JP2004264916A - SIM reader / writer with liquid crystal display - Google Patents

Abstract

A SIM reader / writer having a liquid crystal display to which a contact and non-contact dual interface SIM can be attached is provided.
A SIM reader / writer with a liquid crystal display according to the present invention has a USB connector, and removably mounts a SIM2 having a contact defined by ISO 7816-2 and ISO 7816-3, and a contactless interface. A SIM reader / writer, wherein the SIM reader / writer is at least
(1) a control IC, (2) a USB / ISO7816 conversion IC, (3) an antenna coil 11 for non-contact communication, and (4) a liquid crystal display 4. .
The SIM reader / writer 1 may further include an infrared communication unit 5.
[Selection diagram] Fig. 1

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a SIM reader / writer that has a USB connector and that detachably mounts a SIM having a contact and non-contact interface, and is capable of displaying data held by the SIM on a liquid crystal display.
Such a SIM reader / writer can be used firstly for access authority authentication of personal computers (PCs), and secondly, it can be applied to non-contact gate management of facilities and transportation, and settlement transactions such as non-contact shopping. Thirdly, since various kinds of information can be displayed on the liquid crystal display, it is suitably used for a medium requiring such information display, for example, a record display of various kinds of transactions, a commuter pass, a train ticket, various kinds of facility entrance tickets, and the like. What you get.
Therefore, a technical field related to the present invention relates to a field of manufacturing and using a SIM reader / writer or a SIM, or a field of issuing and handling or using a commuter pass, a train ticket, and an entrance ticket.
[0002]
[Prior art]
2. Description of the Related Art In recent years, an IC card having a dual interface of a contact defined by ISO 7816-2 and ISO 7816-3 and a USB (Universal Serial Bus) contact has been developed (Patent Document 1).
An IC card having a USB interface facilitates connection to a USB-compatible device such as a personal computer, and is starting to attract attention as a network access ID card such as an employee ID card.
[0003]
On the other hand, an ID module for network access having a built-in IC chip called e-Token is used. It has a USB contact interface, is plugged into a USB connector of a personal computer (PC), and is used for plug-and-play, that is, a system that secures network security without requiring cumbersome operations. Sometimes called a dongle, it is convenient to carry along with a cell phone strap or key ring.
[0004]
On the other hand, a security ID module called a small SIM, UIM, or USIM card has been incorporated in a mobile phone. It has already been put into practical use by being incorporated into the latest mobile phones in Japan.
UIM (User Identity Module) is a small IC card that records contractor information issued by a mobile phone company, and is incorporated in a mobile phone and used to identify a user.
[0005]
This is a function extension from SIM (Subscriber Identity Module) which has the same function. In addition to subscriber information, private information such as a telephone directory and personal identification information for credit settlement are encrypted and registered. Is possible.
Because it is based on SIM, it is sometimes called USIM (Universal SIM). The SIM aims to use the GSM mobile phone service, and the UIM is considered to be used, for example, by inserting it into a cdma2000 mobile phone in the United States to receive an international roaming service.
In any case, such a SIM or UIM has an existing technology, so that manufacturing and issuing processing are easy.
[0006]
Since the above-mentioned key holder type ID module and the portable article of Patent Document 1 do not have a non-contact communication function, they cannot be used for applications such as opening and closing a ticket gate and a door gate in a non-contact manner.
In view of this, the applicant of the present application has previously proposed in Patent Document 2 a SIM holder with a USB connector provided with a contact defined by ISO7816 and an interface of ISO14443 non-contact.
Patent Document 3 proposes an IC module, a SIM holder, a SIM, etc. provided with three types of interfaces of contact specified by ISO7816, non-contact of ISO14443, and contact of USB.
[0007]
[Patent Document 1] Japanese Patent Application No. 2002-525720 [Patent Document 2] Japanese Patent Application No. 2002-284825 [Patent Document 3] Japanese Patent Application No. 2002-300772 [0008]
[Problems to be solved by the invention]
The above-described key ring type ID module called a dongle has a problem that the IC chip is resin-molded by injection molding or the like, so that it cannot be manufactured or issued by a method like a conventional IC card or SIM.
Further, the SIM holders proposed in Patent Literature 2 and Patent Literature 3 do not have a display unit, so that there is a problem that the information content held by the SIM cannot be displayed visually.
Therefore, the present invention provides a key ring type ID module with a non-contact communication function, a contact and a non-contact interface with an IC chip of the SIM itself, and a reader / writer for mounting the SIM with an antenna coil and a liquid crystal display. And completed the present invention.
In this specification, SIM is a general term for small IC cards including UIM and USIM.
[0009]
[Means for Solving the Problems]
The gist of the present invention for solving the above-mentioned problem is to provide a SIM reader which has a USB connector and which detachably mounts a SIM provided with a contact specified by ISO7816-2 and ISO7816-3 and a non-contact interface specified by ISO14443. A writer, wherein the SIM reader / writer is at least
A liquid crystal display comprising (1) a control IC, (2) a USB / ISO7816 conversion IC, (3) an antenna coil for non-contact communication, and (4) a liquid crystal display. Attached SIM reader / writer.
[0010]
In the above-described SIM reader / writer with a liquid crystal display, it is preferable that the SIM attached to the SIM reader / writer has a contact and non-contact interface and can be mounted with a multi-application. Infrared communication means may be further provided.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
A SIM reader / writer with a liquid crystal display according to the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing a block configuration of a SIM reader / writer with a liquid crystal display of the present invention. FIG. 2 is a diagram showing an outer shape of a SIM reader / writer with a liquid crystal display, FIGS. 3 to 6 are diagrams showing a configuration inside the SIM reader / writer, and FIG. 7 is a plan view showing the SIM.
[0012]
As shown in FIG. 1, a SIM reader / writer with a liquid crystal display (hereinafter abbreviated as “SIM reader / writer”) 1 of the present invention has a control IC chip 3 on which a SIM 2 is detachably mounted. The control IC chip 3 has a CPU and a memory, and also has an ISO7816 driver 31, a liquid crystal driver 32 for driving a liquid crystal display, and an infrared driver 33 for infrared communication. However, all of these are not necessarily integrated into an IC chip.
The signal of the SIM 2 is connected to the control IC chip 3 via the reader / writer (R / W) terminal plate 12 and the relay 8, and the signal from the USB port 25 is controlled via the USB / ISO7816 conversion IC 10 and the relay 8. To the IC chip 3 for use.
[0013]
The reader / writer terminal plate 12 has a structure to be connected to eight terminals of the contact terminal plate provided in the SIM 2. In the case of the contact terminal, the C4 and C8 terminals, which are spare terminals, are connected to the antenna coil 11 inside the casing of the SIM reader / writer. The antenna coil 11 is for performing non-contact communication conforming to ISO14443 Type A and B.
The SIM reader / writer 1 preferably includes a battery (secondary battery) 7 as a driving power source for the liquid crystal display 4, the control IC chip 3, and the like. As the battery 7, a thin lithium ion battery can be preferably used.
The switch button 41 is used for turning on / off the power, and the switch button 42 is used for selecting a display or determining an operation.
[0014]
The SIM reader / writer 1 is configured such that the battery 7 is not connected when the USB connector is inserted into the USB port 25 of the personal computer (PC). Therefore, in this case, even if the switch button 41 is turned on, the CPU of the control IC chip 3 does not operate, and the liquid crystal display 4 is not displayed.
The liquid crystal display 4 is displayed only when the switch button 41 is turned on when not connected to the PC.
[0015]
In this case (when the power button is turned on), the relay 8 connects the CPU and the reader / writer terminal plate 12. During USB drive with the USB connector inserted in the USB port, the relay 8 connects the CPU of the control IC chip 3 to the USB port 25.
When the power button is turned off during the ISO14443 communication by the antenna coil 11 or the USB connector is inserted into the USB port 25, a hardware reset is performed, and the SIM returns an ATR (answer to reset). That is, the non-contact communication is forcibly interrupted.
[0016]
The SIM reader / writer 1 can include infrared communication means. The infrared communication means is controlled by an infrared driver 33 of the control IC chip 3, and the infrared receiving / transmitting unit 5 includes an infrared light emitting unit, a light receiving unit, a filter, and the like, and has an external electronic device having a receiving / transmitting unit with the same configuration. It can send and receive data by communicating with devices.
In this case, the information of the SIM 2 is processed by the control IC chip 3, photoelectrically converted by the light emitting unit of the infrared transmitting / receiving unit 5, and transmitted to the external electronic device. On the other hand, the signal from the external electronic device is photoelectrically converted by the light receiving unit and transmitted to the SIM 2 via the control IC chip 3.
Thereby, non-contact communication over a short distance longer than ISO 14443 non-contact becomes possible.
[0017]
The SIM reader / writer may have any external shape, but as a shape that is easy to carry, it is preferable that the insertion direction of the USB connector 20 and the insertion direction of the SIM 2 be linear as shown in FIG. Can be
As shown in FIG. 2A, the liquid crystal display 4 is provided on the surface, the USB connector 20 is provided on the left end, and the SIM2 insertion port 15 is provided on the right end.
A step portion 16 which is one step lower than the liquid crystal display 4 is provided in the front part of the insertion opening 15. At the time of SIM insertion, SIM2 can be easily inserted by applying SIM2 to this step portion 16. Switch buttons 41 and 42 are provided between the liquid crystal display 4 and the insertion slot 15. Reference numeral 14 denotes a power supply LED display.
When the SIM reader / writer 1 is carried, by passing a strap or the like through the key attachment hole 17, it is possible to prevent the SIM 2 from accidentally falling off.
[0018]
The liquid crystal display 4 is configured to sequentially display information held by the IC chip of the SIM 2 by operating the switch button 42.
The displayed contents differ depending on the application software installed in the SIM. For example, in the case of the electronic money 201, the balance and the payment details are displayed. In the case of the electronic ticket 202, the display date, venue, start time, designated seat, and the like are displayed. This is a display, and in the case of a commuter pass use, the display shows a pass section, pass period, user, and the like. As described above, it is preferable that the SIM 2 can mount a plurality of applications.
As the liquid crystal display 4, a reflection type liquid crystal display of a dot matrix type can be adopted, and graphic display is also possible. The thickness of the liquid crystal display 4 is about 1.0 mm to 1.5 mm. The display area can have a width of about 20 to 30 mm to a length of about 50 to 70 mm.
It should be noted that the present invention is not limited to a liquid crystal display, and a thin and low power consumption display device such as an organic EL or electronic paper can be used instead.
[0019]
FIG. 2B shows a cross section taken along line AA of FIG. This case shows a state in which the SIM 2 is mounted. A reader / writer (R / W) terminal plate 12 is provided between the SIM 2 and the liquid crystal display 4 to ensure contact with the contact terminal plate 22 of the SIM 2. The reader / writer terminal plate 12 may be provided on the entire surface below the liquid crystal substrate so as to also serve as a wiring substrate.
In the SIM reader / writer 1, the upper lid portion 18 and the lower case portion 19 provided with the liquid crystal display 4 and the reader / writer terminal plate 12 are divided and molded, and after assembling a wiring board and the like, they are often combined and integrated. Although not shown, the antenna coil 11 can be wired around the wiring board, or can be wired on the inner surface of the upper cover 18 or the lower case 19.
[0020]
Since no special components are provided on the back surface of the SIM reader / writer 1, a mechanism for charging the power supply and the like can be provided, though not shown.
Further, if the lower case portion 19 is formed of a transparent resin, a face photograph and a name print provided on the SIM can be seen through as described later.
[0021]
FIGS. 3 to 6 are views showing the configuration inside the SIM reader / writer, and show the relationship between the reader / writer terminal plate 12 and the antenna coil 11 on the back surface of the liquid crystal display 4.
3 is a perspective view of the SIM2 on the side of the contact terminal plate 22, FIG. 4 is a plan view of the same, FIG. 5 is a perspective view of the SIM2 opposite to the contact terminal plate, and FIG. 6 is a plan view of the same.
As shown in FIGS. 3 and 4, the antenna coil 11 is wired along the inner periphery of the upper cover 18 of the casing, and the terminal is connected to the C4 and C8 terminals of the reader / writer terminal plate 12. . The SIM 2 is inserted from the right side of FIG. 3 and enters the lower side of the reader / writer terminal plate 12 and is fixed.
[0022]
3 and 4, wiring to the USB connector 20 is omitted, but C5 (GND), C1 (Vcc), C2 (RST), and C7 (I / O) are led to the USB / ISO7816 conversion IC 10. Will be crushed.
The above-mentioned Patent Document 1 describes an IC chip having a USB function, and describes an example in which a USB (D +) uses a C4 terminal and a USB (D-) uses a C8 terminal. Since the reader / writer 1 uses the USB / ISO7816 conversion IC 10, a dual IC module having a conventional function can be used.
Further, since the terminals of the antenna coil 11 use the C4 and C8 terminals, there is an advantage that a terminal having eight or more special terminal plates is not used for the SIM2 or the reader / writer.
[0023]
As shown in FIG. 5, eight contact pins 13 protrude from the back surface of the reader / writer terminal plate 12 so as to be in contact with the contact terminal plate 22 of the SIM 2.
FIG. 6 shows a state after the SIM 2 is mounted on the SIM reader / writer 1. Since the SIM 2 is inserted along the lower case 19 on the back surface of the terminal plate 12, if the lower case 19 is a transparent resin, the face photograph processing 27 of the SIM 2 can be visually recognized.
[0024]
As described above, when connected to a PC, the non-contact communication function is cut off, but when not connected, the non-contact interface is used to pay at convenience stores and restaurants, ticket gates for transportation, and entry / exit management of facilities. Can be used for
When an infrared communication unit is provided, communication over a longer distance than non-contact communication based on ISO14443 becomes possible.
On the other hand, it has the advantage that it can be directly connected to a PC and does not require a separate reader / writer as a peripheral device.
[0025]
FIG. 7 is a plan view showing a SIM used in the present invention. 7A shows the front surface side having the contact terminal plate 22, and FIG. 7B shows the opposite side surface.
As shown in FIG. 7A, the SIM2 includes the substrate 21 having a long side L1 of about 25 mm and a short side L2 of about 15 mm. The thickness is a uniform thin plate having a thickness of 1.0 mm or less, usually 0.76 mm.
A contact and non-contact dual mode IC module is mounted on the back substrate of the contact terminal plate 22. The provision of the notch 23 at one corner of the rectangular SIM is for facilitating the alignment when the SIM 2 is mounted on the SIM reader / writer 1.
[0026]
As shown in FIG. 7 (B), a face photograph processing 27, a name print 28, and a number print 29 can be provided on the side of the SIM 2 opposite to the contact terminal plate 22, so that the owner can be easily identified. When the lower case portion of the SIM reader / writer 1 is made transparent, the user can be visually identified with the SIM attached.
The SIM 2 can be used by mounting a plurality of applications such as electronic money, an electronic ticket, an employee ID card, etc. by making it compatible with Maltos (trademark).
[0027]
As described above, the SIM reader / writer of the present invention has been described. However, it is obvious to those skilled in the art that the present invention can be used without being limited to the combination with the PC, and it is obvious to those skilled in the art that the same function as the personal computer is provided. Obviously, the present invention can be applied to a device provided, for example, a POS register or a digital camera.
[0028]
【The invention's effect】
The SIM reader / writer with a liquid crystal display of the present invention can be used for PC access authority authentication as a USB interface and has a contactless communication function of ISO14443, so that it can be used for various contactless transactions such as electronic tickets and electronic money settlement. it can.
Further, since the information content held in the memory of the SIM can be displayed on the liquid crystal display, it is not necessary to check the information content on a display of a personal computer or a dedicated terminal or to output the information to a printer to check the information content. it can.
[Brief description of the drawings]
FIG. 1 is a diagram showing a block configuration of a SIM reader / writer with a liquid crystal display of the present invention.
FIG. 2 is a diagram showing an outer shape of a SIM reader / writer with a liquid crystal display.
FIG. 3 is a perspective view of a contact terminal plate surface side of the SIM.
FIG. 4 is a plan view of the same.
FIG. 5 is a side perspective view of the SIM opposite to the contact terminal plate.
FIG. 6 is a plan view of the same.
FIG. 7 is a diagram showing a SIM.
[Explanation of symbols]
1 SIM reader / writer 2 SIM
3 Control IC Chip 4 Liquid Crystal Display 5 Infrared Transmitter / Receiver 7 Battery 8 Relay 10 USB / ISO7816 Conversion IC
Reference Signs List 11 antenna coil 12 reader / writer (R / W) terminal plate 13 contact pin 14 LED display 15 insertion port 16 step 17 key mounting hole 18 top cover 19 lower case 20 USB connector 21 substrate 22 contact terminal plate 23 cutout 25 USB port 27 Face photo processing 41, 42 Switch button

Claims (3)

A SIM reader / writer that has a USB connector and that detachably mounts a SIM having a contact specified by ISO 7816-2 and ISO 7816-3 and a non-contact interface specified by ISO14443, wherein the SIM reader / writer is at least:
A liquid crystal display comprising (1) a control IC, (2) a USB / ISO7816 conversion IC, (3) an antenna coil for non-contact communication, and (4) a liquid crystal display. With SIM reader / writer. The SIM reader / writer with a liquid crystal display according to claim 1, wherein the SIM to be mounted on the SIM reader / writer has a contact and non-contact interface and can be mounted on a multi-application. The SIM reader / writer with a liquid crystal display according to claim 1, further comprising infrared communication means for non-contact communication.

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