JPH07234940A - Individual discriminator - Google Patents

Abstract

PURPOSE:To provide a discriminator which discriminates an individual by a fingerprint capable of easily adapting for the fingerprint with a scar and with superior security. CONSTITUTION:After a password number is inputted from ten keys 8 and designation numbers representing a hand and a finger to be collated are inputted, the fingerprint is read by a fingerprint reader 6. A fingerprint discriminator 5 samples a feature point from a read fingerprint, and outputs fingerprint information, and coincidence/noncoincidenc is judged by collating the fingerprint information with prescribed fingerprint information in the fingerrpint information registered on a registration device.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for discriminating an individual by collating fingerprints.

[0002]

2. Description of the Related Art In order to prevent persons other than those concerned from entering a specific area in a building, a door that can be opened and closed by an electric lock is installed at the passage or entrance to the specific area, and a passage to the specific area is provided near this door. In some cases, an individual discriminating device for discriminating whether or not the person is permitted is installed. As this personal identification device, for example, as disclosed in Japanese Patent Laid-Open No. 61-255639, there is a device which detects a fingerprint to identify an individual.

This is because a fingerprint of a predetermined finger is picked up, the grayscale of the image is converted into an electric signal, fingerprint information is output, and the fingerprint information is collated with preliminarily registered fingerprint information. It is to judge whether there is a mismatch. Then, when the door is closed, an unlock signal is output to the electric lock when it is determined that the fingerprint information matches, and no unlock signal is output when the fingerprint information does not match.

[0004]

In the conventional personal identification device as described above, since the finger for collating the fingerprint is predetermined, if the finger is injured, accurate detection cannot be performed. There is a problem that the finger needs to be newly registered. Further, if the same finger is used, there is a danger that a copy of the fingerprint will be used for passing, which is not preferable for building security.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a personal identification device which can easily cope with a finger injury and has excellent confidentiality. .

[0006]

A personal identification device according to a first aspect of the present invention is a fingerprint information output device for reading an input fingerprint and outputting fingerprint information, and a registration for registering fingerprint information of a plurality of fingers. The fingerprint information output from the fingerprint information output device is collated with the fingerprint information of the finger designated by the designated device among the registered fingerprint information, and the device and the designation device for designating each finger are provided. Alternatively, it is provided with a fingerprint collation means for judging a mismatch.

The personal identification device according to the second aspect of the invention is provided with the fingerprint information output device of the first aspect of the invention, a registration device, and a designation device, and the fingerprint information output from the fingerprint information output device is registered as above. A fingerprint collating unit that collates with predetermined fingerprint information of the fingerprint information to determine whether the fingerprints match or does not match, and if the fingerprint collating unit determines that the fingerprints do not match, the fingerprint of the finger designated by the designated device of the registered fingerprint information. It is provided with a fingerprint re-collation means for collating with the information and judging the coincidence or non-coincidence thereof.

A personal identification device according to a third aspect of the present invention is the personal identification device according to the first aspect of the present invention, wherein fingerprint information of the same finger of the left and right hands is registered as a set in the registration device.

Further, in the personal identification device according to the fourth aspect of the invention, in the third aspect of the invention, one set of fingerprint information of the same finger of the left and right hands is registered in the registration device, and the specified device collates from either the left or right hand. This is to specify whether to do.

The personal identification device according to the fifth aspect of the present invention is the personal identification device according to the third aspect of the present invention, wherein a plurality of sets of fingerprint information of the same finger of the left and right hands are registered in the registration device, and the designation device identifies the same finger of the left and right hands. It is designed to specify which of the pairs is to be matched.

The personal identification device according to a sixth aspect of the present invention is the personal identification device according to any one of the first to fifth aspects of the invention, wherein the designation device is an input device accompanied by an artificial operation.

In the personal identification device according to the seventh aspect of the present invention, the designated device is a ten-key for inputting a personal identification number or a personal identification card in which a personal identification number is recorded, and the order of the fingers to be collated is the personal identification number or personal identification number. It is set correspondingly.

The personal identification device according to the eighth aspect of the present invention is provided with a plurality of fingerprint discriminators according to the first to seventh aspects of the invention, and the fingerprint information registered by each registration device corresponds to fingerprint information corresponding to different fingers. It is set to be.

[0014]

In the first aspect of the present invention, the fingerprint information output from the fingerprint information output device is collated with the fingerprint information of the designated finger to determine whether the fingerprint information is matched or not matched. Can be specified by the person. Also, the registered finger is unknown to others.

Further, in the second invention, the fingerprint information output from the fingerprint information output device is collated with the predetermined fingerprint information registered, and if it is determined that they do not match, the fingerprint of the newly designated finger is obtained. Since a match or a mismatch is determined by collating with the information, if the first collation is unsuccessful, the finger to be collated next can be designated. In addition, it is usually not necessary to specify a finger.

Further, in the third invention, fingerprint information of the same finger of the left and right hands is registered as a set, and in the fourth invention, one set of fingerprint information of the same finger of the left and right hands is registered and the collation order is registered. In the fifth invention, the fingerprint information of the same finger on the left and right hands is registered in plural sets, and which set is specified to be matched, so that the matching by two fingers is performed.

Further, in the sixth aspect of the invention, since the finger is designated by the input device accompanied by the artificial operation, the collating person can designate the finger to be collated.

Further, in the seventh invention, since the order of the fingers to be collated is set in correspondence with the personal identification number or the personal identification number, it is not necessary to separately input the order of the fingers.

Further, in the eighth aspect of the invention, when a plurality of fingerprint discriminators are installed, the fingerprint information corresponding to different fingers is registered. Therefore, all fingerprint information handled by each fingerprint discriminator is the same. It doesn't.

[0020]

【Example】

Example 1. 1 to 3 are views showing an embodiment of the first invention of the present invention, FIG. 1 is a front view of a door portion, FIG. 2 is a block diagram of a fingerprint discriminator, and FIG. 3 is an operation flowchart. The reference numerals indicate the same parts.

In FIG. 1, (1) is a wall inside the building, and (2) is a wall.
A door that opens and closes the entrance and exit provided in (1), (3) is a knob of the door (2), (4) is an electric lock that locks or unlocks the door (2), and (5) is a door (2).
A fingerprint reader (6) for reading fingerprints, a display (7) consisting of OK and NG lights for displaying the collation result, and a numeric keypad for inputting a personal identification number, which is a fingerprint discriminator installed on the wall (1) near the It has (8).

In FIG. 2A, (9) is a CPU and (10) is an R.
OM, (11) is RAM, (12) is a fingerprint feature point extraction device that is connected to the fingerprint reader (6) and extracts the feature points of the read fingerprint to output fingerprint information. A fingerprint information output device is configured by the fingerprint feature point extraction device (12). (13) is an interface, and each of the above devices (7) to (1
3) are connected to each other by a bus (14), and the interface (13) is connected to an electric lock (4).

In addition to the program for instructing the operation, the ROM (10) stores the personal identification number of the person who registered the fingerprint, the designated number of the finger, and the fingerprint information as a set. In addition, FIG. 2B shows an input signal from the ten-key pad (8), which is composed of an N-digit personal identification number (15a) and a designated finger number (15b), and the designated finger number (15b) is left and right. It is composed of a number X (1 or 0) indicating which hand it is and a number Y indicating a number (1 to 5) indicating any of the five fingers.

Next, the operation of this embodiment will be described with reference to FIG. It should be noted that the lighting of the OK lamp or the NG lamp indicates that the processing is in progress, and the blinking thereof indicates the final result. Door now
It is assumed that (2) is closed and the electric lock (4) is locked. A person who wants to open the door (2) inputs the personal identification number with the ten-key (8) and collates the fingerprint with the fingerprint reader (6) based on the instruction of the display (7). Fingerprint discriminator (5)
Wait until the personal identification number (15a) and the designated finger number (15b) are entered in (21), and then the personal identification number (15a) entered in step (22) is registered in the ROM (10). Judge whether the number is.

If the number is not registered in the ROM (10), the NG lamp of the display (7) is temporarily blinked in the step (23) and the process returns to the step (21) to be registered in the ROM (10). If it is the number, go to step (24) and turn on the OK lamp for a predetermined time. In step (25), it is judged whether the fingerprint reader (6) has read the fingerprint within the predetermined time (the time when the OK light is on). If not, the NG light is blinked temporarily in step (26). At the same time, the process returns to step (21). If read, proceed to step (27).

In step (27), it is determined whether the fingerprint information of the finger of the designated number (15b) of the person's finger corresponding to the personal identification number (15a) and the fingerprint information of the read fingerprint match. If they match, the OK lamp will blink temporarily in step (28), and
Proceeding to step (29), an unlock signal is output to the electric lock (4) via the interface (13). The electric lock (4) is now temporarily unlocked and the person can turn the knob (3) to open the door (2).

If it is determined in step (27) that the fingerprint information does not match, the process proceeds to step (30) to determine whether the fingerprint has been read M times or more within a predetermined time (the time when the OK lamp is on). If it has not been read, the NG lamp is temporarily turned on in step (31) and the process returns to step (25). If it has been read, the NG lamp is temporarily blinked in step (32), and the process returns to step (21). That is, when they do not match, the fingerprint can be read again up to M times while the OK lamp is lit.

In this way, since the finger to be collated is designated at the time of fingerprint collation, even if there is a scar on the finger, a healthy finger can be designated immediately.
In addition, since the registered finger is known only to the person himself / herself, it is possible for each person to register the finger unspecified, which provides excellent confidentiality and improves security in security.

Example 2. FIG. 4 is a main part operation flowchart showing an embodiment of the second invention of the present invention, in which a part of FIG. 3 is modified. 1 and 2 are also used in the second embodiment (the same applies to the other embodiments). Similar to the first embodiment, the fingerprint information is collated in step (27), and if they do not match, the designated number (15b) of the other finger within the predetermined time in step (35).
To determine if was entered. If not input, the NG lamp is temporarily blinked in step (36) and the process returns to step (21).
If input, proceed to step (37).

In step (37), it is judged whether the fingerprint has been read within a predetermined time, and if it has not been read, step (38)
Then blink the NG lamp temporarily and return to step (21). If read, proceed to step (39). In step (39), it is determined whether the fingerprint information of the finger newly designated in step (35) matches the fingerprint information of the read fingerprint. If they match, go to step (29), if not, go to step
Proceed to (30).

In this way, the first finger to be collated is decided to be, for example, the index finger of the left hand, and the next finger is set on the spot only when the collation is not established due to injury or the like. . That is, normally, all of them are operated with the same finger, and the other finger is designated only when the finger is disturbed. Therefore, the same effect as that of the first embodiment can be expected.

Example 3. It is one Example of 3rd invention of this invention, and diverts FIGS. 1-3. In this embodiment, fingerprint information of the same finger of the left and right hands (for example, the middle finger of the left hand and the middle finger of the right hand) is registered as a set, and the finger to be collated is designated by the ten key (8). The same effect can be expected. Next, a specific example of the third embodiment will be described with reference to the fourth and fifth embodiments.
Shown in.

Example 4. This embodiment shows an embodiment of the fourth invention, in which one set of fingerprint information of the same finger of the left and right hands is registered, and which of the left and right hands is to be used for matching is designated.

Example 5. This embodiment shows an embodiment of the fifth invention, in which a plurality of sets of fingerprint information of the same finger of the left and right hands are registered and which set is to be collated. At this time, it is possible to set either of whether the matching is determined to be successful when the two fingers of the same set both match the registered fingerprint information, or whether the matching is determined to be successful when even one finger is matched. Further, at this time, it may be decided in advance which of the left and right hands should be used for matching.

Example 6. This invention shows an embodiment of the sixth invention. In each of the above embodiments, the ten-key (8) is used as the designation device for designating the finger to be collated, but a personal identification device in which a personal identification card (ID card) or the like is operated can also be used. . A dedicated input switch may be used instead of the ten keys (8). in this way,
By using an input device that involves an artificial operation, it becomes possible for the user to specify the finger with their own will.
Confidentiality can be improved.

Example 7. This embodiment is an embodiment of the seventh invention, and the numeric keypad (8) shown in the first embodiment or the personal identification card shown in the sixth embodiment is used as a designation device for designating a finger to be collated. The order of is set in correspondence with the personal identification number or the personal identification number. In this case, it is not necessary to separately input the order of fingers, and the operation is easy.

Example 8. This embodiment shows an embodiment of the eighth invention, and when a plurality of fingerprint discriminators (5) shown in the above respective embodiments are installed, the fingerprint information registered by each fingerprint discriminator (5) is The fingerprint information corresponding to different fingers is set. In this way, the fingerprint information handled by each fingerprint discriminator (5) is not all the same finger, and thus confidentiality is improved.

Example 9. It is also possible to carry out as follows. (1) Instead of fingerprints, biometric personal identification such as retinal pattern, blood vessel pattern, palm pattern is used. (2) Instead of a personal identification number, a personal identification card using magnetism, integrated circuits, non-contact, light, etc. is used. (3) Widely applied not only to the opening / closing control of the door (2) but also to personal identification devices.

[0039]

As described above, according to the first aspect of the present invention, the fingerprint information output from the fingerprint information output device is collated with the fingerprint information of the designated finger to judge whether they match or not. , The collator can specify the finger to be collated,
Even if there is a scar on the finger, there is an effect that a healthy finger can be designated immediately. In addition, the registered finger is unknown to others, and the finger can be registered unspecified by each person, which has the effect of providing excellent confidentiality.

According to the second aspect of the invention, the fingerprint information output from the fingerprint information output device is collated with the registered predetermined fingerprint information, and if it is determined that they do not match, the fingerprint information of the newly designated finger is obtained. Since it is determined to match or not match by comparing with, if the first matching is not successful, the finger to be matched next can be designated, the same effect as the first invention can be obtained, and normally the finger is designated. There is an effect that the operation can be facilitated by making it unnecessary.

Further, in the third invention, fingerprint information of the same finger of the left and right hands is registered as a set, and in the fourth invention, one set of fingerprint information of the same finger of the left and right hands is registered and the collating order is designated. ,
In the fifth invention, since a plurality of sets of fingerprint information of the same finger of the left and right hands are registered and which set is to be collated is specified,
Collation with two fingers is performed, which has the effect of further improving confidentiality.

Further, in the sixth aspect of the invention, since the finger is designated by the input device accompanied by the artificial operation, the collator can designate the finger to be collated, and the confidentiality can be improved.

Further, in the seventh aspect of the invention, since the order of the fingers to be collated is set in correspondence with the personal identification number or the personal identification number, there is no need to input the order of the fingers separately, and there is an effect that the operation can be facilitated. .

In the eighth aspect of the invention, when a plurality of fingerprint discriminators are installed, the fingerprint information corresponding to different fingers is registered. Therefore, the fingerprint information handled by each fingerprint discriminator is the same. It has an effect that it can be made excellent in confidentiality.

[Brief description of drawings]

FIG. 1 is a front view of a door portion showing a first embodiment of the present invention.

2A is a block diagram of the fingerprint discriminator of FIG. 1, and FIG. 2B is a configuration diagram of an input signal by a ten-key pad.

FIG. 3 is an operation flowchart showing the first embodiment of the present invention.

FIG. 4 is a main part operation flowchart showing a second embodiment of the present invention.

[Explanation of symbols]

 5 Fingerprint discriminator 6 Fingerprint information output device (fingerprint reader) 8 Designation device (numeric keypad) 10 Registration device (ROM) 12 Fingerprint information output device (fingerprint feature point extraction device)

Claims (8)

[Claims] 1. A fingerprint information output device for reading an input fingerprint and outputting fingerprint information, a registration device for registering fingerprint information of a plurality of fingers, and a designation device for designating each finger,
An individual provided with fingerprint collation means for collating the fingerprint information output from the fingerprint information output device with the fingerprint information of the finger designated by the designating device among the registered fingerprint information and determining whether the fingerprint information is the same or not. Discriminator. 2. A fingerprint information output device for reading an input fingerprint and outputting fingerprint information, a registration device for registering fingerprint information of a plurality of fingers, and a designation device for designating each finger,
A fingerprint collating unit that collates the fingerprint information output from the fingerprint information output device with predetermined fingerprint information of the registered fingerprint information to determine a match or a mismatch, and if the fingerprint collating unit determines the mismatch. A personal identification device comprising fingerprint re-collation means for collating fingerprint information of a finger designated by the designating device among the registered fingerprint information to determine whether the fingerprint information matches or does not match. 3. The personal identification device according to claim 1, wherein fingerprint information of the same finger of the left and right hands is registered as a set in the registration device. 4. The registration device registers one set of fingerprint information of the same finger of the left and right hands, and the designation device designates which of the left and right hands to collate. Personal identification device described. 5. The registration device registers a plurality of sets of fingerprint information of the same fingers of the left and right hands, and the designation device designates which of the same finger sets of the left and right hands to collate. The personal identification device according to claim 3. 6. The individual discriminating device according to claim 1, wherein the designated device is an input device accompanied by an artificial operation. 7. The specified device is a ten-key pad for inputting a personal identification number or a personal identification card in which a personal identification number is recorded, and the order of fingers to be collated is set in correspondence with the personal identification number or personal identification number. The personal identification device according to claim 5. 8. A plurality of fingerprint discriminators comprising the fingerprint information output device, the registration device, the designation device, and the fingerprint collating means according to claim 1 are installed, and the fingerprint information registered by each registration device. Is set so that the fingerprint information corresponds to different fingers respectively.