JP2003295805A - Image switching device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image switching device in which a plurality of images are easily observed without performing any work by a user. <P>SOLUTION: The image switching device is provided with a housing section movably housing image cards displaying at a given pitch many image data obtained by linearly separating a plurality of respective images; a lenticular lens arranged proximately with respect to the display surface of each of the image cards and optically synthesizing at least one image of the plurality of images displayed on each of the image cards; and a card position moving means successively repeatedly moving the image cards to a position permitted to optically synthesize each image displayed on the image cards by the lenticular lens. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display method for displaying a stereoscopic image, switching of a plurality of different images, and continuous changes of images by utilizing the characteristics of a lenticular lens.

[0002]

2. Description of the Related Art A technique for displaying a plurality of images on the same screen by utilizing the characteristics of a lenticular lens is well known. For example, aligning the pitch on an image card that displays a large number of image data obtained by dividing each of a plurality of images into a linear pattern at a constant pitch, and attaching a lenticular lens with an adhesive to form an image card and a lenticular. There is one in which a lens is integrated and each of a plurality of images displayed on an image card can be visually recognized according to a viewing angle. Further, as disclosed in JP-A-8-320660, an image card is provided so as to be manually movable with respect to a lenticular lens, and the image card is moved so as to match the pitch of the image card with the pitch of the lenticular lens. There are some that get the effect of.

[0003]

However, in the former case, since the image card and the lenticular lens are attached to each other in order to match the pitch between the image card and the lenticular lens with an adhesive, it is difficult to see a plurality of images. Has a problem that the user has to change the viewing angle with respect to the lenticular lens. On the other hand, the latter has a problem that it is troublesome because the user has to move the image card with respect to the lenticular lens.

The present invention has been proposed in view of the above problems, and an object of the present invention is to provide an image switching apparatus which allows a user to easily view a plurality of images without any work. To do.

[0005]

In order to achieve the above object, the image switching apparatus according to the invention of claim 1 has a large number of image data obtained by dividing each of a plurality of images linearly. At least one image of a plurality of images displayed on the image card, the storage unit movably storing the image card displayed at a pitch and the display unit of the image card. And a card position moving means for sequentially and repeatedly moving the image card to a position where each image displayed on the image card can be optically combined by the lenticular lens. In addition, claim 2
According to the image switching device of the invention described in the above, the card position moving means includes a power source, a drive motor connected to the power source, a deceleration mechanism for decelerating the rotation speed of the drive motor, and a part of the image card in contact with the image card. Is provided with an eccentric cam that is movable to a predetermined position.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below.

As shown in FIG. 1, an image switching apparatus X according to an embodiment of the present invention has an image synthesizing section 13 having a lenticular lens 1 mounted therein and an image card 3 shown in FIG. 4 (a). The apparatus main body 4 is provided, and the image synthesizing unit 13 is attached to the apparatus main body 4.

More specifically, the image synthesizing section 13 is configured so that the frame 2
And the lenticular lens 1 mounted on the frame body 2. The frame 2 has a substantially rectangular front surface 2
1 and a side wall portion 22 formed on the four sides of the front surface portion 21. The front surface portion 21 has a window portion 201 into which the lenticular lens 1 can be fitted. The side wall portion 22 is
The lenticular lens 1 is formed to have a narrow width so that the lenticular lens 1 is close to the display surface of the image card 3 when the image combining unit 13 is attached to the apparatus body 4. The lenticular lens 1 is fitted into the window portion 201 and is provided integrally with the frame body 2.

The device body 4 moves the image card 3 to a position where the image card 3 is movably accommodated and a position where each image displayed on the image card 3 can be optically combined by the lenticular lens 1. A card position adjusting unit 6 as a card position moving means is provided.

The storage portion 5 is formed in a thin box shape having vertical and horizontal dimensions substantially the same as the frame body 2, and has an insertion opening 501 into which the image card 3 can be inserted. An opening 502 for exposing the display portion of the image card 3 is provided on the front surface of the storage section 5. The opening 502 is provided at a position facing the window 201 formed in the frame 2 when the image composition unit 13 is attached to the apparatus body 4.
Inside the storage part 5, there are two displacement prevention pins 7 at the top and bottom.
Is provided. The misalignment prevention pin 7 is provided at a position that engages with a groove portion 32, which will be described later, formed in the image card 3 housed inside the housing unit 5, and the position of the housed image card 3 in the left-right direction. Prevent misalignment.

As shown in FIG. 3, the card position adjusting section 6 controls a battery 8 as a power source, a switch 81 for switching the battery 8 on and off, a drive motor 9, and a control for supplying electricity to the drive motor 9. The unit 10 includes a speed reduction mechanism 11 that reduces the rotation speed of the drive motor 9, and an eccentric cam 12 that is driven at the rotation speed reduced by the speed reduction mechanism 11.

The battery 8, the control unit 10, and the speed reduction mechanism 11 are housed in a casing 61 provided behind the housing unit 5. Battery 8 consists of one AA battery,
It is stored so that it can be inserted and removed so that the batteries can be replaced. Further, as shown in FIG. 1, the switch 81 is provided on the side surface portion of the casing 61 and can be operated from outside the casing 61.

The control unit 10 includes a switch 81 for switching the battery 8 on and off, and an oscillation circuit. The controller 10 turns on the switch 81 to convert the direct current supplied from the battery 8 into alternating current in the oscillation circuit.

The drive motor 9 comprises a drive coil and a magnetic piece. When an alternating current is supplied to the drive coil, an alternating magnetic field is generated to rotate the magnetic piece in one direction.

A drive gear of the reduction mechanism 11 is connected to the magnetic piece, and a driven gear is connected to the eccentric cam 12. Then, the deceleration mechanism 11 decelerates the rotation speed of the magnetic piece to a predetermined speed and transmits it to the eccentric cam 12.

As shown in FIG. 1, the eccentric cam 12 is arranged inside the accommodating section 5 in a state of being connected to the speed reduction mechanism 11 in the casing 61, and the image card 3 accommodated in the accommodating section 5 is shown. It is provided at a position where it can come into contact with an eccentric cam contact portion 31 described later. As shown in FIG. 3, the eccentric shaft is provided with a columnar cam body 121, flange portions 122 provided at both axial end portions of the cam body 121, and an eccentric shaft 123 provided on the cam body 121. 123
The center of rotation is at the predetermined rotation speed transmitted from the reduction mechanism 11.

As shown in FIG. 4A, the image card 3 has an image displayed on the surface of a substantially rectangular paper material, and the misalignment prevention pin 7 is provided at the center of the upper and lower ends.
Is provided with a groove portion 32 that can be engaged with the image card 3
An eccentric cam contact portion 31 that extends in an inverted triangular shape and abuts on the eccentric cam 12 is formed on the one end side in the longitudinal direction at the lower end of the. The image card 3 decomposes each image of the figure “O” and the character “A” into strips having a constant width in the lateral direction, and arranges the strip-shaped image data at a constant pitch to form one image. An image is formed and the image is printed on a paper surface. Note that FIG. 4A shows the image card 3
However, the image is not limited to this. For example, it may be composed of two images different from the above images, or may be composed of three or more images.

Next, a method of using the image switching device X of this embodiment will be described. First, the image card 3 is inserted through the insertion slot 501. At this time, the printing surface of the image card 3 is directed toward the opening 502 side of the apparatus main body 4, and the eccentric cam contact portion 32 is further inserted so that the eccentric cam 12 is provided. Then, as shown in FIG. 3, the eccentric cam contact portion 32 is brought into contact with the cam body 121 of the eccentric cam 12, and the misalignment prevention pin 7 is attached to the groove portion 31 of the image card 3 housed in the housing portion 4. Engage. When the switch 81 is turned on, a direct current flows from the battery 8, is converted into an alternating current by the oscillation circuit, and is supplied to the drive motor 9. When an alternating current is supplied to the drive coil, an alternating magnetic field is generated and the magnetic piece rotates in one direction. The rotating force of the magnetic piece is transmitted to the drive gear in the reduction mechanism 11, reduced by the driven gear, and transmitted to the eccentric cam 12.

As shown in FIG. 2, the eccentric cam 12 rotates about the eccentric shaft 123 in a state of being in contact with the eccentric cam contact portion 32 of the image card 3. Image card 3
Since the displacement prevention pin 7 is engaged with the groove portion 31, when the rotational force of the eccentric cam 12 is received, the displacement prevention pin 7 reciprocates in the vertical direction at a predetermined pitch without being displaced in the horizontal direction.

That is, when the battery 8 is turned on and the image card 3 reciprocates vertically with respect to the lenticular lens 1 at a predetermined pitch, the image card 3 is moved in accordance with the movement of the image card 3. Each of the plurality of printed images is optically combined by the lenticular lens 1. Therefore, when the image printed on the image card 3 through the lenticular lens 1 from the outside of the image switching device X is viewed, as shown in FIGS. 4B and 4C,
As the image card 3 moves, each of the images printed on the image card 3 can be observed at regular intervals.

As described in detail above, the image switching device X of the present embodiment is constructed so that the image card 3 automatically reciprocates in the vertical direction with respect to the lenticular lens 1. However, the image card 3 manually
Multiple images can be automatically observed at regular intervals without moving. In addition, the card position adjusting unit 6
Has a simple structure utilizing the rotational movement of the eccentric cam 12, so that the manufacturing cost can be suppressed and the maintenance is easy. In addition, the groove 3 is formed on the upper and lower ends of the image card 3.
1 is provided, and the storage portion 4 is provided with the displacement prevention pin 7 that engages with the groove portion 31 of the stored image card 3, so that the displacement of the image card 3 in the left-right direction is prevented,
It can be surely moved in the vertical direction. Further, since the storage section 4 is provided with the insertion slot 501 so that the image card 3 can be taken in and out, another image card can be replaced and another image can be viewed. Further, since the switch 81 is provided, it is possible to improve the durability of the battery 8.

In this embodiment, one AA battery is used as the battery 8, but a plurality of batteries may be connected in parallel to improve the durability of the battery 8. 1
Batteries in the shape or size may be used. The power source is not limited to the battery 8 and may be an AC adapter. Furthermore, both the battery 8 and the AC adapter may be provided. In this way, the AC adapter can be used for operation in a place with an outlet, and the battery 8 can be used outdoors or in a place without an outlet. In addition, a solar panel may be attached to the back surface of the image switching device X to generate power using sunlight or room light, and the generated electricity may be used for operation. Further, the configuration of the card position adjusting unit 6 is not limited to the above-mentioned configuration, and may be any mechanism that can move the image card 3 in the vertical direction.

[0023]

As described above, the image switching device according to the first aspect of the present invention is an image card which displays a large number of image data obtained by dividing each of a plurality of images into a linear pattern at a fixed pitch. Since each image displayed on the image card is equipped with a card position moving means for sequentially and repeatedly moving to a position where it can be optically combined by the lenticular lens, the image card automatically moves to the lenticular lens, Each image displayed on the image card
Optically synthesized by a lenticular lens. Therefore, each of the images displayed on the image card can be observed from outside the image switching device through the lenticular lens. In the image switching device according to the second aspect of the present invention, the card position moving means includes a power source, a drive motor connected to the power source, a speed reducing mechanism for reducing the rotation speed of the drive motor, and a part of the image card. An eccentric cam capable of contacting and moving the image card to a predetermined position is provided, and the rotational movement of the eccentric cam is used to reciprocate the image card in the vertical direction with respect to the lenticular lens. Therefore, since the image card can be reliably reciprocated by a simple mechanism, the manufacturing cost can be suppressed and the maintenance is easy.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of an image switching device of the present invention.

FIG. 2 is an explanatory view showing a moving state of the image card in FIG.

FIG. 3 is an explanatory diagram of a card position adjusting unit in FIG.

4A is a front view of the image card in FIG.
(B) A front view of one image obtained by optically combining the image cards shown in FIG. 1 with a lenticular lens.
(C) A front view of another image formed by optically combining the image card in FIG. 1 with a lenticular lens.

[Explanation of symbols]

X image switching device 1 lenticular lens 3 image cards 6 Card position adjustment unit (card position moving means) 8 batteries (power supply) 9 Drive motor 11 Reduction mechanism 12 Eccentric cam

Claims (2)

[Claims] 1. A storage unit for movably storing an image card formed by displaying a large number of image data obtained by dividing each of a plurality of images into a linear pattern at a constant pitch, and a display surface of the image card. Lenticular lenses that are arranged close to each other and optically combine at least one of the plurality of images displayed on the image card, and each image displayed on the image card are optically combined by the lenticular lens. An image switching device comprising card position moving means for sequentially and repeatedly moving image cards to a position where they can be combined. 2. A card position moving means, a drive motor connected to the power source, a speed reducing mechanism for reducing the rotational speed of the drive motor, and a part of the image card for contacting the image card to a predetermined position. The image switching device according to claim 1, further comprising: an eccentric cam that is movable to the front.