JPH03178031A - Magnetic card having magnetic ground pattern and magnetic ground pattern recording instrument - Google Patents

Abstract

PURPOSE:To easily identify a magnetic card whether it is forged or not, by printing a magnetic ground pattern on a magnetic recording layer which is provided all over the one side of a card body. CONSTITUTION:A magnetic ground pattern is printed on a magnetic recording layer 2 formed all over the one side of a card 1. The magnetic ground pattern is recorded in the magnetic recording layer 2 by applying a magnetic field on the layer 2 same as for data to be recorded. Therefore, overwriting of information data can be performed with a usual magnetic head on the magnetic ground pattern, and thus, the area containing recording information is used as a data track 11. Thereby, the obtd. card can be easily checked whether it is forged or not by identifying the ground pattern, and this prevents use of a forged card.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a magnetic card for magnetically recording data, and particularly to a magnetic card with a magnetic pattern on the surface thereof, and a magnetic card with a magnetic pattern on the surface. The present invention relates to a magnetic ground pattern recording tool that attaches a ground pattern.

[Prior Art] Conventionally, a magnetic card has a magnetic recording layer on the surface of the card body that magnetically records data, and only the necessary data is stored in this magnetic recording layer according to the purpose of use of the magnetic card. I was recording it.

By the way, since it is easy to read and write data on the above-mentioned magnetic card, there is a risk that the data may be forged or tampered with, resulting in the creation of a counterfeit card.

Therefore, in order to prevent this, various measures have been taken to prevent this, such as punching holes or adding marks using an optical recording method.

[Problems to be Solved by the Invention] However, if a magnetic card is still forged even after taking the above-mentioned counterfeit prevention measures, it is necessary to replace the genuine magnetic card with the counterfeit card in order to prevent the counterfeit card from being actually used. It is necessary to distinguish between the card and the counterfeit card.

The present invention was made in view of the above-mentioned current situation, and is intended to easily identify the authenticity of a magnetic card.

[! ! Means for Solving Problem I] In order to achieve the above-mentioned object distantly, the present invention provides a magnetic card comprising a magnetic recording layer for magnetically recording data on the surface of a card body. is provided over at least one entire surface of the card body, and the magnetic recording layer is provided with a ground pattern based on a magnetic pattern.

In addition, as a means to create the above magnetic card,
A magnetic ground pattern recording device for attaching a ground pattern based on a magnetic pattern to a magnetic card having a magnetic recording layer over the entire area of at least one side of the card body, the device having a stamp surface having approximately the same shape as the card body of the magnetic card. , and the stamp face is provided with a magnetic part having a magnetization pattern of a magnetic ground pattern sealed on the magnetic card. Alternatively, it is a magnetic background pattern recording device for attaching a background pattern based on a magnetic pattern to a magnetic card having a magnetic recording layer over the entire area of at least one side of the card body, the device having a length that is the same as the width direction or longitudinal direction of the magnetic card. The present invention is characterized in that it is a roller having a magnetic field, and is provided with a magnetic part on the surface thereof formed with a magnetization pattern of a magnetic ground pattern to be sealed in the magnetic card.

[Examples] Examples of the present invention will be described below with reference to the drawings.

An embodiment of a magnetic card with a magnetic background pattern according to the present invention is shown in FIG. 1 and a tiSZ diagram.

As shown in FIG. 1, the magnetic card 10 with a magnetic ground pattern of this embodiment includes a card body 1, a magnetic recording layer 2 provided on the surface of the card body 1 for magnetically recording data, and a magnetic recording layer 2. and a protective layer 3 that covers and protects.

The magnetic recording layer 2 is provided over at least one entire surface of the card body l. As shown in FIG. 2, the entire magnetic recording layer 2 is provided with a ground pattern based on a magnetic pattern.

The magnetic ground pattern is recorded on the magnetic recording layer 2 in the same way as normal data by applying a magnetic field to the magnetic recording layer 2.

As a result, as shown in FIG. 3, the information data can be overwritten by an ordinary magnetic head with a magnetic background pattern, and the portion where the information data is written becomes a data track 11 as shown in the figure. will be used in this state.

The magnetic ground pattern applied to the magnetic recording layer 2 as described above is
Although it is not visible under normal conditions, it can be easily recognized using magnetic contrast agents. Furthermore, if a magnetic field is applied to the magnetic recording layer 2 that causes the information data of the data track 11 to change or disappear, the magnetic ground pattern will also be affected in the same way.

This makes it easy to identify the authenticity of the magnetic card.

Note that the magnetic ground pattern is not limited to the illustrated example, and any other pattern may be attached.For example, by attaching a band-like pattern similar to the data track 11, it is possible to identify the real information data just by looking at it. This makes it difficult to destroy data.

FIG. 4 is a perspective view showing an embodiment of the magnetic ground pattern recording device of the present invention.

The magnetic background pattern recording tool 4 of this embodiment includes a base 41, a magnetic section 5 provided on a stamp surface 42 of the base 41, as shown in the figure.
It consists of a grip part 43 provided on the face of the base 41 opposite to the stamp face.

The stamp surface 42 has substantially the same shape as the card body l of the magnetic card 10 described above. Further, the magnetic portion 5 provided on the stamp surface 42 forms a magnetization pattern of a magnetic ground pattern sealed in the magnetic recording layer 2 of the magnetic card 10.

Using the magnetic pattern recording tool 4 configured as described above, a magnetic pattern can be applied to the magnetic recording layer 2 by bringing the stamp surface 42 into contact with the surface of two examples of the magnetic recording layer of the magnetic card IO.

FIG. 5 is a perspective view showing another embodiment of the magnetic background pattern recording device of the present invention.

As shown in the figure, the magnetic ground pattern recording tool 6 of this embodiment includes a roller 61 having the same length as the width direction or length r direction of the magnetic card 10 described above.

It consists of a grip part 63 that rotatably supports the roller 61, and a magnetic part 5 provided on the side surface 62 of the roller 61.

The L magnetic section 5 forms a magnetization pattern of a magnetic ground pattern sealed in the magnetic recording layer 2 of the magnetic card IO.

Using the magnetic ground pattern recording device 6 configured as described above, the roller 61 is brought into contact with the surface of the magnetic card IO on the magnetic recording layer 2 side with the length direction of the side surface 62 parallel to the side of the corresponding magnetic card IO. A magnetic pattern can be applied to the magnetic recording layer 2 by rolling it over a magnetic card IO.

[Effects of the Invention] As explained above, the magnetic card with a magnetic background pattern of the present invention is a magnetic card having a magnetic recording layer for magnetically recording data on the surface of the card body. Since the magnetic recording layer is provided over at least the entire surface of one side of the card body and has a background pattern based on a magnetic pattern, it is possible to easily identify the authenticity of the card by checking the background pattern, and it is possible to easily identify a counterfeit card. can be prevented from being used.

In addition, magnetic patterns can easily change or disappear when magnetized, so if data is erased with a magnet, etc., or data is forged or tampered with, it is possible to investigate the traces of changes in the magnetic pattern to determine the cause of the accident. This has the effect of making it easier to clarify.

Furthermore, as a means for producing a magnetic card with a magnetic ground pattern, a magnetic card having a stamp surface having approximately the same shape as the card body of the magnetic card of the present invention, and on which a magnetization pattern of the magnetic ground pattern to be sealed in the magnetic card is formed. or a roller having the same length as the width direction or longitudinal direction of the magnetic card, and having a magnetic part formed on the surface thereof with a magnetization pattern of a magnetic ground pattern to be attached to the magnetic card. By using the background pattern recording tool, there is an effect that a magnetic card with a magnetic background pattern can be easily created.

[Brief explanation of drawings]

FIG. 1 is a partially cutaway perspective view showing the 4I strength of the magnetic card with a magnetic ground pattern of the present invention. Fig. 2 is a perspective view showing the magnetic card with the magnetic pattern shown in wS1 with a magnetic pattern attached thereto, and Fig. 3 shows the state where information data has been written on the magnetic card with the magnetic pattern shown in Fig. 2. Perspective view. FIG. 4 is a perspective view showing an embodiment of the magnetic ground pattern recording tool of the present invention. FIG. 5 is a perspective view showing another embodiment of the magnetic background pattern recording device of the present invention. Card body 2: Recording layer 3: Protective layer 4.6: Magnetic pattern recording tool 5: Magnetic section 1O: Magnetic card 42: Stamp surface 61: Roller 62: Side surface

Claims (3)

[Claims] (1) In a magnetic card having a magnetic recording layer for magnetically recording data on the surface of a card body, the magnetic recording layer is provided over at least one entire surface of the card body; A magnetic card with a magnetic ground pattern, which is characterized by having a ground pattern formed by a magnetic pattern. (2) A magnetic ground pattern recording device for attaching a ground pattern based on a magnetic pattern to a magnetic card having a magnetic recording layer over at least one entire surface of the card body, the device having a stamp surface having approximately the same shape as the card body of the magnetic card. 1. A magnetic ground pattern recording device comprising: a magnetic ground pattern recording device having a magnetic ground pattern having a magnetization pattern formed on the magnetic card; (3) A magnetic ground pattern recording device for attaching a ground pattern based on a magnetic pattern to a magnetic card having a magnetic recording layer on at least one entire surface of the card body, the device having the same dimensions as the width direction or longitudinal direction of the magnetic card. 1. A magnetic background pattern recording device, characterized in that it is a roller having a long length, and is provided with a magnetic part on the surface of which is formed a magnetization pattern of the magnetic background pattern to be attached to the magnetic card.