JP2003335094A - Magnetic utensil for magnetic body reversal display panel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a magnetic utensil for a magnetic body reversal display panel dispensing with the replacement of a plurality of magnetic utensils when used, easy to keep, not applying monetary load to a purchaser of the magnetic body reversal display panel and collectively having functions of a magnetic pen, a magnetic eraser and a magnetic cleaner. <P>SOLUTION: The main body of a magnetic utensil is constituted of a pair of first and second housing bodies comprising a resin material and these housing bodies are fixed integrally. The first magnet is arranged in the housing part provided at the first and/or second housing bodies in a recessed state in a longitudinal direction so that different magnetic poles are opposed to the first and second housing bodies. A second magnet is arranged in the second housing part provided to one end of the first and/or second housing bodies in a recessed state in a longitudinal direction so that magnetic poles are divided at both ends in the longitudinal direction and a third magnet is arranged at the other end thereof in the longitudinal direction so that the magnetic pole opposite to the magnetic pole provided on one end side of the second magnet is exposed outwardly. <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 magnetic material having an S pole and an N pole and coloring the S pole side surface portion and the N pole side surface portion in different colors. Magnetic substance reversal display in which a dispersed liquid formed by being dispersed in a liquid having a yield value as a main component is contained in a plurality of liquid storage chambers, and a transparent surface plate is arranged on the display surface side of the liquid storage chambers. The present invention relates to a magnetic tool for a magnetic reversal display panel, which has a magnet for reversing the S-pole side surface portion or the N-pole side surface portion of the panel facing the surface plate of the display magnetic body.

[0002]

2. Description of the Related Art A magnetic material reversal display panel has been publicly known, and is described in, for example, Japanese Patent Publication No. 59-32796. Therefore, a magnetic material reversal display panel having a conventional structure and a magnetic tool used therefor will be briefly described with reference to the drawings. FIG. 7 is a schematic view of a magnetic material reversal display panel and a magnetic tool, and FIG. 8 is a schematic cross-sectional view of a main part of FIG. 7. As shown in the figure, the magnetic reversal display panel 101 has a transparent surface plate 106 on the display surface side of a liquid storage chamber 105 formed by fixing partition walls 104 constituting a plurality of honeycomb cells 103 to a back plate 102. It is fixed to the partition wall 104 to be integrated. A liquid containing a dispersion medium and a thickener 10 is placed in the liquid storage chamber 105.
7 contains a dispersion liquid 109 having a yield value in which a display magnetic material 108 having an S pole and an N pole is dispersed. The display magnetic body 108 has an S pole side surface portion colored green and an N pole side surface portion colored white. To write a writing line on the magnetic material reversal display panel 101, a rod-shaped magnetic pen 11 is used.
Use 0. For example, if the transparent surface plate 106 is white (N
In the display state of the pole side surface portion), the barrel 1 of the magnetic pen 110
When the N pole portion of the magnet 112 arranged in the front part of 11 is adjacent to the transparent surface plate 106 and moved in the arrow X direction,
Display magnetic substance 1 by magnetic force p (dashed-dotted arrow in the figure)
Surface plate 1 of which 08 green (S pole side surface part) is linearly transparent
It is placed on the 06 side. In this case, a green writing line (S-pole side surface portion) is written on the transparent surface plate 106 side having a white background (N-pole side surface portion).

A white background is green (S pole side surface portion).
The magnetic eraser 113 is used to return the transparent surface plate 106 on which the writing is performed to white. The magnetic eraser 113 has a magnet 114. The magnet 114 is
In the figure, it has an S pole portion and an N pole portion at the top and bottom. Since the area in contact with the transparent surface plate 106 has a large area, the contact surface is covered with a cloth 115 for the purpose of improving the sliding property with the transparent surface plate 106 and protecting the transparent surface plate 106 and the magnet 114 itself. There is. In addition, a case 116 made of resin is covered on a portion to be gripped by a hand during use. The magnetic eraser 113 connects the S pole portion of the magnet 114 to the green (S) of the transparent surface plate 106 of the magnetic reversal display panel 101.
When it is moved in the direction of the arrow Y adjacent to the writing line part of the pole-side surface portion), the magnetic force q (the one-dot chain line arrow in the figure) makes the white (N-pole side surface portion) of the display magnetic body 108 transparent. The transparent surface plate 106 can be returned to the white display state by disposing it on the surface plate 106 side.

A magnetic cleaner 117 is used to loosen and arrange the display magnetic bodies 108 that have gathered randomly in the liquid storage chamber 105. The magnetic cleaner 117 has a long and narrow magnet 118. The magnet 118 is provided by arranging the S pole portion and the N pole portion in parallel (left and right direction in the figure) on the lower surface in contact with the transparent surface plate 106. The magnetic cleaner 11
For the same purpose as the magnetic eraser 113, 7 also has a cloth 119 covering the portion in contact with the transparent surface plate 106, and a resin case 120 is covered on the portion to be gripped by hand during use. The magnetic cleaner 117 has an S pole portion on the lower surface and an N pole.
When the pole portion is adjacent to the transparent surface plate 106 and is moved in the arrow Z1 direction from the N pole portion to the S pole portion, the magnetic force r (the one-dot chain line arrow in the figure) causes the display magnetic body 10 to move.
8 is reversed and moved in the liquid storage chamber 105, and the magnetic substance 1
The green color of 08 (surface portion on the S pole side) is arranged on the side of the transparent surface plate 106, and the surface plate 106 is displayed in green. On the contrary, when the display magnetic body 108 is moved in the direction of the arrow Z2 from the S-pole portion to the N-pole portion, the display magnetic body 108 is inverted and moved in the liquid storage chamber 105, and the white (the surface of the N-pole side of the display magnetic body 108). Part) on the transparent face plate 106 side,
06 is displayed in white. This magnetic cleaner 11
By repeating the above-mentioned reciprocating operation, the magnetic field for display 7 can be loosened and the arrangement can be adjusted by loosening the display magnetic bodies 108 that are randomly gathered in the liquid storage chamber 105.

[0005]

By the way, the conventional magnetic tool requires a plurality of magnetic pen, magnetic eraser, and magnetic cleaner as described above. Therefore, the operation of replacing the magnetic tool at the time of use is not possible. It was troublesome and cumbersome to store them when not in use. In addition, the purchaser of the magnetic material reversal display panel also bears a cost burden as a result.

In view of these facts, the present invention does not require replacement of a plurality of magnetic tools at the time of use, facilitates storage, and does not impose a financial burden on the purchaser of the magnetic reversal display panel. , A magnetic pen, a magnetic eraser, and a magnetic cleaner having a single function of a magnetic cleaner for a magnetic reversal display panel.

[0007]

Next, the present invention devised to solve the above problems will be described. "1. A magnetic material for display having an S pole and an N pole and having a surface portion on the S pole side and a surface portion on the N pole side colored in different colors has a yield value mainly composed of a dispersion medium and a thickener. The magnetic material for display of a magnetic reversal display panel, in which a dispersed liquid formed by being dispersed in a liquid is stored in a plurality of liquid storage chambers, and a transparent surface plate is arranged on the display surface side of the liquid storage chambers. Facing the front plate of S
In a magnetic tool for a magnetic reversal display panel having a magnet for inverting the pole side surface portion or the N pole side surface portion, the main body of the magnetic tool is a pair of a first container and a second container made of a resin material. And a first magnet on the side of the first accommodating body in the first accommodating portion formed by being fixed along the longitudinal direction in the first accommodating body and / or the second accommodating body. Different magnetic poles are arranged on the side of the second container so as to face each other, and one end of the first container and / or the second container in the longitudinal direction is provided with a recessed second housing part. The two magnets are arranged so that the magnetic poles are separated at both ends in the longitudinal direction, and the magnetic pole opposite to the magnetic pole provided on the one end side of the second magnet is exposed to the outside at the other end portion in the longitudinal direction. It is characterized in that a third magnet is provided. 2. It is characterized in that the first magnet and the second magnet are sealed by a first container and a second container. 3. At the one end portion in the longitudinal direction where the second magnet of the main body of the magnetic tool is arranged, on the side of the transparent surface plate which is more transparent than the second magnet when both magnetic poles of the first magnet are adjacent to the transparent surface plate. It is characterized in that a magnetic member is arranged in parallel with the second magnet at the position. "

In the present invention, when writing on the surface plate of the magnetic reversal display panel using the third magnet, the first magnet and the second magnet become the display magnetic material of the magnetic reversal display panel. It is important to set the position so that it does not affect and the strength of the magnetic force of each magnet. Further, when the first magnet is adjacent to the transparent surface plate, it is necessary to set the position and the strength of the magnetic force of the magnet such that the second magnet does not affect the display magnetic material of the magnetic material reversal display panel. is there.

In the invention according to claim 1, since one magnetic tool has three functions of a magnetic pen, a magnetic eraser, and a magnetic cleaner, it is not necessary to replace a plurality of magnetic tools at the time of use and can be stored when not in use. It will be easy. In addition, when the main body of the magnetic tool is composed of a pair of a first container and a second container and is fixed and integrally formed, when writing with a third magnet arranged on the other end side, it is conventional. It is as easy to grip as the magnetic pen. In addition, since the long magnet can be housed inside the main body of the magnetic tool, the first magnet to be arranged as a magnetic cleaner can be inverted and moved in a wide range during reciprocating operation to efficiently arrange the magnet. be able to. Further, since the first magnet that serves as the magnetic cleaner and the second magnet that serves as the magnetic eraser are covered with the resin material forming the first container and the second container, sliding with the transparent surface plate is prevented. The property is good, and the transparent surface plate and the magnet itself can be protected by both housings.

In the second aspect, by sealing the first magnet and the second magnet in both housings, the outer surface of the magnet housing is soiled or a magnetic material such as sand iron is attracted to the magnets. Even if it does, the magnetic tool can be easily washed with water, hot water, etc., so that dirt and iron sand can be easily washed off. As a method of sealing the first magnet and the second magnet, the opposing portions of the first container and the second container are adhered with an adhesive, or ultrasonic welding is used to weld them without a gap. Alternatively, a known method such as a method of providing a female screw portion on one of the two accommodation bodies and providing a through hole on the other accommodation body, and inserting a bolt into the through hole and screwing can be used. .

In the third aspect, when the first magnet is adjacent to the transparent surface plate, the magnetic member makes it difficult for the magnetic force of the second magnet to leak to the transparent surface plate side. It is possible to use a magnet having a strong magnetic force, and it is possible to improve the erasability when the second magnet erases the writing line.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described with reference to the drawings in order to facilitate understanding. In the magnetic tool for the magnetic material reversal display panel according to the present embodiment, the side having the third magnet serving as the pen tip of the magnetic pen is expressed as the front end side, and the opposite side is expressed as the rear end side. The same reference numerals are given to indicate the same members and the same parts.

The magnetic tool of this embodiment is shown in FIGS. FIG. 1 is a schematic view of a magnetic tool according to the present embodiment, and FIG. 2 is an exploded schematic view of FIG. The magnetic tool 1 as shown in FIG.
A pair of rod-shaped first accommodating bodies 2 and 3 made of a resin material constitutes a main body, and the opposing portions 4 and 5 of the first accommodating body 2 and the second accommodating body 3 are The first recesses 6 and 7 which are recessed in a rectangular shape along the longitudinal direction are provided in the intermediate portions 2a and 3a in the longitudinal direction of the two accommodation bodies 2 and 3, respectively.
In the rear end portions 2b, 3b (left side in the figure) of the longitudinal direction 3 of the second concave portion 8, which is formed in a rectangular shape along the longitudinal direction,
9 is provided. The first recesses 6 and 7 are combined with each other to form the first accommodating portion 10, and the second recesses 8 and
9 form the 2nd accommodating part 11 by combining mutually. In the first accommodating portion 10, magnetic poles (S pole, N pole) are provided on the first accommodating body 2 side and the second accommodating body 3 side, for example, as shown in the figure, the N pole faces the first accommodating body side. The first magnet 12 is arranged so that the S pole faces the second container side,
The second accommodating portion 11 is provided with second magnets 13 at both ends along the longitudinal direction such that the magnetic poles, for example, the S poles are located on the rear end side as shown in the figure. First container 2
And the tip portions 2c, 3c (right side in the figure) of the second container 3,
Semicircular groove portions 14 and 15 having open front ends are formed, and a third magnet 17 is fitted into a bottomed round hole portion 16 formed by combining the groove portions 14 and 15. There is. As described above, the second magnet 13 is arranged with the S pole facing the rear end side, and the third magnet 17 is arranged with the N pole facing the tip end side. In the present embodiment, the first container 2 and the second container 3 have adhesives applied to the facing portions 4 and 5 of each other so that the first magnet 12 and the second magnet 13 are both housed. It is fixed so as to be sealed by the bodies 2 and 3. Further, the rear end portions 2b and 3b of both containing bodies 2 and 3 are widened so that the second magnet 13 having a wide width (the facing direction of both containing bodies) can be accommodated in the second containing portion 11.

Next, the usage state of the magnetic tool 1 will be described with reference to FIGS. 3 and 4. FIG. 3 is a schematic view showing a usage state of the magnetic tool of the present embodiment, and FIG. 4 is a schematic cross-sectional view of a main part of FIG. In addition, a magnetic material reversal display panel 1 using a magnetic tool
Since 01 has the same structure as the conventional structure, its description is omitted. 102 is a back plate, 103 is a honeycomb cell, 104
Is a partition wall, 105 is a liquid storage chamber, 106 is a transparent surface plate,
107 indicates a liquid. The magnetic tool 1 in the A state is a state in which the third magnet 17 is brought into contact with the transparent surface plate 106 and the magnetic tool 1 is used as a magnetic pen. As shown in FIG.
When the transparent surface plate 106 is in a white (N-pole side surface portion) display state, the N-pole portion of the third magnet 17 is transparent.
When it is moved in the direction of the arrow X by contacting with, the magnetic force p (the arrow indicated by the alternate long and short dash line in the figure) causes the green (S-pole side surface portion) of the display magnetic body 108 to be linearly arranged on the transparent surface plate 106 side. To do. In this case, a green writing line (S-pole side surface portion) is written on the transparent surface plate 106 side having a white background (N-pole side surface portion).

Further, the magnetic tool 1 in the B state is a state in which the second magnet 13 is adjacent to the transparent surface plate 106 and the magnetic tool 1 is used as a magnetic eraser. As shown in FIG. 4, the S pole portion of the second magnet 13 is the green (S pole side surface portion) of the transparent surface plate 106 of the magnetic reversal display panel 101.
If you move it in the direction of the arrow Y adjacent to the writing line part of,
Display magnetic body 1 by magnetic force q (dashed-dotted arrow in the figure)
White (N-pole side surface portion) 08 is arranged on the side of the transparent front plate 106, and the transparent front plate 106 is returned to the white display state.

The magnetic tool 1 in the C state is a state in which the first magnet 12 is adjacent to the transparent surface plate 106 and the magnetic tool 1 is used as a magnetic cleaner. As shown in FIG. 4, when the S pole portion and the N pole portion of the first magnet 12 are adjacent to the transparent surface plate 106 and moved in the arrow Z1 direction from the N pole portion to the S pole portion, the magnetic force r ( The display magnetic body 108 is indicated by the dashed-dotted line arrow in the figure).
5 is reversed and moved within 5 to arrange the green (S pole side surface portion) of the display magnetic body 108 on the transparent surface plate 106 side to display a green color, and conversely, from the S pole portion to the N pole portion. When it is moved in the direction of arrow Z2 toward
8 is re-inverted and moved in the liquid storage chamber 105, and the white color (N-pole side surface portion) of the display magnetic body 108 is arranged on the transparent surface plate 106 side to obtain a white display state. By repeating this reciprocating operation, the display magnetic bodies 108 that have gathered randomly in the liquid storage chamber 105 are loosened and the arrangement is adjusted.

The magnetic tool 1 of this embodiment has a magnetic force of the second magnet 13 when both magnetic poles (S pole portion and N pole portion) of the first magnet 12 are adjacent to the transparent face plate. The second accommodating portion 11 is provided at a position where q does not affect the display magnetic material 108 of the magnetic material reverse display panel 101, and the second magnet 13 is provided. Further, when the first magnet 12 is adjacent to the transparent surface plate 106, in order not to make a mistake in the contact direction of the magnetic tool 1, one side of the tip end portions 2c, 3c of the two housings 2, 3 (see FIG. The upper middle) has a shape with dropped corners.

Next, a magnetic tool of another embodiment is shown in FIG.
As shown in FIG. FIG. 5 is a view of a magnetic tool according to another embodiment, and FIG. 6 is an exploded view of FIG. As shown in FIG. 6, the magnetic tool 18 is recessed in a quadrangular shape along the longitudinal direction at the rear end portions 2b and 3b (left side in the figure) in the longitudinal direction of the first container 2 and the second container 3. Third recesses 19 and 20 are formed, and by combining them with each other, the third accommodating portion 2 is formed.
1 is formed. In addition, the third accommodating portion 21 includes the first magnet 1
When the two magnetic poles 2 are adjacent to the transparent surface plate, they are provided at a position on the transparent surface plate side 106 of the second magnet 13. An iron plate 22, which is a magnetic member having a size different from that of the second magnet 13 only, is arranged in the third housing portion 21. The other points are the same as those in the above-described embodiment, and thus the description thereof will be omitted.

Although the present embodiment has been described in detail above, the present invention is not limited to the above embodiment, and various modifications can be made within the scope of the gist of the present invention described in the claims. It can be carried out. Further, for example, a magnetic material reversal display panel having a structure in which a dispersion liquid (a liquid in which a magnetic material is dispersed in a liquid having a yield value) is contained in a liquid storage chamber formed by partitioning a transparent front plate and a rear plate with a partition wall. Besides, for example,
It is also possible to employ a microcapsule containing the dispersed liquid as a liquid storage chamber and a panel structure in which a transparent surface plate is arranged on the display surface side.

[0020]

According to the present invention, since one magnetic tool has a function as a magnetic pen, a magnetic eraser, and a magnetic cleaner, it is not necessary to replace a plurality of magnetic tools when using, and storage is easy when not in use. Moreover, since it is not necessary to purchase a magnetic pen, a magnetic eraser, and a magnetic cleaner as the magnetic tools for the magnetic reversal display panel, it is possible to avoid a financial burden on the purchaser.

[Brief description of drawings]

FIG. 1 is a schematic view of a magnetic tool of the present embodiment.

FIG. 2 is an exploded view of FIG.

FIG. 3 is a schematic view showing a usage state of the magnetic tool of the present embodiment.

FIG. 4 is a schematic sectional view of an essential part of FIG.

FIG. 5 is a schematic view of a magnetic tool according to another embodiment.

FIG. 6 is an exploded view of FIG.

FIG. 7 is a schematic view of a magnetic reversal display panel and a magnetic tool.

8 is a schematic cross-sectional view of a main part of FIG.

[Explanation of symbols]

1, 18 ... Magnetic tool, 2 ... First container, 2a ... Intermediate part,
2b ... rear end, 2c ... front end, 3 ... first container, 3a ...
Intermediate part, 3b ... Rear end part, 3c ... Tip part, 4, 5 ... Opposing part, 6, 7 ... First concave part, 9 ... Second concave part, 10 ... First accommodating part, 11 ... Second part Housing portion, 12 ... First magnet, 1
3 ... 2nd magnet, 14, 15 ... Groove part, 16 ... Round hole part, 1
7 ... 3rd magnet, 19, 20 ... 3rd recessed part, 21 ... 3rd accommodating part, 22 ... Iron plate, 101 ... Magnetic reversal display panel, 102 ... Back plate, 103 ... Honeycomb cell, 104 ...
Partition wall, 105 ... Liquid storage chamber, 106 ... Transparent surface plate, 1
07 ... Liquid, 108 ... Display magnetic material, 109 ... Dispersion liquid, 110 ... Magnetic pen, 113 ... Magnetic eraser, 11
7 ... Magnetic cleaner.

Claims (3)

[Claims] 1. A yield value mainly comprising a dispersion medium and a thickener for a magnetic material for display, which has an S pole and an N pole and whose S pole side surface portion and N pole side surface portion are colored in different colors. A dispersed liquid made by dispersing in a liquid having a is stored in a plurality of liquid storage chambers,
A magnet for reversing the S-pole side surface portion or the N-pole side surface portion of the magnetic material reversal display panel, which has a transparent surface plate on the display surface side of the liquid storage chamber, facing the surface plate of the display magnetic material. In a magnetic tool for a magnetic material reversal display panel having, a main body of the magnetic tool is composed of a pair of a first container and a second container made of a resin material, and fixed to be integrated.
Different magnetic poles of the first magnet face the first housing side and the second housing side to the first housing part formed by recessing the first housing and / or the second housing along the longitudinal direction. And the second magnet is disposed at one end in the longitudinal direction of the first container and / or the second container in the second accommodating portion formed by recessing, and the second magnet has magnetic poles at both ends in the longitudinal direction. Arranged so as to separate,
A magnetic reversal, characterized in that a third magnet is disposed at the other end in the longitudinal direction so that a magnetic pole opposite to the magnetic pole at one end of the second magnet is exposed to the outside. Magnetic tool for display panel. 2. The magnetic tool for a magnetic reversal display panel according to claim 1, wherein the first magnet and the second magnet are sealed with a first container and a second container. 3. The body of the magnetic tool is transparent from the second magnet when both magnetic poles of the first magnet at one end in the longitudinal direction in which the second magnet is arranged are adjacent to the transparent surface plate. The magnetic tool for a magnetic reversal display panel according to claim 1 or 2, wherein a magnetic member is arranged in parallel with the second magnet at a position on the surface plate side.