JPH07304196A - Rewritable card reader/writer device and printing/ deleting method therefor - Google Patents

Abstract

PURPOSE:To provide a rewritable card reader/writer device and a printing/ deleting method wherein the best printing can be obtained all the time by supplying optimal printing energy or erasing energy dependent on the number of rewrite times or reflection density. CONSTITUTION:A device is equipped with a means for writing/reading the number of rewrite times in a rewrite card as a magnetic data, a means for storing printing energy or erasing energy dependent on the number of rewrite times, and a means for controlling printing energy to a thermal head 17 or erasing energy to a hot stamp 19. Dependent on the number of rewrite times, the printing energy to the thermal head 17 or the erasing energy to the hot stamp 19 is controlled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention erases data that has already been printed when a thermal stamp is pressed on the recording / display portion of a rewritable card for thermal characteristics, and the data is again recorded on the erased recording / display portion by a thermal head. The present invention also relates to a rewritable card reader / writer device capable of printing and a printing / erasing method thereof.

[0002]

2. Description of the Related Art At present, magnetic cards are already established and popular in Japan. Its application is often used as a payment medium, and it is also used for prepaid cards such as telephone cards, and its application is expanding. Then, in the prepaid card, the balance after using the card is recorded on the magnetic layer of the card to inform the consumer of the balance. In addition, as one of the methods for informing the same, a thermoreversible magnetic card (hereinafter referred to as "rewrite card") having a rewritable recording display section has been developed.

This rewrite card is a card provided with a recording display section having a print surface section on which thermoreversible magnetic recording materials are laminated and a magnetic recording surface section for recording magnetic data, and printing such as balance display on the print surface section. The balance display can be erased and reprinted, and the magnetic data can be read and written on the magnetic recording surface.

FIG. 8 is a top view showing an example of a generally known rewrite card. In FIG. 8, a rewrite card 1 has a recording display section 2 made of a thermoreversible recording material in a part thereof, and a magnetic layer (not shown) is laminated on the back surface side of the recording display section 2. Further, when nothing is printed on the record display unit 2, the record display unit 2 looks transparent, and when printed, it looks cloudy.

FIGS. 5 and 6 show an example of a conventional rewritable card reader / writer device. FIG. 5 is a schematic side view of the rewritable card reader / writer device and a perspective view showing the internal structure of the heat stamp of FIG. .

In FIGS. 5 and 6, this rewritable card reader / writer device 11 uses the rewritable card 1 shown in FIG. 8 as an example, and is mainly composed of a printing section 12, an erasing section 13, a stacker 14 and the like. It is configured.

More specifically, the conveying path 1 of the printing unit 12
On top of the rollers 5, rollers 15a, 15b, 15c, 15d, 1
5e, a magnetic head 16, a thermal head 17, and a platen 17a are arranged. Of these, the magnetic head 16 is
The data stored in the magnetic layer of the rewrite card is read and new data is written. The thermal head 17 prints on the record display portion of the rewrite card. A control circuit board 18 on which a control unit (not shown) for controlling the rewritable card reader / writer device 11 is mounted is attached to the upper portion of the printing unit 12.

The erasing section 13 has a heat stamp 19 and a sheet guide 20. The heat stamp 19 can be moved in the vertical direction (the direction of arrow AB in FIG. 5) by a solenoid 21, and the print is erased by being pressed against the recording display portion of the rewrite card conveyed onto the sheet guide 20. To do. The stacker 14 is capable of accommodating the rewritable cards whose prints have been erased in the recording / display section by the erasing section 13 being sequentially stacked.

Next, the structure of the heat stamp 19 will be further described with reference to FIG. 6. A stamp plate 22, a base 23, and an insulator 24 are sequentially laminated on the bottom of the heat stamp 19. In addition, the electrodes 25, 2 are provided on the upper surface of the insulator 24.
6, 27 and four heating elements 28a, 28b, 28c, 28
d is provided and a printed wiring pattern (not shown) is provided, and the electrodes 25 and 2 are provided via this printed wiring.
6 and the heating elements 28a to 28d are electrically connected to each other. Further, electric cables 19a are connected to the electrodes 25 and 26, respectively.

In this heat stamp 19, when a current is passed through the electric wire cable 19a in the direction of arrow E in FIG. 6, this current flows through the electrode 25, the heating elements 28a and 28b, the electrode 27, the heating elements 28c and 28d, and the electrode 26. Through the electric wire cable 19a in the direction of arrow F in FIG. 6, and at this time, heat is generated by the electric resistance in the heating elements 28a to 28d. Further, the heat of the heating element 28 is transmitted to the stamp plate 22 through the insulator 24 and the base 23, and the stamp plate 2
2 is warmed to about 75-85 ° C.

FIG. 7 is a flowchart showing the print erasing operation in the rewritable card reader / writer device 11 of FIG. Therefore, the operation of the rewritable card reader / writer device 11 shown in FIG. 5 will be described with reference to the flowchart of FIG. First, when printing is performed on the recording display portion of the rewrite card, the rewrite card is inserted from the insertion / ejection port 8. Then, the rewrite card is the roller 15a,
Data recorded on the magnetic layer of the rewrite card is conveyed by the roller 15b in the direction of arrow C in FIG.
The data is read by the magnetic head 16 arranged so as to face c (step S201). At this time, if the magnetic data cannot be read accurately, the magnetic data is discharged to the insertion / discharge port 8 (steps S210 and S209). The operator who knows this tries to insert again. If it is discharged again, it is discarded and a new rewrite card is used, and necessary processing is performed.

On the other hand, when the data is accurately read by the magnetic head 16, this rewrite card is further conveyed in the direction of arrow C by the rollers 15d and 15e and placed on the sheet guide 20 in the erasing section 13. The recording / display section is placed on the heat stamp 19 by the roller 15f.
Is positioned so as to face (step S20).
3). When the positioning is completed, the solenoid 21 is driven to press the heat stamp 19 in the direction of arrow A in FIG. 5, and the stamp plate 22 of the heat stamp 19 is pressed against the recording display portion. Then, the print recorded on the record display portion of the rewrite card is erased by the heat of the heat stamp 19 (step S204).

After the printing is erased, the drive of the solenoid 21 is released. Then, the heat stamp 19 shows the arrow B in FIG.
Is lifted in the direction and moves away from the recording display portion of the rewrite card. Then, the rewrite card that does not need to be returned is further conveyed in the direction of arrow C, stacked and stored in the stacker 14, and reused. On the other hand, the rewritable card which needs to be returned is conveyed by the rollers 15e to 15a in the direction of arrow D in FIG. If the print data does not need to be updated when it is returned, the print data is directly discharged to the insertion / discharge port 8 (steps S205 and S20).
9). When it is necessary to update the print data, the rewrite card is again written with the update data by the magnetic head 16, and the check read causes no problem (data:
OK), the print data is updated by being heated by the thermal head 17, and then discharged from the insertion discharge port 8 (steps S205, S206, S207, S208, S20).
9). If the data is not accurately read in step S207, the check read is repeated. If the data is not correctly read even after repeating n times, the print data is not updated and is directly discharged to the insertion / ejection port 8. (Steps S211, S209).

[0014]

However, in the above-mentioned apparatus having the conventional structure, the thermal head is controlled in accordance with the ambient temperature, but the optimum printing energy is obtained according to the number of rewrites of the rewrite card. It's not. For this reason, as the number of rewrites increases, there is a problem in that the print quality deteriorates, for example, the contrast becomes unclear, and the characters are difficult to read. Similarly, it is not possible to obtain the optimum erase energy according to the number of rewrites of the rewrite card. For this reason, as the number of rewrites increases, even if the data is erased, it is not made transparent, the reflection density increases, and the cloudiness remains and the contrast becomes unclear. There was a problem that it became difficult to do.

The present invention has been made in view of the above problems, and an object thereof is to provide a rewritable card which always supplies optimum printing energy or erasing energy in accordance with the number of rewrites or the reflection density to obtain the best printing. It is to provide a reader / writer device and a printing / erasing method.

[0016]

According to the present invention, an object of the present invention is to convey a rewrite card to a position facing a magnetic head, and use the magnetic head on a recording display portion of the rewrite card. It is possible to magnetically write data to, or magnetically read the written data, and to print on the record display unit by pressing a heat stamp on the record display unit of the rewrite card. A rewritable card reader capable of erasing the stored data and carrying the rewritable card, which has been erased by printing, to a position facing the thermal head, and reprinting by the thermal head on the recording and displaying section where the print has been erased. This is achieved by the writer device having any one of the configurations described in (1) to (6) below. (1) means for writing / reading the number of rewrites as magnetic data on the rewrite card, means for storing printing energy according to the number of rewrites, and means for controlling the printing energy for the thermal head And the printing energy to the thermal head is controlled according to the number of rewrites. (2) Means for writing / reading the number of rewrites as magnetic data on the rewrite card, means for storing erasing energy corresponding to the number of rewrites, and means for controlling the erasing energy for the thermal stamp. And erasing energy to the thermal stamp is controlled according to the number of rewrites. (3) Means for measuring the reflection density of the recording and displaying section of the rewrite card, means for storing the erasing energy corresponding to the density detected by the measuring means, and control of the erasing energy for the thermal stamp Means for controlling the erasing energy to the heat stamp according to the reflection density. (4) Means for writing / reading the number of rewrites as magnetic data on the rewrite card, means for storing erasing energy corresponding to the number of rewrites, and means for controlling the erasing energy for the thermal stamp. ,
Means for measuring the reflection density of the recording / display unit of the rewrite card, means for storing the erasing energy corresponding to the density detected by the measuring means, and means for controlling the erasing energy for the heat stamp And a means for comparing the erase energy according to the number of rewrites and the magnitude of the erase energy according to the concentration, and correcting the erase energy to the thermal stamper when there is a difference of a set value or more, and the number of rewrites The erasing energy for heat is controlled according to the reflection density. (5) means for writing / reading the number of rewrites as magnetic data on the rewrite card, means for storing printing energy corresponding to the number of rewrites, and means for controlling the printing energy for the thermal head A means for storing the erasing energy according to the number of rewrites and a means for controlling the erasing energy for the thermal stamp, and controlling the printing energy for the thermal head according to the number of rewrites when printing However, when erasing, the erasing energy to the thermal stamp is controlled according to the number of rewrites. (6) Means for writing / reading the number of rewrites as magnetic data on the rewrite card, means for storing printing energy according to the number of rewrites, and means for controlling the printing energy for the thermal head , Means for measuring the reflection density of the recording / display unit of the rewrite card, means for storing erasing energy corresponding to the density detected by the measuring means, and erasing energy for the heat stamp can be controlled When printing, the printing energy to the thermal head is controlled according to the number of rewrites, and when erasing, the erasing energy to the thermal stamp is controlled according to the reflection density.

Further, as a method thereof, the rewrite card is conveyed to a position facing the magnetic head, and the magnetic head magnetically writes data on the record display portion of the rewrite card, or the written data is written. The data can be magnetically read, and the data printed on the recording / display unit can be erased by pressing a heat stamp on the recording / display unit of the rewrite card. In a printing or erasing method of a rewritable card reader / writer device capable of carrying again to a position facing the thermal head and printing again on the recording and erasing part where the printing is erased, the following (7) to It is achieved by using any of the methods described in (12). (7) Data for magnetically writing / reading the number of rewrites is recorded on each rewrite card for each rewrite, and printing is performed while controlling the printing energy to the thermal head according to the number of rewrites. (8) Data for magnetically writing / reading the number of rewrites is recorded for each rewrite on the rewrite card and is printed while controlling the erase energy to the thermal stamp according to the number of rewrites. Erase the data. (9) The reflection density of the recording display portion of the rewrite card is measured, and the printed data is erased while controlling the erasing energy to the thermal stamp according to the reflection density. (10) Data for magnetically writing / reading the number of rewrites is recorded for each rewrite on the rewrite card, a table of erasing energy applied to the thermal stamp according to the number of rewrites, and the rewrite card And a table of erasing energy to be applied to the heat stamp according to the reflection density is measured, and the erasing energy according to the number of rewrites and the erasing energy according to the density are measured. And the erasing energy to the thermal stamper is corrected when there is a difference of a set value or more between the two energies, and the printed data is erased with the corrected erasing energy. (11) Data for magnetically writing / reading the number of rewrites is recorded for each rewrite on the rewrite card, and when printing, controlling the printing energy to the thermal head according to the number of rewrites. When printing and erasing, the printed data is erased while controlling the erasing energy to the thermal stamp according to the number of rewrites. (12) Data for magnetically writing / reading the number of rewrites is recorded for each rewrite on the rewrite card, and when printing, controlling the printing energy to the thermal head according to the number of rewrites. When printing and erasing, the reflection density of the recording and displaying portion of the rewrite card is measured, and the printed data is erased while controlling the erasing energy to the thermal stamp according to the reflection density.

[0018]

According to the means for solving the above (1) and (7), the printing energy applied to the thermal head is changed according to the number of rewrites, and the contrast becomes unclear as the number of rewrites increases. It is possible to prevent the print quality from decreasing and to correct the print quality.

According to the means for solving the above (2) and (8), the erasing energy applied to the heat stamp is changed according to the number of rewrites, and the recording and display section of the rewrite card becomes cloudy as the number of rewrites increases. As a result, it is possible to prevent the contrast and the like from becoming unclear and tend to deteriorate the print quality, and to correct the print quality.

According to the means for solving the above (3) and (9), the erasing energy applied to the heat stamp is changed according to the reflection density of the recording and displaying portion of the rewrite card, and the recording and displaying portion is clouded and reflected. When the density decreases, the contrast or the like becomes unclear, the print quality tends to be prevented from being deteriorated, and the print quality can be corrected.

According to the means for solving the above (4) and (10), the erasing energy according to the number of rewrites is compared with the magnitude of the erasing energy according to the concentration, and when there is a difference of a set value or more, the heat Since the erase energy to the stamp is corrected, the optimal erase energy for the thermal stamp can be obtained from the two data of the number of retries and the reflection density.

According to the means for solving the above (5) and (11), the printing energy applied to the thermal head is changed according to the number of rewrites, and the contrast becomes unclear as the number of rewrites increases. It is possible to prevent the print quality from deteriorating and to correct the print quality, and the erasing energy applied to the heat stamp is changed according to the number of retries. It is possible to prevent the print quality from being deteriorated by making the recording and display portion cloudy and making the contrast and the like unclear, and to correct the print quality.

According to the means for solving the above (6) and (12), the printing energy applied to the thermal head is changed according to the number of rewrites, and the contrast becomes unclear as the number of rewrites increases. It is possible to prevent the print quality from tending to deteriorate and to correct the print quality, and the erasing energy applied to the heat stamp can be changed according to the reflection density of the record display section of the rewrite card, and However, when the image is clouded and the reflection density is reduced, the contrast and the like become unclear, and the print quality tends to be prevented from deteriorating, and the print quality can be corrected.

[0024]

Embodiments of the present invention will be described in detail below with reference to the drawings. 1 and 2 show a rewritable card reader / writer device as an embodiment of the present invention. FIG. 1 is a schematic side view of the rewritable card reader / writer device, and FIG. 2 is a perspective view showing an internal structure of a heat stamp. Is. In FIGS. 1 and 2, members corresponding to those of the rewritable card reader / writer device shown in FIGS. 5 and 6 will be described with the same reference numerals as those in FIGS.

In FIGS. 1 and 2, the rewritable card reader / writer device 11 uses the rewritable card 1 shown in FIG. 8 as an example, and mainly includes a printing unit 12, an erasing unit 13, a stacker 14 and the like. It is configured.

More specifically, the conveying path 1 of the printing section 12
On top of the rollers 5, rollers 15a, 15b, 15c, 15d, 1
5e, a magnetic head 16, a thermal head 17, a platen 17a, and a photoelectric sensor array 10 are arranged. Among them, the magnetic head 16 reads the data stored in the magnetic layer of the rewrite card and writes new data. The thermal head 17 prints on the record display portion of the rewrite card. Photoelectric sensor array 10
Is arranged between the thermal head 17 and the thermal stamp 19, measures the reflection density in the recording display portion of the rewrite card conveyed on the conveyance path 15, and outputs a signal according to the measured reflection density. To do. A control circuit board 18 on which a control unit 50 for controlling the rewritable card reader / writer device 11 and the like is mounted is provided above the printing unit 12.
Is attached. When the number of rewrites recorded as magnetic data on the rewrite card is read by the magnetic head 16, the controller 50 has a RAM 8 for temporarily storing the magnetic data and the like, and, for example, FIG.
The erase energy table 51 corresponding to the number of rewrites, the erase energy table 52 corresponding to the reflection density measured by the photoelectric sensor array, and the printing energy table 53 corresponding to the number of rewrites are stored and held. A ROM 9 is added for this purpose.

The erasing section 13 has a heat stamp 19 and a sheet guide 20. The heat stamp 19 can be moved in the vertical direction (direction of arrow AB in FIG. 1) by a solenoid 21, and the print is erased by being pressed into contact with the record display portion of the rewrite card conveyed onto the sheet guide 20. To do. The stacker 14 is capable of accommodating the rewritable cards whose prints have been erased in the recording / display section by the erasing section 13 being sequentially stacked.

Next, the structure of the heat stamp 19 will be further described with reference to FIG. 2. At the bottom of the heat stamp 19, a stamp plate 22, a base 23 and an insulator 24 are sequentially laminated. In addition, the electrodes 25, 2 are provided on the upper surface of the insulator 24.
6, 27 and four heating elements 28a, 28b, 28c, 28
d is provided and a printed wiring pattern (not shown) is provided, and the electrodes 25 and 2 are provided via this printed wiring.
6 and the heating elements 28a to 28d are electrically connected to each other. Further, electric cables 19a are connected to the electrodes 25 and 26, respectively.

In the heat stamp 19, when a current is passed through the electric wire cable 19a in the direction of arrow E in FIG. 2, this current is applied to the electrode 25, the heating elements 28a and 28b, the electrode 27, the heating elements 28c and 28d, and the electrode 26. 2 through the electric wire cable 19a in the direction of arrow F in FIG. 2, at which time heat is generated by the electric resistance in the heating elements 28a to 28d. Further, the heat of the heating element 28 is transmitted to the stamp plate 22 through the insulator 24 and the base 23, and the stamp plate 2
2 is warmed to about 75-85 ° C.

FIG. 3 is a block diagram of the control circuit in the rewritable card reader / writer device of this embodiment.
The control system of the rewritable card reader / writer device 11 includes an erase energy table 51 according to the number of rewrites stored and stored in the ROM 9, an erase energy table 52 according to the reflection density measured by the photoelectric sensor array, and a number of rewrites. In addition to the printing energy table 53 according to the above, a magnetic head 16 and a conveying unit are provided in a control unit (CPU) 50 in which a PCS calculation unit 54 for determining a PCS value from the output signal of the photoelectric sensor array 10 is mounted. 30, the thermal stamp 19, the thermal head 17, and the photoelectric sensor array 10 are connected, and these are controlled by the control unit 50.

FIG. 4 is a flow chart showing the print erasing operation in the rewritable card reader / writer device 11 of this embodiment. Therefore, the operation of the rewritable card reader / writer device 11 shown in FIG. 1 will be described with reference to the flowchart of FIG. First, when printing is performed on the recording display portion of the rewrite card, the rewrite card is inserted from the insertion / ejection port 31. Then, the rewrite card is roller 1
5a and 15b convey in the direction of arrow C in FIG.
The data recorded on the magnetic layer of the rewrite card is read by the magnetic head 16 arranged so as to face the roller 15c (step S101). If the magnetic data cannot be read accurately at this time, the insertion / ejection port 31
Are discharged (steps S112 and S111). The operator who knows this tries to insert again. If it is discharged again, it is discarded and a new rewrite card is used, and necessary processing is performed.

On the other hand, when the magnetic data is accurately read by the magnetic head 16, the number of rewrites recorded in the magnetic data is first checked, and the number of rewrites is temporarily stored in the RAM 8. . Further, the control unit 50 sets the optimum printing energy and erasing energy from the table 53 and the table 51, respectively, depending on the checked number of rewrites (step S10).
3).

Further, the rewrite card is conveyed to the position of the photoelectric sensor array 10 (step S104), and the photoelectric sensor array 10 detects the reflection density of the recording / display section. Here, as the density of the recording / display section becomes higher and the state becomes cloudy, less reflection occurs, and this output signal becomes P
The reflection density is input to the CS calculation unit 54, and the control unit 50 sets the optimum erase energy from the table 52 based on the reflection density. Further, when there is a difference larger than a preset value between the erase energy value obtained from the table 52 and the erase energy value obtained from the table 51, the erase energy corresponding to the reflection density is changed. The erasing energy is corrected under the condition that the erasing energy obtained from the table 52 has a superiority, and the corrected erasing energy is set as the optimum erasing energy to be applied to the thermal stamp 19 (step S105).

Next, the rewritable card has rollers 15
The sheet is further conveyed in the direction of arrow C by d and 15e and placed on the sheet guide 20 in the erasing section 13, and the roller 15f.
Thus, the recording / display unit is positioned so as to face the heat stamp 19 (step S106). When the positioning is completed, the solenoid 21 is driven to press the heat stamp 19 in the direction of arrow A in FIG. 1, and the stamp plate 22 of the heat stamp 19 is pressed against the recording display portion. Then, the print recorded on the record display portion of the rewrite card is erased by the heat of the heat stamp 19 to which the erase energy is applied (step S107). In this case, the erase is performed with energy optimized from the number of rewrites and the reflection density, so that the cloudy portion does not remain.

After the printing is erased, the driving of the solenoid 21 is released. Then, the heat stamp 19 shows the arrow B in FIG.
Is lifted in the direction and moves away from the recording display portion of the rewrite card. Then, the rewrite card that does not need to be returned is further conveyed in the direction of arrow C, stacked and stored in the stacker 14, and reused.

On the other hand, the rewritable card which needs to be returned is erased by printing, and then the rollers 15e to 15a are used to remove the rewritable card as shown in FIG.
It is conveyed in the direction of the arrow D in the inside. If the print data does not need to be updated when it is returned, the print data is directly discharged to the insertion / discharge port 31 (steps S108 and S112).
If the print data needs to be updated, the rewrite card writes the update data (the rewrite count is also incremented by 1 at this time) by the magnetic head 16 again, and if there is no problem in check reading (data: OK). After being heated by the thermal head 17 to update the print data, the print data is discharged from the insertion discharge port 31 (step S10).
8, S109, S110, S111, S112). Further, the printing energy applied to the thermal head 17 here is the energy optimized from the number of rewrites, that is, the set energy obtained from the table 53. On the other hand, if the data is not accurately read in step S108, the check read is repeated,
If the print data cannot be read correctly even after repeating n times, the print data is not updated and is directly discharged to the insertion / discharge port 31 (steps S103 and S112).

In the above embodiment, the erase energy table 51 according to the number of rewrites, the erase energy table 52 according to the reflection density measured by the photoelectric sensor array, and the print energy table 53 according to the number of rewrites are provided. Printing and erasing are performed using all of the elements that set the printing energy according to the number of rewrites, the element that sets the erasing energy according to the number of rewrites, and the element that sets the erasing energy according to the reflection density. Although the case has been described, it goes without saying that printing or erasing may be performed using only one of these elements, or a combination of these may be performed.

[0038]

As described above, according to the present invention described in each claim, the following effects can be expected. (1) According to the inventions of claims 1 and 7,
The print energy applied to the thermal head is changed according to the number of rewrites, and it is possible to prevent the contrast from becoming unclear and the print quality tending to deteriorate as the number of rewrites increases. Can be obtained.

(2) According to the invention described in claims 2 and 8, the erasing energy applied to the heat stamp is changed according to the number of retries, and the record display of the rewrite card is performed as the number of rewrites increases. It is possible to prevent the print quality from being deteriorated due to the cloudiness of the part and making the contrast unclear, and to always obtain the best print quality.

(3) According to the third and ninth aspects of the invention, the erasing energy applied to the heat stamp is changed according to the reflection density of the recording and displaying portion of the rewrite card, and the recording and displaying portion becomes cloudy. Then, when the reflection density is lowered, the contrast or the like becomes unclear, and it is possible to prevent the print quality from tending to deteriorate, so that the optimum print quality can always be obtained.

(4) According to the inventions of claims 4 and 10, when the erase energy according to the number of rewrites is compared with the magnitude of the erase energy according to the concentration, and there is a difference of a set value or more, Since the erasing energy for the heat stamp is corrected, the optimum erasing energy for the heat stamp can always be obtained from the two data of the number of retries and the reflection density, and the print quality can be improved.

(5) According to the fifth and eleventh aspects of the present invention, the printing energy applied to the thermal head is changed according to the number of rewrites, and the contrast and the like become unclear as the number of rewrites increases. It is possible to prevent the print quality from deteriorating and to correct the print quality, and the erasing energy applied to the heat stamp can be changed according to the number of rewrites. It is possible to prevent the recording display portion of the rewrite card from becoming cloudy and making the contrast and the like unclear, which tends to deteriorate the print quality, and always obtain the best print quality.

(6) According to the sixth and twelfth aspects of the present invention, the printing energy applied to the thermal head is changed according to the number of rewrites, and the contrast and the like become unclear as the number of rewrites increases. It is possible to prevent that the print quality tends to deteriorate, and the print quality can be corrected, and the erasing energy applied to the heat stamp can be changed according to the reflection density of the recording display portion of the rewrite card. When the recording / display portion becomes cloudy and the reflection density decreases, the contrast and the like become unclear, and the print quality tends to be prevented from deteriorating, so that the optimum print quality can always be obtained.

[Brief description of drawings]

FIG. 1 is a schematic side view showing an embodiment of the present invention.

FIG. 2 is a perspective view showing an internal configuration of a heat stamp.

FIG. 3 is a block diagram showing an embodiment of the present invention.

FIG. 4 is a flowchart showing a print erasing operation of the present invention.

FIG. 5 is a schematic side view showing an example of a conventional device.

FIG. 6 is a perspective view showing the internal structure of a heat stamp.

FIG. 7 is a flowchart showing a print erasing operation of a conventional device.

FIG. 8 is a top view showing an example of a general rewrite card.

[Explanation of Codes] 1 Rewrite Card 2 Recording Display Section 10 Photoelectric Sensor Array 11 Rewritable Card Reader / Writer Device 16 Magnetic Head 17 Thermal Head 19 Thermal Stamp 50 Control Section

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display location G07F 7/08 D

Claims (12)

[Claims] 1. A rewritable card is conveyed to a position facing a magnetic head, and the magnetic head magnetically writes data on a record display portion of the rewrite card or magnetically reads the written data. In addition, it is possible to erase the data printed on the record display section by pressing a heat stamp on the record display section of the rewrite card, and the print erased rewrite card faces the thermal head. In a rewritable card reader / writer device capable of being reprinted by the thermal head onto the recording / displayed portion where the print has been erased, the means for writing / reading the number of rewrites as magnetic data on the rewrite card. And store the printing energy corresponding to the number of rewrites. Means and said a controllable means for printing energy of the thermal head, rewritable card reader-writer device being characterized in that so as to control the printing energy to said thermal head in accordance with the number of rewrites. 2. A rewritable card is conveyed to a position facing a magnetic head, and the magnetic head magnetically writes data on a record display portion of the rewrite card or magnetically reads the written data. In addition, it is possible to erase the data printed on the record display section by pressing a heat stamp on the record display section of the rewrite card, and the print erased rewrite card faces the thermal head. In a printing method of a rewritable card reader / writer device capable of being reprinted by the thermal head onto the recording / display portion where the print has been erased, the number of times of rewriting is magnetically performed for each rewrite on the rewrite card. Writeable / readable data is recorded in the Printing method of the rewritable card reader-writer device, characterized in that the printed while controlling the printing energy to said thermal head Te. 3. A rewritable card is conveyed to a position facing a magnetic head, and the magnetic head magnetically writes data on a recording / display section of the rewrite card or magnetically reads the written data. In addition, it is possible to erase the data printed on the record display section by pressing a heat stamp on the record display section of the rewrite card, and the print erased rewrite card faces the thermal head. In a rewritable card reader / writer device capable of being reprinted by the thermal head onto the recording / displayed portion where the print has been erased, the means for writing / reading the number of rewrites as magnetic data on the rewrite card. And memorize the erase energy according to the number of rewrites. Means and includes a controllable means for erasing energy to said thermal head, rewritable card reader-writer device being characterized in that so as to control the erasing energy to said heat stamp according to number of rewrites. 4. A rewritable card is conveyed to a position facing a magnetic head, and the magnetic head magnetically writes data on a record display portion of the rewrite card or magnetically reads written data. In addition, it is possible to erase the data printed on the record display section by pressing a heat stamp on the record display section of the rewrite card, and the print erased rewrite card faces the thermal head. In the erasing method of a rewritable card reader / writer device capable of being reprinted by the thermal head on the recording / display portion where the printing and erasing have been performed, the number of times of rewriting is magnetically performed for each rewrite on the rewrite card. Writeable / readable data is recorded in the Erasing method of the rewritable card reader-writer apparatus characterized by erasing the data that is printed while controlling the erasing energy to said heat stamp Te. 5. A rewritable card is conveyed to a position facing a magnetic head, and the magnetic head magnetically writes data on a recording / display section of the rewrite card or magnetically reads written data. In addition, it is possible to erase the data printed on the record display section by pressing a heat stamp on the record display section of the rewrite card, and the print erased rewrite card faces the thermal head. In a rewritable card reader / writer device capable of being reprinted by the thermal head onto the recording and erasing portion which has been printed and erased, the means for measuring the reflection density of the recording and displaying portion of the rewrite card, , Erasing energy corresponding to the concentration detected by the measuring means is stored Stage and said a controllable means for erasing energy to the thermal head, rewritable card reader-writer device being characterized in that so as to control the erasing energy to said heat stamp in response to the reflection density. 6. A method of transporting a rewrite card to a position facing a magnetic head, and magnetically writing data on the recording / display unit of the rewrite card by the magnetic head, or reading the written data magnetically. In addition, it is possible to erase the data printed on the record display section by pressing a heat stamp on the record display section of the rewrite card, and the print erased rewrite card faces the thermal head. In a method of erasing a rewritable card reader / writer device capable of being reprinted by the thermal head onto the recording / display section where the print has been erased, the reflection density of the recording / display section of the rewrite card is measured. Then, the erasing energy to the heat stamp is controlled according to the reflection density to print. Erasing method of the rewritable card reader-writer apparatus characterized by erasing the data being. 7. A rewrite card is conveyed to a position facing a magnetic head, and the magnetic head magnetically writes data on the recording / display section of the rewrite card or magnetically reads the written data. In addition, it is possible to erase the data printed on the record display section by pressing a heat stamp on the record display section of the rewrite card, and the print erased rewrite card faces the thermal head. In a method of erasing a rewritable card reader / writer device capable of being reprinted by the thermal head on the recording / display portion where the printing and erasing are performed, the number of rewrites is written / read as magnetic data on the rewrite card. And the erase energy according to the number of rewrites. Memorizing means, means capable of controlling the erasing energy to the heat stamp, means for measuring the reflection density of the recording and displaying portion of the rewrite card, erasing according to the density detected by the measuring means A means for storing energy, a means capable of controlling the erasing energy to the heat stamp, and comparing the erasing energy according to the number of rewrites and the magnitude of the erasing energy according to the concentration, a difference of a set value or more A rewritable card reader / writer device comprising means for correcting the erasing energy to the heat stamp at a certain time. 8. A rewrite card is conveyed to a position facing a magnetic head, and the magnetic head magnetically writes data on a recording / display section of the rewrite card or magnetically reads the written data. In addition, it is possible to erase the data printed on the record display section by pressing a heat stamp on the record display section of the rewrite card, and the print erased rewrite card faces the thermal head. In the erasing method of a rewritable card reader / writer device capable of being reprinted by the thermal head on the recording / display portion where the printing and erasing have been performed, the number of times of rewriting is magnetically performed for each rewrite on the rewrite card. The writable / readable data is recorded in the And a table of erasing energy to be applied to the heat stamp, and a table of erasing energy to be applied to the heat stamp according to the reflection density by measuring the reflection density of the recording display portion of the rewrite card. At the same time, the erasing energy according to the number of rewrites and the magnitude of the erasing energy according to the concentration are compared, and when there is a difference of a set value or more between the two energies, the erasing energy to the thermal stamp is corrected. A method of printing and erasing a rewritable card reader / writer device, characterized in that the printed data is erased by the erase energy after correction. 9. A rewrite card is conveyed to a position facing a magnetic head, and the magnetic head magnetically writes data on a recording / display section of the rewrite card or magnetically reads the written data. In addition, it is possible to erase the data printed on the record display section by pressing a heat stamp on the record display section of the rewrite card, and the print erased rewrite card faces the thermal head. In a rewritable card reader / writer device capable of being reprinted by the thermal head onto the recording / displayed portion where the print has been erased, the means for writing / reading the number of rewrites as magnetic data on the rewrite card. And store the printing energy corresponding to the number of rewrites. Means for controlling printing energy to the thermal head, means for storing erasing energy according to the number of rewrites, and means for controlling erasing energy to the thermal stamp, The rewritable card reader / writer device is characterized in that the printing energy to the thermal head is controlled according to the number of rewrites when performing, and the erasing energy to the thermal stamp is controlled according to the number of rewrites when erasing. 10. A rewrite card is conveyed to a position facing a magnetic head, and the magnetic head magnetically writes data on the recording / display unit of the rewrite card or magnetically reads the written data. In addition, it is possible to erase the data printed on the record display section by pressing a heat stamp on the record display section of the rewrite card, and the print erased rewrite card faces the thermal head. In a printing and erasing method of a rewritable card reader / writer device capable of being reprinted by the thermal head on the recording / display portion where the printing and erasing have been performed, the number of rewrites for each rewrite to the rewrite card Data that can be written / read magnetically is recorded and printed. When printing, the print energy is controlled while controlling the printing energy to the thermal head according to the number of rewrites, and when erasing, the data printed is controlled while controlling the erasing energy to the thermal stamp according to the number of rewrites. A method of printing and erasing a rewritable card reader / writer device characterized by erasing. 11. A rewrite card is conveyed to a position facing a magnetic head, and the magnetic head magnetically writes data on the recording / display unit of the rewrite card or magnetically reads the written data. In addition, it is possible to erase the data printed on the record display section by pressing a heat stamp on the record display section of the rewrite card, and the print erased rewrite card faces the thermal head. In a rewritable card reader / writer device capable of being reprinted by the thermal head onto the recording / displayed portion where the print has been erased, the means for writing / reading the number of rewrites as magnetic data on the rewrite card. And store the printing energy according to the number of rewrites Means, a means capable of controlling the printing energy to the thermal head, a means for measuring the reflection density of the recording and displaying section of the rewrite card, and an erasing energy corresponding to the density detected by the measuring means. And a means capable of controlling the erasing energy to the heat stamp, controlling the printing energy to the thermal head according to the number of rewrites when printing, and depending on the reflection density when erasing. A rewritable card reader / writer device characterized in that erasing energy to the heat stamp is controlled. 12. A rewritable card is conveyed to a position facing a magnetic head, and the magnetic head magnetically writes data on a record display portion of the rewrite card or magnetically reads written data. In addition, it is possible to erase the data printed on the record display section by pressing a heat stamp on the record display section of the rewrite card, and the print erased rewrite card faces the thermal head. In a printing and erasing method of a rewritable card reader / writer device capable of being reprinted by the thermal head on the recording / display portion where the printing and erasing have been performed, the number of rewrites for each rewrite to the rewrite card Data that can be written / read magnetically is recorded and printed. Printing is performed while controlling the printing energy to the thermal head according to the number of rewrites, and when erasing is performed, the reflection density of the recording display portion of the rewrite card is measured, and the thermal stamp is printed according to the reflection density. A method of printing and erasing a rewritable card reader / writer device, which comprises erasing printed data while controlling erasing energy to the device.