JPH0536198A - Magnet ic card - Google Patents

Abstract

PURPOSE:To prevent information from being written in the case of insertion of a magnetic card in an opposite direction to a card issuing machine by laminating a write preventing layer preventing the writing of the information to an area except the prescribed recording area of a magnetic material layer. CONSTITUTION:The printing layer is formed by specific ink preventing magnetization within the range of AXB of an area 3 so as to prevent recording data even in the case of insertion of the erroneous direction at the time of issuing the card. In such a case, the printing layer is formed within the range of superposing with letters (caution) displayed to the rear face of the card. The position of the printing layer is allowed to be either entire the area 3 or a part of the area. In any case, since a perfect magnetic data is not attained when the printing layer in the area 3, the card is processed as an unreadable card in the read checking of the card. Thus, the card writing the data in the opposite direction erroneously at the time of issuing the card is issued is prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic card for reading and writing data, such as an ID card.

[0002]

2. Description of the Related Art Conventionally, a card of this type has a magnetic layer on one side thereof, and information is written in a specific writing area by inserting the card into a card issuing machine in a predetermined direction. .

[0003]

However, if the card is inserted in the reverse direction when writing information by the card issuing machine, the information is written in an area other than the predetermined writing area and is issued. There was a problem that it could not be used as a magnetic card. The present invention has been made in consideration of such circumstances, and provides a magnetic card in which writing of information is prevented if the magnetic card is inserted into the card issuing machine in the reverse direction.

[0004]

According to the present invention, there is provided a magnetic card having a magnetic material layer on a surface of a substrate and capable of writing and reading information to and from a predetermined recording area of the magnetic material layer. The present invention provides a magnetic card, characterized in that a write prevention layer for preventing writing of information is laminated on an area other than a predetermined recording area of a magnetic layer.

[0005]

Since a layer for preventing the writing of information is laminated in the area other than the predetermined recording area of the magnetic layer, the writing of information cannot be performed when the magnetic card is inserted into the card issuing machine in the reverse direction. As a result, a defective card will not be issued.

[0006]

1 and 2 are a top view and a bottom view, respectively, of an embodiment of the present invention, in which an arrow 4 indicating the insertion direction of a card on the surface 1a of a magnetic card 1 and a card name,
Company name, contact information, etc. are printed. On the back surface 1b, a magnetic material is directly applied to the entire surface to form a magnetic layer.

FIG. 3 is a sectional view of this magnetic card.
5 is a 250 μm thick substrate, 6 is a 15 μm thick magnetic layer formed on the back surface of the substrate 5, 7 is a 10 μm thick printed layer formed on the surface of the substrate 5, and 8 is a 2 μm thick protection layer. Layer 9 is a printing layer.

[0008] The magnetic data on the card 1 writes is susceptible at any position for the entire surface in the magnetic layer is formed, the actual writing position, the card issuing machine to write data to the card 1 It is determined by the position of the write magnetic head, and when the card 1 is inserted into the card issuing machine in the direction of the arrow 4, the regular data recording area is the A × B area 2
Becomes

However, when the card 1 is inserted in the direction opposite to the arrow 4, the data recording portion becomes the area 3. Therefore, in this case, even if the card is inserted into the card reader from the direction of arrow 4, the read magnetic head and the data recording portion are at different positions, and a read error occurs, and this card cannot be used.

Therefore, when the card is issued, the data cannot be recorded even if the insertion direction is wrong so that the data cannot be recorded in the area A × B.
Printing layer 9 with a special ink that prevents magnetization within the range of
(FIG. 3).

In this embodiment, the print layer 9 is formed in a range overlapping with the <Caution> character displayed on the back surface of the card. The position of the print layer 9 may be the entire area 3 or a part thereof. The card is treated as an unreadable card in the data read check, since the printing layer 9 is in area 3 anyway and does not result in complete magnetic data. Therefore, it is possible to prevent shipping of a card in which data is written in the opposite direction by mistake when the card is issued.

[0012] Normally, a card for recording magnetic data is issued by a card issuing machine with a built-in data writing device. However, a large number of cards can be stacked in a card stocker and automatically sent. I have to. If the magnetic cards according to the present invention are used, even if the stacked cards are in the wrong direction, they will be rejected as a reading error, so they will not be shipped as they are, and when the cards are stacked in the card stocker The work of checking the direction of the arrow is also unnecessary.

The printing layer 9 in this embodiment is formed by printing the ink on the region 3, but it may be formed by adhering another material such as an insulating film. That is, the print layer 9 may be any layer as long as the write magnetic head cannot write normal data on the magnetic layer 6 at a predetermined distance or more from the magnetic layer 6. Since other materials and manufacturing methods for the magnetic card 1 are known, their description is omitted.

[0014]

Since the magnetic data can be recorded only in one direction with respect to the insertion direction of the card, it is not necessary to check all the card directions when issuing the card.

[Brief description of drawings]

FIG. 1 is a top view of a magnetic card according to an embodiment of the present invention.

FIG. 2 is a bottom view of the magnetic card according to the embodiment of the present invention.

FIG. 3 is a sectional view of the magnetic card of the embodiment shown in FIG.

[Explanation of symbols]

 1 Magnetic Card 2 Area 3 Area 5 Substrate 6 Magnetic Layer 7 Printing Layer 8 Protective Layer 9 Printing Layer

Claims (1)

Claim: What is claimed is: 1. A magnetic card having a magnetic layer on the surface of a substrate, wherein information can be written in and read from a predetermined recording area of the magnetic layer. A magnetic card comprising a write protection layer laminated on a region other than a predetermined recording region of the body layer to prevent writing of information.