JP2009191510A - Lock control device - Google Patents

Abstract

There is provided a lock control device capable of easily selecting a combination of opening and closing bodies to be unlocked using fingerprint authentication.
A lock control device for controlling a lock device included in each of a plurality of opening / closing bodies provided on a vehicle body, a plurality of lock actuators 11 to 15 for unlocking the lock device, and a fingerprint for acquiring user fingerprint data. Information acquisition means 21 to 23, fingerprint authentication means 30 for collating fingerprint data with registered reference fingerprint data, and actuator control means 30 for causing the lock actuator to perform an unlocking operation according to the authentication result of the fingerprint authentication means. The combination of actuators that perform the unlocking operation is made different according to at least one of the type of finger related to the fingerprint data acquired by the fingerprint information acquisition means and whether or not the fingerprint data is repeatedly acquired.
[Selection] Figure 2

Description

  The present invention relates to a lock control device that controls a lock device provided in an opening / closing body such as a door or a rear gate of a vehicle such as an automobile, and more particularly to a device that performs unlocking using fingerprint authentication.

A vehicle body such as an automobile is provided with a plurality of opening and closing bodies such as a passenger boarding / exiting door and a rear gate for accessing a luggage space. These opening / closing bodies are provided with a lock device for the purpose of theft prevention and the like, and an actuator for performing a lock / unlock operation of the lock device.
Conventionally, it is widely known that a vehicle-side unit receives a signal such as radio waves or infrared rays transmitted from a portable device carried by a user and unlocks the door lock device when a predetermined collation is established.

In recent years, in order to further improve the anti-theft property, it has been proposed to control the door lock device using a biometric authentication technique that performs authentication using biometric information.
For example, conventionally, an image pickup means for picking up an operator's palm is provided in a vehicle so that the door is automatically opened when the picked-up palm and the pre-registered palm are recognized as the same. It is known (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 11-43018

In the door lock device using biometric authentication, when all the doors are unlocked when authentication is performed, for example, when the user gets in from the driver's seat door in a poor security environment, From the viewpoint of security, it is desirable that only specific doors can be selectively unlocked (select unlocked).
On the other hand, from the viewpoint of the convenience of the vehicle, it is required that a plurality or all of the doors can be unlocked at the same time when an authorized user intends.
The subject of this invention is providing the lock control apparatus which can select easily the combination of the opening-closing body unlocked using fingerprint authentication.

The present invention solves the above-described problems by the following means.
The invention of claim 1 is a lock control device for controlling a locking device provided in each of a plurality of opening / closing bodies provided in a vehicle body of a vehicle, wherein the plurality of opening / closing bodies are provided in each of the plurality of opening / closing bodies and unlock the locking devices. Lock actuator, fingerprint information acquisition means provided outside the vehicle body for acquiring fingerprint data relating to a user's fingerprint, and fingerprint authentication means for comparing the fingerprint data acquired by the fingerprint information acquisition means with registered reference fingerprint data And an actuator control means for causing the lock actuator to perform an unlocking operation according to the collation result of the fingerprint authentication means, wherein the actuator control means is configured to detect a finger related to the fingerprint data acquired by the fingerprint information acquisition means. At least one of the type and the presence or absence of repeated acquisition of the fingerprint data by the fingerprint information acquisition means; Depending on a lock control device, characterized in that the unlocking operation of the plurality of said locking actuator to vary the combination of what takes place.
In the present invention, the “opening / closing body” is typically a door for passengers getting on and off, a rear gate for accessing the luggage space, a trunk lid, and the like.
In the present specification and claims, the “finger type” indicates the first to fifth fingers (thumb to little finger) of the left and right upper limbs of the operator.

  According to a second aspect of the present invention, the fingerprint information acquisition unit is provided in at least two of the plurality of opening / closing bodies, and the actuator control unit acquires the fingerprint data authenticated by the fingerprint authentication unit. The lock control device according to claim 1, wherein a combination of a plurality of the lock actuators to be unlocked is changed according to a position of the fingerprint information acquisition unit.

According to the present invention, the following effects can be obtained.
(1) By changing the combination of the plurality of lock actuators that perform the unlocking operation according to at least one of the type of finger related to the collated fingerprint data and the presence or absence of repeated acquisition of fingerprint data, It is possible to easily select a combination of opening / closing bodies that the user unlocks.
For example, when authenticating with the index finger, only the driver's seat door is unlocked, when authenticating with the middle finger, the driver's seat door and the passenger's seat door are unlocked, and when authenticating with the ring finger, all including the rear door and rear gate The opening / closing body can be unlocked.
Also, for example, when authentication is performed once with the index finger, only the driver's seat door is unlocked, and when authentication is repeated twice, only the driver's seat door and the passenger's seat door are unlocked and repeated three times. In the case of authentication, all the opening / closing bodies including the rear door and the rear gate can be unlocked.
The combination of the authentication method and the unlocked opening / closing body can be changed as appropriate.
(2) The fingerprint information acquisition means is provided in at least two of the plurality of opening / closing bodies, and the combination of the lock actuators that perform the unlocking operation varies depending on the position of the fingerprint information acquisition means that acquired the fingerprint data. By this, the combination according to the user's needs using each opening-and-closing body can be set. For example, when fingerprint information acquisition means is provided on the passenger seat door, only the driver seat door is unlocked if the driver side authenticates even if the same method is used, and the passenger seat if the driver seat side authenticates. Only the door can be unlocked, and convenience is improved.

  An object of the present invention is to provide a lock control device that can easily select a combination of opening and closing bodies to be unlocked using fingerprint authentication, and performs an unlocking operation according to the type of finger used for fingerprint authentication or the presence or absence of repeated authentication. It was solved by changing the combination of lock actuators.

Hereinafter, a lock control device according to a first embodiment to which the present invention is applied will be described.
The lock control device according to the first embodiment is provided, for example, in an automobile such as a passenger car. This automobile has, for example, a driver's seat door and a passenger's seat door provided on the left and right sides of the vehicle body, and left and right rear doors provided on the rear sides thereof as occupant exit / exit doors. The automobile also has a rear gate for accessing a luggage space provided at the rear of the vehicle body.

FIG. 1 is a block diagram illustrating the configuration of the lock control device according to the first embodiment.
The lock control device includes a driver door, a passenger door, a left rear door, a right rear door, and a driver door actuator 11, a passenger door actuator 12, a left rear door actuator 13, and a right rear door actuator 14 provided on a rear gate, not shown. And a rear gate actuator 15.
Each actuator is an electric actuator such as a solenoid that performs a locking (locking) operation and an unlocking (unlocking) operation of a corresponding locking device.

Further, the lock control device includes a driver's seat fingerprint reader 21, a passenger's seat fingerprint reader 22, and a rear gate fingerprint reader 23. Each of these fingerprint readers is provided outside the vehicle body and functions as fingerprint information acquisition means for acquiring fingerprint data relating to the user's fingerprint.
Each fingerprint reader is provided at or near the corresponding door or rear gate, and can be accessed from outside the vehicle to perform a fingerprint acquisition operation.
Each fingerprint reader reads a fingerprint, which is a shallow groove pattern formed on the skin of the user's finger, using, for example, an electrostatic sensor, converts the fingerprint into fingerprint data, and outputs the fingerprint data.

Further, the lock control device has a fingerprint authentication unit 30.
The fingerprint authentication unit 30 functions as a fingerprint authentication unit that performs authentication by comparing the fingerprint data acquired by the fingerprint information acquisition unit with reference fingerprint data registered in advance, and unlocks each actuator according to the verification result. It also functions as an actuator control means for performing the above.
The fingerprint authentication unit 30 is pre-registered with reference fingerprint data A, B, and C (for example, data relating to the index finger, middle finger, and ring finger of the dominant hand) of a plurality of fingers of a legitimate user, and the fingerprints acquired by each fingerprint reader Authentication is performed when identification is established by comparing the data with reference fingerprint data A, B, and C.
The fingerprint authentication unit 30 has a function of varying the combination of actuators that perform the unlocking operation according to the type of reference fingerprint data that has been authenticated and the type of fingerprint reader that has acquired the fingerprint data. This point will be described in detail below.

FIG. 2 is a flowchart illustrating the operation of the lock control device according to the first embodiment. Hereinafter, the steps will be described step by step.
<Step S01: Determination of Fingerprint Verification>
The fingerprint collation unit 30 determines whether or not the fingerprint collation operation has been performed on the fingerprint readers 21 to 23 and fingerprint data has been acquired. If the collation operation has been performed, the process proceeds to step S02. Step S01 is repeated to wait.

<Step S02: Judgment result judgment>
The fingerprint collation unit 30 compares the fingerprint data acquired in step S01 with the reference fingerprint data A to C, and if identification with any one of the reference fingerprint data is established, the collation is OK, and the process proceeds to step S03. . On the other hand, if the acquired fingerprint data is not identified as any reference fingerprint data, the process returns to step S01 and the subsequent processing is repeated.

<Step S03: Fingerprint Reader Position Determination>
The fingerprint verification unit 30 proceeds to step S04 if the fingerprint reader from which fingerprint data was acquired in step S01 is the driver's seat fingerprint reader 21, and proceeds to step S05 if it is any other fingerprint reader.

<Step S04: Reference Fingerprint Data A Verification Result Determination>
The fingerprint collation unit 30 proceeds to step S11 if the identification of the fingerprint data acquired in step S02 and the reference fingerprint data A (for example, the index finger fingerprint data of a legitimate user) is established, and otherwise proceeds to step S11. Proceed to S06.
<Step S05: Reference Fingerprint Data A Verification Result Determination>
The fingerprint collation unit 30 proceeds to step S12 if the fingerprint data acquired in step S02 and the reference fingerprint data A are identified, and proceeds to step S06 in other cases.

<Step S06: Judgment result of reference fingerprint data B>
The fingerprint verification unit 30 proceeds to step S13 if the fingerprint data acquired in step S02 and the reference fingerprint data B (for example, the middle finger fingerprint data of a legitimate user) have been identified, and otherwise the step Proceed to S07.
<Step S07: Judgment result of reference fingerprint data C collation>
The fingerprint collation unit 30 proceeds to step S14 if the identification between the fingerprint data acquired in step S02 and the reference fingerprint data C (for example, the normal user's ring finger fingerprint data) is established, and in other cases once. End (return) processing.

<Step S11: Only the driver's seat door is unlocked>
The fingerprint verification unit 30 unlocks only the driver's door actuator 11 to unlock the driver's door locking device, and keeps the other doors and the rear gate's locking device locked to perform processing. finish.
<Step S12: Only the passenger door is unlocked>
The fingerprint verification unit 30 unlocks only the passenger door actuator 12 to unlock the passenger door lock device, and keeps the other doors and the rear gate lock device locked. finish.

<Step S13: Unlocking Driver's Seat and Passenger Seat>
The fingerprint verification unit 30 unlocks the lock device for the driver seat door and the passenger seat door by causing the driver seat door actuator 11 and the passenger seat door actuator 12 to unlock, and the right and left rear door and rear gate lock devices are locked. The process is terminated.
<Step S14: Unlock all doors>
The fingerprint verification unit 30 unlocks all the door and rear gate lock devices by unlocking all of the driver door actuator 11, the passenger door actuator 12, the left rear door actuator 13, the right rear door actuator 14, and the rear gate actuator 15. To finish the process.

According to the first embodiment described above, the user unlocks by changing the combination of the plurality of lock actuators to be unlocked according to the type of the finger related to the fingerprint data acquired by the fingerprint reader. It is possible to easily select a combination of opening / closing bodies to be operated. Thereby, the anti-theft property and convenience of the vehicle can be improved.
In addition, even when authentication is performed with the same finger, convenience is further improved by changing the unlocked door according to the position of the fingerprint reader that performed the authentication operation (acquisition of fingerprint data). Can do.
Furthermore, since the select unlock can be performed by a single authentication operation, it is difficult to determine which door or rear gate is unlocked when viewed from other than the user, so that the anti-theft property can be improved.

Next, a second embodiment of the lock control device to which the present invention is applied will be described.
Portions that are substantially the same as those of the first embodiment described above are denoted by the same reference numerals, description thereof is omitted, and differences are mainly described.
In the lock control device of the second embodiment, one reference fingerprint data of a legitimate user is registered in the fingerprint authentication unit 30, and collation is performed only once or within a predetermined time (for example, 1 second). The combination of the actuators that perform the unlocking operation is varied depending on whether the operation is performed twice.

FIG. 3 is a flowchart illustrating the operation of the lock control device according to the second embodiment. Hereinafter, the steps will be described step by step.
<Step S21: Determination of Fingerprint Verification>
The fingerprint collation unit 30 determines whether or not the fingerprint collation operation has been performed on the fingerprint readers 21 to 23 and fingerprint data has been acquired. If the collation operation has been performed, the process proceeds to step S22. Step S21 is repeated to wait.

<Step S22: Check result of collation>
The fingerprint collation unit 30 compares the fingerprint data acquired in step S21 with the reference fingerprint data. If the identification is established, the fingerprint collation unit 30 determines collation and proceeds to step S23. On the other hand, if the acquired fingerprint data is not identified as the reference fingerprint data, the process returns to step S21 and the subsequent processing is repeated.

<Step S23: Fingerprint Reader Position Determination>
The fingerprint verification unit 30 proceeds to step S24 if the fingerprint reader from which the fingerprint data was acquired in step S21 is the driver's seat fingerprint reader 21, and proceeds to step S25 if it is any other fingerprint reader.
<Step S24: Check again whether there is collation>
The fingerprint collation unit 30 proceeds to step S31 when fingerprint data is obtained again from the driver's seat fingerprint reader 21 within a predetermined time (for example, 1 second) after collation is established in step S22, and collation is established. In other cases, the process proceeds to step S33.
<Step S25: Reconfirmation presence / absence determination>
The fingerprint collation unit 30 proceeds to step S32 when fingerprint data is obtained again from the front passenger fingerprint reader 22 within a predetermined time (for example, 1 second) after the collation is established in step S22, and collation is established. In other cases, the process proceeds to step S33.

<Step S31: Only the driver's seat door is unlocked>
The fingerprint verification unit 30 unlocks only the driver's door actuator 11 to unlock the driver's door locking device, and keeps the other doors and the rear gate's locking device locked to perform processing. finish.
<Step S32: Only the passenger door is unlocked>
The fingerprint verification unit 30 unlocks only the passenger door actuator 12 to unlock the passenger door lock device, and keeps the other doors and the rear gate lock device locked. finish.
<Step S33: Unlock all doors>
The fingerprint verification unit 30 unlocks all the door and rear gate lock devices by unlocking all of the driver door actuator 11, the passenger door actuator 12, the left rear door actuator 13, the right rear door actuator 14, and the rear gate actuator 15. To finish the process.

  According to the second embodiment described above, in addition to the same effects as those of the first embodiment described above, by changing the combination of actuators that perform unlock operation according to the repeated acquisition of fingerprint data and the presence or absence of authentication, Since the number of reference fingerprint data registered in advance can be reduced, the memory capacity of the apparatus can be saved.

(Modification)
The present invention is not limited to the embodiments described above, and various modifications and changes are possible, and these are also within the technical scope of the present invention.
(1) In each embodiment, the opening / closing body provided on the vehicle body is, for example, a driver's seat door, a passenger seat door, left and right rear doors, and a rear gate, but the present invention is not limited to this, for example, a vehicle without a rear door or a rear gate It can be applied to a vehicle having a trunk lid instead of the rear gate. Further, the combination of the opening / closing bodies to be unlocked is not limited to the above-described embodiments. For example, a combination of unlocking the front and rear doors on the sidewalk side or the roadway side or unlocking only the rear gate may be set.
(2) In the first embodiment, the combination of actuators that perform the unlocking operation is different depending on the type of finger to be authenticated, and in the second embodiment, depending on the presence or absence of repeated authentication. Good. For example, the actuator may be operated in a specific combination when authentication of a plurality of types of fingerprint data is established in a predetermined order. For example, when authentication is established in the order of reference fingerprint data A-B, the driver's seat door is unlocked, and when authentication is established in the order of reference fingerprint data B-A, all doors are unlocked. May be.
(3) In the second embodiment, the combination of the actuators that perform the unlocking operation is varied depending on whether the fingerprint collation is performed once or twice, but the present invention is not limited to this. For example, when authentication is established by repeating three or more times, the combination of actuators may be varied according to the number of times.
(4) The lock control device of the present invention can be configured so that reference fingerprint data of a plurality of authorized users can be registered in advance.

It is a block diagram which shows the structure of Example 1 of the lock control apparatus to which this invention is applied. It is a flowchart which shows operation | movement of the lock control apparatus of FIG. It is a flowchart which shows operation | movement of Example 2 of the lock control apparatus to which this invention is applied.

Explanation of symbols

11 Driver Door Actuator 12 Passenger Seat Door Actuator 13 Left Rear Door Actuator 14 Right Rear Door Actuator 15 Rear Gate Actuator 21 Driver Seat Fingerprint Reader 22 Passenger Seat Fingerprint Reader 23 Rear Gate Fingerprint Reader 30 Fingerprint Verification Unit

Claims (2)

A lock control device that controls a lock device included in each of a plurality of opening / closing bodies provided in a vehicle body,
A plurality of lock actuators provided on each of the plurality of opening and closing bodies to unlock the locking device;
Fingerprint information acquisition means provided outside the vehicle body for acquiring fingerprint data relating to a user's fingerprint;
Fingerprint authentication means for collating the fingerprint data acquired by the fingerprint information acquisition means with registered reference fingerprint data;
Actuator control means for causing the lock actuator to perform an unlocking operation according to an authentication result of the fingerprint authentication means,
The actuator control means includes a plurality of the locks according to at least one of a finger type related to the fingerprint data acquired by the fingerprint information acquisition means and whether or not the fingerprint information acquisition means repeatedly acquires the fingerprint data. A lock control device characterized in that a combination of actuators that perform unlocking operation is made different. The fingerprint information acquisition means is provided in at least two of the plurality of opening / closing bodies,
The actuator control means varies a combination of a plurality of the lock actuators to be unlocked according to the position of the fingerprint information acquisition means that has acquired the fingerprint data authenticated by the fingerprint authentication means. The lock control device according to claim 1.

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