JP2000099801A - Password input device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a password from being known by a third party even if the movement of an operator is observed by him. SOLUTION: This device is provided with a display/input device where a password input screen is displayed in the state that touch panels are piled up and specified information is inputted by touching the touch panel through an operator and a ten key control means for changing at random a position of each numeral key of a ten key 35 displayed on the password input screen. In this case, since the position of each numerical ten key 35 is changed at random, a third party cannot know the password even if he observes movement of the operator and a cash card of the operator is not abused.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a personal identification number input device.

[0002]

2. Description of the Related Art Conventionally, a customer-operated settlement terminal such as an ATM installed in a financial institution and an information terminal for purchasing goods in accordance with catalog information provided in a convenience store uses a cash card. Payments can be made immediately.

FIG. 2 is a perspective view of a conventional customer-operated payment terminal. In this case, the information terminal will be described.
In the figure, 11 is an information terminal for purchasing a product according to catalog information, 12 is a monitor having a display with a touch panel, and the monitor 12 displays a screen such as catalog information on the display in a hierarchical manner.
13 inserts and removes a cash card (not shown),
A card reading / writing unit 14 for reading and writing information from / to a cash card, and a receipt print output unit 14 for printing a receipt (not shown) and discharging the receipt.

In the information terminal 11 configured as described above, when a customer as an operator touches a touch panel on each screen to select an item and designate a product to be purchased, a purchaser name / destination guide screen is displayed. You. Subsequently, the customer touches the touch panel on the purchaser name / destination guide screen and inputs the purchaser's name, destination, and the like.
Next, the customer inserts the cash card into the card reading / writing section 1.
3 and inputting the personal identification number and the payment amount on the personal identification number input screen, the payment amount input screen, etc., for example, I
The password is collated by the host computer of the settlement center via the SDN line, and if the password is correct, the customer's ledger is updated, and the payment amount, the commission, and the shipping fee are subtracted from the balance.

[0005] When the settlement is completed in this way, the host computer sends down data of the transaction contents to the information terminal 11. When receiving the downlink data, the information terminal 11 edits a part of the downlink data and discharges the receipt from the receipt print output unit 14. Then, when the customer receives the receipt, the transaction ends.

FIG. 3 is a diagram showing an example of a password input screen on a conventional display. As shown in the figure,
0 to a predetermined area AR1 near the center of the password input screen.
A ten key 31 consisting of 9 numeric keys is displayed, and the customer specifies the ten key 31 in accordance with the message "Please enter a password" displayed in a predetermined area AR3 at the upper end of the password input screen. Each time a numeric key is sequentially touched, each asterisk corresponding to the touched numeric key is sequentially displayed in the area AR2, and four digits (digits) are displayed.
Is entered.

Next, when the customer touches the "confirm" key 32, collation of the personal identification number is started. If the numeric key is touched by mistake, the password input screen can be initialized by touching the "cancel" key 33.

[0008]

However, in the conventional information terminal 11, when a third party can obtain a customer's cash card by any method, for example, by observing the operation of the customer, If the personal identification number can be known based on the movement of the customer's finger, the cash card will be misused.

The present invention solves the problem of the conventional information terminal 11, and even if a third party observes the customer's operation, the third party cannot know the password, and the customer's cash card is misused. It is an object of the present invention to provide an input device for a personal identification number which is not performed.

[0010]

For this purpose, in the password input device of the present invention, a password input screen is displayed in a state where the touch panel is overlaid, and a predetermined number is displayed by the operator touching the touch panel. A display / input device for inputting information; and ten key control means for randomly changing the positions of the respective numeric keys of the ten keys displayed on the password input screen.

In another input device for a personal identification number of the present invention, a personal identification number input screen is displayed in a state where a touch panel is overlaid, and a predetermined information is inputted by an operator touching the touch panel. It has an input device. Then, the size of the numeral on each of the numeric keys of the numeric keypad displayed on the password input screen is made smaller than the size of the characters on the other keys displayed on the password input screen.

According to still another input device for a personal identification number of the present invention, a personal identification number input screen is displayed in a state where a touch panel is overlaid, and a predetermined information is inputted by an operator touching the touch panel. An input device;
Touch detection means for detecting that the operator has touched the touch panel, number display means for displaying numbers corresponding to the state in which the operator has touched the touch panel, and display based on the state in which the operator has touched the touch panel Number determining means for determining the set number as the number of the personal identification number.

[0013]

Embodiments of the present invention will be described below in detail with reference to the drawings. In this case, an information terminal for purchasing a product according to catalog information will be described as a customer-operated payment terminal. FIG.
1 is a block diagram of an information terminal according to a first embodiment of the present invention. In the figure, reference numeral 11 denotes an information terminal, and 15 denotes a control unit. The control unit 15 includes a motherboard 15a including a CPU, a memory, and the like, an HDD 15b, an IO interface unit 15c, and the like, and controls the entire information terminal 11.

A display unit 16 having a display (not shown) and a touch panel operation unit 17 having a touch panel (not shown) are connected to the control unit 15. The display unit 16 displays various screens with a touch panel overlaid on the display, and the touch panel operation unit 17 captures information input by a customer as an operator touching the touch panel. Then, by the display unit 16 and the touch panel operation unit 17,
Monitor as a man-machine interface, ie
A display / input device is configured. For example, a large (1 inch or more receipt print output unit) LCD is used as a display so that pictures and the like as catalog information can be displayed on the screen as accurately as possible. When the viewing angle is in a direction perpendicular to the plane of the LCD, the screen becomes easy to see. Therefore, as shown in FIG. 2, the monitor 12 (see FIG. 2) is set to be substantially vertical.

The control unit 15 includes a card reading / writing unit 13 for inserting and removing a cash card (not shown) and reading and writing information on the cash card, printing on a receipt (not shown), and printing of a receipt. A receipt print output unit 19 for discharging and a line control unit 20 for controlling communication with a settlement center via an ISDN line are connected.

Reference numeral 21 denotes a power supply unit for performing conversion from AC to DC and applying a DC voltage to each element in the information terminal 11. In the information terminal 11 configured as described above, when the customer touches the touch panel on each screen to select an item and designate a product to be purchased, a purchaser name / destination guide screen is displayed. Subsequently, the customer touches the touch panel on the purchaser name / destination guide screen and inputs the purchaser's name, destination, and the like. Next, the customer inserts the cash card into the card reading / writing section 13 and inputs the personal identification number and the payment amount on the personal identification number input screen, the payment amount input screen, etc., for example, the host of the settlement center via the ISDN line. The computer verifies the PIN and, if the PIN is correct, updates the customer's ledger and subtracts the amount paid, fees and shipping charges from the balance.

When the settlement is completed in this way, the host computer sends down data of the transaction contents to the information terminal 11. When receiving the downlink data, the information terminal 11 edits a part of the downlink data and discharges the receipt from the receipt print output unit 19. Then, when the customer receives the receipt, the transaction ends.

Next, the password input screen will be described. FIG. 1 is a diagram showing an example of a password input screen according to the first embodiment of the present invention. As shown in the figure, 0-9 are set in a predetermined area AR1 near the center of the password input screen.
A numeric keypad 35 consisting of numeric keys is displayed.
Each time the predetermined numeric key of the numeric keypad 35 is touched in accordance with the message of "Please enter a password" displayed in the predetermined area AR3 at the upper end of the password input screen, the touched numeric key Are sequentially displayed in the area AR2, and a four-digit password is input.

Next, when the customer touches the "confirm" key 32, collation of the personal identification number is started. If the numeric key is touched by mistake, the password input screen can be initialized by touching the "cancel" key 33. In this case, the numeric keypad control means (not shown) in the control unit 15 (FIG. 4) randomly changes the position of each numeric key of the numeric keypad 35 by referring to a random number table (not shown) every time the password input screen is set. I do. Therefore, while the customer inputs the personal identification number while looking at the displayed numeric key, even if the third party observes the operation of the customer, the third party cannot know the personal identification number, and the customer's cash card is misused. Nothing.

Furthermore, the hardware configuration of the conventional customer-operated payment terminal can be used as it is, and the appearance can be made the same as that of the conventional customer-operated payment terminal, so that the cost of the password input device can be reduced. Not only can be performed, but also the work for the design change can be simplified. Further, since each screen other than the password input screen can use the conventional customer-operated payment terminal as it is, the visibility of the conventional customer-operated payment terminal can be maintained.

Next, a second embodiment of the present invention will be described. In addition, about what has the same structure as 1st Embodiment, the description is abbreviate | omitted by attaching the same code | symbol. FIG. 5 is a diagram showing an example of a password input screen according to the second embodiment of the present invention.

In the figure, a numeric keypad control means (not shown) in the control unit 15 (FIG. 4) refers to a random number table (not shown) every time the password input screen is set, and determines the position of each numeric key of the numeric keypad 36. Change randomly. Also,
The size of the number in each numeric key of the numeric keypad 36 is:
A "confirmation" key 32 displayed on the password input screen;
It is made smaller than the character size of other keys such as the "cancel" key 33. Therefore, 1 [m] from the information terminal 11
Only those who are within the range can determine the number displayed on the number keys, and cannot observe the number even if the password input screen is viewed from a distance.

Next, a third embodiment of the present invention will be described. In addition, about what has the same structure as 1st Embodiment, the description is abbreviate | omitted by attaching the same code | symbol. FIG. 6 is a diagram showing an example of a personal identification number input screen according to the third embodiment of the present invention.

In this case, a numeric keypad 38 consisting of numeric keys 0 to 9 is displayed in a predetermined area AR4 near the center of the lower end of the password input screen. Therefore, on the password input screen, the numeric keypad 38 is hidden by the shadow 39 of the customer as an operator, so that a third party cannot observe the password input screen, and Cannot be determined.

In this embodiment, the ten key 3
The size of the numeral in each of the number keys 8 is made equal to the size of the characters in the other keys displayed on the password input screen, but may be smaller than the size of the characters in the other keys. Next, a fourth embodiment of the present invention will be described. In addition, about what has the same structure as 3rd Embodiment, the description is abbreviate | omitted by attaching the same code | symbol.

FIG. 7 is a diagram showing an example of a password input screen according to the fourth embodiment of the present invention. In this case, a ten-key control unit (not shown) in the control unit 15 (FIG. 4)
Each time the password input screen is set, the position of each numeric key of the numeric keypad 40 is randomly changed with reference to a random number table (not shown). Therefore, when a customer as an operator inputs a password while looking at the displayed numeric keys, a third party cannot know the password even if he observes the operation of the customer.

Next, a fifth embodiment of the present invention will be described. In addition, about what has the same structure as 1st Embodiment, the description is abbreviate | omitted by attaching the same code | symbol. FIG. 8 is a diagram showing an example of a password input screen according to the fifth embodiment of the present invention.

In this case, when a customer as an operator touches a predetermined position on the touch panel, the touch detection means of the touch panel operation section 17 (FIG. 4) detects that the touch panel has been touched and controls the detection signal. Send to section 15. Then, when the customer drags by dragging the finger on the touch panel, the drag distance detecting means (not shown) in the control unit 15 moves from the position 45 where the drag was started to the position 46 where the drag was ended. Is detected. Subsequently, a numeral display means (not shown) in the control unit 15 reads a numeral corresponding to the distance L with reference to a table (not shown), and displays the numeral read out at a predetermined position near the center of the lower end of the password input screen. Area A
Display on R5.

Then, when the number displayed in the area AR5 matches the first digit of the personal identification number, when the customer double-touches the vicinity of the position 46 where the drag has been completed, The number displayed in the area AR5 is changed to a password 1 by a number determining means (not shown).
Determined as the digit in the digit. Similarly, the second to fourth digits of the password are input and determined.

In this embodiment, on the password input screen, the area AR5 is the shadow 39 of the customer (FIG. 6).
Therefore, a third party cannot observe the personal identification number input screen and cannot determine the number displayed in the area AR5. Further, since only one digit is displayed in the area AR5, it is extremely difficult for a third party to know the password even when observing the operation of the customer.

Next, a sixth embodiment of the present invention will be described. In addition, about what has the structure same as 5th Embodiment, the description is abbreviate | omitted by attaching | subjecting the same code | symbol. FIG. 9 is a diagram showing an example of a password input screen according to the sixth embodiment of the present invention.

In this case, when the customer as an operator touches the "@" key 51 provided at a predetermined position near the center of the personal identification number input screen, the touch detection means of the touch panel operation unit 17 (FIG. 4) , And detects that the “↑” key 51 has been touched, and sends a detection signal to the control unit 15. When the control unit 15 receives the detection signal, the control unit 15 starts counting time using a built-in first timer (not shown), and calculates a time τ1 during which the “↑” 51 key is touched by a touch time calculation unit (not shown). calculate. Subsequently, a numeral display means (not shown) in the control unit 15 reads a numeral corresponding to the time τ1 with reference to an up table (not shown), and reads the read numeral in the vicinity of the center of the lower end portion of the password input screen. It is displayed in a predetermined area AR5.

For example, if the up table is set so that the number increases by one each time the time τ1 elapses 0.5 seconds, if the “↑” key 51 is touched for 4 seconds, the area AR5 is displayed. “8” is displayed. On the other hand, when the customer touches the “↓” key 52 disposed below the “↑” key 51, the touch detection means detects that the “↓” key 52 has been touched, and outputs a detection signal to the control unit. Send to 15. Then, when receiving the detection signal, the control unit 15 starts counting time by a built-in second timer (not shown),
The touch time calculation means calculates a time τ2 during which the “↓” 52 key is touched. Subsequently, the number display means reads a number corresponding to the time τ2 with reference to a down table (not shown), and displays the read number in the area AR5.

When the customer touches the "OK" key 53 when the number displayed in the area AR5 and the first digit of the personal identification number match, the number determining means (not shown) in the control section 15 Thus, the displayed number is determined as the first digit of the personal identification number. Similarly, the second to fourth digits of the password are input and determined.

It should be noted that the present invention is not limited to the above-described embodiment, but can be variously modified based on the gist of the present invention, and they are not excluded from the scope of the present invention.

[0036]

As described above in detail, according to the present invention, in the personal identification number input device, the personal identification number input screen is displayed with the touch panel being overlaid, and the operator touches the touch panel. And a numeric keypad control means for randomly changing the position of each numeric key of the numeric keypad displayed on the password input screen.

In this case, since the positions of the numeric keys on the numeric keypad are changed at random, even if the third party observes the operation of the operator, the third party cannot know the password, and the third party's cash card cannot be obtained. Is not abused. Moreover, the hardware configuration of the conventional customer-operated payment terminal can be used as it is, and the appearance can be made the same as that of the conventional customer-operated payment terminal, so that the cost of the PIN input device can be reduced. Not only can the task for design change be simplified.

Further, since each screen other than the password input screen can use the conventional customer-operated payment terminal as it is, the visibility of the conventional customer-operated payment terminal can be maintained. In another password input device of the present invention, a display / input device that displays a password input screen in a state where a touch panel is overlaid, and in which predetermined information is input by an operator touching the touch panel. Have.

Then, the size of the numeral of each numeric key of the numeric keypad displayed on the password input screen is made smaller than the size of the characters of the other keys displayed on the password input screen. In this case, since the size of the number in each numeric key of the numeric keypad is smaller than the size of the character in the other keys, 1 [m] from the customer-operated settlement terminal
Only those who are within the range can determine the number displayed on the number keys, and cannot observe the number even if the password input screen is viewed from a distance.

According to still another input device for a personal identification number of the present invention, a personal identification number input screen is displayed in a state where a touch panel is overlaid, and a predetermined information is inputted by an operator touching the touch panel. An input device;
Touch detection means for detecting that the operator has touched the touch panel, numeral display means for displaying numbers corresponding to the state in which the operator has touched the touch panel, and display based on the state in which the operator has touched the touch panel Number determining means for determining the set number as the number of the personal identification number.

In this case, since only one digit is displayed by the numeral display means, it is extremely difficult for a third party to know the password even when observing the operation of the operator.

[Brief description of the drawings]

FIG. 1 is a diagram showing an example of a password input screen according to the first embodiment of the present invention.

FIG. 2 is a perspective view of a conventional customer operation type payment terminal.

FIG. 3 is a diagram showing an example of a password input screen on a conventional display.

FIG. 4 is a block diagram of the information terminal according to the first embodiment of the present invention.

FIG. 5 is a diagram showing an example of a password input screen according to the second embodiment of the present invention.

FIG. 6 is a diagram showing an example of a personal identification number input screen according to the third embodiment of the present invention.

FIG. 7 is a diagram illustrating an example of a password input screen according to a fourth embodiment of the present invention.

FIG. 8 is a diagram showing an example of a password input screen according to a fifth embodiment of the present invention.

FIG. 9 is a diagram illustrating an example of a personal identification number input screen according to a sixth embodiment of the present invention.

[Explanation of symbols]

 15 Control unit 16 Display unit 17 Touch panel operation unit 35, 36, 38, 40 Numeric keys

Claims (6)

[Claims] (A) A display in which a password input screen is displayed in a state where a touch panel is overlaid, and predetermined information is input by an operator touching the touch panel.
An input device for a personal identification number, comprising: an input device; and (b) ten-key control means for randomly changing the positions of respective numeric keys of the ten-keys displayed on the personal identification number input screen. (2) A display in which a password input screen is displayed in a state where a touch panel is overlaid, and predetermined information is input by an operator touching the touch panel.
(B) the size of the numerals on each of the numeric keys of the numeric keypad displayed on the password input screen is made smaller than the size of the characters on the other keys displayed on the password input screen. An input device for a personal identification number, characterized in that: 3. The password input device according to claim 1, wherein the numeric keypad is displayed at a lower end of the password input screen. 4. A display in which a password input screen is displayed in a state where a touch panel is overlaid, and predetermined information is input by an operator touching the touch panel.
An input device; (b) touch detection means for detecting that the operator has touched the touch panel; (c) numeral display means for displaying a number corresponding to a state in which the operator has touched the touch panel; A number determining means for determining a displayed number as a number of a personal identification number based on a state in which a person touches a touch panel. 5. The password input device according to claim 4, wherein the numeral display means displays a numeral corresponding to a distance at which the dragging is performed. 6. The password input device according to claim 4, wherein the number display means displays a number corresponding to a time when the operator touches the touch panel.