JP4392945B2 - Information media - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an information medium such as an IC card, a magnetic card, or a coin-type data carrier provided with an information display medium that reversibly rewrites and displays visible information on at least one of the front and back surfaces.
[0002]
[Prior art]
An information medium such as an IC card or a coin-shaped data carrier that includes an IC circuit having a storage element for storing data in a rewritable manner can manage information recording with a high capacity and has high information storage reliability. In recent years, it has been introduced in a wide range of fields because of its superior security and convenience.
[0003]
In such an information medium, when it is necessary to inform the user of information related to data stored in the storage element, as shown in FIG. 3, in the recess b formed on the outer surface of the exterior body a. An information display medium c that reversibly rewrites and displays visible information is provided, and required information is printed on the printing surface d of the information display medium c so as to be visible.
[0004]
[Problems to be solved by the invention]
By the way, the information display medium c is required to have a high printing density and capable of displaying clear information. For this, a magnetic reversible display medium is preferably used. This magnetic reversible display medium is provided with a recording layer in which a large number of microcapsules including a liquid and magnetic powder suspended in the liquid are coated on a base film together with a binder. By using the reversible display medium as the information display medium c, it is possible to display clear information. However, this magnetic reversible display medium is inferior in water resistance and deteriorates when water enters from the cut surface of the side surface. As a result, the original number of rewrites cannot be digested. Further, in the conventional configuration, the print surface d of the information display medium c is disposed so as to be the same height as or slightly higher than the outer surface of the exterior body a. There is a problem that it is easy to attach and the display is difficult to see.
[0005]
An object of the present invention is to provide an information medium having a configuration capable of solving such conventional problems.
[0006]
[Means for Solving the Problems]
The present invention provides an information medium in which an information display medium for reversibly rewriting and displaying visible information in a recess formed on at least one surface of the front and back surfaces of an exterior body is provided, and the upper peripheral edge of the recess is on the side. An information medium is characterized in that a support step edge is formed by expanding the cover, and a waterproof transparent film is attached to the support step edge so as to seal the recess and cover the information display medium.
[0007]
Here, the waterproof transparent film is preferably a synthetic resin film having excellent surface slipperiness such as polyester, polycarbonate, PET, and the like, and a film having a thickness of about 30 to 100 μm can be suitably used. Moreover, as long as it has transparency which can visually recognize the information displayed on the printing surface of the information display medium, it may be appropriately colored in addition to the colorless and transparent one. And, as described above, by attaching a waterproof transparent film that seals the recess and covers the information display medium to the support step edge formed by expanding the upper peripheral edge of the recess to the side, The waterproof transparent film can prevent water from entering the recess, and can protect the printing surface of the information display medium. Furthermore, as described above, by sticking the waterproof transparent film to the supporting step edge, the waterproof transparent film does not protrude on the outer surface of the exterior body, and thereby the end is caught on something. It is possible to prevent the waterproof transparent film from being peeled off.
[0008]
Further, the present invention includes a storage element that stores data in a rewritable manner in the exterior body, and stores data stored in the storage element in a recess formed on at least one surface of the exterior body. In the information medium in which the information display medium for reversibly rewriting and displaying the visible information based on the information medium is provided, a support step edge is formed by expanding the upper peripheral edge of the recess to the side, and the support step edge It is an information medium characterized in that a waterproof transparent film that seals the recess and covers the information display medium is attached.
[0009]
In such a configuration, the information medium can be an information medium such as an IC card or a coin-shaped data carrier. In such an information medium as well, the waterproof medium is used to enter the recess. Intrusion of water can be prevented, the printing surface of the information display medium can be protected, and further, the waterproof transparent film can be prevented from being peeled off due to the end being caught by something.
[0010]
Further, in the above-described configuration, the information reversible medium includes a recording layer in which a number of microcapsules including a liquid and magnetic powder floating in the liquid are coated on a base film together with a binder. A configuration using a display medium can be proposed. Thus, by using the information display medium as a magnetic reversible display medium, it is possible to display clear information and to prevent water from entering the recess by the waterproof transparent film as described above. Therefore, the deterioration of the magnetic reversible display medium inferior in water resistance is prevented, and the original number of rewrites can be achieved.
[0011]
Furthermore, the structure which arrange | positions a waterproof transparent film in the said structure so that the surface may become the positional relationship recessed with respect to the recess formation surface of an exterior body may be proposed. Thereby, the surface of the waterproof transparent film is hardly scratched, and the visibility of information displayed on the information display medium does not deteriorate.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described below with reference to FIGS.
In the drawings, reference numeral 1 denotes an information medium according to the present invention. The information medium 1 is configured as a coin-shaped data carrier, and an IC circuit is built in a disk-shaped outer package 2. Although not shown in the figure, the IC circuit includes a storage element that stores data in a rewritable manner, and includes an IC chip that executes a predetermined sequence, a loop coil for transmission / reception and power reception, and the like. Can be sent and received without contact.
[0013]
The outer package 2 is formed into a disk shape from a hard synthetic resin such as PPS, PBT, PET, etc., and a circular recess 3 is formed on at least one surface of the front and rear surfaces of the disk-shaped outer package 2. Is formed. In the recess 3, a sheet-like information display medium 4 is fixed on the inner bottom surface of the recess 3 with an adhesive. The recess 3 is formed with a support step edge 5 formed by expanding the upper peripheral edge of the recess 3 laterally at a height position substantially coinciding with the upper surface of the information display medium 4. A waterproof transparent film 6 that covers the information display medium 4 by sealing the recess 3 to the support step edge 5 is attached with an adhesive.
[0014]
The waterproof transparent film 6 is preferably a synthetic resin film having excellent surface slipperiness, such as polyester, polycarbonate, and PET, which is also resistant to scratches and excellent in chemical resistance, and preferably has a thickness of about 30 to 100 μm. Can be used. Further, the waterproof transparent film 6 is appropriately colored as long as it has transparency capable of visually recognizing information such as characters displayed on the printing surface of the information display medium 4 in addition to the colorless and transparent film. It is also possible to use. Furthermore, the waterproof transparent film 6 may be attached only to the peripheral edge portion of the waterproof transparent film 6, or the entire back surface is attached to the entire upper surface of the support step edge 5 and the information display medium 4. You may do it. Here, when the whole back surface is stuck, there exists an advantage which can prevent the floating from the information display medium 4. FIG.
[0015]
Further, the depth from the recess forming surface 7 of the exterior body 2 to the support step edge 5 is set to be larger than the thickness of the waterproof transparent film 6, whereby the surface 8 of the waterproof transparent film 6 is set. However, it is made to become the positional relationship depressed with respect to the recess formation surface 7.
[0016]
The information display medium 4 is composed of a magnetic reversible display medium, and visible information based on the data stored in the storage element is reversibly rewritten and displayed on the display surface of the information display medium 4.
[0017]
This magnetic reversible display medium includes a recording layer in which a large number of microcapsules including a liquid and magnetic powder suspended in the liquid are coated on a base film together with a binder, and is written by a writing device that generates a magnetic field. The magnetic layer in the microcapsule is aligned in the vertical (or horizontal) direction by partially applying a vertical (or horizontal) magnetic field to the recording layer, and characters and the like are drawn by the difference in brightness of the reflected light. It is possible to write / erase various information without contact. Moreover, since the printing density is high, clear information display can be performed.
[0018]
In this configuration, a waterproof transparent film 6 that seals the recess 3 and covers the information display medium 4 is attached to the support step edge 5 formed by expanding the upper peripheral edge of the recess 3 to the side. Therefore, the waterproof transparent film 6 can prevent water from entering the recess 3. And since water does not penetrate into the recess 3 in this way, the deterioration of the magnetic reversible display medium inferior in water resistance used as the information display medium 4 is prevented, and the original number of rewrites can be digested without any trouble. Can do.
[0019]
Moreover, the printing surface of the information display medium 4 can be protected by the waterproof transparent film 6, and the waterproof transparent film 6 is attached to the support step edge 5. It does not protrude from the outer surface of the exterior body 2, thereby preventing the waterproof transparent film 6 from peeling off due to the end being caught by something.
[0020]
Further, the waterproof transparent film 6 is disposed such that the surface 8 thereof is in a positional relationship with respect to the recess forming surface 7 of the exterior body 2, whereby the surface 8 of the waterproof transparent film 6 is arranged. As a result, it becomes difficult for the surface to be scratched, and the visibility of information displayed on the information display medium 4 can be prevented from being lowered.
[0021]
In the above embodiment, the coin-shaped data carrier is exemplified as the information medium 1, but the information medium 1 is a contact type or non-contact type IC card in which the outer package 2 is formed in a rectangular shape. In addition, the present invention can be applied to an information medium including a general magnetic card having no storage element such as an IC chip.
[0022]
【The invention's effect】
In the present invention, as described above, the information medium 1 is provided with the information display medium 4 that reversibly rewrites and displays the visible information in the recess 3 formed on at least one surface of the front and back surfaces of the exterior body 2. The upper peripheral edge of the recess 3 is expanded laterally to form a support step edge 5, and the waterproof transparent film 6 that covers the information display medium 4 by sealing the recess 3 to the support step edge 5 is provided. Since it is stuck, water penetration into the recess 3 can be prevented by the waterproof transparent film 6 and the printing surface of the information display medium 4 can be protected. Further, since the waterproof transparent film 6 is adhered to the support step edge 5, the waterproof transparent film 6 does not protrude from the outer surface 8 of the exterior body 2, and thus, the end portion is something. It is possible to prevent the waterproof transparent film 6 from being peeled off due to being caught on the surface.
[0023]
Further, the present invention includes a storage element that stores data in a rewritable manner in the exterior body 2, and the recess 3 formed on at least one surface of the front and back surfaces of the exterior body 2 includes the storage element. In the information medium 1 in which the information display medium 4 for reversibly rewriting and displaying the visible information based on the stored data is provided, the upper peripheral edge of the recess 3 is expanded laterally to support the support step 5. Since the recess 3 is sealed on the supporting step edge 5 and the waterproof transparent film 6 covering the information display medium 4 is adhered, the information medium 1 can be an IC card, a coin-shaped data carrier or the like. In such an information medium 1, in the same way as described above, water can be prevented from entering the recess 3 by the waterproof transparent film 6, and an information display medium can be used. 4 can protect the printing surface Furthermore, it is possible to prevent peeling of the waterproof transparent film 6 due to the end portion is caught by something.
[0024]
Furthermore, in the above configuration, the information display medium 4 includes a recording layer in which a number of microcapsules including a liquid and magnetic powder floating in the liquid are coated on a base film together with a binder. By using the water-resistant display medium, it is possible to display clear information and to prevent water from entering the recess 3 by the waterproof transparent film 6 as described above, resulting in poor water resistance. Degradation of the magnetic reversible display medium is prevented, and the original number of rewrites can be achieved.
[0025]
Further, by disposing the waterproof transparent film 6 so that the surface 8 is in a positional relationship where the surface 8 is depressed with respect to the recess forming surface 7 of the exterior body 2, the surface 8 of the waterproof transparent film 6 is scratched. There is an excellent effect that the visibility of information displayed on the information display medium 4 can be prevented from being lowered.
[Brief description of the drawings]
FIG. 1 is a partially cutaway front view showing an embodiment of an information medium according to the present invention.
FIG. 2 is a plan view of the above information medium.
FIG. 3 is a partially cutaway front view showing a conventional configuration.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Information medium 2 Exterior body 3 Recess 4 Information display medium 5 Support step edge 6 Waterproof transparent film 7 Recess formation surface 8 Surface

Claims (4)

In an information medium provided with an information display medium that reversibly displays visible information in a recess formed in at least one surface of the front and back surfaces of the exterior body,
A support step edge is formed by expanding the upper peripheral edge of the recess sideways, and a waterproof transparent film is attached to the support step edge to seal the recess and cover the information display medium. Information medium. The exterior body is provided with a storage element for storing data in a rewritable manner, and the visible information is reversibly based on the data stored in the storage element in a recess formed on at least one surface of the exterior body. In an information medium provided with an information display medium for rewriting and displaying automatically,
A support step edge is formed by expanding the upper peripheral edge of the recess sideways, and a waterproof transparent film is attached to the support step edge to seal the recess and cover the information display medium. Information medium. The information display medium is a magnetic reversible display medium comprising a recording layer in which a large number of microcapsules including a liquid and magnetic powder floating in the liquid are coated on a base film together with a binder. The information medium according to claim 1 or 2. The information medium according to any one of claims 1 to 3, wherein the waterproof transparent film is disposed so that a surface of the waterproof transparent film is depressed with respect to a recess forming surface of the exterior body.

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