KR101623732B1 - Fingerprint identification device - Google Patents

Abstract

The present invention, in a locking device, relates to a fingerprint recognition device configured to open/close a locking device by touching the fingerprint recognition device through a finger to recognize a fingerprint. More specifically, the fingerprint recognition device can prevent damage to a fingerprint recognition unit, which is formed on a finger insertion unit, as the finger insertion unit is opened/closed through a linker, a finger door, and a housing having the finger insertion unit which comprises the fingerprint recognition unit. The fingerprint recognition device further comprises a recovery unit composed of first to third magnets so as to easily open/close the finger door. Accordingly, attraction is applied to the first magnet and the second magnet, when the finger door is closed, and repulsion is applied to the first magnet and the third magnet, when the finger door is opened. Therefore, the finger door can maintain a closing state through magnetic force.

Description

[0001] FINGERPRINT IDENTIFICATION DEVICE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a fingerprint recognition device in which a finger device is contacted with a finger to open and close a locking device, and more particularly to a fingerprint recognition device in which a finger- The finger insertion unit may be opened or closed to prevent damage to the fingerprint recognition unit formed in the finger insertion unit. The finger unit may further include a restoration unit including first to third magnets for easier opening and closing of the finger door, A finger force is applied to the first and second magnets, and when the finger door is opened, a repulsive force acts on the first and third magnets and the finger door can be kept closed by the magnetic force.

Background of the Invention [0002] Fingerprint recognition apparatuses that release a lock through registered fingerprints are generally used in various fields as technology advances.

The fingerprint recognition device detects the shape of the floor and the bottom of the fingerprint by using the feature that the fingerprint is different for each person and compares the fingerprint with the fingerprint stored in the data. There is no risk of being stolen by another person, Due to the advantages that the mechanism does not require, it is quickly replacing access restrictions using keys or passwords.

However, if there is a foreign substance on the fingerprint recognition unit formed to recognize the fingerprint or if the fingerprint is damaged, a normal fingerprint can not be recognized. Accordingly, when the fingerprint recognition device is not used, .

Such a conventional technique is disclosed in " Fingerprint Recognition System " in Japanese Patent Application Laid-Open No. 10-2004-0095772,

The conventional technique includes a microprocessor in which fingerprint information of a user is input into a memory and stored as reference fingerprint information, a fingerprint recognition unit that generates fingerprint information of an actual user to compare with the reference fingerprint information, An opening and closing unit for comparing the fingerprint information of the reference information to determine whether the fingerprint information is the same and opening and closing the fingerprint information by a signal of the microprocessor according to the result; And a shutter to which a lock function and an unlock function are given by the fingerprint recognition function.

However, in the related art, there is a problem in that a separate power means is required to open and close the shutter, and the power means can not be used when a failure occurs in the power means, and the power means must be separately connected to the power means.

Also, in the prior art, there is a " fingerprint recognition device having a shutter ", registered patent No. 10-0622273,

The conventional technique has a light source for inputting light and a prism for generating a fingerprint image of a user to change the direction of light incident from the light source and recognizing the fingerprint of the user and comparing the fingerprint with the registered fingerprint Wherein the prism is formed on an upper portion of the prism so that the prism can be exposed to the outside, and a casing accommodating the fingerprint sensor module and one end of the prism are in contact with each other, Wherein the housing is opposed to the casing such that it is movable between a closed position for blocking the exposure opening and an open position in which each one side end is spaced apart from the open opening to open the exposure opening, As the bottom surface is contacted and pressed downward, as long as it moves from the closed position to the open position Including a shutter having a opening and closing member is provided a fingerprint recognition device is made.

However, in the conventional technique, the shutter is opened and closed by using an elastic spring. The user is forced to open and close the shutter by the elastic force, and when the shutter is closed, the end portion of the shutter, which is in contact with each other due to the frictional force due to the elastic force, may be damaged.

Further, according to the prior art, there is a registered utility model No. 20-0203947 entitled "

The above-mentioned prior art provides a recess for easily placing a finger with a contact surface inclined in a direction facing each other. When the contact surface is pressed with the finger, the finger moves in a direction away from each other about a predetermined hinge axis, A pair of rotatable arms for contacting the fingerprint recognition sensor, an extension extending in a predetermined direction from the rotatable arm, and an engagement portion provided at an end of each of the extension portions and intermeshing with each other about the hinge axis Wherein the rotary arm is provided with a gear portion capable of rotating and both ends fixed to a respective fixed piece formed near the end of the rotary arm to provide a force for engaging the respective gears, A fingerprint recognition including a tension coil spring that provides a force to move in a direction to approach each other And a device for opening and closing the device.

However, when the tension of the spring is weakened, the arm is not normally operated and there is a fear that the arm abutting against each other is broken when the arm is closed.

In addition, according to the prior art, there is a registered utility model No. 20-0219128 " Slide cover for fingerprint recognition device &

The above-mentioned prior art has a case, a switch installed on one side of the case, a spring provided on the back side of the switch, one end of the switch being in contact with the back surface of the switch, the other end being connected with a return spring, A second link coupled to the first link by a hinge and fixed to be pivotally rotated by a hinge, a stopper protruding to the outside of the case, A slide cover for a fingerprint recognition device having a latching jaw which is hooked to a link and whose one end is formed by a cover connected with a spring.

However, in the prior art, as in the prior art, when the tensile force of the spring is weakened, the lifting and lowering operation of the cover is not smooth and the lifting and lowering operation of the cover is progressed It is inconvenient that a separate switch must be depressed.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in view of the above problems,

A finger opening / closing unit for preventing foreign matter from entering the fingerprint recognition unit as the finger door opens / closes the finger insertion unit through a finger door provided on the linker and the linker in a housing provided with a finger insertion unit having a fingerprint recognition unit, And a restoring unit including first to third magnets in the finger door so that when the finger door is opened and closed by a magnetic force (attraction force and repulsive force), the finger can be restored to the closed state naturally.

The first and second coupling parts are coupled to the housing, the linker, and the finger door, respectively. The first coupling part couples the housing and the linker, the second coupling part couples the linker and the finger door, and the third coupling part couples the finger door and the housing. And a third shaft. When the finger door is pushed, each shaft rotates or slides so that an upper portion of the finger door protrudes from the housing, and the finger input unit is naturally opened.

Further, the linker is provided with a latching portion, and the housing is provided with a support protrusion for supporting the latch portion. When the linker is rotated to keep the finger door in the closed state, the rotation angle of the linker is limited by the support protrusion And the finger door can be positively positioned in the finger insertion section.

In order to achieve the above object, a fingerprint recognition apparatus according to the present invention comprises:

A housing including a first engaging portion provided at an upper portion thereof, a finger insertion portion provided at a center and for inputting a finger, and a fingerprint recognition portion provided at the finger insertion portion;

A linker having one side hinged to the first engagement portion and a second engagement portion formed on the other side;

And a third coupling portion that is coupled to the second coupling portion of the linker and is slidably coupled to a sliding hole formed in the finger insertion portion at a lower portion thereof, the finger door opening / closing the finger insertion portion;

A restoring unit including a first magnet provided on the linker and a second and a third magnet provided on the finger door;

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Wherein the first magnet and the second magnet are attracted to each other when the finger door is closed, and the first magnet and the third magnet have a repulsive force when the finger door opens the finger insertion portion .

As described above, according to the present invention, there is provided a fingerprint recognition apparatus comprising a linker in a housing having a finger insertion unit and a fingerprint recognition unit provided in a finger insertion unit, and a finger door for opening and closing the finger insertion unit is provided in the linker, It is possible to prevent foreign matter from entering the fingerprint recognition unit,

In order to maintain the state in which the finger door closes the finger insertion portion, the restoring unit including the first to third magnets is provided so that the finger door can be closed by the magnetic force (pulling force and chucking force) Semi-permanent, and has a repulsive force weaker than a structure using a conventional spring or other elastic body, so that it can be used comfortably.

Further, in the operation of the finger door, the first to third engaging portions are formed as first to third shafts, respectively, wherein the first and second shafts cause rotational motion, and the third shaft is capable of sliding motion When the lower portion of the finger door is pushed by a finger, the upper portion of the finger door is protruded to the housing and the finger input portion is opened. When the finger is removed, the finger door can be closed again by the gravity and the repulsive force of the first and third magnets It is easy to use and there is no need to construct a separate power source, so that it is possible to use it semi-permanently.

In addition, since the shaft is a circular shaft, even if one portion is interrupted, rotation can be performed instead of the other portion, and the structure is simple in structure and inexpensive.

1 is a perspective view of a fingerprint recognition apparatus according to the present invention;
FIG. 2 is a diagram showing an open state of a finger door of a fingerprint recognition device according to the present invention
3 is a sectional view of the finger door and the linker of the fingerprint recognition device according to the present invention
4 is a block diagram of a restoration unit of the fingerprint recognition device according to the present invention
FIG. 5 is a view showing the state of use of the fingerprint recognition apparatus according to the present invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

While the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In the drawings, the same reference numerals are used for the same reference numerals, and in particular, the numerals of the tens and the digits of the digits, the digits of the tens, the digits of the digits and the alphabets are the same, Members referred to by reference numerals can be identified as members corresponding to these standards.

In the drawings, the components are expressed by exaggeratingly larger (or thicker) or smaller (or thinner) in size or thickness in consideration of the convenience of understanding, etc. However, It should not be.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the term " comprising " or " consisting of ", or the like, refers to the presence of a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

1 and 2, the fingerprint recognition apparatus A according to the present invention includes a housing 10, a linker 20, a finger door 30, and a restoration unit 40. As shown in FIG.

First, the housing 10 includes a frame 11 and a cover 13 covering the frame 11. The frame 11 is provided with a finger insertion portion And a fingerprint recognition unit 113 is provided in the finger insertion unit 111. [

The fingerprint recognition unit 113 is preferably formed in a downwardly inclined shape so that the user can easily touch the finger. The fingerprint recognition unit 113 has fingerprint information transmitted to the fingerprint recognition unit 113 And a fingerprint module 15 for comparing with recognized and stored data.

The cover 13 is provided to cover the protruding portions of the fingerprint module 15 and the linker 20 to be described later and the housing 10 so as to be more stably coupled and not to disturb the aesthetics. It is preferable that the shape is adapted to the shape of the frame 11. [

The first coupling portion 115 is provided on the upper portion of the housing 10 and particularly on the frame 11 so that one side of the linker 20 described later can be coupled to the first coupling portion 115 . It is preferable that a rim portion 111B is formed on the recessed portion 111A of the finger insertion portion 111 of the frame 11 so that the finger door 30 can be seated thereon. The slider 111C is inclined so as to extend to the fingerprint recognizer 113 formed at an inclined inner surface of the frame 11 and sliding holes 117 are formed on both sides of the frame 11 .

The linker 20 for opening and closing the finger door 30 is coupled to the first coupling portion 115. The linker 20 will be described in more detail with reference to FIGS. do.

The linker 20 is hinged to the upper portion of the housing 10 and includes a first fastening portion 21 fastened to the first fastening portion 115 on one side and a finger fastening portion 30 on the other side. A second engaging portion 23 is formed. More specifically, the first coupling part 21 and the first coupling part 115 are coupled with each other as the first shaft 115A passes through. The first shaft 115A has a cylindrical shape The linker 20 can be hinged from the housing 10 with respect to the first engaging part 115.

Further, the linker 20 is formed with a latching part 25 extending from the first fastening part 21 and protruding rearward (with the rightward direction being the backward direction with reference to FIG. 3) protruding from the first fastening part 21, And a support groove 27 is further provided at the front of the link 25 and the engaging portion 25 and the support groove 27 will be described in more detail in the description of the operation of the linker 20 described below.

The linker 20 is formed with a first accommodating portion 29 and a first magnet 41 of the reconstruction unit 40 is inserted into the first accommodating portion 29 of the linker 20, And a second coupling portion 23 is provided on the other side to hinge the finger door 30.

The finger door 30 is opened and closed by the finger insertion part 111A of the finger insertion part 111 and the fingerprint recognition part 113 provided in the finger insertion part 111 opens the finger insertion part 111A, So as to prevent the inflow of foreign matter. Therefore, the finger door 30 has the same shape (preferably a rectangular shape) as the shape of the recessed portion 111A of the finger insertion portion 111, and the rear end of the finger door 30 A second fastening part 31 capable of being hinged to the second fastening part 23 is provided at the lower end of the second fastening part 31, 10) is formed on the outer circumferential surface of the third engaging portion 33. As shown in Fig.

More specifically, a second fastening part 31 for hinging the second fastening part 23 is provided at a rear end of the finger door 30, and the second fastening part 31 and the second fastening part 31 And the second shaft 231 is also formed in a cylindrical shape like the first shaft 115A so that the finger door 30 can be connected to the linker 20 in a hinged manner.

At this time, the second housing part 35 is formed on the upper part of the second fastening part 31, the third housing part 37 is formed on the lower part of the second fastening part 31, The second and third magnets 43 and 45 are inserted into the lead portions 35 and 37, respectively.

A third shaft 331 is inserted into the third coupling portion 33. The third shaft 331 is circular in the same manner as the first and second shafts 115A and 231, Both sides of the third shaft 331 are coupled to the sliding holes 117 provided in the housing 10 so as to be able to slide.

As a result, when the lower portion of the finger door 30 is pushed, the third shaft 331 rises along the sliding hole 117, and the first and second shafts 115A, The upper part of the finger door 30 protrudes from the housing 10 to open the finger insertion part 111 by the hinge movement of the first and second coupling parts 115 and 23, 40 to the position for closing the finger input portion 111 again.

Further, the sliding hole 117 provided in the housing 10 includes a rising hole 117A, an inclined hole 117B extending downward from the elevating hole 117A, and a hooking hole 117B bending and extending beneath the inclined hole 117B. (117C).

That is, when the finger door 30 is closed, the third shaft 331 is positioned in the locking hole 117C, and when the lower portion of the finger door 30 is pushed, the third shaft 331 is inserted into the locking hole 117C And ascends through the inclined hole 117B. The reason why the inclined hole 117B is formed is that the finger door 30 can be pushed up more easily. If the sliding hole 117 is formed vertically, it is difficult to push the finger door 30 upward. The finger door 30 can be moved upward to move to the uppermost position. However, at the time of actual use, the fingerprint recognition unit 113 The third shaft 331 does not need to move up to the uprising hole 117A as it is positioned below the finger input portion 111 but may be located in the uprising hole 117A according to the shape of the hand or nail of the user.

Further, the third shaft 331 can be moved by a force for passing the bent portion by the hooking hole 117C bent from the inclined hole 117B, thereby preventing the finger door 30 from being opened unintentionally .

In the fingerprint recognition device A according to the present invention, there is provided a restoration unit 40 which can always close the finger insertion part 111 when the finger door 30 is not used. The restoration unit 40 is constructed by using a spring or other elastic member.

However, according to the present invention, since the restoration unit 40 is constituted by the first to third magnets 41, 43 and 45, it is possible to have less repulsive force than the conventional device, to be.

3 and 4, the first magnet 41 is inserted into the first accommodating portion 29 of the linker 20, The second magnet 43 and the third magnet 45 are inserted into the second housing part 35 and the third housing part 37 of the finger door 30, respectively.

Each of the first to third magnets 45 has an N pole and an S pole, which are properties of a general magnet, and the pulling force (pulling force by mutual magnetism) formed by the N pole and the S pole, And a repulsive force (a force of mutual pushing by the same magnetism).

More specifically, the first and second storage compartments 29 and 35 are disposed at positions adjacent to each other when the finger door 30 is in a closed state, and the third storage compartment 37, Are provided at positions where the finger doors 30 can be adjacent to each other when the finger doors 30 are in the open state (in particular, when the finger doors 30 are lifted to the highest point).

At this time, when the first magnet (41) provided in the first housing part (29) and the second magnet (43) provided in the second housing part (35) are adjacent to each other, And the third magnet 45 provided in the third housing part 37 is arranged to have the same pole as the first magnet 41 so as to have a repulsive force.

4 and 5, the operation of the fingerprint recognition device A according to the present invention will be described.

When a force is applied between the first magnet 41 and the second magnet 43 in a state where the finger door 30 is closed and the user pushes the lower portion of the finger door 30 with a finger to recognize the fingerprint The third shaft 331 moves away from the locking hole 117C and ascends through the inclined hole 117B so that the linker 20 is rotated by the first shaft 115A, The upper portion of the housing 10 protrudes outside the housing 10 to be opened. In this case, the first magnet 41 and the third magnet 45 are adjacent to each other and a repulsive force is generated between them. When the finger is removed, the third shaft 331 is rotated again by the repulsive force and the force of gravity So that the finger door 30 closes the finger insertion portion 111 by being positioned in the locking hole 117C.

At this time, when the finger door 30 is restored to its original position, the upper portion of the finger door 30 may be introduced into the housing 10 when the linker 20 rotates excessively. The linker 20 is provided with a latching portion 25 for restricting the rotational force of the linker 20 and positioning the finger door 30. The housing 10, (7) protruding forwardly from the linking part (25) to support the engaging part (25) to restrict the rotation of the linker (20).

5 (C), the finger door 30 is opened, and the distance between the first magnet 41 and the third magnet 45 is too long to further weaken the repulsive force, thereby improving convenience of use The first magnet 41 and the third magnet 45 are closest to each other and the linker 20 is moved to the closest position. The rim portion 111B of the housing 10 is inserted into the support groove 27 of the linker 20 so as to limit the rotation of the linker 20 so that the failure can be prevented from occurring due to the excessive operation.

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the invention is not limited thereto. Various modifications, alterations, and changes may be made by those skilled in the art. And substitutions are to be construed as falling within the scope of protection of the present invention.

A: fingerprint recognition device 10: housing
11: Frame 111: Finger input part
111A: Entanglement portion 111B:
111C: slope part 113: fingerprint recognition part
115: first coupling portion 115A: first shaft
117: Sliding ball 117A: Raising ball
117B: inclined ball 117C: engaging ball
13: cover 15: fingerprint module
17: support projection 20: linker
21: first fastening part 23: second fastening part
231: second shaft 25:
27: support groove 29: first receiving portion
30: finger door 31: second fastening part
33: third coupling portion 331: third shaft
35: second receiving portion 37: third receiving portion
40: restoring unit 41: first magnet
43: second magnet 45: third magnet

Claims (4)

A housing 10 including a first coupling part 115 provided at an upper part thereof, a finger insertion part 111 provided at the center and for inputting a finger, and a fingerprint recognition part 113 provided at the finger insertion part 111, );
A linker (20) hinged to one side of the first coupling part (115) and forming a second coupling part (23) on the other side;
And a third engaging portion 33 which is fastened to the second engaging portion 23 of the linker 20 and is slidably engaged with the sliding hole 117 formed in the finger insertion portion 111, A finger door 30 for opening and closing the finger input portion 111;
A restoring unit including a first magnet 41 provided on the linker 20 and second and third magnets 43 and 45 provided on the finger door 30;
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When the finger door 30 closes the finger insertion portion 111, the first magnet 41 and the second magnet 43 have attraction force with each other, and the finger door 30 presses the finger insertion portion 111 The first magnet 41 and the third magnet 45 are made to have repulsive force with each other,
The first to third couplers 115, 23 and 33 are provided with first to third shafts 115A, 231 and 331, respectively,
The first shaft 115A is provided to rotate the linker 20 from the housing 10 and the second shaft 231 rotates the upper portion of the finger door 30 from the linker 20, The third shaft 331 is configured to slide the lower portion of the finger door 30 to the housing 10,
Wherein the finger insertion part (111) is opened while the upper part of the finger door (30) protrudes from the housing (10) when the lower part of the finger door (30) is pushed. The method according to claim 1,
The linker 20 is provided with a latching portion 25 and the housing 10 is provided with a support protrusion 17 for supporting the latching portion 25,
When the linker 20 rotates and the finger door 30 closes the finger input unit 111, the rotation of the linker 20 is restricted so that the finger door 30 is positioned in the finger input unit 111 The fingerprint recognition device according to claim 1, 3. The method of claim 2,
The linker 20 is further provided with a support groove 27 so that the rim portion 111B of the housing 10 is inserted into the support groove 27 to limit the rotation of the linker 20. [ And a fingerprint recognition device. The method according to claim 2 or 3,
The sliding hole 117 of the housing 10 includes a rising hole 117A and an inclined hole 117B extending downward from the elevating hole 117A and a locking hole 117C extending downwardly from the lower side of the inclined hole 117B, And a fingerprint recognition device for fingerprint recognition.

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