JPH06296755A - Image display device - Google Patents

Abstract

PURPOSE:To reduce the size and cost of an image display device for displaying an image in a plurality of directions by displaying the image in the directions nearby vertical to the optical axis of the display device synchronously with the rotation of a mirror. CONSTITUTION:A half mirror 2 is rotated by a motor 4, and the rotating angle of the half mirror 2 is detected by a sensor 5. The detected rotating angle of the half mirror 2 is transmitted to a computer 7, and when the rotating angle of the half mirror 2 corresponds to any one of directions (a)-(h), the computer 7 supplies the corresponding image information to a display 1 to display it. The optical image displayed on the display 1 is reflected by the half mirror 2, and displayed to a player positioned in the direction nearby vertical to the optical axis of the display 1, for example, in the direction (a). A mask 6 is mounted on and fixed to a rotor 3 so that the image can not be seen from a player positioned in the direction (e).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video game device image display device.

[0002]

2. Description of the Related Art In a conventional video game device in which eight people play at the same time, eight displays are arranged so that the cross section becomes octagonal, and images are displayed to eight players (eight directions). .

[0003]

However, when eight displays are arranged, there is a drawback that the device becomes large and a cost increases.

The present invention has been made in view of the above problems, and an object thereof is to reduce the size and cost of an image display device that displays images in a plurality of directions.

[0005]

In order to achieve this object, an image display device according to the present invention comprises a display device and a mirror for reflecting a display image on the display device in a direction substantially perpendicular to the optical axis of the display device. A drive device for rotating the mirror about the optical axis of the display device and a rotation angle detection means for detecting the rotation angle of the mirror are provided. The drive device is substantially perpendicular to the optical axis of the display device in synchronization with the rotation of the mirror. It is configured to display images in multiple directions.

[0006]

In the image display device having the above structure, the images are displayed in a plurality of directions substantially perpendicular to the optical axis of the display device in synchronization with the rotation of the mirror, so that it is not necessary to arrange a plurality of displays. Therefore, the device can be downsized and the cost can be reduced.

[0007]

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

FIG. 1 shows a first image display device according to the present invention.
It is a perspective view showing an example. FIG. 2 is a side view showing the first embodiment of the image display device according to the present invention.

In FIG. 1, reference numeral 1 is a display of a video game device or the like, which is mounted and fixed with the display surface facing upward. This display 1 has eight directions (a direction to h direction).
In order to display the image to the eight players in the (direction), the image is displayed in a time-sharing manner as described later. The eight directions (directions a to h) are eight directions obtained by dividing the entire circumference (360 degrees) into 45 degrees.

A half mirror 2 is provided above the display 1 so as to be rotatable in the direction of arrow A. The half mirror 2 is attached and fixed to the rotor 3, and the rotor 3 is rotationally driven by the motor 4. Rotor 3
The rotation angle of the (half mirror 2) is detected by the sensor 5. The sensor 5 detects the rotation angle of the rotor 3 (half mirror 2) by a known method of optically reading a code signal (not shown) recorded in the rotor 3.

The optical image displayed on the display 1 is
In the state shown in FIG. 1, it is reflected by the half mirror 2 and displayed on the player in the direction (direction a) substantially perpendicular to the optical axis of the display 1 (see FIG. 2). Multiple directions At this time, the mask 6 is attached and fixed to the rotor 3 so as not to be seen by the player on the left side (direction e) in FIG. The reason why the half mirror 2 is a half mirror is to make it visible from the upper surface (see FIG. 2). If it is not necessary to display on the upper surface,
The mask 6 can be omitted by using the half mirror 2 as a total reflection mirror.

FIG. 3 shows an example of an image displayed by eight players in eight directions (directions a to h).
FIGS. 3A to 3H respectively show images displayed in the a direction to the h direction. This Figure 3 is 2
Although the case where an image in which a person is stereoscopically viewed from eight directions is displayed is illustrated, eight images corresponding to the respective game progresses of eight players can be displayed regardless of stereoscopic viewing. Further, as a matter of course, it is possible to display the same image in a plurality of directions.

FIG. 4 shows a first image display device according to the present invention.
It is a block connection diagram showing an example.

In FIG. 4, the half mirror 2 is rotationally driven by a motor 4, and the rotation angle of the half mirror 2 is detected by a sensor 5. The detected rotation angle of the half mirror 2 is supplied to the computer 7. When the rotation angle of the half mirror 2 corresponds to any of the a direction to the h direction, the computer 7 supplies a corresponding image signal to the display 1 for display. This display is only for a moment (for example, 2/60 sec to 4/60 sec). In this way, in synchronization with the rotation of the half mirror 2,
Images are displayed in a plurality of directions substantially perpendicular to the optical axis of the display 1.

FIG. 5 shows a second image display device according to the present invention.
It is a block connection diagram showing an example. 1 to 4 in the figure
The same reference numerals are given to the same components as those of FIG.

Since the image display device according to the present invention displays images in a time-division manner, the flicker may increase in the first embodiment described above. Therefore, in this embodiment, two sets of the display 1a, the total reflection mirror 2a, the display 1b, and the total reflection mirror 2b are used to reduce the flicker by half as compared with the first embodiment described above.

That is, in FIG. 5, the optical image displayed on the display 1a is reflected by the total reflection mirror 2a and is substantially perpendicular to the optical axis of the display 1 (right side of the drawing).
Displayed to the player in. At the same time, the optical image displayed on the display 1b is reflected by the total reflection mirror 2b and displayed to the player who is in the direction substantially perpendicular to the optical axis of the display 1 (on the left side of the drawing). Since the display is performed in two directions at the same time and the display is performed twice during the rotation cycle of the rotor 3, the flicker can be reduced by half compared to the first embodiment described above.

FIG. 6 shows a third embodiment of the image display device according to the present invention.
It is a perspective view showing an example. In the figure, the same components as those in FIGS. 1 to 4 are designated by the same reference numerals, and a duplicate description will be omitted.

In the above-described first embodiment, since the images are displayed in eight directions, the images in the adjacent directions (for example, the b direction and the h direction with respect to the a direction) may be seen by the player. Therefore, in this embodiment, the polarization filters 8 and 9 are used to block images in adjacent directions.

That is, in FIG. 6, the polarization filter 8 is provided above the display 1, and the half mirror 2 is disposed inside the polarization filter 8. Polarizing filter 8
Is configured as an octagonal prism, and each of the eight planes has a polarization angle of 4
It is attached so that it rotates 5 degrees each. Further, a polarization filter 9 is provided in parallel with the display surface of the display 1. The polarization filter 9 is attached and fixed to the upper portion of the display 1 so that the polarization angle of the polarization filter 9 is parallel to one surface of the polarization filter 8. In this way, the polarization angles of the polarization filters 8 and 9 are
Since the image is rotated by 45 degrees in the adjacent direction, the image of the display 1 can be seen from each direction (a direction to h direction).
You will not be able to see the directional image. In this way, images in adjacent directions can be blocked.

FIG. 7 is a perspective view showing a fourth embodiment in which the image display device according to the present invention is applied to a vertical video game device. As shown in FIG. 7, even an image display device having a plurality of displays can be downsized and the cost can be reduced.

The present invention has been described above with reference to the embodiments.
Various modifications are possible according to the technical idea of the present invention. For example, in the above-described embodiment, the case where images are displayed in eight directions has been described as an example, but the present invention is not limited to eight directions.
The present invention can be applied to reduce the size if there are a plurality of directions such as two directions and sixteen directions.

Further, in the above-described embodiment, the sensor 5 is provided to detect the rotation angle of the half mirror 2, but it is modified so as to detect the rotation angle of the half mirror 2 from the drive signal of the motor 4. You can also

[0024]

As described above, according to the image display device of the present invention, the image is displayed in a plurality of directions substantially perpendicular to the optical axis of the display device in synchronization with the rotation of the mirror. There is no need to line up multiple displays,
It is possible to reduce the size of the device and reduce the cost.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of an image display device according to the present invention.

FIG. 2 is a perspective view showing an example of a conventional image display device.

[Explanation of symbols]

 1 Display 2 Mirror 3 Rotor 4 Motor 5 Sensor 6 Mask 7 Computer 8 Polarizing Filter 9 Polarizing Filter

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[Procedure amendment]

[Submission date] October 14, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0011

[Correction method] Change

[Correction content]

The optical image displayed on the display 1 is
In the state shown in FIG. 1, it is reflected by the half mirror 2 and displayed on the player in the direction (direction a) substantially perpendicular to the optical axis of the display 1 (see FIG. 2). At this time, the mask 6 is attached and fixed to the rotor 3 so as not to be seen by the player on the left side (direction e) in FIG. The half mirror 2 is a half mirror so that the half mirror 2 can be seen from the upper surface (see FIG. 2). When it is not necessary to display on the upper surface, the half mirror 2 is changed to a total reflection mirror. The mask 6 can be omitted.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Name of item to be corrected] 0015

[Correction method] Change

[Correction content]

FIG. 5 shows a second image display device according to the present invention.
It is a side view which shows an Example. In the figure, the same components as those in FIGS. 1 to 4 are designated by the same reference numerals, and a duplicate description will be omitted.

[Procedure 3]

[Document name to be amended] Statement

[Name of item to be corrected] Brief description of the drawing

[Correction method] Change

[Correction content]

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of an image display device according to the present invention.

FIG. 2 is a side view showing a first embodiment of the image display device according to the present invention.

FIG. 3 is a conceptual diagram showing a first embodiment of the image display device according to the present invention.

FIG. 4 is a block connection diagram showing a first embodiment of the image display device according to the present invention.

FIG. 5 is a side view showing a second embodiment of the image display device according to the present invention.

FIG. 6 is a perspective view showing a third embodiment of the image display device according to the present invention.

FIG. 7 is a perspective view showing a fourth embodiment in which the image display device according to the present invention is applied to a vertical video game device.

Claims (3)

[Claims] 1. A display device, a mirror for reflecting a display image of the display device in a direction substantially perpendicular to an optical axis of the display device, and a driving device for rotating the mirror about the optical axis of the display device. A rotation angle detection unit that detects a rotation angle of the mirror, and displays an image in a plurality of directions substantially perpendicular to the optical axis of the display device in synchronization with the rotation of the mirror. Image display device. 2. The rotation angle detecting means comprises rotation range detecting means for detecting that the rotation angle of the mirror is within a predetermined range, and the rotation angle of the mirror is within a predetermined range. The image display device according to claim 1, wherein the display on the display device is performed only while the rotation range detection means detects the image. 3. Two sets of the display device and the mirror are provided, the two sets of the display devices are opposed to each other with a common optical axis, and the two sets of the mirrors are arranged so as to form front and back surfaces. The image display device according to claim 1.