CN103984913A - Device with fingerprint induction identification and method thereof - Google Patents

Abstract

The present invention discloses a device with fingerprint sensing and identification and a method thereof, comprising the following steps: pressing a finger on a sensing unit of the fingerprint sensing and identification device; generating a pressure distribution sensing signal of a fingerprint path through the pressure of the finger on the sensing unit, and transmitting the signal to the identification unit of the fingerprint sensing and identification device; receiving and identifying the pressure distribution sensing signal through the identification unit to generate fingerprint feature data, and transmitting the signal to a microcontroller; using the microcontroller to compare the fingerprint feature data with at least one preset fingerprint data in a fingerprint database to determine whether the data match; and if there is preset fingerprint data that matches, the microcontroller immediately sends a notification signal to an external electronic device to enable the external electronic device to execute a related program.

Description

Device with fingerprint sensing identification and method thereof

technical field

The present invention relates to a device with fingerprint sensing identification and its method, in particular to a method and device for enabling an external electronic device to perform related programs through fingerprint sensing identification.

Background technique

Fingerprint identification technology is a very common technology today. Since the fingerprint characteristics of each person are different, fingerprints can be said to be a unique password. It mainly provides related technologies for certain specific people to pass through, such as the most Often used in access control systems. However, due to the large size of the general fingerprint system, the devices that can perform related procedures are also limited. A while ago, a pressure-type fingerprint device was disclosed, which is different from the previous fingerprint recognition devices. The general fingerprint identification system is made relatively small, or it is convenient to be integrated into other devices.

In this era of popular electronic devices, computers, mobile phones, PDAs or various input devices can be seen everywhere, and in such a convenient era, it is inevitable that there will be cases of misappropriation by others. If these electronic devices are combined with this kind of pressure-type fingerprint device, it is not easy to crack the general input password, so it can be used in methods such as locking, power on/off, encryption or as a certificate signature, etc. The fingerprint recognition method has considerable advantages. convenience.

Contents of the invention

In order to achieve the above-mentioned purpose, the present invention discloses a device with fingerprint sensing identification and its method. Through the method of the present invention, the fingerprint identification function can be combined with the general electronic device to perform functions such as power on/off, lock, security, certificate, etc. Certification and other procedures to ensure the safety of electronic devices.

According to the above, the present invention is mainly summarized as follows:

A fingerprint sensing identification method at least includes the following steps: pressing a finger on a sensing unit of a fingerprint sensing identification device; generating a pressure distribution sensing signal of the fingerprint circuit by pressing the finger on the sensing unit , and sent to an identification unit of the fingerprint sensing identification device; receiving and identifying the pressure distribution sensing signal through the identification unit to generate a fingerprint feature data, and sending it to a micro-control processor; using the micro-control processor to The fingerprint feature data is compared with at least one preset fingerprint data in a fingerprint database to determine whether it matches; and if there is a matching preset fingerprint data, the microcontroller processor immediately sends a notification signal to an external electronic device, so that the external electronic device executes a related program.

In the present invention, it is necessary to carry out the initial identification to generate the preset fingerprint data and store it in the fingerprint database, and then there will be comparable fingerprint data when the comparison is performed, so as to facilitate subsequent identification and send the notification signal The relevant steps are as follows: press your finger on the sensing unit of the fingerprint sensing identification device; press the finger on the sensing unit to generate a pressure distribution sensing signal of the fingerprint circuit, and send it to the fingerprint sensing identification the identification unit of the device; and receiving and identifying the pressure sensing signal through the identification unit to generate the preset fingerprint data and store it in the fingerprint database. Wherein when comparing the fingerprint characteristic data and there is a matching preset fingerprint data, the microcontroller processor sends the notification signal to the external electronic device in a wired or wireless manner.

A device with fingerprint sensing identification, which at least includes: a fingerprint sensing identification device, which includes; a sensing unit, receiving pressure from a finger to generate a pressure distribution sensing signal of the fingerprint path; an identification unit, and the The sensing unit is electrically connected to receive and identify the pressure distribution sensing signal to generate a fingerprint feature data; a micro-control processor is electrically connected to the identification unit to combine the fingerprint feature data with at least one of the fingerprint database Compared with the preset fingerprint data, if there is a match, a notification signal is sent; a fingerprint database is electrically connected with the microcontroller processor and the identification unit to store the multiple preset fingerprint data; and an external The electronic device receives the notification signal to execute related programs.

In the present invention, a communication unit is further included, electrically connected with the microcontroller processor, so as to send the notification signal to the external electronic device through wired or wireless means.

In the present invention, wherein the communication unit is: third-generation mobile communication (3rd-Generation, 3G), radio (Radio Freqency, RF), low-speed short-distance transmission (Zigbee), Bluetooth (Bluetooth), Wifi, near field communication (Near Field Communication, NFC) or infrared ray to wirelessly transmit the notification signal to the external electronic device.

In the present invention, the communication unit is connected with the external device through a wire, so as to send the notification signal to the external electronic device in a wired manner.

In the present invention, the microcontroller processor and the fingerprint database are integrated in the fingerprint sensing identification device, or integrated in the external electronic device.

Through the above, the present invention has the following advantages: (1) Restrict users: protect electronic devices from being used by outsiders through the fingerprint identification mechanism; Security of transactions or confidentiality; (3) Wide application: The fingerprint identification device can cooperate with any electronic device to perform functions such as (1) and (2) above, and the application level is very wide.

Description of drawings

Please refer to the following detailed description of a preferred embodiment of the present invention and the accompanying drawings, will further understand the technical content of the present invention and its purpose effect; the accompanying drawings of the relevant embodiment are:

Fig. 1 is a block diagram of a device with fingerprint sensor identification of the present invention;

Fig. 2 is a flow chart of fingerprint sensing identification to drive an external device of the present invention;

FIG. 3 is a flow chart of setting preset fingerprint data in the present invention.

Explanation of reference signs: 1-fingerprint sensing identification device; 11-sensing unit; 12-identification unit; 13-micro-control processor; 14-fingerprint database; 15-communication unit; 2-external electronic device; steps S11-S17; Steps S21 to S24.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Please refer to FIG. 1 , which is a block diagram of a device with fingerprint sensing and identification according to the present invention. As shown in the figure, the present invention is mainly composed of two parts, one is a fingerprint sensing identification device 1 and the other is an external electronic device 2 . Wherein, the fingerprint sensing identification device 1 includes: a sensing unit 11 , an identification unit 12 , a microcontroller processor 13 , a fingerprint database 14 and a communication unit 15 . The sensing unit 11 receives the pressing pressure of the finger to generate a pressure distribution sensing signal caused by the fingerprint path, and then transmits the pressure distribution sensing signal to the identification unit 12 . The identification unit 12 is electrically connected with the sensing unit 11 to receive and identify the pressure distribution sensing signal, and generate fingerprint feature data. The sensing unit 11 of the present invention can receive fingerprint pressing from more than one direction. Generally, traditional mechanical fingerprint sensing units can only receive finger pressing from one direction to generate pressure distribution sensing signals. If pressing from other directions, the generated pressure distribution signals are sent to The identification unit cannot be identified or is identified incorrectly, but the sensing unit 11 of the present invention is a pressure type, so finger pressing in any direction can be sensed and identified by the identification unit 12 . The micro-control processor 13 is connected to the identification unit 12 , and the micro-control processor 13 is responsible for comparing the generated fingerprint feature data with several previously stored fingerprint data in the fingerprint database 14 . The fingerprint database 14 is electrically connected with the microcontroller processor 13 and the identification unit 12 to store preset fingerprint data for comparison with fingerprint feature data. And the communication unit 15 is electrically connected with the microcontroller processor 13, so as to send a notification signal to the signal receiving device in the external electronic device 2 through wired or wireless means, so that the external electronic device 2 executes related programs such as: lock, power on/off, Encryption or as a certificate signature and so on. Wherein if the communication unit 15 is to send out in a wireless manner, the communication unit 15 may include: third-generation mobile communication (3rd-Generation, 3G), fourth-generation mobile communication (4th-Generation, 4G), radio ( RadioFreqency, RF), low-speed short-distance transmission (Zigbee), Bluetooth (Bluetooth), Wifi, Near Field Communication (Near Field Communication, NFC) or infrared, etc. As for the external electronic device 2, it generally refers to various electronic products, such as computers, mobile phones, PDAs, input devices, output devices or storage devices, etc. can be external electronic devices 2, only for switching purposes, certificate authentication purposes, There are differences in software such as encryption, security, etc., but the hardware and related connections are not different from the present invention. It is worth noting that the fingerprint sensing identification device 1 of the present invention can be integrated into the external electronic device 2 (then signal transmission between the fingerprint sensing identification device 1 and the external electronic device 2 can be carried out in a wired or wireless manner), or The way of separation, such as: placing it on the shell used by the external electronic device 2 (then, the signal transmission between the fingerprint sensing identification device 1 and the external electronic device 2 can be carried out in a wired or wireless manner), but this embodiment is only an example for illustration In fact, the location where the fingerprint sensor identification device 1 is placed is not limited thereto.

Please refer to FIG. 2 , which is a flow chart of fingerprint sensing and identification to drive an external device according to the present invention. This embodiment mainly provides a notification signal that can be sent to an external electronic device for related procedures when the fingerprint identification is successful. The relevant steps are as follows:

Firstly, proceed to step S11, first align the finger with the sensing unit on the fingerprint sensing recognition device, and press on the sensing unit;

Then, proceed to step S12, press the pressure of the finger on the sensing unit, so that the pressure caused by the fingerprint circuit on the sensing unit generates a pressure distribution sensing signal, and transmits the pressure distribution sensing signal to the fingerprint sensing recognition device. in the identification unit;

Next, proceed to step S13, the recognition unit receives and recognizes the pressure distribution induction signal to generate a fingerprint characteristic data, which may be an image, number or symbol, etc., and transmits the fingerprint characteristic data to the microcontroller processing device;

Next, proceed to step S14, compare the fingerprint feature data with at least one preset fingerprint data in the fingerprint database through the micro-controller processor, and judge whether there is any preset fingerprint data that matches the fingerprint feature data , as in step S15;

If there is matching fingerprint data, proceed to step S16, the microcontroller processor will immediately send a notification signal to the external electronic device, so that the external electronic device executes a corresponding related program;

If not, go to step S17 and do not perform any action including sending out a notification signal, and the external electronic device will not perform corresponding related procedures if it does not receive the notification signal.

Before performing as shown in Figure 2, there must be corresponding fingerprint data that can pass the comparison program in the fingerprint database, so before the comparison, it is necessary to store the multiple fingerprint data used for comparison in the fingerprint database. That is to say, the fingerprints in the fingerprint database can be compared, and the micro-control processor sends a notification signal to the external electronic device. Please refer to FIG. 3 , which is a flow chart of fingerprint sensing and identification to set preset fingerprint data according to the present invention. The related steps are as follows:

Firstly, proceed to step S21, align the finger that can be compared with the sensing unit on the fingerprint sensing identification device, and press on the sensing unit;

Next, proceed to step S22, by pressing the pressure of the finger on the sensing unit, the pressure caused by the fingerprint circuit on the sensing unit generates a pressure distribution sensing signal, and transmits the pressure distribution sensing signal to the fingerprint sensing recognition device in the identification unit

Next, proceed to step S23 , the recognition unit receives and recognizes the pressure distribution sensing signal to generate the preset fingerprint data that can be compared, and the preset fingerprint data may be an image, a number or a symbol and the like.

Finally, step S24 is performed to transmit the preset fingerprint data to a fingerprint database for storage so as to be used for comparison in the future.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of implementation of the present invention; if the present invention is modified or equivalently replaced without departing from the spirit and scope of the present invention, all should be covered by the protection of the patent scope of the present invention application in the range.

Claims (10)

1. a method for fingerprint induction identification, is characterized in that, at least comprises the following steps:

Finger presses is responded on a sensing unit of device for identifying in a fingerprint;

Pressure by this finger presses, on this sensing unit, produces a pressure distribution induced signal of this finger lines, and is sent to an identification unit of this fingerprint induction device for identifying;

By this identification unit reception, this pressure distribution induced signal of identification, to produce a fingerprint characteristic data, and be sent to a microcontroller processor;

Utilize this microcontroller processor that at least more than one the default finger print data in this fingerprint characteristic data and a fingerprint database is compared, be consistent judging whether; And

The default finger print data being consistent if having, this microcontroller processor is sent notification signal to external electronic immediately, makes this external electronic carry out a relative program.

2. according to the method for the fingerprint induction identification of claim 1, it is characterized in that, need first carry out first identification to produce this default finger print data and to be stored in this fingerprint database, the finger print data that can compare in the Shi Caiyou that compares afterwards, in order to follow-up identification success and send this notification signal, its correlation step is as follows:

Finger presses is responded on this sensing unit of device for identifying in this fingerprint;

Pressure by this finger presses, on this sensing unit, produces the pressure distribution induced signal of this finger lines, and is sent to this identification unit of this fingerprint induction device for identifying; And

By this identification unit reception, this pressure sensitive signal of identification, to produce this default finger print data, and be stored in this fingerprint database.

3. according to the method for the fingerprint induction identification of claim 1, it is characterized in that, when comparing this fingerprint characteristic data and having the default finger print data being consistent, this microcontroller processor is in wired or wireless mode, to send this notification signal to this external electronic by a communication unit.

4. according to the method for the fingerprint induction identification of claim 3, it is characterized in that, this wireless mode comprises: third generation Mobile Communications, the 4th generation Mobile Communications, radio, low speed short-distance transmission, bluetooth, Wifi, near-field communication or infrared ray.

5. according to the method for the fingerprint induction identification of claim 1, it is characterized in that, this microcontroller processor and this fingerprint database are to be integrated among this fingerprint induction device for identifying, or are integrated among this external electronic.

6. a device with fingerprint induction identification, is characterized in that, it at least comprises:

One fingerprint induction device for identifying, it comprises:

One sensing unit, the pressure of reception finger presses, to produce a pressure distribution induced signal of this finger lines;

One identification unit, is electrically connected with this sensing unit, receiving, this pressure distribution induced signal of identification, to produce a fingerprint characteristic data;

One microcontroller processor, is electrically connected with this identification unit, and at least more than one the default finger print data in this fingerprint characteristic data and fingerprint database is compared, and meets send a notification signal if having; And

One fingerprint database, this microcontroller processor and this identification unit are electrically connected, to store the plurality of default finger print data; And

One external electronic is to receive this notification signal, to carry out relative program.

7. according to the device with fingerprint induction identification of claim 6, it is characterized in that, more comprise a communication unit, be electrically connected with this microcontroller processor, to send this notification signal to this external electronic by wired or wireless mode.

8. according to the device with fingerprint induction identification of claim 7, it is characterized in that, this communication unit be with: third generation Mobile Communications, the 4th generation Mobile Communications, radio, low speed short-distance transmission, bluetooth, Wifi, near-field communication or this notification signal of the wireless transmission of ultrared mode to this external electronic.

9. according to the device with fingerprint induction identification of claim 7, it is characterized in that, this communication unit is to be connected by wire with this external electronic, to utilize wired mode to send this notification signal to this external electronic.

10. according to the device with fingerprint induction identification of claim 6, it is characterized in that, this microcontroller processor and this fingerprint database system are integrated among this fingerprint induction device for identifying, or are integrated among this external electronic.