CN206282282U - A kind of mouse based on fingerprint recognition - Google Patents
A kind of mouse based on fingerprint recognition Download PDFInfo
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- CN206282282U CN206282282U CN201621327223.XU CN201621327223U CN206282282U CN 206282282 U CN206282282 U CN 206282282U CN 201621327223 U CN201621327223 U CN 201621327223U CN 206282282 U CN206282282 U CN 206282282U
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Abstract
The utility model discloses a kind of mouse based on fingerprint recognition, including mouse body, fingerprint identity validation suitable electronic element；The mouse body is provided with data acquisition window, triggering window, and finger print information acquisition module, finger print information processor, trigger module, gsm communication module are provided with inside mouse body；With reference to sensor technology, mode identification technology, reliability demonstration technology and wireless communication technology, it is designed by supporting body of computer mouse.The utility model is stored and transmits the finger print information of user first, judges that palm is placed on the identity of people on mouse, and the unblock operation to computer desktop is completed according to judgement；The new experience of computer man-machine interaction is enriched, mouse is enhanced as a kind of convenience of computer peripheral equipment.
Description
Technical field
The utility model is related to a kind of mouse based on fingerprint recognition, belongs to technical field of electronic equipment.
Background technology
Thing feature identification technique has been widely applied to field of identity authentication, including fingerprint recognition, recognition of face, vein
Identification and iris recognition etc., wherein more representative with fingerprint recognition.Fingerprint recognition will not be become compared with recognition of face
Change feature and the influence at age；Compared with hand vein recognition and iris recognition, requirement of the fingerprint recognition to collecting device is lower, adopts
Collection process is also more rapid.Fingerprint identification technology turns into one of focus of living things feature recognition application field in recent years.
The application of biometrics identification technology life intelligentized with current fast pace is closely bound up, and mobile phone is used as at first most
The digital product of a large amount of popularizations, its Identity Authentication Mode is the pioneer in this field.The authentication of mobile phone was also in recent years
Fingerprint recognition certification has been transitioned into by traditional manual cipher authentication.The deep development of intellectuality life causes the popularity rate of computer
More and more higher, valuable information is often deposited with the computer of oneself by people, thus also brings the potential safety hazard of flood tide.Electricity
The traditional cryptographic means of brain are usually common key encryption, i.e., directly set password on computers.Such cipher mode certainly will
Cause largely to repeatedly enter secret key, security lags behind this epoch gradually with convenience.In March, 2014, Japanese fuji
It is logical be proposed the whole world first using personal recognition notebook computer.The key core of this technology is one piece and is located at computer bottom right
The scan-type fingerprint Identification sensor at angle, palm is suspended in into sensor upper end when using can just unlock computer.This design is simultaneously
Do not obtain large-scale promotion, reason is that convenience is not good enough and personal recognition sensor high cost.Directly on computers
Although the way for installing identification sensor can reach the purpose that authentication is carried out using biological characteristic, need purposely
Palm is placed on designated area, convenience is not good enough.Meanwhile, fingerprint image to be measured is obtained using scanning, hardware must be increased
Cost.The utility model will develop a kind of computer finger-print identity authorization system by the use of mouse as carrier, and mouse is used as most heavy
Brand-new computer identification authentication mode can be brought with most flexible peripheral hardware with reference to fingerprint recognition encryption technology.
The content of the invention
The utility model aims to provide a kind of mouse based on fingerprint recognition, and biometrics identification technology is applied into mouse
Deng electronics field, the accessible collection using user's fingerprint under mouse situation is mainly solved the problems, such as, gather fingerprint
The storage of data and transmission problem afterwards, the problem for the treatment of with the analysis identification of fingerprint and reliability design of the present utility model with
Checking.
The utility model provides a kind of mouse based on fingerprint recognition, including mouse body, fingerprint identity validation are matched somebody with somebody
Set electronic component；The mouse body is provided with data acquisition window, triggering window, finger print information is provided with inside mouse body and is adopted
Collection module, finger print information processor, trigger module, gsm communication module；The data acquisition window is located at left mouse button side,
Window is transparent, and window generally up concave type, is fitted with thumb tripe；The triggering window is embedded in data acquisition window
It is interior, it is the circular aperture of 1 ~ 3 millimeter of diameter；The finger print information acquisition module includes contact capacitive fingerprint sensor, data
Pre-memory, voltage follower circuit；The fingerprint sensor is arranged on data acquisition window corresponding position, and is pressed against on mouse
Thumb is relative；The data pre-storage reservoir includes modulus conversion chip and storage chip, and storage chip passes through modulus conversion chip
It is connected with fingerprint sensor；The voltage follower circuit is a common collector constituted with triode；At the finger print information
Reason machine is the data handling system based on microprocessor, and finger print information processor is arranged on the rear of mouse, i.e.,：Finger print information
Processor is integrally located at the impetus place to the rear that palm is pressed against mouse naturally, by data pre-storage reservoir and fingerprint sensor phase
Even；The trigger module is set in data acquisition window, and trigger module is the circuit based on photo resistance and current-limiting resistance, should
Module is directly connected with the power supply circuit of fingerprint sensor；The gsm communication module is embedded in mouse, directly and finger print information
Processor is connected, and is controlled by finger print information processor.
Further, the data acquisition window is the bionical window of a species thumb tripe shape, it is characterised in that slightly
Be recessed thumb press preferably.
Further, the triggering window is arranged on the inside of data acquisition window, is uniformly distributed 1 ~ 5 small-sized window,
The independent triggers circuit of each window correspondence.
Further, the collection face of the fingerprint sensor and data acquisition window mouthful are brought into close contact, by acquisition window with
It is pressed against the corresponding contact of thumb of mouse side wall.
The trigger module circuit is that, with photo resistance and circuit of the current-limiting resistance as main devices, current-limiting resistance one end connects
Finger print information processor is connect, photo resistance lamp is connected with current-limiting resistance, photo resistance reduces in the case of insufficient light,
The voltage increase that current-limiting resistance is got, one end output for connecting finger print information processor turns to high level by low level change, so that
Send the instruction for driving finger print acquisition module work.
Whole design power consumption it is maximum be finger print acquisition module, allow fingerprint sensor be constantly in working condition do not meet it is low
The design tradition of power consumption.The part of fingerprint recognition also and do not need one directly be in open state, so need in data acquisition
Trigger module is laid at window.When thumb covers data acquisition window for the first time, triggering starts, and then causes data acquisition module
Start, data acquisition is standby after default N seconds.
The utility model carries out the extraction of fingerprint characteristic using the fingerprint identification method based on chain code, and using based on direction
The matching process of field description is matched, and matching efficiency meets actually used requirement.Fingerprint image can be filtered by Gabor
Method be filtered enhancing.In order to improve the ga s safety degree of feature, by Fingerprint Image Segmentation into 15*15's before feature point extraction
Block of pixels, is emulated with crestal line direction come the direction to each block.By from left to right scanning a width fingerprint image from top to bottom
Picture, obtains the profile of crestal line in fingerprint image.Then, the profile of crestal line is counterclockwise followed the trail of, and the element letter on crestal line
Breath record is in an array.Each outline elements is exactly each pixel on profile.It includes this pixel
X, the slope of pixel or direction and additional information such as curvature etc. on y-coordinate, profile.Information by statistic record is
Can obtain the minutiae point information of fingerprint image.
The reinforcement of reliability is main to pass through repair system algorithm and sensor model realization reasonable in design, and matching is then borrowed
The matching process based on field of direction description is helped to be matched.
The beneficial effects of the utility model：The utility model combination sensor technology, mode identification technology, reliability demonstration
Technology and wireless communication technology, are designed by carrier of computer mouse；The finger print information of user is stored and transmitted first,
Judge that palm is placed on the identity of people on mouse, the unblock operation to computer desktop is completed according to judgement；Enrich the man-machine friendship of computer
Mutual new experience, enhances mouse as a kind of convenience of computer peripheral equipment.
Brief description of the drawings
Fig. 1 is the outside drawing of the utility model mouse.
Data acquisitions and triggering window figure of the Fig. 2 for Fig. 1.
Fig. 3 is the workflow block diagram of the utility model fingerprint recognition.
Fig. 4 is the fingerprint recognition matching flow chart based on chain code.
Fig. 5 is the circuit connection diagram of system.
Fig. 6 is gsm module schematic diagram.
Fig. 7 is triggers circuit total figure.
Fig. 8 is voltage follower circuit figure.
In figure：1- triggers window, 2- data acquisition windows, 3- mouse bodies, 4-TC315GSM, 5-ZIF, 6- identity core
Piece, 7-ATMEGA128 processors, 8-LED indicator lamps, 9-SP3232,10- finger prints processing machine interface, 11- winding displacements, 12- antennas,
13- resistance, 14- photo resistance, 15- operational amplifiers.
Specific embodiment
The utility model is further illustrated below by embodiment, but is not limited to following examples.
Embodiment：
As shown in Fig. 1 ~ 3, a kind of mouse based on fingerprint recognition, including mouse body 3, the supporting electricity of fingerprint identity validation
Subcomponent；The mouse body is provided with data acquisition window 2, triggering window 1, is provided with finger print information inside mouse body 3 and adopts
Collection module, finger print information processor, trigger module, gsm communication module.
The data acquisition window is located at left mouse button side, and window is transparent, and window generally up concave type, with thumb
Finger belly is fitted；The triggering window is embedded in that data acquisition window is intraoral, is the circular aperture of 1 ~ 3 millimeter of diameter；Such as Fig. 1 ~ 2 institute
Show, the data acquisition window 2 is the bionical window of a species thumb tripe shape；The triggering window 1 is arranged on data acquisition
The inside of window, is uniformly distributed 1 ~ 5 small-sized window, the independent triggers circuit of each triggering correspondence of window 1.
The finger print information acquisition module includes fingerprint sensor, data pre-storage reservoir, voltage follower circuit；The fingerprint
Sensor is arranged on data acquisition window corresponding position, relative with the thumb being pressed against on mouse；The data pre-storage reservoir includes
Modulus conversion chip and storage chip, storage chip are connected by modulus conversion chip with fingerprint sensor；The voltage follow
Circuit is a common collector constituted with triode.
The finger print information processor is the data handling system based on microprocessor, based on minimum system, loading
Program based on fingerprint matching algorithm, finger print information processor is integrally located at mouse direction to the rear, by data pre-storage reservoir
It is connected with fingerprint sensor.The trigger module is set in data acquisition window, and trigger module is included with photo resistance and current limliting
Circuit based on resistance, module is connected with the power supply circuit of fingerprint sensor.The gsm communication module is embedded in mouse, directly
Connect and be connected with finger print information processor, by the direct control of finger print information processor.
Further, the trigger module circuit is with photo resistance and circuit of the current-limiting resistance as main devices, current limliting
Resistance one end connects finger print information processor, and photo resistance lamp is connected with current-limiting resistance, the photosensitive electricity in the case of insufficient light
Resistance resistance reduces, the voltage increase that current-limiting resistance is got, and one end of connection finger print information processor exports to be become by low level and turns to
High level, so as to send driving finger print acquisition module.
Operation principle of the present utility model：
Parameter setting succeed and so that trigger module is successfully triggered after, work be mainly owner registration and authentication two
Individual part.The collection master of fingerprint image completes on mouse, acquisition window is provided with mouse inner side thumb pressing, by thumb
Refer to that contact with fingerprint sensor directly takes the fingerprint information.Fingerprint image after collection filters enhancing and base by Gabor
The minutiae point information of fingerprint is extracted in the feature extracting method of chain code, minutiae point information is carried out into shape after fuzzy safety box is encrypted
Into final matched sample.In owner's registration phase, the matched sample that will directly ultimately form regards matching template, in user
Qualify Phase is then matched it with the template of prior warehousing.Directly using the similar of the field of direction description during matching
Degree, similarity is more than certain threshold value it is considered that being true matching.Computer screen, otherwise computer interface will be unlocked after successful match
Will be prompted to warning.By after 3~10 erroneous matchings, mouse will be locked, and send warning message to owner by GSM.
Specific operating method：Template acquisition phase is at the beginning of equipment is run.Machinery or software activation, by software
Set predetermined parameter and register the information of owner.Hand is placed on mouse naturally, thumb covers triggering window, light change
The triggers circuit of mouse is worked, and drive fingerprint collecting circuit to run.Fingerprint sensor will be complete in 0.1 ~ 10 millisecond
Fingerprint image acquisition is finished, and image is sent into finger print information processor, by pretreatment and feature extraction based on chain code
Algorithm tries to achieve the minutiae point information of image, and minutiae point is shown into last matching template by fuzzy safety box encryption.Fingerprint is known
Other flow is similar to collection, and after hand is placed on mouse, thumb covers triggering window, drives sensor collection to work as after triggering
The finger print information of preceding user, sample to be matched is drawn by finger print information processor.Template using advance deposit enters both
Row matching, so that it is determined that the identity of mouse user.Fingerprint recognition matching flow chart as shown in Figure 4.
Claims (5)
1. a kind of mouse based on fingerprint recognition, including mouse body, fingerprint identity validation suitable electronic element；Its feature exists
In：The mouse body be provided with data acquisition window, triggering window, be provided with inside mouse body finger print information acquisition module,
Finger print information processor, trigger module, gsm communication module；
The data acquisition window is located at left mouse button side, and window is transparent, and window generally up concave type, with thumb tripe
Laminating；The triggering window is embedded in that data acquisition window is intraoral, is the circular aperture of 1 ~ 3 millimeter of diameter；
The finger print information acquisition module includes contact capacitive fingerprint sensor, data pre-storage reservoir, voltage follower circuit；Institute
State fingerprint sensor and be arranged on data acquisition window corresponding position, it is relative with the thumb being pressed against on mouse；The data pre-storage storage
Device includes modulus conversion chip and storage chip, and storage chip is connected by modulus conversion chip with fingerprint sensor；The electricity
It is a common collector constituted with triode that pressure follows circuit；
The finger print information processor is the data handling system based on microprocessor, and finger print information processor is arranged on mouse
Rear, be connected with fingerprint sensor by data pre-storage reservoir；
The trigger module is set in data acquisition window, and trigger module includes the electricity based on photo resistance and current-limiting resistance
Road, the module is directly connected with the power supply circuit of fingerprint sensor；
The gsm communication module is embedded in mouse, is directly connected with finger print information processor, by finger print information processor control
System.
2. the mouse based on fingerprint recognition according to claim 1, it is characterised in that：The data acquisition window is a kind of
The bionical window of class thumb tripe shape.
3. the mouse based on fingerprint recognition according to claim 1, it is characterised in that：The triggering window is arranged on data
The inside of acquisition window, is uniformly distributed 1 ~ 5 small-sized window, the independent triggers circuit of each window correspondence.
4. the mouse based on fingerprint recognition according to claim 1, it is characterised in that：The collection face of the fingerprint sensor
It is brought into close contact with data acquisition window mouthful, is contacted by the way that acquisition window is corresponding with the thumb for being pressed against mouse side wall.
5. the mouse based on fingerprint recognition according to claim 1, it is characterised in that：The trigger module circuit is with light
Quick resistance and current-limiting resistance are the circuit of main devices, current-limiting resistance one end connection finger print information processor, photo resistance lamp with
Current-limiting resistance is connected, and photo resistance reduces in the case of insufficient light, and the voltage increase that current-limiting resistance is got, connection refers to
One end output of line processor turns to high level by low level change, and the finger of finger print acquisition module work is driven so as to send
Order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327223.XU CN206282282U (en) | 2016-12-06 | 2016-12-06 | A kind of mouse based on fingerprint recognition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327223.XU CN206282282U (en) | 2016-12-06 | 2016-12-06 | A kind of mouse based on fingerprint recognition |
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| Publication Number | Publication Date |
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| CN206282282U true CN206282282U (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621327223.XU Active CN206282282U (en) | 2016-12-06 | 2016-12-06 | A kind of mouse based on fingerprint recognition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106503532A (en) * | 2016-12-06 | 2017-03-15 | 西安电子科技大学 | A kind of mouse and its using method based on fingerprint recognition |
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2016
- 2016-12-06 CN CN201621327223.XU patent/CN206282282U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106503532A (en) * | 2016-12-06 | 2017-03-15 | 西安电子科技大学 | A kind of mouse and its using method based on fingerprint recognition |
| CN106503532B (en) * | 2016-12-06 | 2020-04-28 | 西安电子科技大学 | Mouse based on fingerprint identification and use method thereof |
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