JPH06170035A - Image display device in pachinko machine - Google Patents

Abstract

PURPOSE:To constitute the device so that large virtual screen size can be obtained, even if real size of the screen is small. CONSTITUTION:With respect to an opening part of the nail driving surface F2, a liquid crystal display unit 11 is installed through a fitting implement 13, and in front of a screen 11a, a magnifying lens 12 is provided. The magnifying lens 12 enlarges the screen 11a in accordance with its magnification, and enlarges virtual screen size.

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 for a pachinko machine which can be incorporated in the front of the pachinko machine to provide a player with further interest.

[0002]

2. Description of the Related Art A small television receiver may be incorporated in the front of a pachinko machine (for example, Japanese Patent Publication No.
3076 publication).

This is to install a small television receiver in the center of the nailing surface of a pachinko machine through an appropriate mounting tool. The television receiver is used when a pachinko ball wins a prize, or When it comes off, an arbitrary still image or dynamic image can be displayed, so that the player can experience a more entertaining effect in combination with the acoustic effect generated by the pachinko machine.

[0004] Generally, the nailing surface of a pachinko machine is
In order to complicate the falling path of the hit ball, a large number of nails are driven in, and various decoration mechanisms and winning openings are provided. Therefore, the reality is that the television receiver in this case is limited to a small one having a screen size of about 3 to 4 inches.

[0005]

According to such a conventional technique, since the screen size of the television receiver is limited to a small size, the screen is not powerful, and the effect of incorporating the television receiver is not sufficiently exhibited in many cases. There was a problem of not having. Also, when using a liquid crystal display device as a television receiver, the cost rises extremely depending on the screen size, so it is difficult to adopt a large screen size not only due to physical restrictions but also due to cost restrictions. was there.

Therefore, in view of the problems of the prior art, an object of the present invention is to provide a magnifying lens on the front surface of a liquid crystal display device so that even if the actual size of the screen is small, it is as powerful as a large screen size. An object of the present invention is to provide an image display device in a pachinko machine that can realize a certain screen and is extremely advantageous in terms of cost.

[0007]

The structure of the present invention for achieving the above object is a liquid crystal display unit mounted through an attachment to an opening formed in a nailing surface of a pachinko machine, and a liquid crystal display. The gist of the present invention is to include a magnifying lens arranged on the front surface of the unit.

At least one of the magnifying lens and the liquid crystal display unit can be moved back and forth.

Further, a screen for projecting an image of the liquid crystal display unit can be arranged on the front surface of the magnifying lens.

[0010]

According to the structure of the invention, since the magnifying lens is arranged on the front surface of the liquid crystal display unit, the player sees the screen through the magnifying lens, and therefore, the apparent screen size. Can be larger than the actual size depending on the magnification of the magnifying lens.

When at least one of the magnifying lens and the liquid crystal display unit is movable back and forth, the distance between the two can be changed, so that the apparent screen size can be arbitrarily selected. is there.

Further, if a screen is provided in front of the magnifying lens, the image of the liquid crystal display unit is projected on the screen and can be viewed through the screen. A large apparent screen size can be easily realized.

[0013]

Embodiments Embodiments will be described below with reference to the drawings.

The image display device in a pachinko machine mainly comprises a liquid crystal display unit 11 and a magnifying lens 12 arranged in front of the liquid crystal display unit 11 (FIG. 1).

In general, a pachinko machine has a nail striking face F2 provided on an upper front portion of a frame F through an openable glass window F1 (FIG. 2), and a replenishing plate F3 is provided below the glass window F1.
A ball hitting handle F4, a spare dish F5, etc. are provided.
A large number of nails F2a, F2a ... Are hammered into the nail striking face F2, and the nails F2a, F2a ... are struck in the arrow K direction by operating the striking handle F4.
A complicated fall path can be given. Further, the nailing surface F2 has a plurality of winning openings F2b, F2b ... And a decoration mechanism F2.
c, F2c, etc. are provided, and a predetermined winning ball is returned to the replenishing plate F3 or the spare plate F5 by hitting the launched ball into the winning openings F2b, F2b ...

The glass window F1 is formed by fitting and killing two sheets of glass F1b, F1b with respect to the frame F1a (FIG. 1). It should be noted that the glass F1b and F1b are often made of a general transparent glass plate on the outside and a transparent plastic plate such as an acrylic plate on the inside, and the glass F1b and F1b are arranged between the glasses F1b and F1b regardless of the illustration. It is usual to provide an appropriate gap.

The liquid crystal display unit 11 is mounted via a tubular fitting 13 in an opening B formed in the nail striking face F2 with the screen 11a facing forward. In addition,
A rib B1 is formed on the periphery of the opening B (FIGS. 1 and 2), and a hood B2 that curves upward at the upper portion of the opening B.
Is attached.

The magnifying lens 12 is a convex lens made of general optical glass or transparent plastic material,
It is attached to the front end of the fixture 13. In addition, in general,
The screen 11a of the liquid crystal display unit 11 is a somewhat oblong rectangular shape, so the magnifying lens 12 and the fixture 1
It is also preferable that 3 also be arranged in a horizontally long rectangle when viewed from the front in accordance with it.

Such an image display device has glass F1b, F1
b. Since the screen 11a can be seen through the magnifying lens 12, the apparent screen size at this time can be made larger than the actual size of the screen 11a according to the magnification of the magnifying lens 12. For example, when the actual size of the screen 11a is 3 inches, the apparent screen size is
Obtaining 3.5 inches or 4 inches is quite easy.

The magnifying lens 12 may be a single lens, a compound lens, or a Fresnel lens. Further, the magnifying lens 12 preferably has little astigmatism or chromatic aberration. Further, as the liquid crystal display unit 11, it is preferable to use an illuminated color display having a suitable light source built in, and the image thereof may be either a still image or a dynamic image.

[0021]

Other Embodiments The magnifying lens 12 can be integrally formed with a hood 12a projecting to the front side on the periphery (FIG. 3). In addition, here, the magnifying lens 12 includes the mounting rib 1
It is directly attached to the opening B of the nail striking face F2 via 2b.

The magnifying lens 12 may be integrally formed with the inner glass F1b (FIG. 4A). However, the glass F1b at this time is to be applied to the glass window F1 so that the central axes of the magnifying lens 12 and the screen 11a coincide with each other. The magnifying lens 12 is the inner glass F.
You may make it adhere | attach on the inner surface of 1b (the figure (B)).
Since the magnifying lens 12 can be retrofitted to the glass F1b, there is no trouble in constructing the glass F1b.

The magnifying lens 12 may be detachable from the fixture 13 (FIG. 5).

For example, the magnifying lens 12 has ribs 12c, 12c protruding from the left and right end surfaces thereof (FIG. 7A), and the ribs 12c, 12c are formed in the grooves 13a, 13a formed at the front end of the fixture 13. Can be fitted and mounted.

Further, the projections 1 are formed on the upper and lower end surfaces of the magnifying lens 12.
2d and 12d are provided ((B) in the figure), and the fitting hole 13b corresponding to the protrusions 12d and 12d is provided at the front end of the fixture 13.
13b is provided. However, the fitting holes 13b, 13b are formed on the tongue pieces 13c, 13c that open and close elastically up and down, and therefore, the magnifying lens 12 has the tongue piece 1
3c and 13c are pushed up and down, and the attachment 1
It can be mounted by pushing it in from the front side of 3. A small inclined surface is formed on the inner surface of the tip of each tongue piece 13c, and a stopper 13d for restricting the pushing depth of the magnifying lens 12 is formed on the inner surface of the side surface of the fixture 13.
Are formed.

The liquid crystal display unit 11 can be moved back and forth with respect to the magnifying lens 12 (FIG. 6). The magnifying lens 12 is attached to the front end of the mounting tool 13, and mounting pieces 13f having mounting holes 13e, 13e ... Are erected on the upper and lower surfaces of the mounting tool 13, respectively. Further, downwardly stepped elongated holes 13g, 13g are formed in upper and lower two rows on both side surfaces of the fixture 13, and a notch 13h opening rearward is formed on the bottom surface. A leaf spring 11b is attached to the upper surface of the liquid crystal display unit 11, and both side surfaces are respectively provided.
Screw holes 11c and 11c corresponding to the long holes 13g and 13g are formed. For each screw hole 11c, a long hole 13
The set screw 14 with the washer 14a can be screwed in via g.

The liquid crystal display unit 11 can be attached to the fixture 13 at an arbitrary insertion depth by dropping the set screws 14, 14 ... Into the steps of the elongated holes 13g, 13g. (B)). Also, the notch 13
If the bottom surface of the liquid crystal display unit 11 is pushed up against the leaf spring 11b via h (in the direction of arrow K1 in the figure), the set screws 14, 14 ... Can be pulled out from the step of the elongated holes 13g, 13g. Therefore, the liquid crystal display unit 11 can be moved back and forth along the fixture 13 as it is. In addition, long holes 13g, 13g
It is convenient to numerically display the apparent screen size of the liquid crystal display unit 11 in each stage. For example, when the actual size of the screen 11a of the liquid crystal display unit 11 is 3 inches, the numbers 3, 3.5, and 4 in FIG. 6A are 3 inches and 3.5 inches as apparent screen sizes, respectively. 4 inches is obtained.

The stepped long holes 13g, 13g may be replaced by the through holes 13j, 13j ... Corresponding to each step (FIG. 7 (A)), or instead of the simple long holes 13k, 13k. It is good (Fig. (B)). The liquid crystal display unit 11 in the figure does not have the leaf spring 11b, but simply
Screw holes 11c, 11c corresponding to the set screws 14, 14 ...
Have ...

The liquid crystal display unit 11 is formed integrally with the fixture 13 (FIG. 8), and the magnifying lens 12 can be assembled so as to be movable back and forth with respect to the liquid crystal display unit 11 via another fixture 15. it can. The fixture 15 is a frame body to which the magnifying lens 12 is attached, and is a leg 15a having an engaging projection 15b at its tip end facing rearward,
15a ... are projected. Further, the attachment 13 has an insertion hole 13 corresponding to the legs 15a, 15a, ... Of the attachment 15.
m, 13m ... Are formed in the front-rear direction, and each insertion hole 1
3m includes engaging holes 13n, 1 corresponding to the engaging protrusion 15b.
3n ... are attached. The magnifying lens 12 has a leg 15
are inserted into the insertion holes 13m, 13m, ... And the engagement projections 15b of the legs 15a are elastically engaged with any of the engagement holes 13n, 13n. It is possible to set the distance to and to position. It should be noted that each leg 15a can be bent in the direction of arrow K2 in the figure when the engaging projection 15b is disengaged from the engaging hole 13n.

In each of FIGS. 6 to 8, the liquid crystal display unit 11 and the magnifying lens 12 are used.
Is sufficient if at least one moves back and forth with respect to the other and the distance between them can be adjusted.

The liquid crystal display unit 11 may be provided with a lamp 11e and a reflector 11f as an illumination type, and a screen 16 may be provided in front of the magnifying lens 12 (FIG. 9). An image on the screen 11a can be enlarged and projected on the screen 16. In addition, the lamp 1 is provided behind the screen 11a of the liquid crystal display unit 11.
In order to uniformly correct the illuminance distribution on the screen 11a due to 1e, it is preferable to additionally provide an illuminance adjusting film 11d. As the film 11d, it is possible to use, for example, a transparent film which is printed and displayed by changing the density of minute light reflection dots according to the illuminance distribution by the lamp 11e.

[0032]

As described above, according to the present invention, by disposing the magnifying lens on the front surface of the liquid crystal display unit, the magnifying lens allows the screen of the liquid crystal display unit to have an apparent screen size larger than the actual size. Since it can be expanded to, even if you have to adopt a small screen size physically and costly,
It has an excellent effect that a powerful screen equivalent to a large screen size can be easily realized.

[Brief description of drawings]

1] Overall configuration cross-sectional view

[Fig. 2] Front view in use

FIG. 3 is a sectional view of an essential part corresponding to FIG. 1 showing another embodiment.

FIG. 4 is a view corresponding to FIG. 3 showing another embodiment.

FIG. 5 is an exploded perspective view of essential parts showing another embodiment.

FIG. 6 is a structural explanatory view showing another embodiment.

FIG. 7 is a side view showing another embodiment.

FIG. 8 is a view corresponding to FIG. 5 showing another embodiment.

FIG. 9 is a view corresponding to FIG. 3 showing another embodiment.

[Explanation of symbols]

 F2 ... nail striking surface B ... opening 11 ... liquid crystal display unit 12 ... magnifying lens 13 ... fixture 16 ... screen

Claims (3)

[Claims] 1. A pachinko machine comprising a liquid crystal display unit mounted through an attachment to an opening formed on a nail striking surface of the pachinko machine, and a magnifying lens arranged on the front surface of the liquid crystal display unit. Image display device in. 2. The image display device in a pachinko machine according to claim 1, wherein at least one of the magnifying lens and the liquid crystal display unit is movable back and forth. 3. The image display device in a pachinko machine according to claim 1, wherein a screen for projecting an image of the liquid crystal display unit is provided on the front surface of the magnifying lens.