JPS5943790B2 - PIN input device - Google Patents

Description

[Detailed description of the invention] The present invention relates to a password input device.

For example, in order to restrict entry to special rooms such as computer rooms, vaults, warehouses, etc. to only specific people, an automatic door that can only be opened by specific people is installed at the entrance of the special room, and according to predetermined conditions. A device (VIP
gate) is in practical use.

In such a device, when determining whether a specific person is authorized to enter a room, each specific person has a magnetic card on which a code number representing the specific person is recorded in advance, and the code number and the code number read from the card are used. This was done based on the condition that the password entered by operating a password input device installed near the automatic door matched the password. Conventionally, V
After reading the recorded information on the magnetic card, the PIN number input device used in IP gates etc. uses a dedicated indicator light (or guide display; for example, "PIN number It was equipped with a display that read ``Please enter the key.'' Therefore, a dedicated indicator light was required to notify the user of the timing for inputting the password. Additionally, if the PIN number has multiple digits, an indicator light is required to show how many digits have been entered. Therefore, there were problems in that the configuration became complicated and the shape of the device became large. Therefore, the main object of the present invention is to use a single display device to display the number digits and to notify the timing of the state in which input of a password is permitted, thereby simplifying and downsizing the structure of the device. The purpose of the present invention is to provide a password input device.

The above objects and other objects and features of the invention will become more apparent from the following detailed description with reference to the drawings.

FIG. 1 is a block diagram of one embodiment of the present invention.

In the figure, an important special room (not shown) such as a computer room or a safe is formed separated from the surrounding area by a wall or the like, and an automatic door GT is provided at the entrance/exit. A specific person who is permitted to enter this special room is given a card CD on which various types of information that condition permission to enter the room are recorded in advance in a machine-readable manner (for example, magnetically recorded). For example, this card CD contains a classification code that indicates the purpose of use, a company code, information that indicates the expiration date, a room code that specifies which special room can be entered when there are multiple special rooms, and a specific person's ID. Information such as a password, which is represented by a code number and is known only to the specific person, is recorded in advance. Near the entrance of the special room, there is a card insertion hole CH for inserting the card CD, and a numeric keypad T for entering the password.
K, and a display device DIS that displays the number of input digits entered manually and the input status of the PIN number.
(explained in the figure) are provided.

Further, in order to determine whether or not to allow entry into the special room based on the recorded information on the card CD, a determination control device DCC
is provided.

This determination control device DCC includes a card reader CR that reads recorded information on a card CD inserted into the card insertion hole CH, and a card information output from the card reader CR and a ten-key T.
The arithmetic processing unit CPU which performs arithmetic comparison with the password input from K and determines permission or disapproval of entry, the program setting storage part PM which presets the arithmetic processing operation of the arithmetic processing unit CPU, and energizes each device. It consists of a power supply circuit PA and an automatic door opening/closing drive circuit DOC. This program setting storage part PM contains program information for arithmetic processing operations,
Information such as all PIN numbers, classification codes, company codes, invalidation numbers for checking cards that have become invalid due to card loss, room codes, etc. for specific persons permitted to enter the room is also set and stored in advance. 〇Figure 2 shows the operation panel 0P.
An example of an illustrative diagram of P is shown.

In the figure, the display device DIS provided on the operation panel 0PP
is the indicator light LD corresponding to the number of digits of the PIN number (for example, 4 digits)
1 to LD4. These indicator lights LDl to LD4 are, for example, light emitting diodes, etc., and all light up when the card CD is valid, and when one digit of the PIN number is input to the ten-key TK.
Each time you enter a password, the light turns off one by one to let you know the number of digits you have entered. Also, tenkiichi TK is the number 0,
Consists of 1 to 9. Furthermore, a correction key is also preferably provided to correct any incorrectly entered numbers. FIG. 3 is a diagram to help explain the operation of this invention.

Next, the operation of the present invention will be explained with reference to FIGS. 1 to 3. First, in step 1, when a specific person inserts the card CD into the card insertion hole CH, the card
D is transported to the card reader CR.

In response, the card reader CR reads out the information recorded on the card CD (for example, information such as classification code, company code, expiration date code, room code, password, etc.) and provides it to the arithmetic processing unit CPU. Accordingly, the arithmetic processing device C
The PU compares the classification code read from the card CD in step 2 with the classification code preset in the program setting storage part PM, and determines the validity of the classification code. If the classification codes match, in step 3 the company code read from the card CD is compared with the company code preset in the program setting storage part PM to determine the validity of the company code. If the company codes match, the card CD will be sent in step 4.
Determine whether or not the use is within the expiration date. If the card is used within the expiration date, it is determined in step 5 whether the specific person's PIN read out from the card CD matches the invalidation number stored in the program setting storage part PM, which indicates invalidation of the card CD. do. If the PIN number and the invalid number do not match, in step 6, enter the room by using the genital (branch) 1 code read from the card CD and the card CD preset in the program setting storage part PM. The validity of the room code is determined by comparing it with the room code of the special room. If the room codes match, proceed to the next step. Step 2 to Step 6 above
If it is determined in step 7 that the card CD is valid, in the next step 7, the arithmetic processing unit CPU gives a command to light up all digits to the indicator light lighting circuit DSC.

In response, the indicator light lighting circuit DSC lights up all the indicator lights LDl to LD4 included in the display device DIS. In this way, by lighting all the indicator lights LDl to LD4, the indicator light lighting circuit DSC lights up the indicator lights LDl to LD4 of all the digits included in the display device DIS. completes the operation of determining the validity of
It notifies the specific person that it is time to enter the personal identification number on the numeric keypad. In step 8, when the special person presses the numeric keypad TK and inputs the one-digit number of the password, the arithmetic processing unit CPU gives a one-digit light-off command signal to the indicator light lighting circuit DSC.

Therefore, in step 9, the indicator lamp lighting circuit DSC turns off the one-digit indicator lamp (for example, LDl). In the next step 10, the arithmetic processing unit CPU determines whether or not 4 digits have been input from the numeric keypad TK. If 4 digits have not been input, the process returns to step 8, and continues from step 8 until 4 digits have been input. Repeat step 6 and turn on the indicator light LD.
2 to LD4 are turned off in sequence. As mentioned above, when a special person presses the numeric keypad TK and enters a PIN number consisting of four digits, all indicator lights LDl to LD4 will be activated.
is turned off, and the process proceeds to the next step 11. In step 11, the arithmetic processing unit CPU compares the password read from the card CD with the password entered by operating the numeric keypad TK, and determines whether the user of the card CD is a specific person. Determine. If the passwords match, in the next step 12, a green lamp (not shown) provided near the operation panel 0PP to notify permission to enter the room is turned on. In the next step 13, the arithmetic processing unit CPU gives a card return command to the card reader CR to return the card CD to a specific person from the card insertion hole CH. Furthermore, in step 14, the arithmetic processing unit C
PU gives a door opening signal to the automatic door opening/closing drive circuit DOC. Accordingly, the automatic door opening/closing drive circuit DOC is automatic door GT
After the specified person enters the special room, the automatic door is closed. If the PIN numbers do not match in step 11 described above, it is determined in step 15 whether or not the PIN numbers do not match for the third time.If it is not the third time, the . Repeat the action.
If the password entered by operating the ten-key TK within three times matches, the person is identified as a specific person and the automatic door GT is opened.

On the other hand, if the PIN entered for the third time does not match,
After determining that it is unauthorized use by a third party, take the next step 1.
Proceed to step 6. If it is determined in step 5 that the number is invalid, or if a mismatch is determined for the third time in step 15, then in step 16 the operation panel 0PP is
At step 17, a red lamp (not shown) installed near the card reader CR to notify the user that entry is prohibited will light up.
(not shown) intermittently to notify the staff that there is an unauthorized person entering the room, and the operation is temporarily stopped.

In addition, if the classification code 2 does not match in step 2 or the company code does not match in step 3, step 4
If it is determined in step 6 that the use is after the expiration date, or if the room codes do not match in step 6, a red lamp (not shown) is turned on in step 18 to notify that entry is prohibited.

That is, in step 18, if the card CD is used in the wrong room or the period of use is wrong, the red lamp is turned on. In the next step 19, the card CD is returned and the buzzer is sounded intermittently to notify the staff. As described above, according to this embodiment, it is determined that the card CD is valid and all digits of the digit indicator light are lit, and one digit indicator light is turned on each time a digit of the PIN is inputted using the number key. Since the number of digits entered is notified by turning off the light at a time, it is possible to notify two types and nine states of the timing of the input permission state of the PIN number and the number of digits entered using the numeric keypad using only the digit indicator light.

Therefore, there is no need for an indicator light (or a guide display; for example, a display indicating "Please enter your password") to inform the user of the timing at which the password should be entered. Also, it is possible to make a mistake in the number G manually. Therefore,
The structure of the operation panel is simplified and the shape can be made smaller.O As described above, according to the present invention, multiple indicator lights are used to display the input digits of the PIN number to notify the user of the state in which PIN input is permitted. Therefore, there is no need to separately provide a dedicated indicator light.

Therefore, it is possible to obtain a password input device with a simplified structure.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of one embodiment of this invention.
The figure shows an example of an illustrative diagram of the operation panel 0PP. FIG. 3 is a flowchart to help explain the operation of this invention. In the figure, CD is a card, DIS is a display device, TK is a number pad, CR is a card reader, DSC is an indicator light lighting circuit, CPU is a processing unit, PM is a program setting unit, PA is a power supply circuit, GT is an automatic door, DOC indicates the automatic door opening/closing drive circuit.

Claims (1)

[Scope of Claims] 1. A means for key-inputting PIN information, a plurality of indicator lights provided corresponding to each digit of the PIN input by the key-input means, and reading out recorded information on a card to display the card. and, in response to the output of the determining means, display control of the plurality of indicator lights so that the plurality of indicator lights notify that the key input means can start key input of the PIN number. A PIN number input device equipped with a means for 2. The display control means turns on all of the plurality of indicator lights in response to the output of the determination means, and turns off the plurality of indicator lights one by one each time a digit of a PIN is input using the key input means. 2. The personal identification number input device according to claim 1, wherein the plurality of indicator lights are display-controlled so as to display the plurality of indicator lights.