CN107203744B - Fingerprint identification device and method - Google Patents
Fingerprint identification device and method Download PDFInfo
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- CN107203744B CN107203744B CN201710326885.8A CN201710326885A CN107203744B CN 107203744 B CN107203744 B CN 107203744B CN 201710326885 A CN201710326885 A CN 201710326885A CN 107203744 B CN107203744 B CN 107203744B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
Abstract
The invention provides a fingerprint identification device and a method, wherein the fingerprint identification device comprises: the device comprises a device body, a fingerprint sensor, a switch and a controller; the fingerprint sensor is used for collecting fingerprint information of a user; the switch is connected with the fingerprint sensor, and the fingerprint sensor starts to acquire fingerprint information when the switch is pressed; the controller is connected with the fingerprint sensor and is used for acquiring fingerprint information acquired by the fingerprint sensor and performing fingerprint verification; the fingerprint sensor and the switch are located at different positions of the device body. According to the fingerprint identification device and method provided by the invention, the fingerprint sensor and the switch are positioned at different positions of the device body, so that a user can conveniently control the switch by using different fingers and collect fingerprint information, the problem that the switch cannot be opened or the collected fingerprint is not clear can be effectively avoided, and the product performance is improved.
Description
Technical Field
The present invention relates to fingerprint identification technologies, and in particular, to a fingerprint identification device and method.
Background
The development of the fingerprint identification technology enables the life of people to be more convenient, and the fingerprint identification technology is widely applied to the fields of fingerprint payment, fingerprint unlocking, fingerprint identity verification and the like, such as mobile phone fingerprint keys, fingerprint anti-theft locks, cards based on fingerprint identification, fingerprint attendance equipment and the like.
Fig. 1 is a schematic structural diagram of a fingerprint identification device in the prior art. As shown in figure 1, the existing fingerprint identification device with the function of the switch 2 is provided with the switch 2 and the fingerprint sensor 1 which are overlapped together on a device body 3, the fingerprint sensor 1 is arranged above the switch 2, and the user can realize the functions of fingerprint collection and pressing down the switch 2 at the same time by pressing the finger once.
The defects of the prior art are that because the switch 2 and the fingerprint sensor 1 are overlapped together, the fingerprint sensor 1 is arranged on the upper part, the switch 2 is arranged on the lower part, the switch 2 cannot be opened when the pressure is too small, and the possibly collected fingerprint is deformed or unclear when the pressure is too large, so that the user is difficult to control the pressing force, the switch 2 can be opened, and the fingerprint collection definition and effectiveness can be ensured.
Disclosure of Invention
The invention provides fingerprint identification equipment and a fingerprint identification method, which are used for solving the technical problems that collected fingerprints are not clear or a switch cannot be opened easily when a fingerprint identification device is pressed in the prior art.
The present invention provides a fingerprint identification device, comprising: the device comprises a device body, a fingerprint sensor, a switch and a controller;
the fingerprint sensor is used for collecting fingerprint information of a user;
the switch is connected with the fingerprint sensor, and the fingerprint sensor starts to acquire fingerprint information when the switch is pressed;
the controller is connected with the fingerprint sensor and is used for acquiring fingerprint information acquired by the fingerprint sensor and performing fingerprint verification;
the fingerprint sensor and the switch are located at different positions of the device body.
Further, the equipment body is a card;
the fingerprint sensor and the switch are respectively arranged on the upper surface and the lower surface of the card;
the distance between the center position of the fingerprint sensor and the center position of the switch is smaller than a preset distance.
Further, the equipment body is a card;
the fingerprint sensor with the switch setting is in the different positions of the one side of card.
Further, the fingerprint recognition device further includes: a memory;
the memory is connected with the controller, and fingerprint matching templates are stored in the memory;
the controller is specifically configured to: and acquiring fingerprint information acquired by the fingerprint sensor, and verifying the fingerprint information process according to the fingerprint matching template.
Further, the controller is further configured to: if the fingerprint information does not pass the verification, the fingerprint information is collected again and verified; and if the repeated verification times exceed the preset times, forbidding the fingerprint identification equipment.
Further, the fingerprint recognition device further includes: and the power supply module is used for supplying power to the controller.
Further, the controller comprises a power supply port and an acquisition port;
the acquisition port is used for acquiring fingerprint information acquired by the fingerprint sensor;
the power supply port is used for supplying power to the fingerprint sensor, and the power supply port is connected with the fingerprint sensor through the switch.
Further, the fingerprint recognition device further includes: a communication device;
the communication device is connected with the controller;
the controller is further configured to: after the collected fingerprint information passes verification, a decryption instruction is sent to the communication device;
the communication device is configured to: and sending decryption information to card swiping equipment according to the decryption instruction so that the card swiping equipment completes the verification of the fingerprint identification equipment according to the decryption information.
Further, the fingerprint recognition device further includes: a pushing device;
the pushing device is connected with the controller;
the controller is further configured to: after the acquired fingerprint information passes verification, sending a static password pushing instruction to the pushing device;
the pushing device is used for: and pushing the static password to the user according to the static password display instruction.
Further, the fingerprint recognition device further includes: a pushing device;
the pushing device is connected with the controller;
the controller is further configured to: after the acquired fingerprint information passes verification, generating a dynamic password, and sending a dynamic password pushing instruction to the pushing device;
the pushing device is used for: and pushing the dynamic password to the user according to the dynamic password display instruction.
The invention also provides a fingerprint identification method based on any one of the fingerprint identification devices, which comprises the following steps:
acquiring fingerprint information acquired by a fingerprint sensor when a switch is pressed;
verifying the fingerprint information;
and if the verification is passed, decrypting the fingerprint identification device.
The fingerprint identification equipment and the method provided by the invention comprise an equipment body, a fingerprint sensor, a switch and a controller, wherein the fingerprint sensor is used for collecting fingerprint information of a user, the switch is connected with the fingerprint sensor, the fingerprint sensor starts to collect the fingerprint information when the switch is pressed down, the controller is connected with the fingerprint sensor and is used for acquiring the fingerprint information collected by the fingerprint sensor and carrying out fingerprint verification, the fingerprint sensor and the switch are positioned at different positions of the equipment body, the user can conveniently control the switch by using different fingers and collect the fingerprint information, the problem that the switch cannot be opened or the collected fingerprint is not clear can be effectively avoided, and the product performance is improved.
Drawings
FIG. 1 is a schematic diagram of a prior art fingerprint identification device;
fig. 2 is a schematic diagram illustrating a position of a fingerprint sensor and a switch in the fingerprint identification device according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating another position of a fingerprint sensor and a switch in the fingerprint identification device according to an embodiment of the present invention;
fig. 4 is a block diagram of a fingerprint identification device according to a second embodiment of the present invention;
fig. 5 is a block diagram of a fingerprint identification device according to a third embodiment of the present invention;
fig. 6 is a block diagram of a fingerprint identification device according to a fourth embodiment of the present invention;
fig. 7 is a block diagram of a fingerprint identification device according to a fifth embodiment of the present invention;
fig. 8 is a block diagram of a fingerprint identification device according to a sixth embodiment of the present invention;
fig. 9 is a block diagram of a fingerprint identification device according to a seventh embodiment of the present invention;
fig. 10 is a block diagram of a fingerprint identification device according to an eighth embodiment of the present invention;
fig. 11 is a flowchart of a fingerprint identification method according to a ninth embodiment of the present invention.
Reference numerals:
1-fingerprint sensor 2-switch 3-equipment body 4-controller
5-power supply device 6-communication device 7-pushing device
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present application, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
Example one
The invention provides a fingerprint identification device. The fingerprint identification device in this embodiment may include: the fingerprint sensor 1, the switch 2, the equipment body 3 and the controller;
the fingerprint sensor 1 is used for collecting fingerprint information of a user;
the switch 2 is connected with the fingerprint sensor 1, and the fingerprint sensor 1 starts to acquire fingerprint information when the switch 2 is pressed;
the controller is connected with the fingerprint sensor 1 and is used for acquiring fingerprint information acquired by the fingerprint sensor 1 and performing fingerprint verification;
the fingerprint sensor 1 and the switch 2 are located at different positions of the device body 3.
The fingerprint identification device can be any device with a fingerprint identification function, such as a fingerprint password card, a fingerprint access control device, a fingerprint attendance machine and the like.
The fingerprint identification algorithm may include preprocessing of fingerprint information, feature extraction, and matching identification. Specifically, the collected fingerprint information may be image-enhanced by a preprocessing operation to enrich its detailed information, and then binarized and refined, and feature points of the fingerprint are extracted, the feature points of the fingerprint include detailed features such as a ridge line direction, a ridge tip point, a bifurcation point, and the like based on the fingerprint, and sweat pore features and the like, and finally, the extracted fingerprint features are compared with a fingerprint matching template stored in a fingerprint library, and it is determined whether the collected fingerprint information matches the fingerprint matching template, and if so, the fingerprint information is considered to pass verification.
The switch 2 is connected with the fingerprint sensor 1, and when the switch 2 is pressed, the fingerprint sensor 1 starts to collect fingerprint information.
The connection mode between the switch 2 and the fingerprint sensor 1 can be various, for example, the switch 2 and the fingerprint sensor 1 can be directly connected through a wire, and when the switch 2 is pressed down, the fingerprint sensor 1 is turned on to start fingerprint information acquisition; or, the switch 2 and the fingerprint sensor 1 may be connected by a controller, specifically, one pin of the controller may be connected to the switch 2 to obtain state information of the switch 2, and another pin of the controller is connected to the fingerprint sensor 1, and when the switch 2 is pressed, the controller supplies power to the fingerprint sensor 1 or sends a start instruction to the fingerprint sensor 1, so as to control the fingerprint sensor 1 to start collecting fingerprint information.
The fingerprint sensor 1 and the switch 2 may be located at different positions of the device body 3. For example, be provided with switch area and fingerprint collection area on fingerprint identification equipment's the equipment body 3, switch area with certain distance in interval between the fingerprint collection area, switch 2 and fingerprint sensor 1 set up respectively switch area with the fingerprint collection area, the user can press by a finger switch 2, another finger presses on fingerprint sensor 1 to accomplish fingerprint information's collection.
Preferably, the fingerprint identification device in this embodiment may be a card type fingerprint identification device, such as a bank card, an access card, a bus card, and the like with a fingerprint identification function.
For card type fingerprint identification equipment, the equipment body 3 can be a card, the fingerprint sensor 1 can adopt an ultra-thin fingerprint sensing device, the card is convenient to embed, the switch 2 can be a mechanical switch, the pressing force required for opening the switch 2 is basically matched with the pressing force required for opening the fingerprint sensor 1, the effect and the identification accuracy of fingerprint collection can be ensured while the switch 2 is ensured to be opened, and the problems of mistaken touch and misoperation caused by a capacitive switch can be avoided. Preferably, the switch 2 may be a spring-pressed switch, and the switch 2 is turned on when pressed by a user and turned off when the user takes off his finger.
The switch 2 and the fingerprint sensor 1 may be arranged at different positions of the card, respectively.
Fig. 2 is a schematic position diagram of the fingerprint sensor 1 and the switch 2 in the fingerprint identification device according to an embodiment of the present invention. As shown in fig. 2, the fingerprint sensor 1 and the switch 2 are respectively disposed on the upper surface and the lower surface of the card; the distance between the center position of the fingerprint sensor 1 and the center position of the switch 2 is smaller than a preset distance. The predetermined distance may be set according to actual requirements, for example, one fifth of the length of the card, so as to ensure that the switch 2 and the fingerprint sensor 1 are substantially aligned.
In this embodiment, the switch 2 and the fingerprint sensor 1 are respectively positioned on the front and back sides of the card, and the switch 2 and the fingerprint sensor 1 are positioned in the up-down alignment position, so that the finger can be conveniently clamped and operated.
When the card is used, a user can press the front side and the back side of the card by two fingers at the same time, after the switch 2 is pressed down by one finger, the fingerprint sensor 1 starts to work, collects fingerprint information of the other finger and sends the fingerprint information to the controller. The controller judges whether the acquired fingerprint information is matched with a fingerprint matching template in the fingerprint library, and if the acquired fingerprint information is matched with the fingerprint matching template in the fingerprint library, the card is immediately decrypted, and the subsequent card swiping operation is completed.
Fig. 3 is a schematic diagram of another position of the fingerprint sensor 1 and the switch 2 in the fingerprint identification device according to the first embodiment of the present invention. As shown in fig. 3, the fingerprint sensor 1 and the switch 2 are arranged at different positions on the same side of the card.
In this embodiment, the switch 2 is arranged non-overlapping with the fingerprint sensor 1, each at a different location on the same side of the card. When using, the user can lie the card flat, and two fingers press fingerprint sensor 1 and switch 2 simultaneously respectively, and after switch 2 was pressed down, fingerprint sensor 1 began work immediately.
The fingerprint identification equipment that this embodiment provided, including equipment body 3, fingerprint sensor 1, switch 2 and controller, fingerprint sensor 1 is used for gathering user's fingerprint information, switch 2 with fingerprint sensor 1 connects, when switch 2 is pressed fingerprint sensor 1 begins to gather fingerprint information, the controller with fingerprint sensor 1 connects, is used for acquireing fingerprint information that fingerprint sensor 1 gathered carries out the fingerprint verification, fingerprint sensor 1 with switch 2 is located equipment body 3's different positions, convenience of customers finger control switch 2 with the difference and carry out fingerprint information's collection, can effectively avoid appearing unable opening switch 2 or the unclear problem of fingerprint of gathering, improve product property ability.
Example two
The embodiment of the invention provides fingerprint identification equipment. In the embodiment, on the basis of the technical scheme provided by the first embodiment, a power supply device 5 is added to supply power to each component.
Fig. 4 is a block diagram of a fingerprint identification device according to a second embodiment of the present invention. As shown in fig. 4, the fingerprint identification device provided in this embodiment may include: the device comprises a device body, a fingerprint sensor 1, a switch 2, a controller 4 and a power supply device 5.
The structures and functions of the device body, the fingerprint sensor 1 and the switch 2 are similar to those of the embodiment. The power supply device 5 is connected with the controller 4 and used for supplying power to the controller 4.
The power supply device 5 may include a battery or a direct current power supply module such as a Universal Serial Bus (USB) charging module, and directly supplies power to the controller 4. Further, the power supply apparatus 5 may further include a voltage stabilizing module, an input end of the voltage stabilizing module is connected to the dc power supply module, the voltage stabilizing module is configured to convert the voltage output by the dc power supply module into a stable voltage, and an output end of the voltage stabilizing module is connected to the controller 4 to supply power to the controller 4. The voltage stabilization module can be realized by a voltage stabilization chip such as LM1575T-3.3 or LM317 LZ.
In this embodiment, the power supply device 5 outputs a stable voltage suitable for the controller 4, so as to ensure the normal operation of the controller 4, and the controller 4 supplies power to other modules.
The fingerprint identification device provided by the embodiment is additionally provided with the power supply device 5, and can provide stable voltage for the controller 4 and ensure the normal work of the controller 4 and other components.
In the second embodiment, there may be many connection relationships between the power supply device 5 and other components, as long as the requirement that the fingerprint sensor 1 starts to collect fingerprint information when the switch 2 is pressed is met, which will be described below through third to fifth embodiments.
EXAMPLE III
The third embodiment of the invention provides fingerprint identification equipment. In the embodiment, on the basis of the technical scheme provided by the first embodiment, a power supply device 5 is added to supply power to each component. Unlike the second embodiment, the power supply device 5 directly supplies power to the fingerprint sensor 1 in the present embodiment.
Fig. 5 is a block diagram of a fingerprint identification device according to a third embodiment of the present invention. As shown in fig. 5, the fingerprint identification device provided in this embodiment may include: the device comprises a device body, a fingerprint sensor 1, a switch 2, a controller 4 and a power supply device 5.
The power supply device 5 may be connected to the controller 4 and the fingerprint sensor 1, respectively, and is configured to supply power to the controller 4 and the fingerprint sensor 1.
The supply voltage of the controller 4 and the supply voltage of the fingerprint sensor 1 may be the same or different, for example, the supply voltage of the controller 4 may be 3.3V, and the supply voltage of the fingerprint sensor 1 may be 5V. Accordingly, the power supply means 5 may comprise two outputs for outputting a voltage suitable for the controller 4 and a voltage suitable for the fingerprint sensor 1, respectively.
The switch 2 is connected with the controller 4, the controller 4 sends a start instruction to the fingerprint sensor 1 when the switch 2 is pressed, and the fingerprint sensor 1 starts to collect fingerprint information after receiving the start instruction.
The fingerprint identification equipment that this embodiment provided is supplied power for controller 4 and fingerprint sensor 1 by power supply unit 5, is applicable to the unmatched occasion of controller 4 with fingerprint sensor 1's supply voltage, has guaranteed controller 4 and fingerprint sensor 1's normal work.
Example four
The fourth embodiment of the invention provides fingerprint identification equipment. In the embodiment, on the basis of the technical scheme provided by the first embodiment, a power supply device 5 is added to supply power to each component. Unlike the second embodiment, the switch 2 is disposed between the controller 4 and the fingerprint sensor 1 in this embodiment.
Fig. 6 is a block diagram of a fingerprint identification device according to a fourth embodiment of the present invention. As shown in fig. 6, the fingerprint identification device provided in this embodiment may include: the device comprises a device body, a fingerprint sensor 1, a switch 2, a controller 4 and a power supply device 5.
The power supply device 5 may be connected to the controller 4 and the fingerprint sensor 1, respectively, and configured to supply power to the controller 4 and the fingerprint sensor 1.
The controller 4 is connected with the fingerprint sensor 1 and used for supplying power to the fingerprint sensor 1. Specifically, controller 4 with can pass through between the fingerprint sensor 1 switch 2 is connected, when switch 2 was pressed, controller 4 with power supply path between the fingerprint sensor 1 switches on, and fingerprint sensor 1 begins to carry out fingerprint information collection, and when switch 2 did not pressed, controller 4 with power supply path between the fingerprint sensor 1 cuts off, and fingerprint sensor 1 can't carry out fingerprint information collection.
The fingerprint identification equipment that this embodiment provided is provided with switch 2 by being provided with between controller 4 and the fingerprint sensor 1 switch 2 just to when pressing fingerprint sensor 1 power supply, when switch 2 not pressed, fingerprint sensor 1 is in complete dormancy state, does not have the electric current to pass through for the idle time consumption reduces to minimumly, has effectively practiced thrift the electric energy, has reduced fingerprint identification equipment's use cost.
EXAMPLE five
The fifth embodiment of the invention provides fingerprint identification equipment. In the embodiment, on the basis of the technical scheme provided by the first embodiment, a power supply device 5 is added to supply power to each component. Unlike the second embodiment, the fingerprint sensor 1 is powered by the power supply device 5, and the switch 2 is disposed between the power supply device 5 and the fingerprint sensor 1.
Fig. 7 is a block diagram of a fingerprint identification device according to a fifth embodiment of the present invention. As shown in fig. 7, the fingerprint identification device provided in this embodiment may include: the device comprises a device body, a fingerprint sensor 1, a switch 2, a controller 4 and a power supply device 5.
The power supply device 5 is connected with the controller 4 and used for supplying power to the controller 4.
Further, power supply unit 5 still through switch 2 with fingerprint sensor 1 is connected, when switch 2 was pressed, power supply unit 5 with switch on between the fingerprint sensor 1, fingerprint sensor 1 begins to carry out fingerprint information's collection, when switch 2 was not pressed, power supply unit 5 with cut off between the fingerprint sensor 1, fingerprint sensor 1 can't carry out fingerprint information's collection.
The fingerprint identification device that this embodiment provided is supplied power for controller 4 and fingerprint sensor 1 by power supply unit 5, and switch 2 direct control power supply unit 5 need not to use controller 4 to control the power supply condition of fingerprint sensor 1 to the power supply of fingerprint sensor 1, has lightened controller 4's burden, has improved controller 4's work efficiency.
EXAMPLE six
The sixth embodiment of the invention provides fingerprint identification equipment. In the embodiment, on the basis of the technical scheme provided by the first embodiment, a power supply device 5 is added to supply power to each component. Unlike the second embodiment, the switch 2 is connected to the power supply device 5 in the present embodiment, and the power supply device 5 starts to operate when the switch 2 is pressed.
Fig. 8 is a block diagram of a fingerprint identification device according to a sixth embodiment of the present invention. As shown in fig. 8, the fingerprint identification device provided in this embodiment may include: the device comprises a device body, a fingerprint sensor 1, a switch 2, a controller 4 and a power supply device 5.
When the switch 2 is pressed down, the power supply device 5 starts to work, the controller 4 is powered on, electric energy is output to the fingerprint sensor 1, the fingerprint sensor 1 starts to collect fingerprint information, and the collected fingerprint information is sent to the controller 4 to be verified. When the switch 2 is not pressed down, the power supply device 5 does not work, the controller 4 and the fingerprint sensor 1 do not have current, the fingerprint sensor 1 cannot collect fingerprint information, and the controller 4 cannot perform fingerprint verification and other work.
The fingerprint identification equipment that this embodiment provided is supplied power for controller 4 by power supply unit 5, and controller 4 is the power supply of fingerprint sensor 1, and switch 2 control power supply unit 5 work, and when switch 2 disconnection, controller 4 and fingerprint sensor 1 do not all have the electric current to pass through, can fall the consumption of equipment to minimum, have improved equipment duration, have reduced use cost.
In the technical solutions provided in the foregoing embodiments, the controller 4 may include a plurality of ports, which are respectively used for transmitting or receiving. For example, in the fourth embodiment, if the controller 4 supplies power to the fingerprint sensor 1, the controller 4 may include a power supply port and a collection port, the collection port is used to obtain fingerprint information collected by the fingerprint sensor 1, the power supply port is used to supply power to the fingerprint sensor 1, and the power supply port is connected to the fingerprint sensor 1 through the switch 2.
EXAMPLE seven
The seventh embodiment of the invention provides fingerprint identification equipment. In this embodiment, on the basis of the technical solution provided in the first embodiment, the communication device 6 is added to complete the card swiping operation.
Fig. 9 is a block diagram of a fingerprint identification device according to a seventh embodiment of the present invention. As shown in fig. 9, the fingerprint identification device in this embodiment may include: the device comprises a device body, a fingerprint sensor 1, a switch 2, a controller 4 and a communication device 6;
the structure and function of the device body, the fingerprint sensor 1, the switch 2, and the controller 4 are similar to those of the foregoing embodiments. The communication means 6 may be powered by the controller 4 or directly by the power supply means.
The communication device 6 is connected to the controller 4. The controller 4 may also be configured to: after the acquired fingerprint information passes verification, a decryption instruction is sent to the communication device 6; the communication device 6 is configured to: and sending decryption information to card swiping equipment according to the decryption instruction so that the card swiping equipment completes the verification of the fingerprint identification equipment according to the decryption information.
The Communication device 6 may be a WIreless FIdelity (WiFi) Communication device, a bluetooth Communication device, a Near Field Communication (NFC) device, or the like, and the Communication device 6 and the card swiping device may interact with each other through WIreless Communication.
After the communication device 6 sends the decryption information to the card swiping device, the card swiping device can complete the verification of the fingerprint identification device according to the decryption information, and continue to execute the next operation to complete the card swiping operation.
For example, fingerprint identification equipment can be the bus card, the equipment of punching the card can be the bus machine of punching the card, when the user need use the bus card to punch the card, can press close to the bus machine of punching the card with the bus card, press on switch 2 and fingerprint sensor 1 respectively with two fingers simultaneously, after fingerprint information that fingerprint sensor 1 gathered verified successfully, controller 4 can send the decryption instruction to communication device 6, and communication device 6 basis decryption instruction sends decryption information to the bus machine of punching the card, and decryption information can include information such as bus card number and balance, and the bus machine of punching the card can be according to decryption information completion operation of punching the card, if verify passenger's identity or deduction bus fee etc..
For another example, the fingerprint identification device may be a bank card, the swipe device may be a swipe card machine set by a merchant, when a user needs to swipe the bank card, the bank card may be attached to the swipe card machine, and meanwhile, two fingers are respectively pressed on the switch 2 and the fingerprint sensor 1, after the fingerprint information collected by the fingerprint sensor 1 is successfully verified, the controller 4 may send a decryption instruction to the communication device 6, the communication device 6 sends decryption information to the swipe card machine according to the decryption instruction, the decryption information may include information such as a bank card number and a balance, and the swipe card machine may complete a swipe card operation according to the decryption information, such as payment of a corresponding fee.
For another example, the fingerprint identification device may be an entrance guard card, the card swiping device may be an entrance guard card swiping machine, when the user needs to swipe the entrance guard card, the entrance guard card may be attached to the entrance guard card swiping machine, and simultaneously, the two fingers are respectively pressed on the switch 2 and the fingerprint sensor 1, after the fingerprint information collected by the fingerprint sensor 1 is successfully verified, the controller 4 may send a decryption instruction to the communication device 6, the communication device 6 sends decryption information to the entrance guard card swiping machine according to the decryption instruction, the decryption information may include user identity information, and the card swiping machine may complete card swiping operation according to the decryption information, such as opening an entrance guard.
When the fingerprint information of the collected user is not matched with the fingerprint information in the fingerprint library of the fingerprint identification device, the fingerprint information is not verified, the controller 4 cannot send a decryption instruction to the communication device 6, even if the communication device 6 is close to the card swiping device, the decryption information cannot be sent to the card swiping device, and at the moment, the fingerprint identification device or the card swiping device can remind the user to input the fingerprint again.
The embodiment provides the fingerprint identification device, and after the fingerprint information of the user passes the verification, the communication device 6 sends the decryption information to the card swiping device, so that the card swiping device can execute subsequent steps according to the decryption information, thereby quickly completing the card swiping operation and providing convenience for the user.
Example eight
The eighth embodiment of the invention provides fingerprint identification equipment. In this embodiment, on the basis of the technical solution provided in the first embodiment, the pushing device 7 is added to complete the card swiping operation.
Fig. 10 is a block diagram of a fingerprint identification device according to an eighth embodiment of the present invention. As shown in fig. 10, the fingerprint identification device in this embodiment may include: the device comprises a device body, a fingerprint sensor 1, a switch 2, a controller 4 and a pushing device 7;
the structure and function of the device body, the fingerprint sensor 1, the switch 2, and the controller 4 are similar to those of the foregoing embodiments. The pushing device 7 can be powered by the controller 4 or directly by a power supply device.
The pushing device 7 is connected with the controller 4.
The controller 4 is further configured to: after the acquired fingerprint information passes verification, sending a static password pushing instruction to the pushing device 7; the pushing device 7 is used for: and pushing the static password to the user according to the static password display instruction. Alternatively, the controller 4 is further configured to: after the acquired fingerprint information passes verification, generating a dynamic password, and sending a dynamic password pushing instruction to the pushing device 7; the pushing device 7 is used for: and pushing the dynamic password to the user according to the dynamic password display instruction.
The pushing device 7 can be implemented in various ways as long as the function of pushing the password to the user can be realized. Preferably, the pushing device 7 may be a display screen, a speaker, a seven-segment digital tube, or the like. Correspondingly, the pushing device 7 can push dynamic or static password passwords to the user in the modes of displaying characters or pictures, broadcasting sound, displaying numbers through a nixie tube and the like.
Further, display time or broadcast times can be preset, for example, when a display screen is used for displaying a static password or a dynamic password, the display time can be 5 seconds or 10 seconds, the static password or the dynamic password is pushed in a voice broadcast mode, the broadcast times can be two times, a user can be ensured to completely acquire the static password or the dynamic password, and password leakage and electric energy waste caused by long-time pushing of the password for multiple times can be avoided.
In practical application, a user can press two fingers on the switch 2 and the fingerprint sensor 1 respectively, after fingerprint information collected by the fingerprint sensor 1 is successfully verified, the controller 4 can send a corresponding static password or dynamic password to the pushing device 7, the static password or dynamic password is pushed to the user by the pushing device 7, after the user obtains the static password or dynamic password, the static password or dynamic password can be input on a card swiping device, the card swiping device can verify the static password or dynamic password, and card swiping operations such as deduction of fees, opening of an entrance guard and the like are completed after the static password or dynamic password is verified.
According to the fingerprint identification equipment provided by the embodiment, after the fingerprint information of the user passes verification, the pushing device 7 pushes the password to the user, so that the user can input the password into the card swiping equipment, the card swiping operation is completed, and the card swiping safety is guaranteed.
In the drawings provided in the above embodiments, arrows indicate the flow of current or information. Specifically, the arrow of the power supply device 5 toward the other components indicates that the power supply device 5 supplies power to the other components; an arrow of the controller 4 towards the fingerprint sensor 1 indicates that the controller 4 supplies power to the fingerprint sensor 1 or sends a start instruction to the fingerprint sensor 1; an arrow of the fingerprint sensor 1 facing the controller 4 indicates that the fingerprint sensor 1 sends the acquired fingerprint information to the controller 4; an arrow from the controller 4 toward the communication device 6, which indicates that the controller 4 transmits a decryption instruction or the like to the communication device 6; the arrow from the controller 4 to the push device 7 indicates that the controller 4 sends a static or dynamic password push command or the like to the push device 7.
On the basis of the technical solutions provided in the foregoing embodiments, preferably, the controller 4 may be further configured to: if the fingerprint information does not pass the verification, the fingerprint information is collected again and verified; if the repeated verification times exceed the preset times, the fingerprint identification device is forbidden, so that lawless persons can be effectively prevented from trying to adopt finger mode and the like to pass the fingerprint identification verification, and the safety of the fingerprint identification device is improved.
On the basis of the technical solutions provided in the foregoing embodiments, preferably, the fingerprint identification device may further include: a memory. The memory is connected with the controller 4 and is used for storing various information required in the card swiping process, such as a fingerprint matching template and decryption information. After acquiring the fingerprint information acquired by the fingerprint sensor 1, the controller 4 may verify the fingerprint information according to the fingerprint matching template stored in the memory. After the fingerprint information is verified, the communication means 6 may transmit the decryption information stored in the memory to the card swiping device.
Further, a preset static password can be stored in the memory.
Further, the memory may further store a dynamic password generation program for generating a dynamic password. Alternatively, the dynamic password generation program may also be stored in the controller 4, or the fingerprint identification device may include a dynamic password generation module, connected to the controller 4, and configured to generate a dynamic password and send the dynamic password to the controller 4.
Example nine
An embodiment of the present invention further provides a fingerprint identification method for a fingerprint identification device according to any one of the above embodiments. Fig. 11 is a flowchart of a fingerprint identification method according to a ninth embodiment of the present invention. As shown in fig. 11, the fingerprint identification method in this embodiment may include:
102, verifying the fingerprint information;
and 103, if the verification is passed, decrypting the fingerprint identification device.
The main execution body of the method in this embodiment may be a controller in a fingerprint identification device, and specific implementation principles and processes of the method may refer to any of the foregoing embodiments, which are not described herein again.
In practical use, a user can press the fingerprint sensor and the switch of the fingerprint identification device simultaneously by two fingers, and after the switch is pressed down, the fingerprint sensor starts to work, collects fingerprint information and sends the fingerprint information to the controller. The controller executes a fingerprint identification algorithm, judges whether the acquired fingerprint information is matched with a fingerprint matching template in the fingerprint library, if so, the verification is passed, and immediately decrypts the equipment to complete the subsequent card swiping operation. If not, the verification is not passed, and the user is reminded to re-input the fingerprint.
Further, the decryption operation performed after the fingerprint information verification is passed may include: sending a decryption instruction to the communication device so that the communication device sends decryption information to the card swiping equipment according to the decryption instruction; or sending a static password pushing instruction or a dynamic password pushing instruction to the pushing device so that the pushing device pushes the static password or the dynamic password to the user according to the static password pushing instruction or the dynamic password pushing instruction.
In the fingerprint identification method that this embodiment provided, fingerprint sensor is used for gathering user's fingerprint information, the switch with fingerprint sensor connects, when the switch was pressed fingerprint sensor begins to gather fingerprint information, the controller with fingerprint sensor connects, is used for acquireing fingerprint information that fingerprint sensor gathered carries out fingerprint verification, fingerprint sensor with the switch is located the different positions of equipment body makes things convenient for the user to control the switch with different fingers and gather the fingerprint, can effectively avoid appearing unable opening switch or the unclear problem of fingerprint of gathering, improves product property ability.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (11)
1. A fingerprint recognition device, comprising: the device comprises a device body, a fingerprint sensor, a switch and a controller;
the fingerprint sensor is used for collecting fingerprint information of a user;
the switch is connected with the fingerprint sensor, and the fingerprint sensor starts to acquire fingerprint information when the switch is pressed;
the controller is connected with the fingerprint sensor and is used for acquiring fingerprint information acquired by the fingerprint sensor and performing fingerprint verification;
the fingerprint sensor and the switch are positioned at different positions of the equipment body;
the fingerprint acquisition device comprises an equipment body, and is characterized in that a switch area and a fingerprint acquisition area are arranged on the equipment body, a certain distance is arranged between the switch area and the fingerprint acquisition area, and the switch and the fingerprint sensor are respectively arranged on the switch area and the fingerprint acquisition area.
2. The fingerprint recognition device of claim 1, wherein the device body is a card;
the fingerprint sensor and the switch are respectively arranged on the upper surface and the lower surface of the card;
the distance between the center position of the fingerprint sensor and the center position of the switch is smaller than a preset distance;
the switch is a mechanical switch.
3. The fingerprint recognition device of claim 1, wherein the device body is a card;
the fingerprint sensor and the switch are arranged at different positions on the same surface of the card;
the switch is a mechanical switch.
4. The fingerprint recognition device of claim 1, further comprising: a memory;
the memory is connected with the controller, and fingerprint matching templates are stored in the memory;
the controller is specifically configured to: and acquiring fingerprint information acquired by the fingerprint sensor, and verifying the fingerprint information according to the fingerprint matching template.
5. The fingerprint recognition device of claim 1, wherein the controller is further configured to: if the fingerprint information does not pass the verification, the fingerprint information is collected again and verified; and if the repeated verification times exceed the preset times, forbidding the fingerprint identification equipment.
6. The fingerprint recognition device of claim 1, further comprising: and the power supply module is used for supplying power to the controller.
7. The fingerprint recognition device of claim 1, wherein the controller includes a power port and an acquisition port;
the acquisition port is used for acquiring fingerprint information acquired by the fingerprint sensor;
the power supply port is used for supplying power to the fingerprint sensor, and the power supply port is connected with the fingerprint sensor through the switch.
8. The fingerprint recognition device according to any one of claims 1 to 7, further comprising: a communication device;
the communication device is connected with the controller;
the controller is further configured to: after the collected fingerprint information passes verification, a decryption instruction is sent to the communication device;
the communication device is configured to: and sending decryption information to card swiping equipment according to the decryption instruction so that the card swiping equipment completes the verification of the fingerprint identification equipment according to the decryption information.
9. The fingerprint recognition device according to any one of claims 1 to 7, further comprising: a pushing device;
the pushing device is connected with the controller;
the controller is further configured to: after the acquired fingerprint information passes verification, sending a static password pushing instruction to the pushing device;
the pushing device is used for: and pushing the static password to the user according to the static password display instruction.
10. The fingerprint recognition device according to any one of claims 1 to 7, further comprising: a pushing device;
the pushing device is connected with the controller;
the controller is further configured to: after the acquired fingerprint information passes verification, generating a dynamic password, and sending a dynamic password pushing instruction to the pushing device;
the pushing device is used for: and pushing the dynamic password to the user according to the dynamic password display instruction.
11. A fingerprint recognition method based on the fingerprint recognition device according to any one of claims 1 to 10, comprising:
acquiring fingerprint information acquired by a fingerprint sensor when a switch is pressed;
verifying the fingerprint information;
and if the verification is passed, decrypting the fingerprint identification device.
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| CN201710326885.8A CN107203744B (en) | 2017-05-10 | 2017-05-10 | Fingerprint identification device and method |
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