JPH0654061B2 - Card processing system - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a card processing system for issuing a card used for unlocking and locking a key in a hotel room or the like and for processing the card during use.

BACKGROUND ART As a device of this type, a room number assigned to each room of a hotel and a use time are recorded on a card, and an unlocking device reads the room number and the use time recorded on the card, and a storage means is stored in advance. Comparing the room number stored in the table with the current time measured by the clock means, it is determined whether the card is valid, and if it is valid, the electric lock in the room is unlocked. There is a device, but since the data recorded on the card is simple, it may be easily forged, which is a serious problem for a hotel that sells credit and security.

For this reason, there is provided a device in which the data to be recorded on the card is encrypted by the encryption means, and the unlocking device side reads the encrypted data recorded on the card and then decrypts the data by the decryption device. However, this device requires a special encryption means and a decryption means for special encryption and decryption.

Further, when these means are constituted by an arithmetic unit using a microcomputer, a dedicated storage means for storing a huge program for encryption and decryption is required, resulting in high manufacturing cost of the device and further miniaturization. It has been extremely difficult to use a one-chip microcomputer or the like having a limited storage capacity in the unlocking device that needs to achieve this.

[Object of the Invention] The present invention has been made in view of the above problems, and an object of the present invention is to prevent the card from being easily forged even when the data recorded on the card is read. In addition, it is to provide a card processing system whose manufacturing cost is low.

DISCLOSURE OF THE INVENTION According to the present invention, at least a card-specific number including a date of issue, a unique number assigned to a usage element such as a place of use and a user, and an effective date of the card 1 are used in at least a card. The card is provided with a card issuing machine 8 for recording and calculating a numerical value of the calculation result on the card by using a predetermined relation coefficient based on the unique number, and the unique number for the card 1 used before. And a storage means 2 for storing at least the unique numbers assigned to the used elements, and a card reader 3 for reading the numbers and numerical data recorded on the card 1.
And a clock means 4 for measuring the current date and time, a number unique to the card 1 consisting of the issued date of the read card, and a number and storage means 2 assigned to the above-mentioned use element.
Is the card valid because there is a certain relationship between the number unique to the card 1 and the number uniquely assigned to the used element and the current time counted by the clock means 4? Calculation is performed using the same relational coefficient as the above-mentioned predetermined relational coefficient based on the first comparison / determination means 5 for comparing and judging whether or not there is, and the number unique to the card 1 read from the card 1 and the unique number assigned to the used element. And the numerical value of the calculation result and card 1
The second comparison and determination means 6 for determining whether or not the card is a valid card by collating whether the numerical values of the above-mentioned calculated results match, and the determinations of both the comparison and determination means 5, 6 are effective. In this case, a control signal is generated to the controlled device 7, and FIG. 1 shows an overall schematic configuration diagram of the present invention.

The present invention will be described below with reference to examples.

Example FIG. 2 shows a schematic configuration diagram of the system of the present invention used in an unlocking device 9 of a hotel. In this system, basically, a magnetic card 1, a card issuing machine 8 and a door 12 of each guest room are shown. And a data input device 10 detachably connected to the card issuing machine 8 and the unlocking device 9 for exchanging data. The card issuing machine 8 is composed of a magnetic type card writer / reader that is normally used, a numeric keypad for inputting data, a connector for connecting the data input device 10 and an arithmetic processing circuit for performing arithmetic control processing such as card issuance. The magnetic card 1 has at least a card code symbol indicating the card type, a card-specific number for the date and time of card issuance, a number for the card valid date, and a room number assigned to the target room. Based on the member or employee or trader code number assigned to each user, and the room number or member or employee or trader code number corresponding to the date and time of card issuance and usage factors. The personal identification number composed of a value calculated by a constant relation coefficient is recorded. Of course, the hotel code number for distinguishing the hotel used may be recorded in addition to the above data.

FIG. 3 shows the circuit configuration of the unlocking device 9. This unlocking device 9 uses a battery 13 such as a dry battery as a power source 1
4 supplies electric power to the constituent circuits, and a card reader 3 for reading the recorded data of the magnetic card 1 and a clock IC 17 for clocking the year, month, day, hour, minute and second constituting the clock means 4.
And an arithmetic control circuit 15 composed of a microcomputer constituting the first and second comparison / determination means 5 and 6, a ROM 16 in which an operation program is stored, and a storage means 2 for rewritably storing data. The RAM 18 and the electric lock 19 constituting the controlled device 7 are connected to each other to output a control signal for locking / unlocking the knob of the electric lock 19 and a control signal for locking / unlocking the latch bolt, and opening / closing the door 12. An operation signal of a door open / close detection switch (not shown) that detects the state,
An I / 0 circuit 20 that captures a shutout detection signal that occurs when a lock due to thumb turn is detected,
A connector 21 that connects the data input device 10, a changeover switch circuit 22 that selects data input from the card reader 3 or data input from the data input device 10, and that the data input device 10 is connected to the connector 21. The data input device 1 detects and gives a changeover signal to the changeover switch circuit 22.
A changeover switch 23 for changing over the changeover switch circuit 22 so as to take in the data of 0, decoders 24 and 25,
It is composed of buffers 26 and 27 and an I / O circuit 11.

The electric lock 19 is an instant-through electrolysis lock type electric lock, which unlocks the outer knob by an electric signal and manually rotates the outer knob to unlock the latch bolt and further close the door. With the so-called double flow method that locks automatically and the protrusion amount of the latch bolt increases, you can unlock the latch bolt by rotating the inner knob by hand,
In addition, it is possible to lock the door 12 by thumb turn and mechanically hold the door 12 in a shut-out state. The control signal for locking / unlocking the latch bolt and the control signal for locking / knobing the I / O circuit 20 It is input by the arithmetic control circuit 15.

By the way, in the present embodiment, the card type is set according to the business of the hotel, such as a guest card for general guests, a customer card that cannot be unlocked with a maid card owned by the maid, and a user who is a member of the hotel. And, a maid card issued to a maid boy who issues four types of guest cards such as a membership card for hotel guests and a hourly rented customer card for hourly guests to perform guest room cleaning and other services. Master card and emergency card owned by the manager, maintenance inspector card issued to maintenance personnel of the maintenance company or employees, unlocking prohibition card set by the manager so that the specified room cannot be unlocked with a card, and We operate a cancellation card that unlocks the state of the guest room that is unlocked with a customer card and a spare card owned by the front desk Has issued a card, each card is written at the time of issuance of the card code number assigned to each together with other data.

Next, the operation of this embodiment will be described.

First, when issuing a card in the card issuing machine 8, the magnetic card 1 is attached to the magnetic recording means of the card issuing machine 8 and predetermined data is written. At this time, if it is a customer card, the hotel code number, the room number of the room to be used, the card code number, the date and time of issue and the date and time of validity are recorded, and the room number is calculated by the computing means built in the card issuing machine 8. And the date and time of issuance are calculated using a predetermined relation coefficient, and the numerical value is recorded as a personal identification number together with the above data. This secret code is calculated in the same way as above by using the member code number instead of the room number in the member card, and is assigned to the employee or trader in the business card excluding the unlocking prohibition card, the unlocking card and the spare card. Computed using the code number instead of the room number. The unlocking prohibition card, the unlocking card and the spare card use the room number for calculating the personal identification number, like the customer card. In the embodiment as a method of calculating the personal identification number, for example, the number indicating the date and time of issue is A, and the number of the room number or the member, employee or trader code number is B, and the numerical value B obtained by squaring A is B. The digit C at the first digit is used as the personal identification number.

Thus, predetermined data is written on the magnetic card 1 to form various cards.

On the other hand, in the unlocking device 9, it is necessary to write the initial data in the RAM 18 when the system is started. Therefore, the data input device 10 is connected to the unlocking device 9 to write the initial data. Here, as the initial data, the hotel code, the room number of the room in which the unlocking device 9 is installed, the current time setting of the clock IC 17, the issue date and time of the guest card, the issue date and time of the maid card, Information such as the date and time of issue of the maintenance card is available. If a program that sets the initial setting data for each issue date and time to "0" is prepared in advance at the start point, the issue year will be automatically set not only at the initial start but also at the time of battery restart. You can set the date and time of the month. When initial data is input to the unlocking device 9 from the data input device 10 and then the data input device 8 is removed, the unlocking by the magnetic card 1 becomes possible thereafter.

Next, unlocking by the magnetic card 1 will be described based on a flowchart.

First, when the magnetic card 1 is inserted into the card reader 3, the card reader 3 reads the data magnetically recorded on the magnetic card 1 as shown in FIG. The read data is input to the arithmetic control circuit 15 via the changeover switch circuit 22, the I / O circuit 11, and the decoder 24, and the arithmetic control circuit 15 determines the data content. Here, the arithmetic control circuit 15 makes a judgment and the hotel code number of the data and the RAM1.
It is determined whether or not the hotel code number stored in 8 matches, and if they match, it is determined from the next read card code number whether it is a customer card, a membership card, or a business card.

Then, the data read according to the respective card types and the data and the operation stored in advance are compared and determined,
It determines whether the card is valid or invalid. First, if it is a customer card, the comparison judgment is made based on the flowchart shown in FIG. That is, first, the read issue date and time and the issue date and time of the guest card stored in the RAM 18 are compared, and the issue date and time read from the magnetic card 1 is stored. If it is the same as or newer than the minute, it is determined to be valid, and the valid year, month, day, hour, minute read and the current year, month, day, hour, minute, and time measured by the clock IC 17 are compared, and the valid year, month, day, hour, minute is from the current point If it is in the future, it is determined to be valid, the read room number of the object to be used is compared with the room number stored in the RAM 18, and if they match or are inclusive, it is determined to be further effective, and then the unlocking is performed. It is determined whether the device 9 is in the unlocking prohibited state, and if it is not in the unlocking prohibited state, the operation of the personal identification number performed by the card issuing machine 8 from the room number read from the magnetic card 1 and the issued date and time. Similarly, the arithmetic control circuit 15 Performs computation, comparison determines whether matching collates the personal identification number read from the number and magnetic card 1 of the calculation result. If they coincide with each other, the arithmetic control circuit 15 determines that the used magnetic card 1 is a valid card for the unlocking device 9, and through the decoder 25 and the I / O circuit 20, the unlocking of the latch bolt is performed. A control signal is output to the electric lock 19 to unlock it. Further, the issue date and time of the guest card stored in the RAM 18 is updated to the issue date and time read from the used magnetic card 1, and the magnetic card 1 is further updated.
The hotel code number, the room number, and the card code, which are read from, are written in predetermined addresses in the RAM 18, respectively.

In the case of a membership card, the current date and time measured by the clock IC 17 exceeds the issued date and time and the date and time read as shown in FIG. 6, and the valid date and time and date read from the magnetic card 1 And the current date and time are compared with each other, and if the effective date and time is a time in the future from the present time, it is determined to be valid, and the room number and RAM of the next read object are used.
The room number stored in 18 is compared, and if they match or are included, it is determined to be more effective, and then it is determined whether or not the unlocking device 9 is in the unlocking prohibited state, and the unlocking prohibited state. Otherwise, the operation control circuit 15 performs the same operation as the operation of the personal identification number performed by the card issuing machine 8 from the member code number read from the magnetic card 1 and the date and time of issuance, and the numerical value and magnetic value of the operation result. The personal identification number read from the card 1 is collated and compared to determine whether they match.
If they match, the arithmetic control circuit 15 performs the same control operation for unlocking as in the case of the above-mentioned customer card and the update of the write data to the RAM 18.

Further, in the case of a business card, the type of the business card is determined by a type determination routine. When it is determined in this determination routine that the card is a maid card, the employee code number is calculated from the magnetic card 1 as shown in FIG.
Is read, then the date and time of issue issued from the magnetic card 1 is read, the date and time of issue is compared with the date and time of issue of the maid card stored in the RAM 18, and the issue year read from the magnetic card 1 is read. If the date and time of the month is the same as or newer than the stored date and time, the date and time is determined to be valid, and the valid date and time read and the current date and time measured by the clock IC 17 are compared. Then, if the effective date and time is a time in the future from the present time, it is judged to be effective, and the room number of the next read use room is compared with the room number stored in the RAM 18 to determine whether they match or are inclusive. If so, it is further determined to be valid, and then it is determined whether or not the unlocking device 9 is in the unlocking prohibited state. If not, the magnetic card 1
The operation control circuit 15 performs the same operation as the operation of the personal identification number performed by the card issuing machine 8 from the employee code number read from the personal identification number and the date and time of issue, and the result of the arithmetic operation and the personal identification number read from the magnetic card 1. And are compared to determine whether or not they match. If they match, the arithmetic control circuit 15 performs the same control operation for unlocking as in the case of the above-mentioned customer card and the update of the write data to the RAM 18.

When the magnetic card 1 is a master card or an emergency card, as shown in FIG. 8, the issuing date and time is read from the magnetic card 1, and the issuing date and time and the master emergency card stored in the RAM 18 are stored. The date and time of issue are compared with the date and time of issue read from the magnetic card, and the date and time of issue read from the magnetic card are the same as the stored date and time of issue or new. The current date and time measured by the clock IC 17 exceeds the issued date, time, and date determined to be valid, and the valid date and time read from the magnetic card 1 and the current date and time If the effective date and time is a time in the future from the present time, it is determined to be effective, and then the card issuing machine 8 is performed based on the employee code number read from the magnetic card 1 and the issue date and time. Dark Operation similar to the operation of the number control circuit 1
The calculation is carried out in 5, and the calculation result and the magnetic card 1
The personal identification number read from is collated to determine whether or not they match. If they match, the arithmetic control circuit 15 performs a control operation for unlocking.

If the magnetic card 1 is a maintenance / inspector's card, as shown in FIG. 9, the issuing date and time is read from the magnetic card 1 similarly to the maid card, and the issuing date and time and the RAM 18 are read.
It is effective if the issue date and time of the maintenance inspector card stored in is compared and the issue date and time read from the magnetic card 1 is the same as the issued issue date and time or is new. It is determined that the effective date and time read by the clock IC 17 are compared with the current date and time measured by the clock IC 17, and if the effective date and time is in the future from the present point, it is determined to be effective. And then read the room number and RAM of the target to be used
The room number stored in 18 is compared, and if they match or are included, it is determined to be more effective, and then it is determined whether or not the unlocking device 9 is in the unlocking prohibited state, and the unlocking prohibited state. Otherwise, the arithmetic control circuit 15 performs the same operation as the operation of the personal identification number performed by the card issuing machine 8 based on the trader code number read from the magnetic card 1 and the date of issuance date and time. The personal identification number read from is collated to determine whether or not they match. If they match, the arithmetic control circuit 15 performs the same control operation for unlocking as in the case of the above-mentioned customer card and the update of the write data to the RAM 18.

When an employee performs a maintenance / inspection on the maintenance / inspector's card, issue a maintenance / inspector's card for the employee, and when checking this card, read the employee code number like a maid card. And the calculation of the personal identification number based on the employee code number.

Next, in the case of an unlocking prohibition card or a release card, as shown in FIG. 10, the date and time of issuance of the business card read out exceeds the current time measured by the clock IC 17 and is read from the magnetic card 1. The effective date and time is compared with the current date and time, and the effective date and time is determined to be valid if the time is later than the current time, and the room number of the next read object and the RAM 18 are stored. If it is valid, it is determined that it is more valid. If it is valid, the PIN code made by the card issuing machine 8 from the room number and the date and time of issue as with the customer card. The arithmetic control circuit 15 performs an arithmetic operation similar to the arithmetic operation (1) and compares the arithmetic result with the personal identification number read from the magnetic card 1 to determine whether or not they match. If they match, the arithmetic and control circuit 15 sets the unlocking device 9 to the unlocking prohibited state or releases the unlocking prohibited state, and the same RA as in the case of the other cards described above.
The write data for M18 is updated.

Further, when the magnetic card 1 is a spare card, as shown in FIG. 11, the read room number of the room to be used is compared with the room number stored in the RAM 18, and if they match or are included, it is judged that the room number is further effective. If it is valid, the operation control circuit 15 performs the same operation as the operation of the personal identification number performed by the card issuing machine 8 from the room number and the date and time of issue as in the case of the customer card. The personal identification number read from 1 is collated and compared to determine whether they match.
If they match, the arithmetic control circuit 15 performs the unlocking control operation.

FIG. 12 shows a flowchart of the operation of unlocking control, and the arithmetic control circuit 15 indicates that the door shutout detection signal indicating the closed state in which the door 12 is locked by the thumb turn is the electric lock 1.
It is judged whether it is input from the 9 side, and if it is not input, if it is judged that the used card is valid, a control signal for unlocking is output for 50 msec by the built-in timer in the direction to unlock the latch bolt. To drive. Then, a door open / close detection switch (not shown) that resets the control signal and detects whether the door 12 is opened next is turned on, that is, it is determined whether the door 12 is closed and closed. If the door open / close detection switch is not turned off within 5 seconds, the arithmetic and control circuit 15 outputs a control signal for locking the electric lock 19 for 50 msec, locks it, and then resets it. The unlocking operation ends. When the door 12 is opened at the time of unlocking or within 5 seconds after unlocking and the door open / close detection switch is turned off, the locking control is not performed. Of course, when the door 12 is closed again and the ON signal of the door open / close detection switch is input, the arithmetic control circuit 15 issues a control signal for locking in the same manner as described above.

When the shutout detection signal is input, unlock control is not performed unless the card used is an emergency card, and unlock control is performed as described above if the card is an emergency card.

By the way, the unlocking device 19 of the hotel room in the case of the present embodiment
However, the lock key in the room, the locker key of the facility,
Of course, it can be applied to the keys of the meeting room, the meeting room, etc., or to turn on / off the lights in the room. Of course, it may be used to determine whether the key of the bank safe deposit box other than the hotel or the card of the system using other cards is valid or invalid.

Although the magnetic card 1 is used, a card having another recording medium may be used.

[Effects of the Invention] The present invention is configured as described above, and has a card-specific number consisting of the date and time of issue, a unique number assigned to a use element such as a place of use and a user, and the effective date and time of the card. It is equipped with a card issuing machine that records at least the minutes and at least on the card and uses a predetermined relation coefficient based on the above-mentioned unique number to record the numerical value of the calculation result on the above card. Without using any means, it is possible to record a secret number other than simple data such as a room number and time of use, which cannot be discriminated by a third party on the card. Therefore, the card can be easily forged. It is possible to prevent this from happening, to improve the reliability of the system, and to record on the card at least a storage means for storing at least the numbers unique to the card previously used and the numbers unique to the elements used. A card reader that reads the recorded numbers and numerical data, a clock means that measures the current date and time, a number unique to the card consisting of the issued date of the read card, and a unique number assigned to the above-mentioned use element. It is an effective card with a certain relationship between the number unique to the card stored in the memory means and the unique number assigned to the used element and the current time measured by the clock means. It is calculated by using the same relation coefficient as the above-mentioned predetermined relation coefficient based on the first comparison / determination means for comparing and determining whether or not, and the number unique to the card read from the card and the unique number assigned to the used element. It is provided with a second comparison / determination means for checking whether the numerical value of the calculation result and the numerical value of the calculation result read from the card match to judge whether or not the card is a valid card. Judgment When it is effective, a control signal is generated to the controlled device, so the validity of the card can be determined without requiring special cryptanalysis means, therefore without enlarging the program and enlarging the data, Therefore, the memory capacity is small and the device can be downsized and the manufacturing cost can be reduced. Moreover, the calculation is performed every time the cards are collated and the calculation result is compared and judged. This has the effect of eliminating the need to memorize the specified personal identification number attached to the card, and since it can be issued prior to the start of the effective date, there is no particular need to memorize already issued data. In addition, there is an effect that no special storage means is required on the unlocking device side and the system can be restarted easily even if the system goes down.

[Brief description of drawings]

FIG. 1 is a diagram corresponding to the claims of the present invention, FIG. 2 is a schematic configuration diagram of the embodiment of the present invention, FIG. 3 is a circuit configuration diagram of the unlocking device of the same, and FIGS. 4 to 12 are the same. 2 is a flow chart for explaining the operation of, 1 is a magnetic card, 2 is storage means,
3 is a card reader, 4 is clock means, 5 is first comparison and determination means, 6 is second comparison and determination means, 7 is controlled means, 8 is a card issuing machine, 9 is an unlocking device, and 19 is an electric lock. Is.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shuji Nakamura 27 Kurashiki Electric Co., Ltd. 27 Nishi-Nishijojo-Hachiman-cho, Shimogyo-ku, Kyoto-shi, Kyoto (56) References JP-A-57-12775 (JP, A)

Claims (2)

[Claims] [Claim 1] A card-specific number consisting of the date of issue,
At least the unique number assigned to the usage element such as the place of use and the user and the effective date of the card are recorded on the card, and the result is calculated by using a predetermined relation coefficient based on the unique number. With a card issuing machine for recording the numerical value of the above in the card, a storage means for storing at least the unique number of the card previously used and the unique number assigned to the use element, and the number recorded in the card, A card reader that reads numerical data, a clock means that measures the current date and time, a number that is unique to the card that consists of the issued date of the read card, and a number that is assigned to the above-mentioned use element and is stored in the storage means. There is a certain relationship between the number unique to the playing card and the unique number assigned to the used element, and the current time measured by the clock means. Using the same relational coefficient as the above-mentioned predetermined relational coefficient based on the first comparison / determination means for comparing and judging whether or not it is a card, and the number unique to the card read from the card and the unique number assigned to the used element. And a second comparison / determination means for determining whether or not the card is a valid card by collating whether or not the numerical value of the arithmetic result and the numerical value of the arithmetic result read from the card coincide with each other. A card processing system, wherein a control signal is generated to a controlled device when the judgment of the comparison judgment means is effective. 2. The card processing system according to claim 1, wherein the controlled device is an electric lock.