JPH0591582A - Image display device - Google Patents

Abstract

PURPOSE:To make it possible to easily spring up a visual device, to easily stop the use of the device and to improve the fitting of the device to a face. CONSTITUTION:A visual device part 1 is formed like the shape of spectacles and its temple parts 4 are supported by supporting belts 9 so as to be pivoted around hair belt-like members 10 for a headphone 2, so that the visual device part 1 can be sprung up in the direction of a face. In addition fixing arms 13 are fitted to temples 6 so as to hold the sprung-up state of the spectacle part 3 by one-touch operation. A means for exciting the visual device part 1 backward is also provided to improve the fitting of the spectacle part 3 to the face.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image display device, and more particularly to an image display device having a visual device section for viewing a video image and a hair set type headphone.

[0002]

2. Description of the Related Art Conventionally, the problems to be solved by the invention
A viewfinder of a video camera is known as a device for directly seeing it with a small liquid crystal panel, but it cannot be used for the purpose of enjoying images and sounds.

Further, in the invention of Japanese Patent Application No. 63-291935, there is disclosed a technique in which a point light source projects an image on an image plate (film) directly onto the retina of an eyeball. However, in this conventional technique, it is necessary to accurately position the eyepieces on both eyes, and because it is a point light source, there is the inconvenience that the eyelashes and dust on the lens appear as shadows on the image, There was a problem of how to install the audio device.

Conventionally, when a user wants to watch an image at home with a powerful sound on a large screen like a theater,
A large screen was installed in a fairly large room, a large screen was projected by a projector, and a large speaker was used, which required a large and expensive video / audio device.

The present invention was made in view of these problems, and an object thereof is to obtain an image display device that allows users to easily enjoy powerful images and sounds in places other than the theater. is there.

[0006]

The invention according to claim 1 is
A visual device section having a flexible handle portion on both sides while enlarging the image of the liquid crystal panel and projecting it on the retinas of both eyes,
A hair set type headphone in which speakers to be attached to the left and right ears are tied with a flexible hair band-shaped member, and the handle portion is connected to both side portions of the hair band-shaped member, and the visual device portion is The solution to this problem is that the hair set type headphones can be moved back and forth.

According to a second aspect of the present invention, in the above-mentioned first aspect of the invention, an elastic member is interposed between the visual device section and the hair set type headphone to bias the visual device backward. What you have done is the solution.

According to a third aspect of the present invention, in the above-mentioned first aspect of the invention, the hair device is connected to the visual device section so as to be pivotally movable, and the hair device is pivotally moved upward. The solution means is to have a holding means for holding the portable headphones.

According to a fourth aspect of the present invention, similarly to the third aspect of the invention, the hair is held in a state in which the visual device portion and the hair set type headphone are pivotally coupled to each other, and the visual device is pivoted upward. The solution means is to provide a holding means for holding the set type headphones and a mute mechanism for muting the sound of the hair set type headphones in the same state.

[0010]

According to the invention of claim 1, the hair set type headphone and the handle portion of the visual device portion are combined, so that the handle portion of the visual device portion is attached when the hair band-shaped member is worn on the head. The distance between them is decided, and the wearability on the head is high,
The mounting and removal of the device itself becomes easy. In particular, by moving the visual device part forward and backward with respect to the hair-set headphone, it is possible to prevent the visual device from being caught on the face during attachment / detachment. Moreover, since the weight of the visual device portion is applied to the hair set type headphones, it is possible to reduce the weight burden on the face.

According to the second aspect of the present invention, since the visual device unit is biased rearward with respect to the hair-set type headphone by the elastic member, the visual device unit adheres to the face when worn on the head. It has an effect. Therefore, it is possible to prevent external light from entering both eyes and concentrate on the image.

According to the third aspect of the present invention, the visual device can be pivoted with respect to the hair set type headphone, so that the visual device can be flipped up toward the head when the image is not viewed. In addition, since it can be held in that state by using the holding means, it does not disturb the user when the visual device unit is not used.

According to the fourth aspect of the invention, the mute mechanism makes it possible to mute the sound of the hair set type headphones when the visual device section is pivoted toward the head.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the image display apparatus according to the present invention will be described below with reference to the embodiments shown in the drawings.

As shown in FIG. 1, the image display apparatus of this embodiment is roughly composed of a visual device section 1 and hair set type headphones 2.

The visual device section 1 includes a glasses section 3 and handle sections 4 and 4.
And an opaque plate 3a made of plastic is provided on the front surface of the eyeglass section 3 so that light does not enter the inside. The handle portion 4 is composed of a hinge portion 5 made of an opaque material and a handle 6 having flexibility. The hinge portion 5 and the handle 6 are fixed with a rivet 7. The hinge portion 5 is provided with operation knobs 8 and 8 so that, for example, volume adjustment and image brightness adjustment can be performed. Further, on the outer side surface of the handle 6, there are provided support belts 9 having both front and rear ends fixed to the handle 6 with rivets 11, 11 and the hair set type headphone 2 between the support belt 9 and the handle 6. The hair band-shaped member 10 is inserted. As shown in FIG. 3, an elastic belt 12 supported by rivets 11 for supporting the front end of the support belt 9 is provided between the support belt 9 and the handle 6, and the hairband-shaped member 10 is supported by the elastic belt 12. The elastic belt 12 biases backward. Therefore, as shown in FIG. 5, the visual device unit 1 is pulled backward with the hair set type headphones 2 worn on the head so that the glasses unit 3 is brought into close contact with the face.

A fixed arm 13 is supported on the rivets 11, 11 which support the front end of the support belt 9. The fixing arm 13 has a base 13A supported by the rivets 11 and 11, an arm 13B extending rearward and upward, and a fixing projection 13C formed inward from a free end of the arm 13B. This fixed arm 13
As shown in FIG. 6, when the visual device unit 1 is pivoted toward the head and flipped up, the fixing protrusion 13C is hooked on the hair band-shaped member 10. When the visual device unit 1 is not seen, it is possible to remove the glasses unit 3 from the eyes with one touch. A mute mechanism is provided so that a mute switch (not shown) is turned off when the visual device unit 1 is flipped up.

Speakers 15, 15 are provided at both lower ends of the hair band member 10, and the speaker 15 is connected to a connector 20 for connecting to, for example, a VTR via a cord 16. In addition, a remote controller 17 having an operation button 18 and an operation knob 19 is connected in the middle of the cord 16. A clip 17A is formed on the remote controller 17 so that it can be hooked on clothes, for example. Further, as shown in FIG. 1, the cord 21 enables the cord 16 connected to the speaker 15 and the electric substrate 22 in the glasses portion 3 to be connected.

Inside the visual device section 1, as shown in FIGS. 7 and 8, an optical system fixing section 23 and an optical system fixing section 2 are provided.
The liquid crystal panel 24 includes two liquid crystal panels 24, a backlight 25, and an electric board 22.

First, in the optical system fixing portion 23, rectangular nose pads 26, 26 are formed in the inverted V shape by integrally providing the upper edge portions together so that the rectangular nose pads 26, 26 are in the inverted V shape at the center lower part. A part 27, bottom plates 28, 28 extending laterally from the lower edge of the nose pad 26, and a rising plate 29 rising from the rear end edges of the nose pads 26, 26 and the bottom plates 28, 28, From both sides of the nose pad 27 on the rising board 29,
A liquid crystal panel fixing plate 30 extending forward so as to face the nose pads 26, 26 and rising from the bottom plates 28, 28, and extending forward from both side edges of the rising plate 29,
The liquid crystal panel fixing plate 30 is formed of a reflecting mirror fixing plate 31 facing the liquid crystal panel fixing plate 30 at an angle of 45 °.

On the upper surface of each of the nose pads 26, 26 described above, the light from the backlight 25 is applied to the liquid crystal panel fixing plate 3.
Reflecting mirrors 32, 3 so that the light is reflected substantially perpendicularly to 0.
2 is pasted. Also, the liquid crystal panel fixing plate 3
Convex lenses 33 larger than the screen of the liquid crystal panel 24 are fitted in the centers of 0 and 30, respectively. An L-shaped guide portion 30a is formed on the front edge of the solid plate 30 so that the liquid crystal panel 24 can be inserted along the surfaces of the liquid crystal panel fixing plates 30 and 30 that face each other. On the other hand,
On the rising plate 29 side, vertically extending jetties 29a, 29 into which the liquid crystal panel 24 can be inserted between the rising plate 29 and the fixed plate 30.
a is formed. Furthermore, the reflector fixing plates 31, 31
Reflecting mirrors 34 are fixedly mounted on the inner surfaces of the respective. Further, eyepieces 35, 35 are fitted in the rising plate 29 so that the image reflected from the reflecting mirror 34 from the liquid crystal panel 24 side can be seen in an enlarged manner.

The liquid crystal panel 24 and the backlight 25 are
The wiring is provided on the electric board 22 side, and the liquid crystal panels 24 and 2 are provided.
The liquid crystal panel 4 is attached to each of the liquid crystal panel fixing plates 30 and 30, and the backlight 25 and the electric board 22 can be fixed to the upper part of the rising plate 29. Also, the electric board 2
Connectors are provided at both ends of the speaker 2 so as to be connected to the speaker 15 and the wiring on the operation knob 8 side.

As shown in FIG. 9, the backlight 25 is composed of a fluorescent tube 25A and a semi-cylindrical curved mirror 25B, and is adapted to emit parallel light downward.

With this structure, the present embodiment is
The parallel light from the backlight 25 is changed in direction by the reflecting mirrors 32, 32 provided in the nose pad 36, illuminates the liquid crystal panel 24 substantially vertically from the back surface, and transmits the entire screen 24a of the liquid crystal panel 24. The parallel light is condensed by the convex lens 33, reflected by the reflecting mirror 34, and incident on the eyepiece lens 35. The eyepiece lens 35 further collects this incident light. Therefore, when the eye is brought closer to the eyepiece lens 35, the image on the screen 24a of the liquid crystal panel 24 appears enlarged.

As shown in FIG. 5, an eyepiece lens 35
When the user does not see, the image on the liquid crystal panel 24 can be viewed.

Next, the video display circuit 40 built in such a video display device will be described with reference to FIG. The video display circuit 40 includes a battery 44, which is a power source of a liquid crystal panel driving power source 41, a backlight inverter power source 42, and an amplifier power source 43, and a headphone amplifier 45.
A headphone variable device 46 connected to a power / volume control knob, and a liquid crystal bright variable resistor 47 connected to a liquid crystal panel brightness control knob.
A mute switch 48 connected to the headphone amplifier 45 and a video input jack 20 for connecting a video signal from the outside such as a portable video player to the RGB process circuit 49 are provided. The mute switch 48 is turned off by the mute mechanism when the visual device unit 1 is flipped up to mute the sound.

Then, the video signal from the video input jack 20 is input to the RGB process circuit 49 for signal processing. The R (red), G (green), and B (blue) signals processed by the RGB process circuit 49 are input to the controller circuit 50, and each X driver circuit 51 (51 _R , 5).
1 _L), through each Y driver circuit _{52 (52 R, 52 L)} , and drives the liquid crystal panels _{24 (24 R, 24 L)} .

One fluorescent tube 25A, which is a light source for supplying parallel light to the liquid crystal panel 24, is turned on by the backlight inverter power source 42. The liquid crystal panel driving power source 41, the backlight inverter power source 42, and the amplifier power source 43 are turned on / off by a switch 53 provided on the battery 44 side.

Although the embodiment has been described above, the present invention is not limited to this, and various design changes accompanying the gist of the configuration can be made.

For example, in the above embodiment, the visual device unit 1 is biased rearward by using the elastic belt 12 to press the glasses portion 3 against the face, but other biasing means may be used. Of course good.

Further, in the above embodiment, the mute mechanism for muting the sound when the spectacles section 3 of the visual device section 1 is flipped up is provided, but it is also possible to stop the supply of the image at the same time.

[0032]

As is apparent from the above description, according to the present invention, since the handle portion of the visual device portion is connected to the side portion of the hair set type headphone, the distance between the handle portions according to the width of the head is increased. Has an effect that the wearability is improved. Further, since the hair set type headphones carry the weight of the visual device portion, there is an effect of reducing the burden on the face side portion and the ears.

Further, since the visual device portion can be biased rearward, the close contact with the face is enhanced, and there is an effect that unnecessary light is prevented from entering. Therefore, the image can be seen clearly.

Further, since the visual device portion can be pivoted to the hair-set type headphone, the visual device portion may be pivoted (jumped up) toward the head, which may cause trouble, for example, in walking. Absent. In addition, as described above, since the sound can be muted by the mute mechanism in the state of being flipped up, it is convenient in an emergency or when suspending use. In particular, by providing the fixed arm on the handle portion, there is an effect that the flipped-up state can be maintained with one touch.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is a perspective view of an embodiment of the present invention.

FIG. 3 is a partial perspective view of an embodiment of the present invention.

FIG. 4 is a partial perspective view of an embodiment of the present invention.

FIG. 5 is a perspective view showing a usage state.

FIG. 6 is a perspective view showing a usage state.

FIG. 7 is an exploded perspective view of a visual device unit.

FIG. 8 is an exploded perspective view of a visual device unit.

FIG. 9 is an exploded perspective view of a visual device unit.

FIG. 10 is a circuit diagram of this embodiment.

[Explanation of symbols]

1 ... Visual device part, 2 ... Hair set type headphones, 4 ...
Handle, 9 ... Support belt, 12 ... Elastic belt, 13 ... Fixed arm.

Claims (4)

[Claims] 1. A visual device unit that has an enlarged image of a liquid crystal panel and is projected on the retinas of both eyes, and has flexible handle portions on both sides, and a speaker that is attached to left and right ears have flexibility. A hair set type headphone that is tied with a hair band type member, wherein the handle part is connected to both sides of the hair band type member, and the visual device part is movable back and forth with respect to the hair set type headphone. Video display device characterized by. 2. The image display device according to claim 1, wherein an elastic member for urging the visual device portion toward the rear is interposed between the visual device portion and the hair set type headphones. 3. The holding device for pivotally connecting the visual device section and the hair set type headphone and holding the visual device with the hair set type headphone in a state of being pivoted upward. The image display device according to item 1. 4. The image display device according to claim 3, further comprising a mute mechanism for muting the sound of the hair set type headphones in a state where the visual device unit is pivoted upward.