JPH0996779A - Liquid crystal shutter spectacles for wireless stereoscopic vision - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a liquid crystal shutter spectacles for wireless stereoscopic vision capable of freely varying the attitude in accordance with the using situation of the liquid crystal shutter spectacles. SOLUTION: A pair of liquid crystal shutter spectacles is constituted of a spectacles frame part 1 equipped with a light shielding part 5, etc., and a head band part for mounting the frame part 1, and the frame part 1 is provided with a projecting shaft part 9 cylindrically formed so as to turn the frame 1, and a frame supporting part 7 equipped with a frame angle detecting part 10 for detecting the turning angle of the projecting shaft part 9. The head band part 20 is provided with a frame shaft supporting part 22 with a frame angle inspected part for controlling the turn of the projecting shaft part 9 and also where the turning angle is inspected, and a projecting part 23 for controlling the position of the jumping frame part 1. The frame part 1 is turnably constituted so as to correspond to three kinds of position; a stereoscopic vision position, or a two-dimensional vision position, or a mount position where the frame part is detached and stored.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to wireless stereoscopic liquid crystal shutter glasses for viewing a reproduced image in a stereoscopic image reproducing device using a television receiver or the like as a stereoscopic image or a planar image.

[0002]

2. Description of the Related Art Conventionally, several methods have been proposed for liquid crystal glasses for a stereoscopic video reproducing system for viewing a video reproduced on a monitor screen of a video reproducing apparatus as a stereoscopic image.

Among them, as shutter type liquid crystal glasses,
Liquid crystal glasses in which liquid crystal shutters for superposing a liquid crystal element plate and a polarizing plate to perform opening / closing operations of the shutters are respectively arranged in lens parts for the left eye and the right eye are prized.

In the stereoscopic video reproducing system using the liquid crystal glasses, the left-eye image and the right-eye image regarding the reproduced object are alternately displayed on the left and right sides on a monitor screen of a television receiver or the like. A liquid crystal shutter system that obtains a stereoscopic image by binocular parallax by viewing these images through liquid crystal glasses that open and close the shutter alternately in synchronization with a stereoscopic image control signal for image switching transmitted from the outside. The stereoscopic image reproduction system using the wireless stereoscopic eyeglasses is generally used.

As for the liquid crystal shutter type wireless stereoscopic spectacles, for example, in FIG. 1 of Japanese Utility Model Application Laid-Open No. 64-19915 (G02B27 / 22) “Wireless stereoscopic spectacles”, FIG. And a light-receiving element that receives an optical signal for opening and closing the liquid crystal shutter at a position that matches the field of view in a state where the glasses are stereoscopically viewed, and is mounted on the head for wearing the stereoscopic glasses. When the stereoscopic device main unit and the glasses are connected wirelessly by using a headband, etc., and when there is a monitor screen of the stereoscopic device within the field of view of the glasses, the stereoscopic view of the monitor screen is always made with the glasses. The technique to do so is disclosed.

By the way, in the liquid crystal shutter eyeglasses having the structure in which the eyeglasses are supported by the headband as described above, when the eyeglasses are detached from the head and stored, the total height of the eyeglasses becomes high when the eyeglasses are placed. For this reason, it may be difficult to store the glasses in a narrow space such as a storage rack of the TV stand or a drawer of the document rack.

On the other hand, the procedure for viewing the stereoscopic image reproduced on the monitor screen of the stereoscopic image reproducing device through the liquid crystal shutter type wireless stereoscopic eyeglasses is as follows. Change from playback of to stereoscopic image playback. Then, after wearing the stereoscopic eyeglasses on the head, the stereoscopic video is viewed by turning on the power of the liquid crystal shutter of the eyeglasses.

When the viewing of a stereoscopic image by the stereoscopic image reproducing apparatus is stopped, the liquid crystal shutter portion of the stereoscopic eyeglass is first turned off, and then the stereoscopic eyeglass is removed from the head. Then, the reproduction of the stereoscopic image by the stereoscopic image reproducing device is stopped by the remote control operation, and the normal reproduction of the planar image is resumed to view the planar image.

For this reason, when the liquid crystal shutter eyeglasses having the structure of being supported by the headband are used, it is troublesome to reproduce the stereoscopic image by the stereoscopic image reproducing apparatus and to attach and detach the liquid crystal shutter glasses according to the reproduction of the plane image. There was a problem.

In addition, when the stereoscopic image reproducing apparatus is changed to stereoscopic image reproduction or planar image reproduction according to the reproduced video image for viewing, the liquid crystal is displayed together with the operation of changing the reproduction image of the stereoscopic image reproducing apparatus by remote control operation. There is a problem that there are many operations for changing the stereoscopic image reproducing device and the liquid crystal shutter glasses, such as the need to turn on / off the shutter power supply.

[0011]

DISCLOSURE OF THE INVENTION The present invention is to solve the above-mentioned problems. The eyeglass frame portion of the liquid crystal shutter eyeglasses has a stereoscopic position where the liquid crystal shutter is mounted in front of the face, and the liquid crystal shutter is located above the face. There are three modes: a flip-up plan view position and a mounting position where the liquid crystal shutter glasses are detached from the head and stored. The liquid crystal shutter glasses reproduce a stereoscopic image or a planar image and store the liquid crystal shutter glasses. The present invention also provides liquid crystal shutter glasses for wireless stereoscopic viewing, the modes of which can be freely changed according to the usage mode.

Further, in the liquid crystal shutter glasses, the power supply for opening and closing the liquid crystal shutters is controlled to be off by wearing the headband without removing it from the head and by simply flipping up the spectacle frame part above the face. At the same time, there is provided wireless stereoscopic liquid crystal shutter eyeglasses for automatically switching and controlling a monitor screen in a stereoscopic video reproducing apparatus between reproduction of a stereoscopic image and reproduction of a planar image.

[0013]

In order to achieve the above object, the wireless stereoscopic liquid crystal shutter eyeglasses of the present invention are as follows. First, a liquid crystal shutter is provided in each of a pair of left and right lens portions, and the liquid crystal shutter is provided. In the liquid crystal shutter glasses for stereoscopic vision, which open and close alternately according to the switching of the left and right images on the monitor screen in the stereoscopic image reproduction device by receiving a stereoscopic image control signal from the outside, the liquid crystal shutter and the stereoscopic image control An upper light blocking part for blocking external light from above the head and a side light blocking part for blocking extraneous light from the side of the head in the state where the liquid crystal shutter glasses are worn on the liquid crystal shutter glasses, and to the face. A spectacle frame portion having a front light-shielding portion that shields unnecessary extraneous light from the head and a headband portion that is worn on the head so that the spectacle frame portion is positioned in front of the face, In the spectacle frame portion, a protruding shaft portion that bulges from the left-right center of the upper light-shielding portion and is formed into a cylindrical shape so that the spectacle frame portion can rotate, and with the protrusion of the spectacle frame portion provided inside the protruding shaft portion A frame support part having a frame angle detection part for detecting a rotation angle of the protruding shaft part;
The headband portion is formed in a concave cylindrical shape so as to support both ends of the protruding shaft portion in correspondence with the protruding shaft portion, and the rotation moderation of the protruding shaft portion accompanying the splashing of the eyeglass frame portion is increased. A frame shaft having a frame angle detection part that holds and detects a rotation angle of the protruding shaft part by the frame angle detection part, and a projection part that restricts rotation of the frame support part due to flip-up of the eyeglass frame part. A spectacle frame portion is provided with a supporting portion, a stereoscopic view position where the liquid crystal shutter is mounted in front of the face or a plan view position where the liquid crystal shutter is flipped up above the face, or the liquid crystal shutter glasses are removed from the head. It is characterized in that it is configured to be rotatable so as to have three types of storage positions for storage.

Secondly, the spectacle frame unit stops the opening / closing operation of the liquid crystal shutter by the stereoscopic image control signal receiving unit in response to the detection of the planar view position by the frame angle detecting unit. It is characterized by having done.

Thirdly, a control signal for switching the reproduction of the stereoscopic image from the reproduction of the stereoscopic image to the reproduction of the planar image in the stereoscopic image reproduction device is provided to the spectacle frame unit in response to the detection of the planar view position by the frame angle detection unit. It is characterized in that it is provided with a plane image control signal transmitting section for transmitting.

Fourthly, the plane view position detected by the frame angle detecting section is based on the rotation angle of the protruding shaft section accompanying the rotation of the frame supporting section, and the flip-up angle of the eyeglass frame section is at least 70. It is characterized by the position of degree.

Fifth, the plane image control signal transmitting section is positioned downward in a stereoscopic position where the liquid crystal shutter is mounted in front of the face, and the liquid crystal shutter is flipped up above the face. The position is characterized in that it is located in a direction facing the monitor screen.

[0018]

1 to 6 show an embodiment of the wireless stereoscopic liquid crystal shutter glasses according to the present invention, and an embodiment will be described below with reference to the drawings.

The wireless stereoscopic liquid crystal shutter glasses are referred to as liquid crystal shutter glasses in the following description.

FIG. 1 is a perspective view when the liquid crystal shutter glasses are attached to the head, FIG. 2 is a front view and a side view showing the liquid crystal shutter glasses, and FIG. 3 is a part of FIG. 2 for explaining the structure of the liquid crystal shutter glasses. Sectional views, FIG. 4 is an explanatory view for explaining three kinds of modes of liquid crystal shutter glasses when the eyeglass frame portion is rotated, and FIGS. 5 and 6 are explanatory views for explaining detection of a rotation angle based on the rotation of the eyeglass frame portion. is there.

First, in FIG. 1, the liquid crystal shutter glasses are
The eyeglass frame portion 1 and the headband portion 20 are roughly classified.

As shown in FIG. 2, the eyeglass frame portion 1 is provided with liquid crystal shutters 2 corresponding to a pair of left and right eyes on each of the lens portions on the front surface of the frame portion.

Further, the liquid crystal shutter 2 receives a signal transmitted from the stereoscopic image reproducing device, that is, a stereoscopic image control signal according to a left / right image switching of a monitor screen provided in the stereoscopic image reproducing device, and at the same time, the stereoscopic image is displayed. The liquid crystal shutter is alternately opened / closed by the control signal.

As described above, the spectacle frame unit 1 is provided with the stereoscopic image control signal receiving unit 3 for receiving the stereoscopic image control signal near the center of the liquid crystal shutter 2 in the left-right direction.

In the spectacle frame portion 1, with the liquid crystal shutter spectacles put on and the liquid crystal shutter 2 mounted in front of the face, an upper light shielding portion 4 for shielding external light from above the head, from the side of the head. The side light-shielding portion 5 which shields the external light, the front light-shielding portion 6 which shields unnecessary external light to the face, and the frame support portion 7 which rotatably supports the spectacle frame portion 1.

In the upper light-shielding portion 4, the edge portion of the upper light-shielding portion is formed in a shape along the forehead of the head and contacts the forehead portion of the head.

The headband portion 20 is the spectacle frame portion 1
The headband 21 formed from the forehead to the side of the head and the spectacle frame portion 1 formed corresponding to the frame support portion 7 are rotatable in order to mount and hold the eyeglass in front of the face. It is composed of a frame shaft support 22 for holding.

On the other hand, in FIG. 3a showing a partial cross-sectional view in FIG. 2, the frame support portion 7 has an extension portion 8 formed by bulging from the left-right center of the upper light shielding portion 4 and the extension portion. A protruding shaft portion 9 formed in a cylindrical shape to rotatably support the spectacle frame portion at an end portion, and a frame angle detecting portion 10 for detecting a rotation angle of the protruding shaft portion due to the splashing of the spectacle frame portion 1.
And

Then, the protruding shaft portion 9 holds the rotation moderation of the protruding shaft portion 1 associated with the splashing of the spectacle frame portion 1 particularly in the axial direction (left and right direction in FIG. 3a), which will be described later. It comes into close contact with and makes sliding contact.

As shown in the sectional view taken along the line AA of FIG. 3B, in the spectacle frame portion 1, the liquid crystal shutter 2 and the receiving element for receiving the control signal in the stereoscopic image control signal receiving portion 3 are provided. 3a, a frame angle detection unit 10 including a frame angle detection switch 11 for detecting the rotation angle of the frame support unit 7 and an actuator 12, and a transmission element 13a for transmitting the control signal in the plane image control signal transmission unit 13. The built-in substrate 14 is incorporated.

Then, the plane image control signal transmitting section 13
The control signal sent from is a switching signal for switching the stereoscopic video reproduction device from the reproduction of the stereoscopic image to the reproduction of the planar image when the stereoscopic video reproduction device receives the control signal.

Further, since the frame shaft support portion 22 pivotally supports both ends of the protruding shaft portion 9 formed in a cylindrical shape, the frame shaft supporting portion 22 is formed in a concave cylindrical shape corresponding to the protruding shaft portion, and the head band 21 is sandwiched. As described above, the shaft supporting portion upper half body 22a and the shaft supporting portion lower half body 22b are formed to face each other in a substantially U-shape so as to be fitted.

Then, when the liquid crystal shutter glasses are brought to the mounting position where the liquid crystal shutter eyeglasses are detached from the head and brought into the shaft support upper half 22a, they come into contact with the outer peripheral surface 9a of the protruding shaft portion 9 so that A protrusion 23 is provided which prevents the eyeglass frame portion 1 from being flipped up and regulates the rotation of the frame support portion 7.

Next, FIG. 4 is an explanatory diagram for explaining three types of liquid crystal shutter eyeglasses when the eyeglass frame portion is rotated.

FIG. 4a shows a state in which the spectacle frame part 1 is not rotated with respect to the headband part 20, and this state is the stereoscopic position of the liquid crystal shutter glasses in which the user wears the liquid crystal shutters in front of his / her face.

At the stereoscopic position of the liquid crystal shutter glasses, the plane image control signal transmitting section 13 is positioned so as to face downwards of the liquid crystal shutter glasses.

FIG. 4b shows a state in which the spectacle frame portion 1 is rotated 70 degrees with respect to the headband portion 20. In this state, the liquid crystal shutter spectacles are flipped up above the face by the user and the plan view position of the liquid crystal shutter spectacles is shown. Is.

In the plan view position of the liquid crystal shutter glasses, the plane image control signal transmitting section 13 is positioned so as to face the monitor screen provided in the stereoscopic image reproducing apparatus.

That is, the plan view position of the liquid crystal shutter glasses is
A position where the eyeglass frame portion is rotated from the stereoscopic position of the liquid crystal shutter eyeglasses where the user is looking at the monitor screen provided in the stereoscopic image reproducing device to a position where the eyeglass frame portion 1 is out of the user's field of view, a so-called monitor It is a position where the screen can be viewed without a liquid crystal shutter, and is a rotation angle with respect to the headband unit 20 obtained by rotating the spectacle frame unit 1 by at least 70 degrees.

Therefore, with the above structure, the liquid crystal shutter glasses are brought into a stereoscopic view by mounting the liquid crystal shutters in front of the face, and the spectacle frame portion is kept on the face while the headband is still worn on the head. The liquid crystal shutter eyeglasses are brought into a planar view simply by flipping them up and rotating the eyeglass frame, so that it is possible to reproduce a stereoscopic image or a planar image by the liquid crystal shutter eyeglasses without removing the headband from the head. .

Next, FIG. 4c shows a state in which the spectacle frame portion 1 is rotated by 142 degrees with respect to the headband portion 20,
This state is the mounting position of the liquid crystal shutter glasses in which the user removes the liquid crystal shutter glasses from the head and stores them.

The mounting position of the liquid crystal shutter glasses is
The edge of the side light-shielding portion 5 of the spectacle frame portion 1 is at a position flush with the lower edge of the headband portion 20. Further, in order to prevent damage to the spectacle frame portion due to rotation of the spectacle frame portion 1, the frame shaft support portion 22 is provided with a projecting portion 23 that comes into contact with the outer peripheral surface 9a of the projecting shaft portion 9.

Therefore, by removing the headband from the head and rotating the spectacle frame portion to the storage state where the liquid crystal shutter spectacles are placed, the overall height of the spectacles can be lowered. As a result, the liquid crystal shutter eyeglasses can be stored in a narrow space, so that the eyeglasses can be stored in the storage shelf of the television stand or the drawer of the document shelf.

Next, FIG. 5 and FIG. 6 are explanatory views for explaining the detection of the rotation angle based on the rotation of the spectacle frame part, in a state where the spectacle frame part is not rotated and a state where the spectacle frame part is rotated. The rotation angle detection will be described for each of the above.

In the figures, FIGS. 5a and 6a are the same view and show the stereoscopic position of the liquid crystal shutter glasses. Also,
5b and 6b show the relationship between the frame support portion 7 and the frame pivot portion 22 in an enlarged sectional view taken along the line BB. And similarly, FIG. 5c and FIG. 6c, FIG.
The expanded sectional view in the -C line is shown.

First, the frame angle detecting section 10 for detecting the rotation angle of the protruding shaft section 9 at the stereoscopic position of the liquid crystal shutter glasses which does not rotate the spectacle frame section 1 shown in FIG. 5B will be described.

In the figure, a frame angle detecting switch 11 is provided in a frame angle detecting section 10 provided inside the protruding shaft section 9.
Then, the actuator 12 for selectively pressing the pressing surface 11a of the switch is provided.

The actuator 12 is provided with a pressing protrusion 12a on one end side thereof with the substantially center of the actuator as a fulcrum so as to face the pressing surface 11a of the frame angle detection switch 11, and a pressing protrusion 12b on the other end side of the frame shaft. Branch 22
It is provided so as to face the step portion inner peripheral surface 22c formed in a concave shape.

A spring (not shown) is attached to the other end of the actuator 12 so as to urge the pressing protrusion 12b in a direction in which the pressing protrusion 12b is always in contact with a frame angle detected portion 24 described later.

Further, as shown in FIG. 5c, the frame angle detected portion 24 is provided on the stepped inner peripheral surface 22c with which the protruding shaft portion 9 slides.
Is formed.

The frame angle detected portion 24 is formed by the step inner surface 2
2c has an inner peripheral surface 24 of a recess formed concentrically with the inner peripheral circle.
a and the inner peripheral surface front step portion 24b and the inner peripheral surface rear step portion 2 of the concave portion
4c and.

Next, referring to FIG. 6b, the relationship between the frame support portion 7 and the frame pivot portion 22 when the spectacle frame portion 1 is rotated to the plan view position or the mounting position of the liquid crystal shutter spectacles will be described.

In FIG. 6 b, the pressing projection 12 b of the actuator 12 abuts on the inner peripheral surface 24 a of the recess of the frame angle detection portion 24, and the pressing projection 12 a of the actuator 12 presses the pressing surface 11 a of the frame angle detection switch 11. The frame angle detection state is shown.

In FIG. 6c, the actuator 12 and the frame angle detection part 24 detect the position where the rotation of the frame support part 7 becomes 70 degrees due to the flip-up of the spectacle frame part 1, and the frame angle detection switch 11 turns on. The pressed position in plan view is shown.

The detection of the frame angle by the actuator 12 is performed by the pressing protrusion 12b on the inner peripheral surface front stage portion 24b in which the rotation angle of the protruding shaft portion 9 is set to the position of 70 degrees as the actuator 12 rotates. It's time to feel down,
At this time, the pressing protrusion 12a of the actuator 12 presses the pressing surface 11a of the frame angle detection switch 11.

In this state, the power source for opening and closing the liquid crystal shutter is controlled to be off, and the control signal transmitted from the plane image control signal transmitting section 13 causes the stereoscopic image reproducing apparatus to reproduce the stereoscopic image. Switch to image playback.

Next, in FIG. 6d, the actuator 12 and the frame angle detection part 24 detect the position where the rotation of the frame support part 7 becomes 142 degrees due to the flipping up of the spectacle frame part 1, and the frame angle detection switch 11 is detected. It shows the mounting position where the pressing of is released.

The detection of the frame angle by the actuator 12 is carried out by contacting the pressing projection 12b with the rear step portion 24c of the inner peripheral surface in which the rotation angle of the projecting shaft portion is set at the position of 142 degrees and contacting the inner peripheral surface 22c of the step portion. This is when the vehicle is riding up, and at this time, the pressing of the pressing surface 11a of the frame angle detection switch 11 by the pressing protrusion 12a of the actuator 12 is released.

Then, in this state, the transmission of the control signal by the flat image control signal transmission unit 13 is stopped.

Therefore, as described above, the actuator 12
When the frame angle is detected by the frame angle detection part 2
The inner peripheral surface front stage portion 24b of 4 detects the position in plan view, and the power for opening and closing the liquid crystal shutter is automatically turned off by the detection of the position in plan view, so that the liquid crystal shutter is manually turned off. Can be omitted.

Further, upon detection of the position of the stereoscopic image, the plane image control signal transmitting section for transmitting a control signal for switching the stereoscopic image reproducing device to the reproduction of the stereoscopic image operates, and this control signal is automatically transmitted to the stereoscopic image reproducing device. Therefore, it is possible to omit the operation of manually switching the monitor screen in the stereoscopic video reproducing apparatus from the stereoscopic image to the planar image.

Further, the mounting position is detected by the inner peripheral surface rear stage portion 24c of the frame angle detected portion 24, and the detection of the mounting position automatically stops the transmission of the control signal from the plane image control signal transmitting portion. Therefore, it is possible to prevent a malfunction of the stereoscopic video reproducing device upon receiving the control signal.

[0063]

As described above, according to the liquid crystal shutter glasses for wireless stereoscopic vision of the present invention, the spectacle frame portion is splashed at the stereoscopic position where the liquid crystal shutter is mounted in front of the face, and the liquid crystal shutter is splashed on the upper part of the face. Since it is configured to be rotatable in three positions: a raised plan view position or a mounting position where the liquid crystal shutter eyeglasses are detached from the head and housed, the headband is not detached from the head, so that the liquid crystal shutter eyeglasses can be used according to the usage pattern. The mode can be freely changed.

Accordingly, the liquid crystal shutter eyeglasses having a structure in which the eyeglass portion is supported by the headband are a drawback, and the operation of attaching and detaching the liquid crystal shutter eyeglasses according to the reproduction of the stereoscopic image by the stereoscopic image reproducing apparatus and the reproduction of the planar image can be performed. The problem of annoyance can be solved.

Further, by mounting the liquid crystal shutter in front of the face, the liquid crystal shutter glasses are brought into a stereoscopic view state, and the liquid crystal shutter glasses are brought into a plan view state simply by flipping up the spectacle frame portion above the face. The stereoscopic image reproducing device and the liquid crystal shutter glasses are automatically switched from the reproduction of the stereoscopic image to the reproduction of the planar image while the headband is worn on the head.

That is, in the plan view state of the liquid crystal shutter glasses, the frame angle detection section provided in the spectacle frame support section detects the position in plan view, and therefore the power source for opening and closing the liquid crystal shutter is detected by the position in plan view. The control signal is turned off, and a control signal for switching the stereoscopic image reproduction device to the reproduction of the planar image is transmitted from the planar image control signal transmission unit. As a result, it is possible to omit the operation of removing the liquid crystal shutter glasses from the head and turning off the power of the liquid crystal shutter as in the conventional case, and to perform the operation of switching the stereoscopic image reproducing apparatus from the reproduction of the stereoscopic image to the reproduction of the planar image. It can be omitted.

Therefore, the change of the stereoscopic image reproducing device and the liquid crystal shutter glasses, which is a drawback when the stereoscopic image is reproduced or the plane image is appropriately reproduced for viewing depending on the reproduced image of the stereoscopic image reproducing device. It is possible to solve the problem of many operations.

Further, the head band is removed from the head,
By rotating the spectacle frame part to the mounting position where the liquid crystal shutter spectacles are accommodated, the total height of the spectacles can be lowered, so that the liquid crystal shutter spectacles can be pulled out from the TV shelf storage shelf or the document shelf. It has a unique effect that it can be easily accommodated in a narrow space such as.

[Brief description of drawings]

FIG. 1 is a perspective view when wireless stereoscopic liquid crystal shutter glasses are attached to a head.

2A and 2B are a front view and a side view of wireless stereoscopic liquid crystal shutter glasses.

FIG. 3 is a partial cross-sectional view in FIG. 2 illustrating the structure of wireless stereoscopic liquid crystal shutter glasses.

FIG. 4 is an explanatory diagram illustrating three modes of liquid crystal shutter eyeglasses when the eyeglass frame portion of the present invention is rotated.

FIG. 5 is an explanatory diagram for explaining detection of a rotation angle based on rotation of the spectacle frame portion in the present invention, and illustrates rotation angle detection when the spectacle frame portion is not rotated.

FIG. 6 is an explanatory diagram for explaining the detection of a rotation angle based on the rotation of the spectacle frame portion in the present invention, and illustrates the detection of the rotation angle when the spectacle frame portion is rotating.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Glasses frame part 2 Liquid crystal shutter 3 Stereoscopic image control signal receiving part 4 Upper light-shielding part 5 Side light-shielding part 6 Front light-shielding part 7 Frame support part 9 Projection shaft part 10 Frame angle detection part 11 Frame angle detection switch 12 Actuator 13 Plane image control Signal transmission section 20 Headband section 21 Headband 22 Frame shaft support section 23 Projection section 24 Frame angle detected section

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Ippei Ohashi 2-5-5 Keihan Hondori, Moriguchi City, Osaka Sanyo Electric Co., Ltd.

Claims (5)

[Claims] 1. A liquid crystal shutter is provided on each of a pair of left and right lens portions, and the liquid crystal shutter is alternately switched according to a left / right image switching of a monitor screen in a 3D image reproducing apparatus by receiving a 3D image control signal from the outside. In the stereoscopic liquid crystal shutter glasses that open and close, the liquid crystal shutter and the stereoscopic image control signal receiving unit are provided on the front surface of the liquid crystal shutter glasses, and the external light from above the head is shielded when the glasses are worn on the liquid crystal shutter glasses. An eyeglass frame section having an upper light-shielding section, a side light-shielding section that shields external light from the side of the head, and a front light-shielding section that shields unnecessary external light to the face, and the front of the eyeglass frame section in front of the face. A headband portion to be mounted on the head so as to be located at a position, and the spectacle frame portion is bulged from the left-right center of the upper light-shielding portion and the spectacle frame portion is rotatably formed into a cylindrical shape. And a frame support part having a protruding shaft part and a frame angle detecting part which is provided in the protruding shaft part and detects a rotation angle of the protruding shaft part when the spectacle frame part is flipped up. In addition, it is formed in a concave cylindrical shape so as to support both ends of the protruding shaft portion corresponding to the protruding shaft portion, and retains the rotational moderation of the protruding shaft portion accompanying the splashing of the eyeglass frame portion and A frame angle detection part for detecting a rotation angle of the protruding shaft part by the frame angle detection part, and a frame shaft support part having a projection part for restricting rotation of the frame support part due to splashing of the eyeglass frame part, The spectacle frame portion is a stereoscopic position where the liquid crystal shutter is mounted in front of the face, a plan view position where the liquid crystal shutter is flipped up above the face, or the liquid crystal shutter spectacles are detached from the head for storage. Liquid crystal shutter glasses for wireless stereoscopic vision, which are configured to be rotatable so as to have three types of mounting positions to be stored. 2. The spectacle frame unit is configured to stop the opening / closing operation of the liquid crystal shutter by the stereoscopic image control signal receiving unit in response to the detection of the planar view position by the frame angle detecting unit. The liquid crystal shutter glasses for wireless stereoscopic vision according to claim 1. 3. A plane image for transmitting a control signal to the spectacle frame section in response to the detection of the planar view position by the frame angle detecting section, for switching the stereoscopic image reproducing apparatus from reproducing a stereoscopic image to reproducing a planar image. The wireless stereoscopic liquid crystal shutter glasses according to claim 1, further comprising a control signal transmission unit. 4. The plan view position detected by the frame angle detection unit is based on the rotation angle of the protruding shaft unit accompanying the rotation of the frame support unit when the flip-up angle of the eyeglass frame unit is at least 70 degrees. The wireless stereoscopic liquid crystal shutter glasses according to claim 2 and claim 3, wherein the liquid crystal shutter glasses are provided. 5. The plane image control signal transmitting unit is located downward in a stereoscopic position where the liquid crystal shutter is mounted in front of the face, and is in a plane view position where the liquid crystal shutter is flipped above the face. 4. The wireless stereoscopic liquid crystal shutter glasses according to claim 3, wherein the liquid crystal shutter glasses are located in a direction opposite to.