an explanatory diagram of use of the eyeglass-type image display device.

FIG. 15 is an explanatory diagram of the use of the eyeglass-type image display device.

FIG. 16 is a perspective view of a glasses-type image display device of another embodiment.

FIG. 17 is a perspective view of a spectacle-type image display device of another embodiment as seen from the back side.

FIG. 18 is a perspective view of a nose pad drive mechanism used in the eyeglass-type image display device according to another embodiment.

FIG. 19 is a side view of the nose pad drive mechanism.

FIG. 20 is a perspective view of a nose pad used in the nose pad drive mechanism.

FIG. 21 is an operation explanatory view of the nose pad drive mechanism.

FIG. 22 is an operation explanatory view of the nose pad drive mechanism.

FIG. 23 is a schematic configuration diagram of a conventional eyeglass-type image display device.

FIG. 24 is a perspective view showing a usage state of a conventional eyeglass-type image display device.

[Explanation of symbols]

1, 1 '... Glasses type image display device 10 ... Device body 11 ... Front cabinet 11d ... Edge part 12 ... Rear cabinet 12d ... Edge part 16 ... Nose relief part 44, 44 ... A pair of color liquid crystal panels (a pair of image display means) ) 46, 46 ... A pair of eyepieces 47L, 47R ... Interpupillary adjustment knob (operation knob) 48L, 48R ... Diopter adjustment knob (operation knob) 61 ... First operation dial (operation member) 64 ... First operation dial ( Operation member) 69 ... Nose pad A ... Eyeball a ... Retina X ... Thumb Y ... Index finger

Claims (4)

[Claims] 1. A spectacle-type image display device in which each image of a pair of image display means provided in a casing-type device body is magnified by a pair of eyepieces and projected on the retinas of the left and right eyeballs, The apparatus main body is composed of a front cabinet and a rear cabinet, and an edge portion protruding inward of a rear edge of the front cabinet and an edge portion protruding outward of a front edge of the rear cabinet are fitted to each other. Eyeglass type image display device. 2. An eyeglass-type image display device, wherein each image of a pair of image display means provided in a casing-type device body is magnified by a pair of eyepieces and projected on the retinas of the left and right eyeballs. An eyeglass-type image display device, characterized in that operation knobs are provided at positions of the device body facing the respective fingers gripping the device body with an index finger and a thumb. 3. An eyeglass-type image display device in which each image of a pair of image display means provided in a casing-type device body is magnified by a pair of eyepieces and projected on the retinas of the left and right eyeballs. An eyeglass-type image display device, characterized in that an inverted V-shaped nose relief portion is provided in the center of the lower side of the device body, and a nose pad is provided at the nose relief portion so as to be movable back and forth and up and down. 4. The eyeglass-type image display device according to claim 3, wherein an operating member for moving the nose pad back and forth and an operating member for moving the nose pad up and down are provided in the apparatus body. Video display device.