CN111753931B - Card issuing device - Google Patents

Card issuing device Download PDF

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Publication number
CN111753931B
CN111753931B CN202010180287.6A CN202010180287A CN111753931B CN 111753931 B CN111753931 B CN 111753931B CN 202010180287 A CN202010180287 A CN 202010180287A CN 111753931 B CN111753931 B CN 111753931B
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CN
China
Prior art keywords
card
communication
unit
consumable
communication unit
Prior art date
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Application number
CN202010180287.6A
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Chinese (zh)
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CN111753931A (en
Inventor
竹内淳朗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nidec Instruments Corp
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Nidec Sankyo Corp
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Publication of CN111753931A publication Critical patent/CN111753931A/en
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Publication of CN111753931B publication Critical patent/CN111753931B/en
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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K13/00—Conveying record carriers from one station to another, e.g. from stack to punching mechanism
    • G06K13/02—Conveying record carriers from one station to another, e.g. from stack to punching mechanism the record carrier having longitudinal dimension comparable with transverse dimension, e.g. punched card
    • G06K13/08—Feeding or discharging cards
    • G06K13/10—Feeding or discharging cards from magazine to conveying arrangement
    • G06K13/103—Feeding or discharging cards from magazine to conveying arrangement using mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/335—Structure of thermal heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4075—Tape printers; Label printers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/44—Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions
    • B41J3/445—Printers integrated in other types of apparatus, e.g. printers integrated in cameras

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Near-Field Transmission Systems (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

The invention provides a card issuing device which can reliably communicate with a wireless tag of a consumable product. The card issuing device (1) issues a card (2). The consumable communication unit (31) performs short-range wireless communication with the card (2). The consumable product communication unit (31) performs near field wireless communication with a wireless tag (300) provided on a consumable product (3) for issuing a card (2). The control unit (10) performs communication control of the card communication unit (41) and the consumable communication unit (31). The control unit (10) adjusts the characteristics of the receiving circuit when the communication control is performed by the consumable communication unit (31).

Description

Card issuing device
Technical Field
More particularly, the present invention relates to a card issuing apparatus that issues a card.
Background
Conventionally, a card issuing apparatus for issuing a card-shaped recording medium (hereinafter, simply referred to as a "card") is known.
For example, patent document 1 discloses a compact card issuing device including: a card stack unit having a card housing portion for housing cards before issuance and a card feeding mechanism for feeding the lowermost card in the card housing portion in a stacked manner; a card reader unit that reads and records at least one of data recorded on a card; a printing unit that performs printing on a card; and a card turning unit that turns the front and back sides of the card.
Here, the card reader unit of the conventional card issuing apparatus described in patent document 1 may be configured to read and write data using short-range wireless to a contactless IC card to which RFID (Radio Frequency IDentifier: radio frequency identification) is applied.
On the other hand, in the card issuing device, consumables such as an ink ribbon mounted on a printing unit for printing on a card are necessary. If the consumable product is not a genuine product, the quality at the time of printing may be degraded or cause of failure.
For this reason, in order to manage the consumable, it is considered to attach an RFID tag medium (hereinafter, simply referred to as "wireless tag") to the consumable.
Prior art literature
Patent literature
Patent document 1: japanese patent laid-open publication No. 2018-52023
Disclosure of Invention
However, the wireless tag has different communication signal characteristics from the noncontact IC card.
Therefore, in the card issuing device, if the same communication control as the contactless IC card is performed, communication with the wireless tag may fail.
The present invention has been made in view of such circumstances, and an object thereof is to provide a card issuing device capable of reliably communicating with a wireless tag of a consumable part, in order to solve the above-described problems.
The card issuing device of the present invention is a card issuing device for issuing a card, and preferably includes: a card communication unit that performs short-range wireless communication with the card; a consumable communication unit that performs near-field wireless communication with a wireless tag provided on a consumable for issuing the card; and a control unit that performs communication control of the card communication unit and the consumable communication unit, wherein the control unit performs characteristic adjustment of the receiving circuit when the communication control is performed on the consumable communication unit, and performs characteristic adjustment of the receiving circuit instead of a simple retry operation when acquisition of a response signal of an initial activation instruction has failed.
With this configuration, the wireless tag of the consumable part can reliably communicate with the wireless tag.
In the present invention, it is desirable that the receiving circuit includes: a first drive IC for driving the card communication section; and a second drive IC for driving the consumable communication unit.
With this configuration, processing for different characteristics can be optimally performed by the first driver IC corresponding to the card communication unit and the second driver IC corresponding to the consumable communication unit.
In the present invention, it is preferable that the control unit performs control of changing the set value of the second driving IC as characteristic adjustment of the receiving circuit.
With this configuration, delay in printing and the like due to retry can be prevented.
In the present invention, it is preferable that the set value of the second driving IC is a gain value of a receiving amplifier and a threshold value of a received signal, and the control unit changes the threshold value to adjust the characteristics of the receiving circuit after temporarily fixing the gain value.
With this configuration, the wireless tag of the consumable part can reliably communicate with the wireless tag.
In the present invention, it is preferable that the control unit cuts off noise by changing the threshold value in an increasing manner.
With this configuration, the signal from the wireless tag of the consumable part can be easily demodulated.
According to the present invention, in a configuration including a consumable part communication unit that performs short-range wireless communication with a wireless tag provided on a consumable part and a control unit that performs communication control of the consumable part communication unit in addition to a card communication unit that communicates with a non-contact type IC card or the like, the control unit performs characteristic adjustment of a receiving circuit when the consumable part communication unit performs communication control, whereby it is possible to provide a card issuing device capable of reliably communicating with the wireless tag of the consumable part.
Drawings
Fig. 1 is a system configuration diagram of a card issuing apparatus according to an embodiment of the present invention.
Fig. 2 is a general side cross-sectional view of the card issuance device shown in fig. 1.
Fig. 3 is a diagram illustrating the configuration of the consumable part and the printing unit shown in fig. 1.
Fig. 4 is a flowchart of a wireless tag characteristic adjustment process according to an embodiment of the present invention.
Fig. 5 is a conceptual diagram of characteristic adjustment in the wireless tag characteristic adjustment process shown in fig. 4.
Description of the reference numerals
1 … card issuing device; 2 … card; 3 … consumables; 3a … ribbon cassette; 4a … card issuance/insertion slot; 5 … card recovery library; 5a … first card recovery library; 5b … second card recovery library; 10 … control unit; 20 … card feed unit; 21 … card feed mechanism; 30 … print unit; 31 … communication unit for consumable products; 32 … thermal head; 40 … card reader unit; a 41 … card communication unit; 42 … heads; 43 … IC contact block; 50 … card handling units; a 60 … card flip unit; 200 … IC chip; 300 … wireless tag; 310. 410 … drive IC; 320. 420 … R/W antenna.
Detailed Description
Embodiment
Card issuing device 1 structure
The configuration of the card issuing device 1 according to the embodiment of the present invention will be described with reference to fig. 1 to 3.
First, a control structure of the card issuing device 1 will be described with reference to fig. 1.
The card issuing device 1 of the present embodiment is a device for issuing a new card 2. The card issuing device 1 is used by being attached to, for example, an ATM (Automated Teller Machine) having a card issuing function, a terminal of a self-service machine (Kiosk: kiosk), a ticket issuing system of a transportation department, a point card issuing system of a convenience store or the like, a membership card issuing system of a retail store, a card issuing payment system of a game machine, a gate management system or the like (hereinafter, abbreviated as "ATM or the like").
Specifically, the card issuing device 1 has a function of a print-and-issue printer that prints and issues necessary information on the card 2 in response to an instruction from a host device.
The card 2 corresponding to the card issuing device 1 of the present embodiment is a contactless IC card, a contact IC card, a magnetic card including a magnetic stripe, or the like. The card 2 is made of, for example, rectangular vinyl chloride having a thickness of about 0.7 to 0.8 mm. In the case where the card 2 is a magnetic card, for example, a magnetic stripe for recording magnetic data is formed. In addition, when the card 2 is a noncontact IC card and/or a contact IC card, for example, the IC chip 200 is incorporated therein. Both the IC chip 200 and the magnetic stripe may be provided on the card 2. In addition, when the card 2 is a noncontact IC card, an R/W (Read/Write) antenna for short-range wireless may be incorporated.
The card 2 may be a PET (polyethylene terephthalate) card having a thickness of about 0.18 to 0.36mm, a paper card having a predetermined thickness, or the like.
Further, an example will be described in which the consumable part 3 corresponding to the card issuance device 1 of the present embodiment is an ink ribbon. The ink ribbon is, for example, a sublimation type ink ribbon or a thermal transfer type ink ribbon used for printing (printing) on the card 2 in color or black and white.
In the present embodiment, the wireless tag 300 is attached to the consumable part 3 and is managed.
The wireless tag 300 is, for example, a wireless tag of the same communication system (ISO 14443) as a contactless IC card. Specifically, as a label having a small medium size and low cost, a sheet-shaped and adhesive wireless label having a small size (for example, 42mm×27 mm) equipped with a Mifare brand IC chip for counting purposes at a venue or the like can be used.
In the wireless tag 300, for example, identification information including the type, style, and the like of the ink ribbon, remaining amount information for confirming the remaining amount, and the like are stored. The type and style of the ink ribbon include information such as color, black and white, thermal transfer, sublimation, and printable number. Since the Mifare brand IC chip is inexpensive, the amount of stored information is smaller than the IC chip 200 of a normal noncontact IC card.
The structure of the card issuing device 1 will be described in more detail.
The card issuing device 1 mainly includes a control unit 10, a card supply unit 20, a printing unit 30, a card reader unit 40, a card transport unit 50, and a card inverting unit 60.
The control unit 10 controls the entire card issuing device 1. The control unit 10 is a control arithmetic unit including, for example, a CPU (Central Processing Unit: central processing unit), an MPU (Micro Processing Unit: micro processing unit), a GPU (Graphics Processing Unit: graphics processing unit), a DSP (Digital Signal Processor: digital signal processing unit), an ASIC (Application Specific Integrated Circuit: application specific integrated circuit), and the like. The control unit 10 includes, for example, a nonvolatile recording medium such as a ROM and a volatile recording medium such as a RAM, which store various setting values, control programs, temporary data, and the like.
In the present embodiment, the control unit 10 performs communication control of the card communication unit 41 and the consumable communication unit 31.
In addition, the control unit 10 adjusts the characteristics of the receiving circuit when performing communication control on the consumable communication unit 31.
As characteristic adjustment of the receiving circuit, the control unit 10 performs change control of the set value of the drive IC310 for driving the consumable communication unit 31. In the present embodiment, the set value of the driver IC310 corresponding to the consumable communication unit 31 is the gain value of the receiving amplifier and the threshold value of the received signal. These values are stored and set in a recording medium incorporated in the control unit 10. The recording medium also stores initial values, maximum values, and increase rates of the respective values.
Specifically, the control unit 10 changes the threshold value after temporarily fixing the gain value, and adjusts the characteristics of the receiving circuit. The control unit 10 is configured to switch off noise at the time of reception by changing the threshold value so as to increase.
The card supply unit 20 accommodates a new card 2 before issuance. The card supply unit 20 can discharge the stored card 2 along the internal conveyance path under the control of the control unit 10.
The printing unit 30 prints on a new card 2. The printing unit 30 is, for example, a sublimation type or thermal transfer type printer, and is capable of printing photo-quality images and characters.
The printing unit 30 includes a consumable communication unit 31 and a thermal head 32.
The consumable communication unit 31 performs short-range wireless communication with the wireless tag 300 provided in the consumable 3 for issuing the card 2. In the present embodiment, the consumable communication unit 31 includes a driver IC310 and an R/W antenna 320 for driving. The driver IC310 can set a set value such as a gain value of the reception amplifier and a threshold value of the reception signal in a setting register or the like. In the present embodiment, the gain value of the receiving amplifier is, for example, a value corresponding to the output from the R/W antenna 320. The threshold value of the reception signal is, for example, a value that sets a filter constant of the reception circuit.
The thermal head 32 is a heater array or the like for sublimating ink in the ink ribbon and fixing it to the card 2.
The card reader unit 40 reads data recorded in the card 2 and/or stores the data in the card 2.
The card reader unit 40 includes a card communication unit 41, a magnetic head 42, and an IC contact block 43.
When the card 2 is a contactless IC card, the card communication unit 41 performs short-range wireless communication. Accordingly, the card communication unit 41 includes the corresponding driver IC410 and R/W antenna 420 as receiving circuits. The driver IC410 can set a gain value of the reception amplifier, a threshold value of the reception signal, and the like. The card communication unit 41 communicates with the IC chip 200 in the card 2 via the R/W antenna 420, and reads and/or records the IC information recorded in the IC chip 200.
The magnetic head 42 reads and/or records magnetic information recorded in a magnetic stripe of the card 2 as a magnetic card.
When the card 2 is a contact type IC card, the IC contact block 43 transmits and receives data to and from the IC chip 200 incorporated in the card 2 via a contact spring that contacts an IC contact provided on the surface. Thereby, the IC information recorded in the IC chip 200 is read and/or recorded.
In the present embodiment, the driver IC410 of the card communication unit 41 is a first driver IC. In the present embodiment, the driver IC310 of the consumable communication unit 31 is a second driver IC.
The card transport unit 50 transports the card 2 among the card supply unit 20, the printing unit 30, the card reader unit, and the card inverting unit 60 in a transport path provided inside.
The card reversing unit 60 is a mechanism for reversing the front and back sides of the card 2. By turning the card 2 by the card turning unit 60, both sides of the card 2 can be easily printed.
Next, an external configuration of the card issuance apparatus 1 according to the embodiment of the present invention will be described from the side with reference to fig. 2.
In fig. 2, the X direction is the front-rear direction of the card issuing device 1, the Z direction is the up-down direction of the card issuing device 1, and the Y direction is the left-right direction of the card issuing device 1 orthogonal to the front-rear direction and the up-down direction. The X1 direction side in the front-rear direction is the front side of the card issuing device 1, and the opposite side, i.e., the X2 direction side, is the rear side of the card issuing device 1.
The card issuing device 1 is mounted on a host device such that the front end side of the card issuing device 1 is disposed on the front surface side of the ATM.
More specifically, the card supply unit 20 includes: a card housing unit for housing cards 2 before issuance in a stacked manner; and a card feeding mechanism 21, wherein the card feeding mechanism 21 feeds out the lowermost card 2 in the card housing section. The card feeding mechanism 21 is disposed below the card housing portion, engages with the lowermost card 2 in the card housing portion, and feeds the card 2 toward the front.
The printing unit 30 accommodates the consumable 3. The printing unit 30 is provided with a consumable supply communication unit 31 at a position where communication with the wireless tag 300 attached to the consumable supply 3 is possible. That is, the wireless tag 300 is attached to the ink ribbon side, and the R/W antenna 320 is provided on the substrate side of the printing unit 30 to perform communication. Details about their positional relationship will be described later.
In addition, a thermal head 32 is held at the lower portion of the printing unit 30. The thermal head 32 withdraws and heats the ink ribbon of the stored consumable 3, and transfers and prints the ink of the ink ribbon onto the card 2. The thermal head 32 can be brought into contact with the card 2 from the upper side via an ink ribbon. The printing unit 30 includes a head lifting mechanism for lifting and lowering the thermal head 32 and a ribbon feeding mechanism.
The card reader unit 40 is provided with a card emission/insertion port 4a, and a magnetic head 42, an IC contact block 43 (not shown), and a card communication unit 41 are provided with respect to a transport path formed inside the card issuing device 1. The card communication unit 41 is disposed below the conveyance path. The magnetic head 42 is arranged to face the conveyance path from the upper side and/or the lower side.
The card transport unit 50 transports the card 2 via a transport path formed inside. The card transport unit 50 includes a driving roller that forms part of the card reader unit 40, and a driving roller and a platen roller that form part of the printing unit 30, and transports the card 2 in the front-rear direction. The drive roller and the platen roller are connected to a common motor via a power transmission mechanism.
The card flipping unit 60 includes: a card holding portion that temporarily holds the card 2 inside; a card pull-in/out mechanism that performs pulling-in of the card 2 to the card holding portion and feeding-out of the card 2 from the card holding portion; and a rotation mechanism that rotates the card holding portion in an axial direction in which the rotation mechanism rotates in the left-right direction. The card holding portion is rotatably supported by the support shaft. A conveying path for conveying the card 2 is also formed inside the card holding portion.
A first card recovery library 5a is disposed below the card supply unit 20. A second card collection library 5b is disposed below the card reader unit 40. These first card collection libraries 5a and second card collection libraries 5b are collectively referred to simply as a card collection library 5.
In the present embodiment, when the card holding portion of the card reversing unit 60 rotates, the conveyance path of the card 2 is switched between a first conveyance path that conveys the card 2 from the card holding portion toward the card reader unit 40, a second conveyance path that conveys the card 2 from the card holding portion toward the first card recovery library 5a, and a third conveyance path that conveys the card 2 from the card holding portion toward the second card recovery library 5b.
(Structure of printing unit 30 and consumable 3)
Next, the details of the configuration of the printing unit 30 and the consumable part 3 will be described with reference to fig. 3.
Fig. 3 (a) is a side view showing a state in which the printing unit 30 is taken out from the main body.
Fig. 3 (b) is a perspective view showing an example in which the consumable part 3 is detached from the printing unit 30. The ribbon cassette of the consumable 3 includes an ink supply roller for winding the ink ribbon, and a take-up roller for taking up the ink ribbon supplied from the ink supply roller.
Fig. 3 (c) is a perspective view showing the attachment position of the wireless tag 300. Although the substrate of the R/W antenna 320 of the printing unit 30 is provided at a fixed position, since the wireless tag 300 is in the form of a sheet, the communication state can be confirmed with the (0, 0) position in fig. 3 (c) as a reference in consideration of the deviation of the attaching position.
[ Wireless tag characteristic adjustment Process ]
Next, a wireless tag characteristic adjustment process executed by the card issuance device 1 according to the embodiment of the present invention will be described with reference to fig. 4 and 5.
In the processing of the present embodiment, when the communication control is performed by the consumable part communication unit 31, the characteristic adjustment of the receiving circuit is performed by the control unit 10.
In the wireless tag characteristic adjustment processing of the present embodiment, mainly, the control unit 10 cooperates with each unit to execute a control program stored in a built-in recording medium using hardware resources.
Next, the details of the wireless tag characteristic adjustment process will be described for each step with reference to the flowchart of fig. 4.
(step S101)
First, the control unit 10 performs gain value setting processing.
Fig. 5 (a) shows an example in which the control unit 10 sets the gain value N of the receiving amplifier as the set value of the driver IC310 of the consumable communication unit 31.
In the case of the initial setting, the control unit 10 uses the initial value stored in the storage unit. Fig. 5 (a) shows a concept of a gain value N in an initial state. In this figure, the gain value N is described as a bias voltage, but may be a proportional equivalent of the gain (amplification) of the operational amplifier.
After the reset described later, the control section 10 sets the gain value N of the reset.
(step S102)
Here, the control unit 10 performs a threshold setting process.
According to fig. 5 (a), the control unit 10 sets the threshold value M of the received signal as a set value of the drive IC310 of the consumable communication unit 31. The threshold M may be a set value of a filter constant of a signal received by the R/W antenna 320, or the like.
The control section 10 uses the initial value stored in the storage section in the case of the initial setting as the threshold value M, and uses the reset value after the reset described later.
(step S103)
Next, the control unit 10 performs an activation process.
The control unit 10 starts communication with the wireless tag 300 of the consumable 3 via the consumable communication unit 31. At this time, the control unit 10 transmits an instruction to execute the first Activation (Activation). At this time, power is supplied to the wireless tag 300 via the R/W antenna 320 of the consumable communication unit 31, and a response signal indicating that the IC chip of the wireless tag 300 has been activated is sent back. The control unit 10 reads the returned response signal.
(step S104)
Next, the control section 10 determines whether or not it has been activated. In the case where the wireless tag 300 is activated and the response signal is successfully read, the control section 10 determines "yes". Otherwise, the control unit 10 determines no.
If yes, the control unit 10 advances the process to step S105.
In the case of no, the control unit 10 advances the process to step S106.
(step S105)
In the case where activation has been performed, the control section 10 performs a reading process.
The control unit 10 performs processing such as confirmation of the remaining amount of the ink ribbon by communicating with the wireless tag 300 of the consumable part 3 via the consumable part communication unit 31. Therefore, the control unit 10 may send a command to continue reading and acquire all necessary data in the wireless tag 300. The control unit 10 may write data to the wireless tag 300 in the same manner.
After that, the control unit 10 ends the wireless tag characteristic adjustment process.
(step S106)
If the activation is not performed, the control unit 10 performs a threshold increase process.
As shown in fig. 5 (b), the control unit 10 changes the threshold value M and adjusts the characteristics of the receiving circuit.
Specifically, the control unit 10 increases the threshold M only by a specific ratio. Thus, by changing the threshold M to increase, the sensitivity can be adjusted, and noise can be cut off.
(step S107)
Next, the control section 10 determines whether or not the threshold M that has been increased is a maximum value. When the threshold M is the maximum value, the control unit 10 determines "yes". Otherwise, the control unit 10 determines no.
If yes, the control unit 10 advances the process to step S108.
In the case of no, the control section 10 returns the process to step S102, and executes the reading process again based on the threshold value that has been increased while fixing the gain value N. That is, at this time, the gain value is temporarily fixed.
(step S108)
When the threshold M is the maximum value, the control unit 10 performs a gain value increase threshold resetting process.
After the threshold value M is restored to the initial value, the control section 10 increases the gain value N by a certain ratio.
(step S109)
Next, the control section 10 determines whether the gain value N that has been increased is a maximum value. When the gain value N is the maximum value, the control unit 10 determines "yes". Otherwise, the control unit 10 determines no.
If yes, the control unit 10 advances the process to step S110.
In the case of no, the control unit 10 returns the process to step S101, sets the gain value N that has been increased and the threshold value M that has been restored to the initial value, and executes the activation process again.
(step S110)
When the gain value is at the maximum value, the control section 10 performs a read failure process.
The control unit 10 notifies the host device of the fact that communication with the wireless tag 300 of the consumable part 3 is impossible. Thus, the host device warns and displays the ink ribbon or the like using a non-genuine product, and records the fact.
Through the above steps, the wireless tag characteristic adjustment processing according to the embodiment of the present invention ends.
The main effects of the present embodiment
With the above configuration, the following effects can be obtained.
The present inventors have found through experiments that when an inexpensive sheet-like label of a wireless tag 300 that can be attached is used for a consumable part 3 such as an ink ribbon, communication characteristics become extremely unstable.
That is, since the same communication as the contactless IC card is performed, even if simple adjustment of the circuit, the communication timing, and the like is attempted, no improvement in the communication characteristics is seen. Therefore, if the communication with the wireless tag 300 is not repeated (retried), the transmission and reception of data is not established. Since this retry is set as a special remedy, it is necessary to be configured so that substantially no retry operation is performed. That is, in communication with the wireless tag 300, the retry operation due to the communication failure is not accepted in accordance with the specification.
In contrast, the inventors of the present invention have studied intensively and found that even if an attempt is made to improve the matching characteristics of the R/W antenna 320 on the card issuing device 1 side, communication failure between the R/W antenna 320 and the wireless tag 300 occurs, and a retry is still required. Further, further pursuing the cause discovery thereof, the problem is false detection of the response signal from the wireless tag 300. That is, the reason is not the R/W antenna 320, and there is a problem in that the quality of the signal itself of the wireless tag 300 is lower than that of the noncontact IC card.
In contrast, an embodiment of the present invention provides a card issuing apparatus 1 for issuing a card 2, including: a card communication unit 41, wherein the card communication unit 41 performs short-range wireless communication with the card 2; a consumable communication unit 31, wherein the consumable communication unit 31 performs short-range wireless communication with a wireless tag 300 provided to a consumable 3 for issuing a card 2; and a control unit 10, wherein the control unit 10 performs communication control of the card communication unit 41 and the consumable communication unit 31, and the control unit 10 performs characteristic adjustment of the receiving circuit when performing communication control of the consumable communication unit 31.
With this configuration, even the wireless tag 300 of the consumable part 3 having a lower signal quality than the noncontact IC card can reliably communicate. That is, since the signal of the wireless tag 300 tends to be noisy (low in quality) compared with the signal of a normal contactless IC card, communication can be performed by adjusting the characteristics of the receiving circuit side to be variable. Specifically, when the acquisition of the response signal of the first Activation command has failed during communication with the wireless tag 300, the data can be transmitted and received without performing a retry by performing characteristic adjustment of the receiving circuit instead of a simple retry operation.
In fact, according to the experiments of the present inventors, although the communication characteristics of the retry operation are repeated with a probability of about 1/10, the retry operation is not required at all by improving the reception characteristics rather than the transmission characteristics as in the card issuing device 1 of the present embodiment. Similar results were obtained in the low-temperature and high-temperature tests concerning the temperature characteristics of the card issuing device 1.
Further, since the wireless tag 300 is more various than the noncontact IC card and has various shapes, it is difficult to assume a medium to be actually used.
In contrast, in the card issuance device 1 according to the present embodiment, even if a problem occurs in the communication characteristics, communication can be performed by performing characteristic adjustment of the receiving circuit when communication control is performed. Therefore, the user of the ATM or the like can be made to complete the transaction without knowing a trouble caused by retry or the like, and the security can be improved.
The card issuing device 1 of the present embodiment can communicate with the noisy wireless tag 300 only by adjusting the characteristics of the receiving circuit, without changing the position of the circuit or the R/W antenna 320. Therefore, the reliability of communication can be improved, and the occurrence of defective products can be suppressed without strictly adjusting the attachment position or the like of the wireless tag 300 of the consumable part 3. As a result, the cost can be reduced. In addition, communication can be performed with respect to various wireless tags 300.
The card issuing device 1 of the present invention is characterized in that the receiving circuit includes a driving IC410 for driving the card communication unit 41 and a driving IC310 for driving the consumable communication unit 31.
With this configuration, the processing for different characteristics can be optimally performed by the drive IC410 for driving the card communication unit 41 and the drive IC310 for driving the consumable communication unit 31. For example, the characteristics of the receiving circuit can be adjusted only by the driving IC310 for driving the consumable communication unit 31. Therefore, the wireless tag 300 of the card 2 and the consumable part 3, which are contactless IC cards, can reliably communicate in an optimal state.
The card issuance apparatus 1 according to the present invention is characterized in that the control unit 10 performs control of changing the set value of the drive IC310 for driving the consumable communication unit 31 as characteristic adjustment of the receiving circuit.
With this configuration, communication is possible by changing the set value of the drive IC310 every time, without requiring a simple retry of communication or the like. Therefore, delay of printing and the like due to retry can be prevented. Further, by obtaining the set value for a plurality of products, the range of the optimal set value can be calculated.
As described above, the inexpensive wireless tag 300, which has a smaller amount of transmitted and received information and a smaller medium size, has inferior signal characteristics to a contactless IC card using the same communication system (ISO 14443).
In contrast, in the card issuance device 1 according to the present invention, the set value of the drive IC310 for driving the consumable communication unit 31 is the gain value of the reception amplifier and the threshold value of the reception signal, and the control unit 10 changes the threshold value to adjust the characteristics of the reception circuit after temporarily fixing the gain value.
With this configuration, the gain of the receiving amplifier and the threshold value of the received signal are changed using the setting register of the driving IC310 with respect to the change of the specific receiving characteristic. This enables reliable communication with the wireless tag 300 by the same communication method as the contactless IC card.
The card issuance apparatus 1 according to the present invention is characterized in that the control unit 10 cuts off noise by changing the threshold value so as to increase.
With this configuration, the signal from the wireless tag 300 can be easily demodulated by increasing the threshold value of the demodulated received signal to reduce the sensitivity and cutting off the noise. Therefore, the wireless tag 300 for the consumable part 3 can be more reliably communicated with.
Other embodiments
In the above-described embodiment, an example was described in which the lowest value of the threshold value M and the gain value N is set as the initial value.
However, the characteristics of the wireless tag 300 may be checked in advance, and an initial value may be set. Further, the range of the optimum setting value corresponding to the feature region may be set in advance on the assumption that the wireless tag 300 is changed or the characteristics change due to the lot-to-lot. An initial value corresponding to the range of the optimum setting value may be set. This enables more reliable communication with the wireless tag 300.
The range of the optimum setting value may be set at the time of shipment or by a service person or the like. Further, a program for executing the initial value adjustment function may be stored in a recording medium of the control unit 10 and executed.
In the above-described embodiment, an example in which the characteristic adjustment is performed by the control unit 10 such as a CPU is described. However, equivalent functions may also be realized by a circuit. Specifically, if the signal of the wireless tag 300 is still noise (noisy) even if sufficient power is supplied, the area can be detected, the gain value and the threshold value can be changed to be the same as the set value described above, and a circuit for filtering and deleting can be set. That is, by changing the setting of the receiving circuit when responding to the wireless tag 300 (at the time of activation), communication can be reliably performed in the same manner as the above-described processing.
Further, a circuit for filtering a specific noise region for each frequency band may be set, or the control unit 10 may perform characteristic adjustment or filtering.
In the above-described embodiment, an example has been described in which the driver IC310 of the consumable communication unit 31 and the driver IC410 of the card communication unit 41 are separately included. However, the drive IC310 may be shared by the consumable communication unit 31 and the card communication unit 41. The card communication unit 41 may be configured to communicate with the wireless tag 300. In this case, by providing the R/W antenna 320 for the consumable 3 and the R/W antenna 320 for the noncontact IC card separately, interference and the like can be prevented.
In the above-described embodiment, an example in which an ink ribbon is used as the consumable 3 is described. However, other consumables related to printing of the card 2 may be handled by the same configuration.
The structure and operation of the above-described embodiment are merely examples, and it is needless to say that the present invention can be appropriately modified and executed without departing from the spirit of the present invention.

Claims (2)

1. A card issuing apparatus for issuing a card, comprising:
a card communication unit that performs short-range wireless communication with the card;
a consumable communication unit that performs near-field wireless communication with a wireless tag provided on a consumable for issuing the card; and
a control unit that performs communication control of the card communication unit and the consumable communication unit,
the control unit adjusts the characteristics of the receiving circuit when the communication control is performed on the consumable communication unit,
in case the acquisition of the response signal of the original activation instruction has failed, a characteristic adjustment of the receiving circuit is performed instead of a simple retry action,
the receiving circuit includes:
a first drive IC for driving the card communication section; and
a second drive IC for driving the consumable communication unit,
as characteristic adjustment of the receiving circuit, the control section performs change control of a set value of the second driving IC,
the set value of the second driving IC is a gain value of the receiving amplifier and a threshold value of the receiving signal,
the control unit changes the threshold value to adjust the characteristics of the receiving circuit after temporarily fixing the gain value.
2. The card issuance apparatus of claim 1, wherein,
the control unit cuts off noise by changing the threshold value in an increasing manner.
CN202010180287.6A 2019-03-28 2020-03-16 Card issuing device Active CN111753931B (en)

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JP2019-063683 2019-03-28
JP2019063683A JP7289213B2 (en) 2019-03-28 2019-03-28 card issuing device

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