JPH02284269A - Individual confirming device - Google Patents

Abstract

PURPOSE:To reduce the probability of erroneous discrimination by collating second personal feature data with corresponding individual feature detection data when first individual feature data and corresponding individual feature detection data do not coincide with each other. CONSTITUTION:First individual feature data read out from a recording medium like a card by a card data read block 30 and corresponding individual feature detection data detected by a fingerprint detecting block 32 are collated with each other, and a second individual feature data is read out from the recording medium during this collation. If the collation results in disaccord between first individual feature data and corresponding individual feature detection data, second individual feature data and corresponding individual feature detection data are collated with each other. Thus, the probability is reduced that identification is not decided though the individual related to fingerprint data recorded on the recording medium is the holder of the recording medium.

Description

[Detailed description of the invention] The present invention will be explained in the following order.

A Summary of the invention in the field of industrial application Means for solving the problem to be solved by the conventional technical invention Embodiment G-1 Structure and operation of the embodiment (Figures 1 to 5) G-2 Operation of the control unit (Fig. 6) G-3 Modification H Effect of the invention A Industrial field of application The present invention provides detection obtained by detecting personal characteristic data recorded in advance on a recording medium and actual personal characteristics. The present invention relates to a personal identification device that identifies individuals by checking data.

B. Summary of the Invention The present invention provides a personal identification device that identifies an individual by comparing personal characteristic data recorded in advance on a recording medium with detected data obtained by detecting actual personal characteristics. first personal characteristic data read from a card-shaped recording medium on which personal characteristic data of
The personal characteristics of the holder of the card-like recording medium are compared with the personal characteristic detection data corresponding to the first personal characteristic data obtained by detection, and the card-like recording medium is used during the period during which the comparison is performed. The second personal characteristic data is read out from the
If the personal feature data of the person and the personal feature detection data corresponding to the first personal feature data do not match, then the second personal feature data and the personal feature of the holder are detected and obtained. The second personal characteristic data is compared with the corresponding personal characteristic detection data, and a personal confirmation output is obtained based on the result of the comparison, so that the second personal characteristic data is recorded on the card-like recording medium. 6!Whether the individual related to the personal characteristic data and the holder of the card-shaped recording medium are the same or not. Significantly reduces the probability of a situation in which the individual whose personal characteristic data recorded on the card-like recording medium and the holder of the card-like recording medium are not identified as the same person, even though they are the same person. In the place where I am forced to
This can be done in a relatively short period of time.

C. Conventional technology As a system for managing the attendance of individuals to a specific location,
A database is prepared in which personal characteristic data, such as fingerprint data, of each person who is permitted to go to a specific place is registered in advance. The fingerprint detection data obtained by detecting the fingerprints of the individuals who wish to go to a specific location is checked against the database, and the individual who intends to go to a specific location becomes a person who is permitted to go to that specific location. There are no known out-of-person identification systems that are designed to determine whether a person is present or not. Although such management systems are said to be excellent in terms of security capabilities, on the other hand, the fingerprint data of many people is centrally managed to create a database, which can cause major damage to the system. It is difficult to reduce the introduction cost, and furthermore, there are problems such as increased operational costs.

In connection with such matters, as a method that can be applied to a system that manages the attendance of individuals to a specific place without centrally managing the fingerprint data of a large number of people, it is possible to store fingerprint data on an IC card. It has been proposed that the holder of an IC card can be confirmed by comparing the fingerprint data read from the IC card with the fingerprint detection data obtained by detecting the fingerprint of the tC card holder (for example, , 1986 IEICE Autumn National Conference Lecture Proceedings ``Fingerprint Verification Method for Confirming RFC Card Ownership'').

D Problems to be solved by the invention However, as mentioned above, IC
When the use of a card is considered, due to the relatively small storage capacity of an IC card, it is necessary to use the There is a risk that restrictions will be imposed on the verification algorithm used in the IC card.Furthermore, an IC card can only store fingerprint data for one finger. In cases such as when a person injures the finger that provided the fingerprint data, the fingerprint data stored on the IC card will not be determined to be the same person even though the individual and the IC card holder are the same person. This has the disadvantage that a serious situation may occur.

In view of this, the present invention provides a method for verifying an individual by comparing personal characteristic data recorded in advance on a card-shaped recording medium with personal characteristic detection data obtained by detecting actual personal characteristics. , it is possible to read multiple categories of personal characteristic data from a card-like recording medium, and to check whether the individual related to the personal characteristic data recorded on the card-like recording medium is the same as the holder of the cart-like recording medium. Even though the individual whose personal characteristic data recorded on the card-like recording medium is the same person as the holder of the card-like recording medium, the probability of placing an order in a situation where it is not determined that they are the same person is greatly reduced. The purpose of the present invention is to provide a personal verification device that can perform personal verification in a relatively short time.

E. Means for Solving the Problems In order to achieve the above-mentioned object, the personal identification device according to the present invention includes a card data reading unit that individually reads out multiple categories of personal characteristic data recorded on a card-shaped recording medium. and personal characteristic detection data representing the detected personal characteristics of the holder of the card-like recording medium by sequentially detecting a plurality of personal characteristics corresponding to the plurality of categories of personal characteristic data recorded on the card-like recording medium. a personal feature detection section that performs an operation to obtain the information, a data matching section that matches the personal feature data read out by the card data reading section with personal feature detection data obtained from the personal feature detection section, and a card data reading section 9. a control unit for a personal characteristic detection unit and a data matching unit, the control unit, in the data matching unit, receiving first personal characteristic data read by the card data reading unit and obtained from the personal feature detection unit; The first personal feature data is matched with the corresponding personal feature detection data, and the second personal feature data is read out from the card-like recording medium during the period during which the match is performed. As a result, if the first personal characteristic data and the personal characteristic detection data corresponding to the first personal characteristic data do not match, the data matching section compares the second personal characteristic data with the personal characteristic detection data obtained from the personal characteristic detection section. The personal feature detection data corresponding to the second personal feature data are compared with the personal feature detection data corresponding to the second personal feature data, and a personal confirmation output is obtained based on the result of the match in the data matching section.

F Effect In the personal identification device according to the present invention configured as described above, personal characteristic data of plural categories can be individually read out from the card-shaped recording medium, and the personal characteristic data read out from the card-shaped recording medium The first personal characteristic data is compared with the corresponding personal characteristic detection data obtained from the personal characteristic detection section, and during the period during which the first personal characteristic data is compared, the first personal characteristic data is collected from the card-like recording medium. The second personal characteristic data subsequent to the first personal characteristic data is read out, and if the first personal characteristic data and the personal characteristic detection data corresponding to the first personal characteristic data do not match as a result of the verification, then, The second personal feature data is compared with the corresponding personal feature detection data obtained from the personal feature detection section. A personal verification output is then formed based on the results of such data verification. Therefore -1 For example, when the personal characteristic data is fingerprint data, the fingerprint data of multiple fingers are individually read out from the card-shaped recording medium, and each of the fingerprint data of the holder of the card-shaped recording medium is individually read out from the card-shaped recording medium. Fingerprints can be sequentially detected and compared with the fingerprint detection data obtained.
Moreover, by reading out the next fingerprint data from the card-like recording medium during the verification period, the time required for verification can be shortened. Even if the holder injures one of the multiple fingers that provided fingerprint data, the fingerprint detection data obtained by detecting the fingerprints of the other fingers may be the same as the fingerprint data read from the card-shaped recording medium. Even though the individual whose fingerprint data is recorded on the card-like recording medium and the holder of the card-like recording medium are the same person, it is not determined that they are the same person. The probability of this happening will be significantly reduced.

G Example G-1 Configuration and operation of the example (Figs. 1 to 5) Fig. 2 shows the appearance of an example of the personal identification device according to the present invention, and this example uses an optical system as a card-like recording medium. Cards are used, and fingerprints are used as personal characteristics.

In the example shown in FIG. 2, a main case 10 is provided, and a card insertion slot 12 for an optical card l is provided on the side surface of the main case 10.
A key manpower section 14 is provided on the top surface of the
A display section 16 is provided. Further, an auxiliary case 20 is attached to the side surface of the main case 10, and the placement section 18 is provided on the top surface. A finger indicator 19 is also provided on the upper surface of the auxiliary case 20 to indicate which finger is to be placed and to indicate that a finger is required to be placed on the placement portion 18. There is.

The optical card 1 is formed into a rectangular shape,
For example, as shown in FIG. 3, the information recording section 3 has a large number of linear recording tracks each extending in the X direction indicated by arrow X and parallel to the X direction indicated by arrow Y. It is assumed that it is arranged and formed. These recording tracks form three recording track groups 5a, 5b, and 5C, and these recording track groups 5a, 5b, and 5C are the five fingers of the owner of the optical card, respectively. Fingerprint data representing three of the fingerprints is said to have been recorded.

The auxiliary case 20 has a built-in fingerprint detection block that detects the fingerprint of a finger placed on the placement section 18 and forms fingerprint detection data, and the main case 10 also has a card insertion slot. A card data successive block in which the optical card 1 inserted from 12 is mounted and the fingerprint data recorded in each of the recording track groups 5a, 5b, and 5C on the optical card 1 is read out.

A data matching block and a fingerprint detection block that match the fingerprint data read from the card data successive block with the fingerprint detection data obtained from the fingerprint detection block built into the auxiliary case 20.

A control unit and the like that control the card data successive block, data verification block, etc. are built-in.

An example of the internal configuration of the main housing 10 and the auxiliary housing 20 is as shown in FIG.

In the example shown in FIG. 1, the card data successive block 30. A fingerprint detection block 32 and a data verification block 34 are each connected to a control unit 36. And, card data continues block 3
Random access memory (RAM) 38 for checking 0
is connected to the fingerprint detection block 32, and a verification RA is connected to the fingerprint detection block 32.
M40 is connected, and each of the verification RAM 38 and the verification RAM 40 is connected to the data verification block 34. Furthermore, the control unit 36 is also connected to the key power section 14 and the display section 16 .

The card data successive block 30 is configured, for example, as shown in FIG. A card sensor 51 is arranged in relation to the support section 50, and the card sensor 51 is connected to the optical card 1.
is mounted on the card support section 50, it is detected and a card detection output signal Sc is sent to the control unit 36.

Further, an optical head 52 is provided which faces the optical card l attached to the card support section 50, and the optical head 52 emits a light beam such as a laser beam to the optical card l attached to the optical card 1. The recording track group 5a is made incident on the recording track group 5a, 5b, or 5c, and the reflected light beam from the optical card 1 is received and detected by a photodetector.

A data detection signal 1c is generated according to the fingerprint data recorded on 5b or 5c. At this time, the optical card 1 is moved in the X direction by the card drive section 53, and the optical head 52 is intermittently fed in the Y direction by the head drive section 54, so that the optical card 1 is attached to the optical card 1 from the optical head 52. It is assumed that the light beam incident on the recording track group 5a, 5b or 5c scans each recording track forming the recording track group 5a, 5b or 5c.

The data detection signal IC obtained from the optical head 52 is supplied to the signal processing unit 55, and the signal processing unit 55 performs amplification, binarization processing, error correction processing, etc. on the data detection signal 1c, and then converts the data detection signal 1c into an optical card. Reproduced fingerprint data Dc, which is the fingerprint data read from 1, is obtained. Then, the reproduced fingerprint data Dc obtained in the signal processing section 55 is
Stored in M56.

The card data successive block 3o is equipped with an operation control unit 57 for each section as described above, and the operation control unit 57 supplies drive control signals SDC and SDh to the card drive section 53 and head drive section 54, respectively. It controls the operations of the card drive section 53 and the head drive section 54, and also supplies the control signal SCs to the signal processing section 55 to control the operation of the signal processing section 55. Further, when the reproduced fingerprint data Dc obtained in the signal processing section 55 is stored in the RAM 56, the operation control unit 57
A write signal SCw is supplied to the RAM 56, and thereafter, when the reproduced fingerprint data Dc is read from the RAM 56, a read signal SCr is supplied to the RAM 56.

Further, the operation control unit 57 causes the reproduced fingerprint data Dc obtained based on the data detection signal 1c corresponding to the fingerprint data recorded on the recording track group 5a, 5b, or 5c provided on the optical card 1 to be stored in the RAM 56. When stored, a data read completion signal STn is sent to the control unit 36, and a continuation signal Src is sent to the verification RAM 38.

The operation control unit 57 includes a control unit 36
, data read command signals C7 and C, .

A data transfer command signal CRc is also supplied.

On the other hand, the fingerprint detection block 32 is configured, for example, as shown in FIG.
prism 60 with which the fingerprint portion of the finger placed R is brought into contact. A light source 62 causes a light beam to be incident on the surface of the prism 60 that is brought into contact with the fingerprint portion of the finger through the lens 61, and reflected light from the surface of the prism 60 that is brought into contact with the fingerprint portion of the finger is made incident through the lens 63. For example, the image sensor 64 is formed of a charge-coupled device (CCD). Further, a finger sensor 65 is provided in association with the prism 60, and when a finger placed on the index register 18 brings its fingerprint part into contact with the prism 60, the finger sensor 65 detects a is detected, and a finger detection output signal Sn is sent to the control unit 36.

The light source 62 forming the fingerprint detection optical system is connected to the light source drive unit 6
The image sensor 64 is supplied with a drive signal Sp from the image sensor drive unit 67 and is operated. Then, the image sensor 64 captures an image of the fingerprint of the finger brought into contact with the prism 60, and the image sensor 64 sends out an imaging output signal If corresponding to the fingerprint.

The imaging output signal If obtained from the image sensor 64 is supplied to the signal processing section 68, and the signal processing section 68 performs amplification, binarization processing, error correction processing, etc. on the imaging output signal If, and performs fingerprint detection. Obtain data Df. Then, the fingerprint detection data Df obtained in the signal processing section 68
is stored in the RAM 69.

The fingerprint detection block 32 is equipped with an operation control unit 70 for each section as described above, and the operation control unit 1-70 sends drive control signals SDf and SDi to the light source drive section 66 and image sensor drive section 67, respectively. A control signal SFs is supplied to the signal processing section 68 to control the operations of the light source driving section 66 and the image sensor driving section 67.
is supplied to control the operation of the signal processing section 68. Also,
The operation control unit 70 supplies a write signal SFw to the RAM 69 when the fingerprint detection data Df obtained by the signal processing section 68 is stored in the RAM 69, and thereafter, when the fingerprint detection data Df is read from the RAM 69, , supplies a read signal SFr to the RAM 69.

Further, the operation control unit 70 controls the fingerprint detection data Dr.
is stored in the RAM 69, the fingerprint detection completion signal ST
d to the control unit 36, a successive signal Srf to the verification RAM 40, and a drive signal Sj to the finger indicator 19.

The operation control unit 70 includes a control unit 36
, a finger placement request signal Rn, a fingerprint detection command signal Cf, and a data transfer command signal CRf are supplied.

Under such circumstances, the optical card 1 is inserted into the main body 10 from the card insertion slot I2 provided in the main case 10, is attached to the card support part 50 in the card data successive block 30, and the key When the human power unit 14 is operated, the card detection output signal Sc is supplied from the card sensor 51 to the control unit 36, and the key human power unit 14 supplies the card detection output signal Sc to the control unit 36.
For example, command data Dk specifying the first finger is supplied to the control unit 36. In response to the supply of the card detection output signal Sc, the control unit 36 sends a data read command signal Cn to the operation control unit 57 of the card data successive block 30 to read the optical card to the card data successive block 30 based on the designation by the command data Dk. 1, the finger device request signal Rn is supplied to the operation control unit 70 of the fingerprint detection block 32 to read the fingerprint data for the first finger from the recording track group 5a.
supply. As a result, card data continues to flow block 3
0 starts an operation of reading fingerprint data regarding the first finger from the recording track group 5a on the optical card l;
Further, the operation control unit 70 of the fingerprint detection block 32 supplies the drive signal Si to the finger indicator 19 in a predetermined manner, and causes the finger indicator 19 to input the first finger to the index mark 18 provided on the auxiliary case 20. to indicate that it is in a state where it should be placed.

Thereafter, when the first finger is placed on the index holder 18 , a finger detection output signal Sn is supplied from the finger sensor 65 in the fingerprint detection block 32 to the control unit 36 . In response to the supply of the finger detection output signal Sn, the control unit 36 controls the operation of the fingerprint detection block 32 to detect the fingerprint of the first finger placed on the placement section 18. A fingerprint detection command signal Cf is supplied to 70. Thereby, the fingerprint detection block 32 starts the operation of detecting the fingerprint of the first finger placed on the index placement section 18. Note that after the finger indicator 19 starts displaying that the first finger should be placed on the index placement section 18,
Even after a preset period of time, e.g. 30 seconds,
If no finger is placed, the operation of the device is interrupted and the optical card I is ejected from the main case 10 through the card insertion slot 12.

Then, in the card data successive block 30, the fingerprint data for the first finger is read from the recording track group 5a on the optical card l, and the reproduced fingerprint data Dc obtained from the signal processing section 55 is stored in the RAM 56 for operation. When data is written in accordance with the write signal SCw sent from the control unit 57, a data read completion signal STn is supplied from the operation control unit 57 to the control unit 36. Control unit 36 supplied with data read completion signal STn
supplies the data transfer command signal CRc to the operation control unit 57 in the card data successive block 30, and further supplies the data read command signal Cn□ to the card data successive block 30 for the recording track group 5b in the optical card 1
The second finger is supplied as a device for reading out fingerprint data regarding the second finger. Thereby, the operation control unit 57 supplies the read signal SCr to the RAM 56 and the read signal Src to the collation RAM 38,
The reproduced fingerprint data Dc is read from the RAM 56 and written into the verification RAM 38, and the reproduced fingerprint data Dc is transferred from the RAM 56 to the verification RAM 38. Furthermore, subsequent to that, the card data successive block 30 includes the recording track group 5 on the optical card 1.
The operation of reading fingerprint data regarding the second finger from b is started.

Further, the fingerprint detection block 32 detects the fingerprint of the first finger placed on the index register 18, and the fingerprint detection data Dr obtained from the signal processing section 6 is stored in the RAM 69 by the operation control unit 70. Write signal SFw sent from
When the fingerprint detection completion signal STd is written in accordance with the operation control unit 70, the fingerprint detection completion signal STd is supplied to the control unit 36. Control unit 3 to which the fingerprint detection completion signal STd is supplied
6 supplies a data transfer command signal CRf to the operation control unit 70 in the fingerprint detection block 32. Thereby, the operation control unit 70 supplies the read signal SFr to the RAM 69 and the read signal Srf to the verification RAM 40, and the fingerprint detection data Df is read from the RAM 69 and written to the verification RAM 40. In this way, the fingerprint detection data Dr is transferred from the RAM 69 to the verification RAM 40.

Subsequently, the control unit 36 controls the data matching block 34
A data verification command signal Cs is supplied to the data verification command signal Cs.

The data matching block 34 to which the data matching command signal Cs has been supplied supplies the reading signal Swc to the matching RAM 38 to read out the reproduced fingerprint data Dc from the matching RAM 38, and also supplies the reading signal Swf to the matching RAM 40. , the fingerprint detection data Df is read from the verification RAM 40, and the reproduced fingerprint data Dc for the first finger from the verification RAM 3B is compared with the fingerprint detection data Df for the first finger from the verification RAM 40. Then, when the verification is completed and the verification result is that the reproduced fingerprint data Dc and the fingerprint detection data Df match, the data verification block 34 outputs a verification completion signal St and a matching signal Sa.
is supplied to the control unit 36, and when the verification is completed, the verification results are reproduced fingerprint data Dc and fingerprint detection data Dr.
If they do not match, only the verification completion signal St is supplied to the control unit 36.

As a result, when both the verification completion signal St and the coincidence signal Sa are supplied from the data verification block 34, the control unit 36 outputs the reproduced fingerprint data Dc read from the recording track group 5a in the optical card 1 and the index Since the fingerprint of the first finger placed on the placement unit 18 matches the fingerprint detection data Df obtained by detecting the fingerprint, the display unit 1
6 is supplied with a signal Sg for displaying a match, and then the operation is ended when a predetermined period of time has elapsed. On the other hand, when only the verification completion signal St is supplied from the data verification block 34, the control unit 36 supplies the finger device request signal Rn to the operation control unit 70 of the fingerprint detection block 32 again.

Thereby, the operation control unit 70 of the fingerprint detection block 32 supplies the drive signal Si to the finger indicator 19 in a predetermined manner, and the finger indicator 19 receives the drive signal Si from the index register 1.
8 to indicate that the second finger is to be placed on it.

Thereafter, when the second finger is placed on the index holder 18, the fingerprint of the second finger is detected in the finger droplet output block 32 and the fingerprint detection data Dr. is formed, and the obtained fingerprint detection data Df is R
stored in AM69, and then stored in RAM4 for verification.
Transferred to 0.

In addition, the reproduced fingerprint data Dc obtained from the signal processing section 55 based on the reading of the fingerprint data regarding the second finger from the recording track group 5b of the optical card 1 in the card data successive block 30 is written into the RAM 56. , when the data read completion signal STn is supplied from the operation control unit 57 to the control unit 36, the control unit 36
A data transfer command signal CRc is supplied to the operation control unit 57 in the card data read block 30, and a data read command signal C7, . This is supplied as a device for reading out fingerprint data regarding finger No. 3. Thereby, the operation control unit 5
7 is the verification RA from the RAM 56 of the reproduced fingerprint data Dc.
At the same time as performing the transfer to M38, the card data successive block 30 starts reading out the fingerprint data regarding the third finger from the recording track group 5C on the optical card 1.

Continuing, the control <n unit 36 is the data collation block 3
4, the data matching command signal Cs is supplied, and based on that, the data matching block 34 reproduces the reproduced fingerprint data Dc regarding the second finger obtained from the matching RAM 3B and the second finger obtained from the matching RAM 40. The fingerprint detection data Df is compared with the fingerprint detection data Df. After the verification is completed, the data verification block 34 outputs the verification result as the reproduced fingerprint data D.
If c and the fingerprint detection data Df match, the verification completion signal St and the matching signal Sa are supplied to the control unit 36, and the verification is completed and the verification result is reproduced fingerprint data Dc. When the fingerprint detection data Df and the fingerprint detection data Df do not match, only the verification completion signal St is sent to the control unit 36.
supply to. Thereby, the control unit 36 receives the verification completion signal St and the match signal Sa from the data verification block 34.
When both are supplied, the display section 16 shows “-
When a signal Sg for displaying `` is supplied, and a predetermined period of time has elapsed, the operation is terminated, and when only the verification completion signal St is supplied from the data verification block 34,
Furthermore, the operation control unit 70 of the fingerprint detection block 32
A finger device request signal Rn is supplied to the finger device request signal Rn. Thereby, the operation control unit 70 of the fingerprint detection block 32 supplies the drive signal Si to the finger indicator 19 in a predetermined manner,
The finger indicator 19 is caused to display that the third finger is to be placed on the index holder 18.

Then, when the third finger is placed on the index holder 18, the data matching block 34 is placed in the same manner as in the case of the second finger described above.
The reproduced fingerprint data Dc for the third finger and the third
A comparison is made with the fingerprint detection data Df for the finger of
When both the verification completion signal St and the match signal Sa are supplied from the data verification block 34, the control unit 36 forms a signal Sg that causes the display unit 16 to display "-losing game" as a personal confirmation output, and displays it as a personal confirmation output. The operation is terminated when a predetermined period of time has elapsed after supplying to the display unit 16, and
When only the verification completion signal St is supplied from the data verification block 34, a signal sh that causes the display section 16 to display "mismatch" is generated as a personal confirmation output, and is supplied to the display section 16 for a predetermined period of time. The operation ends when .

In this way, the first comparison between the fingerprint data read out from the optical card 1 by the card data successive block 30 and the fingerprint detection data obtained from the fingerprint detection block 32 is performed.
If the fingerprint data and the fingerprint detection data do not match as a result of the test on the second finger, then the test is performed on the second finger, and if the fingerprint data and the fingerprint detection data do not match, then This is done for the third finger, and the individual related to the fingerprint data recorded on the optical card l is compared with the holder of the optical card l, thereby confirming the holder of the optical card 1. In this case, during the period in which the fingerprint data regarding the first finger is compared with the fingerprint detection data, the card data successive generation block 30 continuously outputs fingerprint data regarding the second finger from the optical card 1. Furthermore, during the period in which the fingerprint data regarding the second finger is compared with the fingerprint detection data, the card data successive generation block 30 continuously outputs the fingerprint data regarding the third finger from the optical card 1. As a result, when the fingerprint data is repeatedly compared with the fingerprint detection data, the time required is shortened, and the optical card 1
The identity of the holder will be confirmed within a relatively short period of time.

G-2 Operation of control unit (FIG. 6) The control unit 36 is configured using, for example, a microcomputer, and the microcomputer executes the control performed by the control unit 36 as described above. An example of the control program is as shown in the flowchart shown in FIG.

When the above-mentioned microcomputer executes the control program according to the flowchart of FIG. 6, after the start, in step 71, initial settings are performed, and the variable n is set to 1, and the count value of the built-in timer is set. Set T to O. Next, step 72
In step 7, it is determined whether or not the card detection output signal Sc from the card sensor 51 in the card data successive block 30 has arrived.
Repeat the judgment in 2.

If it is determined in step 72 that the card detection output signal Sc has arrived, in step 73 the data read command signal C1 is sent to the card data successive block 30.
is sent to the operation control unit 57 of the card data succession block 30 to read the fingerprint data for the n-th finger from the recording track group 5a on the optical card 1, and further, in step 74, the finger device The request signal Rn is sent to the fingerprint detection block 32 by the upper mounting unit 1.
The operation control unit 70 in the fingerprint detection block 32 requests the placement of the n-th finger in 8.
Send to.

Subsequently, in step 75, the fingerprint detection block 32
It is determined whether or not the hanger output signal Sn from the finger sensor 65 has arrived, and if it has not arrived, it is determined in step 76 whether or not the timer flag Ft is 1. If the timer flag Ft is O, the built-in timer starts operating in step 77, and then the timer flag Ft is set to 1 in step 78, and the process proceeds to step 79.
If the timer flag FL is 1, the process directly advances to step 79. In step 79, the count value T of the timer is set for a predetermined period t. If the counted value T of the timer is less than the value corresponding to the period t0, the process returns to step 75 and the counted value T of the timer is determined to be equal to or greater than the value corresponding to the period L0. When this happens, in step 80, the timer flag Ft is set to 0.
After setting, exit the program.

On the other hand, if it is determined in step 75 that the detection output signal Sn has arrived, in step 81 a fingerprint detection command signal Cf is sent to the operation control unit 70 of the fingerprint detection block 32, and in the next step 82, the fingerprint detection command signal Cf is sent to the operation control unit 70 of the fingerprint detection block 32. Data read completion signal S from data successive block 30
It is determined whether Tn has arrived. If the data reading completion signal STn has not arrived, the determination in step 82 is repeated, and if it is determined that the data reading completion signal STn has arrived, in step 83, the reproduced fingerprint data is stored in the card data successive block 30. Dc
A data transfer command signal CRc is sent to the operation control unit 57 of the card data successive block 30 in order to cause the data to be transferred from the RAM 56 to the verification RAM 38, and further, in step 84, a data read command signal C7゜1 is sent to the operation control unit 57 of the card data successive block 30.
is sent to the operation control unit 57 of the card data successive block 30 to cause the card data successive block 30 to read the fingerprint data for the n+1-th finger from the recording track group 5a on the optical card 1.

In the subsequent step 85, it is determined whether or not the fingerprint detection completion signal STd from the fingerprint detection block 32 has arrived.
If the fingerprint detection completion signal STd has not arrived, the determination in step 85 is repeated, and if it is determined that the fingerprint detection completion signal STd has arrived, in step 86, the fingerprint detection data Dr is sent to the fingerprint detection block 32. A data transfer command signal CRf is sent to the operation control unit 70 of the fingerprint detection block 32 to cause data to be transferred from the RAM 69 to the verification RAM 40, and the process proceeds to step 87.

In step 87, the data matching command signal Cs is sent to the data matching block 34, and then in step 8, it is determined whether the matching completion signal St from the data matching block 34 has arrived, and the matching completion signal St If the matching signal St has not arrived, the determination in step 88 is repeated, and if it is determined that the verification completion signal St has arrived, it is determined in step 89 whether or not the matching signal Sa has arrived from the data verification block 34. to decide.

As a result, when it is determined that the match signal Sa has arrived, in step 90, a signal Sg that causes the display section 16 to display "match" is sent out, and the program is terminated.

On the other hand, when it is determined in step 89 that the coincidence signal Sa has not arrived, it is determined in step 91 whether the variable n is greater than or equal to a preset value α, for example, 3''.As a result, the variable n is less than the value α, the variable n is increased by 1 in step 92, and the process returns to step 74. If the variable n is greater than or equal to the value α, the display unit 16 is The program is terminated by sending out a signal sh that causes the controller to display "mismatch".

G-3 Modification In the above-mentioned example, a fingerprint of a finger is used as a personal feature for personal identification, but the personal identification device according to the present invention is limited to one that uses a fingerprint as a personal feature. Instead of fingerprints, other personal characteristics, such as retinal patterns in the left and right eyes, may be used.

Furthermore, a card-like recording medium such as the optical card 1 used with the personal identification device according to the present invention is one in which the personal characteristics of a plurality of individuals, such as a specific individual and his or her family, are recorded. may be done.

Effects of the Invention H As is clear from the above explanation, the personal identification device according to the present invention can detect personal feature data pre-recorded on a card-like recording medium and personal feature detection data obtained by detecting actual personal features. When verifying an individual by comparing the data with the card-shaped recording medium, the personal characteristic data of multiple categories can be individually read out from the card-shaped recording medium, and the first personal characteristic data read out from the card-shaped recording medium The data is compared with the corresponding personal characteristic detection data, and during the period of the comparison, the second personal characteristic data is read out from the card-shaped recording medium, and as a result of the comparison, the second personal characteristic data is read out from the card-like recording medium. If the personal feature data and the corresponding personal feature detection data do not match, then the second
The personal feature data of the person is compared with the corresponding personal feature detection data, and the individual is verified based on the result of the data comparison. In this way, during the period in which the first personal characteristic data and the corresponding personal characteristic detection data are being compared, the second personal characteristic data is read out from the card-shaped recording medium, and as a result, the matching is repeated. This reduces the time required for personal identification, and allows personal identification to be carried out reliably and in a relatively short period of time. For example, if the personal characteristic data is fingerprint data, even if the holder of the card-shaped recording medium injures one of the fingers that provided the fingerprint data, the fingerprint data of the other fingers may be used. The fingerprint detection data obtained by the detection will be used for comparison with the fingerprint data read from the card-shaped recording medium, and the fingerprint data recorded on the card-shaped recording medium will be used to identify the individual and the card-shaped record. Even though the holder of the medium is the same person,
It is possible to effectively reduce the occurrence of a situation in which it is not determined that the person is the same person.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the overall configuration of an example of a personal identification device according to the present invention, FIG. 2 is a perspective view showing an external appearance of an example of a personal identification device according to the invention, and FIG. 3 is a block diagram showing the overall configuration of an example of a personal identification device according to the invention. A plan view of an example of an optical card used with an example of a personal identification device, FIG. 4 is a block diagram showing an example of the configuration of the card data successive block in the example shown in FIG. 1, and FIG. FIG. 6 is a block diagram showing a configuration example of the fingerprint detection block in the example. FIG. 6 is a flowchart used to explain the control unit in the example shown in FIG. In the figure, ■ is an optical card, 12 is a card insertion slot, 16 is a display section, 18 is an index section, 30 is a card data succession block, 32 is a fingerprint detection block, 34 is a data verification block, 36 is a control unit, 38 and 40 is a verification RAM.

Claims (1)

[Scope of Claims] A card data reading unit that individually reads personal characteristic data of a plurality of categories recorded on a card-shaped recording medium; a personal feature detection section that sequentially detects a plurality of corresponding personal features to obtain personal feature detection data representing the detected personal features; and the personal feature data read by the card data reading section and the above. a data collation unit that collates the personal characteristic detection data obtained from the personal characteristic detection unit; and in the data collation unit, the first personal characteristic data read from the card-shaped recording medium by the card data reading unit; , the personal feature detection data corresponding to the first personal feature data obtained from the personal feature detection section is compared with the personal feature detection data, and the card data reading section performs the above-mentioned data during the period during which the matching is performed. If the second personal characteristic data is read out from the card-shaped recording medium, and as a result of the above verification, the first personal characteristic data and the personal characteristic detection data corresponding to the first personal characteristic data do not match; In this case, the data matching unit compares the second personal characteristic data with personal characteristic detection data corresponding to the second personal characteristic data obtained from the personal characteristic detection unit. A personal verification device comprising: a control unit that obtains a personal verification output based on a result of verification in the data verification unit;