JP3012416U - Great circle mark reading device for prepaid cards - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a prepaid card reading device which has a simple structure and is effective for distinguishing between a large circle mark and a small circle mark. [Structure] The great circle mark 2 is magnified with a lens, and a first detection sensor S1 is arranged at the center position of the magnified great circle mark image 20. Moreover, the first detection sensor S1 is the small circle mark image 3
The second to fourth detection sensors S2 to S4 are arranged near the outer circumference of the great circle mark image 20.
S4 is provided, and these second to fourth detection sensors S
2 to S4 are configured by placing the circle mark image 30 at a position where it is not captured.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a prepaid card reading device, and more particularly to a great circle mark reading device printed on the surface of a prepaid card.

[0002]

[Prior art]

 Recently, as a prepaid card, mainly for the purpose of data tampering and fraud prevention, the balance is printed and displayed as binary data on the surface of a paper or plastic card with a gray mark, and the display is updated each time the balance is updated. Cards are being used. In such a prepaid card, a balance display consisting of a series of marks is additionally printed alongside the old balance display for each transaction.

In such a prepaid card, when many transactions are made while the print space for displaying the balance is limited, the space becomes full in a short period of time, and subsequent writing and recording becomes impossible. . Therefore, overwriting is attempted in order to record many transactions in a limited small print space. As shown in FIG. 2, in such an overwriting structure, the first printing on the prepaid card 10 is performed by the small circle mark 3 having a relatively small diameter, and the second printing is larger in size than the circle mark 3. There is a large circle mark 2 in which the center is made the same as the center of the small circle mark 3 of the first printing and overwriting is performed.

Further, as a device for reading the presence / absence and type of a mark from a prepaid card of such a printing format, conventionally, a photodiode is used to irradiate light and the reflected light is captured by an optical sensor to determine the intensity difference of the reflected light. There was a configuration that was judged based on this. Alternatively, a structure in which the entire image of the mark is captured and judged by pattern recognition technology has been proposed.

[0005]

However, in the conventional configuration as described above, for example, the determination based on the intensity difference of the reflected light captured by the optical sensor increases the error when the difference in the light amount becomes small and causes misreading. There was a problem. In addition, the configuration that uses pattern recognition technology has the drawbacks that the device is very expensive and it is difficult to miniaturize it. In both cases, there was a large error in distinguishing between the small circle mark and the large circle mark.

The present invention has been made to solve the problems of the prior art, and an object thereof is to provide a prepaid card reading device which has a simple structure and is particularly effective for distinguishing a great circle mark. It is in.

[0007]

[Means for Solving the Problems]

 The great circle mark reading device for a prepaid card of the present invention uses a small circle mark on either side of "0" or "1" of each bit of balance data composed of binary numbers on the card surface. In the prepaid card reading device in which the balance is displayed on the other side with no mark and the size of the small circle mark is covered, and the small circle mark is overwritten with the great circle mark, The first detection sensor is arranged at the center position of the large circle mark image in which the circle mark is enlarged, and the first detection sensor is arranged at a position not deviating from the small circle mark image. A plurality of detection sensors are arranged in the vicinity of the outer circumference of the circle mark image, and the plurality of detection sensors are arranged at positions where the small circle mark image is not captured.

[0008]

[Action]

 In the prepaid card great circle mark reading device of the present invention configured as described above, when the great circle mark is present, all the detection sensors detect an image, and the great circle mark is not present, and only the small circle mark is present. When present, only the first detection sensor detects the image, and when neither the large circle mark nor the small circle mark exists, all the detection sensors do not detect the image. In addition, if the great circle mark is not detected over the entire printing surface of the prepaid card, it is the first record, and if even one great circle mark is detected, it is the second (overwrite) record. To be judged. As described above, the first recording or the overwriting recording can be discriminated, and "0" and "1" can be discriminated depending on the presence or absence of each mark. As a result, it is possible to write twice in a small print space, and it is possible to handle more transaction records.

[0009]

【Example】

 The prepaid card targeted by the present invention has a circle mark at the first recording on either side of "0" or "1" of each bit of the balance data composed of binary values on the surface thereof. , The balance is displayed on the other side with no mark, and in the second (overwriting) recording, it has a dimension that covers the small circle mark, and it is the same as the small circle mark. One side of 1 "and the other side shall be displayed with no mark. In addition, it is desirable that the large circle mark and the small circle mark be formed in black. In addition, at least one of the balance data printed and displayed on the surface of the card is a mark.

FIG. 1 is a schematic diagram of an embodiment of a great circle mark reading device for a prepaid card according to the present invention. An embodiment of the present invention will be described below with reference to FIG. In the prepaid card great circle mark reading apparatus 1 of the present invention, the first detection sensor S1 is arranged at the center position of the great circle mark image 20 obtained by enlarging the great circle mark on the surface of the prepaid card with a lens (not shown). Is set up. The first detection sensor S1 has the same center as the great circle mark image 20 and is arranged at a position that does not deviate from the small circle mark image 30 that does not protrude from the great circle mark image 20. Further, in the vicinity of each vertex of the great circle mark image 20, the second to fourth detection sensors S2 to S4 are arranged at positions where none of the circle mark images 30 is captured.

The detection signals m1 to m4 of the respective detection sensors are input to the determination matrix circuit 11. The determination matrix circuit 11 determines the presence or absence and the type of the mark based on the combination of the detection levels p11 to p14 of the detection signals m1 to m4.

Next, the operation will be described. When the great circle mark 2 is present at the position of interest on the surface of the prepaid card, the great circle mark image 20 appears. At this time, all of the first to fourth detection sensors S1 to S4 detect the image, and the determination matrix circuit 11 detects the high levels of all the detection levels p11 to p14 of the detection signals m1 to m4. As a result, it is determined that the great circle mark 2 exists at the position of interest on the prepaid card surface.

On the other hand, when the great circle mark 2 does not exist at the position of interest on the prepaid card surface and only the small circle mark 3 exists, only the small circle mark image 30 appears. At this time, only the first detection sensor S1 detects an image and becomes a high level p21, and the other second to fourth detection sensors S2 to S4 show a low level like p22. Therefore, the determination matrix circuit 11 determines that the great circle mark 2 does not exist at the position of interest on the prepaid card surface and only the small circle mark 3 exists.

Next, when neither the large circle mark 2 nor the small circle mark 3 exists, all the first to fourth detection sensors S1 to S4 do not detect an image, and all of them are like p31 and p32. Indicates low level. Therefore, the determination matrix circuit 11 determines that neither the large circle mark 2 nor the small circle mark 3 exists at the landing position on the surface of the prepaid card.

Further, when the great circle mark is not detected over the entire printing surface of the prepaid card, it is the first recording, and when even one great circle mark is detected, it is the second (overwriting) recording. It is easily judged. As described above, the first recording or the overwriting recording can be discriminated, and "0" and "1" can be discriminated depending on the presence or absence of each mark.

[0016]

[Effect of device]

 As described above, in the great circle mark reading device for a prepaid card according to the present invention, all the detection sensors detect an image when the great circle mark exists, and the great circle mark does not exist, and only the small circle mark exists. When there is a mark, only the first detection sensor detects the image, and when neither the large circle mark nor the small circle mark exists, all the detection sensors do not detect the image. It can be distinguished with extremely high accuracy. Further, the first recording or the overwritten recording can be easily discriminated. That is, when the great circle mark is not detected over the entire printing surface of the prepaid card, it is the first recording, and when even one great circle mark is detected, it is the second (overwriting) recording. As a result of the above, it is possible to write twice in a small print space, and it is possible to handle a larger number of transaction records.

[Brief description of drawings]

FIG. 1 is a schematic view of an embodiment of a great circle mark reading device for a prepaid card according to the present invention.

FIG. 2 is an explanatory diagram of overwriting printing on a prepaid card.

[Explanation of symbols]

 1 Large circle mark reading device for prepaid card 2 Large circle mark 3 Small circle mark 10 Prepaid card 11 Judgment matrix circuit 20 Large circle mark image 30 Small circle mark image S1 to S4 Detection sensor m1 to m4 Detection signal p11 to p32 Detection level

Claims (1)

[Scope of utility model registration request] 1. A balance is displayed on the card surface with a small circle mark on either side of "0" or "1" of each bit of the balance data composed of binary values and no mark on the other side. In a reading device for a prepaid card which has a size that covers the small circle mark and is overwritten with a great circle mark having the same center as the small circle mark, the great circle mark is enlarged. A first detection sensor is arranged at the central position of the image, and the first detection sensor is arranged at a position that does not deviate from the small circle mark image, and a plurality of detection sensors are provided in the vicinity of the outer circumference of the great circle mark image. A large circle mark reading device for a prepaid card, characterized in that a sensor is provided, and the plurality of detection sensors are arranged at positions where the small circle mark image is not captured.