CN205158487U - Biological identification entrance guard's equipment - Google Patents
Biological identification entrance guard's equipment Download PDFInfo
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- CN205158487U CN205158487U CN201520934298.3U CN201520934298U CN205158487U CN 205158487 U CN205158487 U CN 205158487U CN 201520934298 U CN201520934298 U CN 201520934298U CN 205158487 U CN205158487 U CN 205158487U
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Abstract
The utility model discloses a biological identification entrance guard's equipment belongs to the biological identification field, and this equipment includes the casing, is provided with processing module in the casing, processing module be connected with storage module, interface module, rotatable certain angle image gathering module, near -infrared light filling module, visible light light filling indicating module, display module, prevent tearing open alarm module, sound module, ranging module and card swiping module, the casing includes preceding shell, mesochite and backshell, and the one end of preceding shell articulates on the mesochite through the damping axle, the circuit board sets up between mesochite and backshell, and image gathering module sets up the inboard middle part of shell in the front, and visible light light filling indicating module sets up around image gathering module, shows the module setting outside upper end of shell in the front, the module setting inboard lower extreme of shell in the front of punching the card. The self -service terminal is wide in application range. And various functions. Human -computer interaction is convenient, it is rationally distributed, accord with human engineering, convenient operation, safe and reliable, easy maintenance.
Description
Technical field
The utility model relates to field of biological recognition, refers to a kind of bio-identification access control equipment especially.
Background technology
Social informatization development in recent years, require to improve constantly to the safety and stability of information, people's unique physiological characteristic inherently or behavioural characteristic is utilized to carry out the application of authentication more and more extensive, industry-by-industry is more and more favored in adopting biometrics identification technology to replace original password, REID to distinguish identity, for access control, work attendance etc.These physiological characteristics or behavioural characteristic comprise face, fingerprint, iris, palmmprint, person's handwriting and voice etc.
Existing bio-identification access control equipment ubiquity function singleness, narrow application range, and the shortcoming such as man-machine interaction is unfriendly.
Utility model content
The utility model provides a kind of bio-identification access control equipment, and this equipment is applied widely; Diverse in function; Man-machine interaction is convenient; Rationally distributed, meet ergonomics, easy to operate; Safe and reliable, easy to maintenance.
For solving the problems of the technologies described above, the utility model provides technical scheme as follows:
A kind of bio-identification access control equipment, comprises housing, is provided with processing module in described housing; Described processing module is connected with memory module, interface module, the image capture module of rotatable certain angle, near infrared supplementary lighting module, visible ray light filling/indicating module, display module, dismantling-proof alarming module, sound module, range finder module and module of swiping the card;
Described housing comprises fore shell, mesochite and back cover, and one end of described fore shell is hinged on described mesochite by damping shaft, and the other end of described fore shell is fixed together by screw and described mesochite, and described back cover is fixed together by screw and described mesochite; The main circuit board of described bio-identification access control equipment is arranged between described mesochite and back cover, described image capture module is arranged on the middle inside of described fore shell, described visible ray light filling/indicating module is arranged on around described image capture module, described display module is arranged on the outer upper end of described fore shell, described in swipe the card the inside lower end of module installation at described fore shell.
The utility model has following beneficial effect:
The utility model is applied widely; Image capture module of the present utility model can turn an angle, and like this when being suspended on wall by bio-identification access control equipment, by regulating the angle of image capture module, can meet the demand of the user of different height.
The utility model diverse in function, image capture module of the present utility model can carry out light filling by near infrared supplementary lighting module when gathering iris image, visible ray light filling/indicating module light filling can be passed through when gathering facial image, dismantling-proof alarming module can be subject to malice dismounting at bio-identification access control equipment and destroy alarm, range finder module can measure the distance value of user and bio-identification access control equipment, for follow-up process or point out, module of swiping the card can carry out identification certification by swiping the card, further, can also use and to swipe the card and biological characteristic is combined and identified the mode of operation etc. of certification.
The utility model man-machine interaction is convenient; Visible ray light filling/indicating module of the present utility model can carry out man-machine interaction by the flicker of light and color etc. with user, and display module can carry out man-machine interaction by display with user, and sound module can carry out man-machine interaction by sound and user.
The utility model is rationally distributed, meets ergonomics, easy to operate; Display module of the present utility model is arranged on the outer upper end of fore shell, because present display module generally all has touch function, user does not generally need Operation display module when certification identification, and the outer upper end that therefore display module is arranged on fore shell can avoid user misoperation; Image capture module is arranged on the middle inside of fore shell, and the user of different height can be facilitated to use; Visible ray light filling/indicating module is arranged on the front of image capture module, light filling or prompting can be carried out well, and what general people were accustomed to focuses on light source place by sight, like this when gathering facial image and iris image, face and human eye can be made just to image capture module; To swipe the card the inside lower end of module installation at fore shell, can user card punching be facilitated; The inside lower end that sound module and range finder module are preferably arranged on fore shell facilitates user; Circuit board is arranged between mesochite back cover, protection circuit plate.
The utility model is safe and reliable, easy to maintenance; Dismantling-proof alarming module of the present utility model can prevent malice from removing and destroy; And, in the utility model, one end of fore shell, be preferably lower end or two ends, left and right, be hinged on mesochite by damping shaft, the other end is fixed together by screw and mesochite, like this, only need turn on screw and fore shell is rotated to an angle along damping shaft, can housing be opened, conveniently equipment overhauled or arrange.Because one end of fore shell is hinged on mesochite by damping shaft, therefore, it is possible to fore shell comes off rapidly to equipment impact and pulls injury when preventing fore shell from opening.
In sum, bio-identification access control equipment of the present utility model is applied widely; Diverse in function; Man-machine interaction is convenient; Rationally distributed, meet ergonomics, easy to operate; Safe and reliable, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of an embodiment of bio-identification access control equipment of the present utility model;
Fig. 2 is the structural drawing of an embodiment of bio-identification access control equipment of the present utility model;
Fig. 3 is the schematic diagram that Fig. 2 opens an embodiment after fore shell;
Fig. 4 is the schematic diagram of an embodiment of socket screw in the utility model;
Fig. 5 is the expansion schematic diagram of an embodiment of photoelectric sensor in the utility model and baffle plate;
Fig. 6 is the schematic diagram of an embodiment of the annexation of processing module in the utility model and image capture module;
Fig. 7 is the position relationship schematic diagram one of image capture module in the utility model and near infrared supplementary lighting module;
Fig. 8 is the position relationship schematic diagram two of image capture module in the utility model and near infrared supplementary lighting module;
Fig. 9 is the schematic diagram of an embodiment of visible ray light filling/indicating module in the utility model;
Figure 10 is the schematic diagram of another embodiment of visible ray light filling/indicating module in the utility model;
Figure 11 is the schematic diagram of an embodiment of dismantling-proof alarming module in the utility model;
Figure 12 is the schematic diagram of another embodiment of dismantling-proof alarming module in the utility model;
Figure 13 is the process flow diagram of an embodiment of the method for work of bio-identification access control equipment of the present utility model;
Figure 14 is the process flow diagram of another embodiment of the method for work of bio-identification access control equipment of the present utility model.
Embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model embodiment provides a kind of bio-identification access control equipment, as shown in Figure 1 to Figure 3, comprises housing 1, is provided with processing module 21 in housing 1; Processing module 21 is connected with memory module 22, interface module 23, the image capture module 3 of rotatable certain angle, near infrared supplementary lighting module 4, visible ray light filling/indicating module 5, display module 6, dismantling-proof alarming module 7, sound module 8, range finder module 9 and module 10 etc. of swiping the card;
Housing 1 comprises fore shell 11, mesochite 12 and back cover 13, and one end of fore shell 11 is hinged on mesochite 12 by damping shaft 20, and the other end of fore shell 11 is fixed together by screw 14 and mesochite 12, and back cover 13 is fixed together by screw and mesochite 12; The main circuit board 2 of bio-identification access control equipment is arranged between mesochite 12 and back cover 13, image capture module 3 is arranged on the middle inside of fore shell 11, visible ray light filling/indicating module 5 is arranged on image capture module 3 around, display module 6 is arranged on the outer upper end of fore shell 11, module of swiping the card 10 is arranged on the inside lower end of fore shell 11, sound module 8 and range finder module 9 can be arranged on the inner side of fore shell 11, are preferably arranged on the inside lower end of fore shell 11.
In the utility model embodiment, all parts that housing is biological recognition access control system equipment provides to install and supports and protect inner element, and housing comprises fore shell, mesochite and back cover.Placement of images acquisition module, near infrared supplementary lighting module, visible ray light filling/indicating module, display module, sound module, range finder module and module etc. of swiping the card on fore shell; Mesochite and back cover arrange dismantling-proof alarming module etc., protects the parts such as main circuit board simultaneously; Back cover protection bio-identification access control equipment, and bio-identification access control equipment can be installed on body of wall.
Processing module is CPU or MCU etc., and for performing the instructions of bio-identification access control equipment, preferred process module integration is on main circuit board.
Memory module is storer, and be preferably NandFlash, for storing program and the data of bio-identification access control equipment, preferred memory module is integrated on main circuit board.
Interface module comprises communication interface and power interface, communication interface comprises USB interface, Ethernet interface, serial communication interface and gate inhibition's interface (Wiegand signal interface) etc., power interface is that biological recognition access control system equipment is powered, and preferable interface module integration is on main circuit board.
Image capture module is used for gathering image, comprise and gather camera lens, imageing sensor and corresponding circuit etc., image capture module is preferably arranged on the middle inside of fore shell, and the middle inside of fore shell has window, is convenient to image capture module and rotates when gathering image.
Visible ray light filling/indicating module uses the intensity of illumination of visible ray adjusting ambient, the switch of visible ray, brightness change and color change etc. can also be used to indicate user, comprise one or more visible ray light compensating lamp (LED etc.) and corresponding circuit etc., visible ray light filling/indicating module is preferably arranged on around image capture module.
Near infrared supplementary lighting module is used for needing to carry out light filling when gathering near-infrared image, and comprise one or more infrared light compensating lamp and corresponding circuit etc., near infrared supplementary lighting module is preferably arranged on below or the both sides of image capture module.
Display module is used for the image that display image capture module in real time collects, export the recognition result of bio-identification access control equipment, and carry out man-machine interaction etc. with user, comprise display screen and corresponding circuit, display module is preferably arranged on the outer upper end of fore shell.
Dismantling-proof alarming module is used for reporting to the police when bio-identification access control equipment is subject to illegal dismounting and destroys, and comprises the sensor of the key position being arranged on bio-identification access control equipment and corresponding circuit.
Sound module is for exporting the recognition result of bio-identification access control equipment, user is pointed out, send alarm sound etc., comprise loudspeaker, microphone and corresponding circuit, sound module is preferably arranged on the inside lower end of fore shell, and the inside lower end of fore shell is provided with the structure that sound outlet etc. coordinates with sound module.
Range finder module is for measuring the distance of user and bio-identification access control equipment, and comprise range sensor and corresponding circuit, range finder module is preferably arranged on the inside lower end of fore shell, and the inside lower end of fore shell is provided with the structures such as the window coordinated with range finder module.
Module of swiping the card is for reading the information of user ID card, and comprise reader device and corresponding circuit, module of swiping the card preferably is arranged on the inside lower end of fore shell.
Main circuit board is topmost circuit board in bio-identification access control equipment; processing module, memory module and interface module etc. are arranged on main circuit board; certainly other image capture module, near infrared supplementary lighting module, visible ray light filling/indicating module, display module, dismantling-proof alarming module, sound module, range finder module and module etc. of swiping the card also have corresponding circuit board; main circuit board is arranged between mesochite and back cover, is subject to the protection of mesochite and back cover.
The present embodiment is applied widely; The image capture module of the present embodiment can turn an angle, and like this when being suspended on wall by bio-identification access control equipment, by regulating the angle of image capture module, can meet the demand of the user of different height.
The present embodiment diverse in function, the image capture module of the present embodiment can carry out light filling by near infrared supplementary lighting module when gathering iris image, collection facial image (can certainly be other biological image, here only for 2 examples) time can pass through visible ray light filling/indicating module light filling, dismantling-proof alarming module can be subject to malice dismounting at bio-identification access control equipment and destroy alarm, range finder module can measure the distance value of user and bio-identification access control equipment, for follow-up process or point out, module of swiping the card can carry out identification certification by swiping the card, further, can also use and to swipe the card and biological characteristic is combined and identified the mode of operation etc. of certification.
The present embodiment man-machine interaction is convenient; Visible ray light filling/the indicating module of the present embodiment can carry out man-machine interaction by the flicker of light and color etc. and user, and (man-machine interaction comprises and points out user to carry out certain action or export identifying authentication result etc., lower same), display module can carry out man-machine interaction by display with user, and sound module can carry out man-machine interaction by sound and user.
The present embodiment is rationally distributed, meets ergonomics, easy to operate; The display module of the present embodiment is arranged on the outer upper end of fore shell because present display module generally all has touch function, user (here and context mention user refer to common user, do not comprise keeper; Domestic consumer is without the need to Operation display module, and keeper, when arranging, needs Operation display module sometimes) generally do not need Operation display module when certification identification, the outer upper end that therefore display module is arranged on fore shell can avoid user misoperation; Image capture module is arranged on the middle inside of fore shell, and the user of different height can be facilitated to use; Visible ray light filling/indicating module is arranged on the front of image capture module, light filling or prompting can be carried out well, and what general people were accustomed to focuses on light source place by sight, like this when gathering facial image and iris image, face and human eye can be made just to image capture module; To swipe the card the inside lower end of module installation at fore shell, can user card punching be facilitated; The inside lower end that sound module and range finder module are preferably arranged on fore shell facilitates user; Circuit board is arranged between mesochite back cover, protection circuit plate.
The present embodiment is safe and reliable, easy to maintenance; The dismantling-proof alarming module of the present embodiment can prevent malice from removing and destroy; And, in the present embodiment, one end of fore shell, be preferably lower end or two ends, left and right, be hinged on mesochite by damping shaft, the other end is fixed together by screw and mesochite, like this, only need turn on screw and fore shell is rotated to an angle along damping shaft, can housing be opened, conveniently equipment overhauled or arrange.Because one end of fore shell is hinged on mesochite by damping shaft, therefore, it is possible to when preventing fore shell from opening fore shell come off rapidly (when the lower end of fore shell is hinged on mesochite by damping shaft) to equipment impact and pull injury.
In sum, the bio-identification access control equipment of the present embodiment is applied widely; Diverse in function; Man-machine interaction is convenient; Rationally distributed, meet ergonomics, easy to operate; Safe and reliable, easy to maintenance.
Further, as shown in Figure 2, Figure 3 and Figure 4, screw is preferably socket screw, the bottom of socket screw 14 is provided with annular groove 141, annular groove 141 is provided with C shape snap ring 142, fore shell 11 is provided with the open-work matched with socket screw 14, the bottom of open-work is provided with the annular protrusion for blocking C shape snap ring 142, mesochite 12 is provided with the threaded hole 16 matched with socket screw 14; Socket screw 14 is arranged with spring 143, one end of spring 143 is resisted against the head of socket screw 14, and the other end is resisted against on annular protrusion.
A part for mesochite 12 can as fender, and as shown in Figure 3,15 is fender, and fender can avoid image capture module in the process of rotating, circuit board and other devices be arranged on mesochite to be caused to friction, damage.Circuit board and other devices are fixed on mesochite and back cover by socket screw, if have like this people's malicious sabotage circuit board or other be arranged on element on mesochite, first must open fore shell, then the socket screw of fixing mesochite and back cover is unloaded, add the difficulty destroying inner member and circuit so to a certain extent, further increase security.
Compare plain screw (as in-line, cruciform screw), socket screw (depression of socket screw is here irregular shape) must use specific purpose tool just can open, the element and circuit etc. of malicious sabotage inside can be prevented to a certain extent, further improve security.
During use, injected by socket screw in threaded hole, then overlapped into from the inside by C shape snap ring, be installed on annular groove, such screw will be blocked, and fore shell and mesochite is secured together.After unscrewing socket screw, the annular protrusion bottom open-work can block C shape snap ring, and socket screw can be made like this can not to be separated with fore shell, and socket screw can be avoided to lose.
Spring can make the connection of socket screw more fastening, and one end of spring is resisted against the head of socket screw, and the other end is resisted against on annular protrusion, is convenient to install.
Preferably, the head of socket screw can be indent quadrilateral or indent pentagon or indent hexagon.
One as each embodiment above-mentioned is improved, as shown in Figure 3, image capture module 3 can (side be inwardly semicolumn for cylindricality, side is outwardly plane), its two ends are hinged on the middle inside of fore shell 11 by rotation axis, and the outer middle side part of fore shell 11 is provided with the angle adjusting button 31 controlling image capture module 3 and rotate; The inner side of mesochite 12 is provided with multiple photoelectric sensor 32, image capture module 3 is provided with the baffle plate 33 corresponding with multiple photoelectric sensor 32, when image capture module 3 rotate to upper end extreme position, lower end extreme position and centre position time, multiple photoelectric sensor 32 exports respectively and represents the signal of this position.
During use, controlling image capture module by pressing angle adjusting button rotates (certainly, in identification verification process, also can be rotated as acquisition module by processing module automated control chart), the relative position of baffle plate and photoelectric sensor can change, the signal that photoelectric sensor exports is also just different, when image capture module rotates to upper end extreme position, when lower end extreme position and centre position, the signal that multiple photoelectric sensor exports forms different combinations, represent these positions respectively, so can obtain the turned position (i.e. angle) of image capture module.The present embodiment structure is simple, without the need to using complicated mechanical limit structure, easy to use; And the turned position of the unlike signal determination image capture module that the present embodiment can export according to sensor, conveniently adjusts image capture module.
Further, (Fig. 5 is the expansion schematic diagram of photoelectric sensor and baffle plate as shown in Figure 5, along the rotor shaft direction being laterally image capture module, be vertically the circumferencial direction of image capture module), photoelectric sensor 32 comprises the first photoelectric sensor 321, second photoelectric sensor 322 and the 3rd photoelectric sensor 323, baffle plate comprises the first baffle plate 331, second baffle 332 and third gear plate 333, first baffle plate 331, second baffle 332 and third gear plate 333 corresponding first photoelectric sensor 321 respectively, second photoelectric sensor 322 and the 3rd photoelectric sensor 323, first photoelectric sensor 321 is arranged on upper end extreme position, second photoelectric sensor 322 and the 3rd photoelectric sensor 323 are arranged on lower end extreme position, the height of second baffle 332 is greater than the height of the first baffle plate 331 and third gear plate 333, the angle in upper end extreme position and lower end extreme position and centre position is 30 °.
The present embodiment uses three photoelectric sensors and three baffle plates to represent upper end extreme position, lower end extreme position and centre position, in the present embodiment, the length of the first baffle plate, second baffle and third gear plate is less than the spacing of the first photoelectric sensor and the second photoelectric sensor/the 3rd photoelectricity sensor, and preferably the first baffle plate is identical with the length of third gear plate in the present embodiment, the length of second baffle is greater than the length of the first baffle plate and third gear plate, the height of the first baffle plate is greater than the height of third gear plate, and the height of second baffle is greater than the height of the first baffle plate.When photoelectric sensor is blocked by baffle plate, export as high level 1, when not being blocked, output low level 0, when the output of the first photoelectric sensor, the second photoelectric sensor and the 3rd photoelectric sensor is 100 (in Fig. 5 shown in b), the first photoelectric sensor is blocked by the first baffle plate, and the second photoelectric sensor is not blocked by second baffle, 3rd photoelectric sensor is not blocked by second baffle, is now upper end extreme position; When output is 001 (in Fig. 5 shown in c), being lower end extreme position, when output is 010 (in Fig. 5 shown in d), is centre position.The present embodiment makes adjustment process simple and convenient.
In the present embodiment, first baffle plate is identical with third gear plate length, second baffle length is greater than the first baffle plate and third gear plate length, and second baffle height is greater than the height of the first baffle plate and third gear plate, when second baffle is just otherwise when blocking the second photoelectric sensor, third gear plate just blocks the 3rd photoelectric sensor, so also has the critical localisation (in Fig. 5 shown in e) of 011, facilitates follow-up adjustment.Such as, when resetting, according to current position control rotatable parts, making it arrive critical localisation, the position that namely three photoelectric sensors export when being 011 just, is then that stepper motor rotates up some steps (preferably 10 steps) again and namely arrives centre position, as shown in Figure 5, when second baffle just blocks the second photoelectric sensor, third gear plate also just blocks the 3rd photoelectric sensor (again next step and just can't stop), and now exporting is 011.
Another kind as each embodiment above-mentioned improves, as shown in Figure 6, image capture module 3 comprises iris of left eye image acquisition units 301, iris of right eye image acquisition units 302, man face image acquiring unit 303 and scene image collecting unit 304, the data terminal of processing module 21 is through data selector 305 and iris of left eye image acquisition units 301, iris of right eye image acquisition units 302, man face image acquiring unit 303 is connected with the data terminal of scene image collecting unit 304 (data selector is interior at one time only allows an image acquisition units to be connected to processing module), the gating control end of the gating control end connection data selector switch 305 of processing module 21.
Processing module in the utility model embodiment is generally CPU or MCU, and processing module includes camera unit, serial data end, parallel data end, I/O port and clock pins etc.Data selector (dataselector) is sometimes referred to as MUX or multiplexer (multiplexer), it can according to given gate control signal, selects the combinational logic circuit that of specifying delivers to output terminal from one group of input signal.
General processing module, especially MCU, its camera unit less (mostly being 1-2), be difficult to the situation meeting multiple collecting unit, therefore our usage data selector switch carries out time-sharing multiplex.
The data selector of the present embodiment comprises multi-group data interface, wherein one group as output terminal, the data terminal of connection handling module, other groups are as input end, (input end of data selector and output terminal do not have strict definition, and which group is received in processing module, and which group is exactly output terminal to connect the data terminal of multiple collecting unit respectively, be set to output terminal by programming, other groups are set to input end); The gating control end of processing module is exactly export gate control signal I/O interface in fact, the gating control end of data selector is exactly address pins in fact, by the gate control signal that processing module sends, a certain group of data-interface conducting of control data selector switch, other group data-interfaces disconnect, and the collecting unit that this group data-interface connects just can carry out data transmission with processing module.
The present embodiment can connect multiple collecting unit on of a processing module utilizing camera interface, gathers multiway images, and by standby for the collecting unit of non-gating, can reduce power consumption.
Preferably, the image capture module of the present embodiment comprises iris of left eye image acquisition units, iris of right eye image acquisition units, man face image acquiring unit and scene image collecting unit, and for the certification recognition method of iris+face, use procedure is as follows:
Iris recognition process, comprising:
Processing module passes through I by selector switch poll to each collecting unit
2c bus carries out initialization, makes each collecting unit be in normal operating condition.
Processing module sends address signal to data selector, and the K1 in data selector closes, and iris of left eye image acquisition units is linked in bus, gathers iris of left eye image, iris of left eye image can be presented on display module simultaneously.
Processing module sends address signal to data selector, and the K2 in data selector closes, and iris of right eye image acquisition units is linked in bus, gathers iris of right eye image, iris of right eye image can be presented on display module simultaneously.
Iris of left eye image and iris of right eye image is used to carry out identification certification successively.If two eyes certifications are simultaneously passed through, enter follow-up face recognition process; If two eyes are not all by repeating above-mentioned iris recognition process; If only have an eyes certification to pass through, another eyes do not pass through, and can repeat above-mentioned iris recognition process, but only unsanctioned eyes of certification, so just save unnecessary identifying procedure, save time, improve authentication efficiency.
Face recognition process, comprising:
Processing module sends address signal to data selector, and the K3 in data selector closes, and man face image acquiring unit is linked in bus, gathers facial image, facial image can be presented on display module simultaneously.
Facial image is used to carry out identification certification.Certification preserves process by then carrying out follow-up scene picture; If authentification failure, without switch data selector switch, only need Resurvey face picture to carry out showing and certification, also contribute to saving time, raise the efficiency and speed.
Process preserved by scene picture, comprising:
Processing module sends address signal to data selector, and the K4 in data selector closes, and scene image collecting unit is linked in bus, gathers scene image, scene image can be presented on display module simultaneously and also can be saved in memory module.
The present embodiment first carries out iris recognition, then carries out recognition of face, finally carries out the preservation of scene picture, in fact not strict order, also can have the embodiment of other orders.
Further, frame synchronizing signal end and the line synchronizing signal end of processing module are connected frame synchronizing signal end and the line synchronizing signal end of iris of left eye image acquisition units, iris of right eye image acquisition units, man face image acquiring unit and scene image collecting unit respectively through data selector.
When carrying out data transmission, need the transmission judging when to start and terminate whole image, this just needs frame synchronizing signal, frame synchronizing signal is that processing module sends, each collecting unit of image capture module, after receiving frame synchronizing signal, starts to prepare transmitting image, after again receiving frame synchronizing signal, terminate the transmission of image, the frame synchronizing signal end of processing module connects the frame synchronizing signal end of each collecting unit through data selector.Frame synchronizing signal can avoid the mistake of image transmitting, and can judge image whether end of transmission by frame synchronizing signal.
In the transmitting procedure of piece image, need the transmission judging when to start image a line, this just needs line synchronizing signal, line synchronizing signal is that processing module sends, each collecting unit (prerequisite have received frame synchronizing signal) after receiving line synchronizing signal of image capture module, start the one-row pixels preparing transmitting image, after again receiving line synchronizing signal, the next line pixel of transmitting image, the line synchronizing signal end of processing module connects the line synchronizing signal end of multiple collecting unit through data selector.Line synchronizing signal can avoid the mistake of image transmitting further.
As another improvement of each embodiment above-mentioned, as shown in Figure 7 and Figure 8 (42 be human eye, 43 be cornea, 44 be pupil, 45 for iris), near infrared supplementary lighting module 4 comprises at least one near infrared light compensating lamp 41, near infrared light compensating lamp 41 is arranged on below and/or the side of image capture module 3, and the radiation direction of near infrared light compensating lamp 41 and optical axis direction angle (the being designated as θ) scope of image capture module 3 are 4 °-16 °.
To gather iris image,, the light A1 that near infrared light compensating lamp 41 is launched irradiates human eye 42, because eye cornea 43 surface curvature is very large, the light A2 that light A1 reflects through cornea 43 enters in image capture module 3, thus forms the iris region that hot spot likely blocks human eye.The near infrared light compensating lamp 41 of the present embodiment design is arranged by specific position, makes to be in outside iris texture region by the hot spot that cornea 43 reflects, thus does not block iris, do not affect iris recognition effect.
Common people's cornea radius of curvature R is 7.8mm, pupil diameter d
1be about 1-9mm, iris diameter d
2be about 10-12mm, and between cornea and iris and pupil, spacing is very little, ignore, therefore, pupil region is relative to the subtended angle half-angle θ of CC herein
10meet: sin θ
10=(d
1/ 2)/R, in like manner, iris region is relative to the subtended angle half-angle θ of CC
20meet: sin θ
20=(d
2/ 2)/R, as calculated, 3.7 °≤θ
10≤ 35 °, 40 °≤θ
20≤ 50.3 °, as 3.7 °≤θ
10when≤35 °, the hot spot of corneal reflection is in pupil region, as 40 °≤θ
20when≤50.3 °, the hot spot of corneal reflection is in sclera region.Therefore, as long as 3.7 °≤θ≤35 ° or 40 °≤θ≤50.3 °, can ensure that the hot spot of corneal reflection is in outside iris texture region.In the present embodiment, if image capture module 3 is L with the distance of human eye, image capture module 3 is D with the distance of near infrared light compensating lamp 41, then have D=Ltan θ, when θ is larger, D also increases thereupon, namely when image capture module 3 is certain with human eye distance L, the increase of θ can make image capture module 3 and near infrared light compensating lamp 41 distant, easily causes the volume of equipment excessive, therefore, for meeting the requirement of device miniaturization, in the present embodiment, preferably, 4 °≤θ≤35 ° are adopted.
Because pupil is under the impact of light intensity, contraction in various degree or amplification can be carried out, when ambient light is more weak, pupil expands, and when light is stronger, pupil contraction, when pupil expands, when θ meets 4 °≤θ≤35 °, the hot spot of corneal reflection can be made to be in pupil region, iris recognition effect can not be affected, and when pupil contraction, when θ meets 4 °≤θ≤35 °, the hot spot part of corneal reflection is then easily caused to be in iris region, therefore, in order to avoid the power of ambient light is on the impact of iris recognition effect, preferably, θ is made to meet 4 °≤θ≤16 °.
The present embodiment is when carrying out iris recognition, and user does not need oneself adjustment angle, low to the requirement of user, without the need in order to make reflection ray not enter image capture module, near infrared light compensating lamp is arranged larger inclination angle, and the volume caused increases yet.Therefore, the present embodiment has the advantages that volume is little, structure is simple, easy to use.
Consider on-the-spot iris image acquiring demand difference and in order to realize the factors such as good light filling, near infrared light compensating lamp 41 can be one or more than one, and near infrared light compensating lamp 41 is positioned at the left side of image capture module 3, right side or below.
As another improvement of each embodiment above-mentioned, as shown in Figure 9 and Figure 10, visible ray light filling/pilot lamp 5 comprises light guide plate 51 and is arranged on the LED 52 around light guide plate 51, offer open-work 53 in the middle of light guide plate 51, the top of light guide plate 51 is provided with light-shielding sheet 54 thus forms annular light district 55 around open-work 53; Visible ray light filling/pilot lamp 5 front is provided with the concave mirror 56 for feedback user position.In figure, 57 is the collection camera lens in image capture module.
The present embodiment is provided with light-shielding sheet around open-work thus defines annular light indicator above light guide plate, like this when using the present embodiment to gather biometric image, collection case for lense in image capture module is trapped among centre by whole visible ray light filling/pilot lamp, such human eye can take into account the instruction situation of pilot lamp by remaining light when seeing collection camera lens, facilitate user to adjust and find best collection position accurately, light filling effect can also be played in annular light indicator simultaneously, improves the acquisition quality of biometric image.
Annular light indicator can be annulus, elliptical ring, track type ring or square ring or other shapes closed, and in light guide plate, the surrounding of open-work is provided with light-shielding sheet.Light guide plate is not established the part of light-shielding sheet coordinate with open-work and define annular light indicator.Wherein the area of guide-lighting paper is larger, and the annular light indicator of formation is less, and the area of guide-lighting paper is less, and the annular light indicator of formation is larger.
The concave mirror of the present embodiment can play positioning action, to gather iris image, when user watches concave mirror attentively, according to the collection distance of imaging optical system, the size of object space scope, concave mirror and shape (circular or oval), the radius-of-curvature of adjustment concave mirror and position, make when user is in optimal acquisition distance just, oneself eye image that user sees from concave mirror is the most clear; When user is not in optimal acquisition distance, oneself eye image that user sees from concave mirror is fuzzy, unintelligible.Can conveniently adjust the position making user adjust self like this.Concave mirror is preferably arranged on the front (on namely above-mentioned open-work) gathering camera lens.
Further, the printing of the bottom surface of light guide plate 51 is provided with light guiding points layer 58, and outside light guiding points layer 58, the front of light guide plate 51 and side be provided with reflective sheeting 59; Light guide plate 51 is acrylic board, and its shape can be rectangle, and open-work 53 can be track type, and the both sides of light guide plate 51 are respectively arranged with two for placing the light trough of LED, and LED 52 is the square LED of paster or straight cutting LED or bar-shaped LED lamp.
Light guide plate is preferably rectangle, and the open-work of light guide plate can be track type, and the both sides of light guide plate are respectively arranged with two for placing the light trough of LED.This structure is simple, and placing four LED can strengthen light further.Pilot lamp can be arranged on two sides of light guide plate or four sides all can, two sides and four sides of corresponding light guide plate are provided with corresponding light trough.
Light guiding points is stamped at the bottom surface UV screen printing technology of light guide plate.The light utilizing light guide plate to draw to send from both sides pilot lamp is in the stop of light guide plate surface, and when light is mapped to each light guiding points, reflected light toward all angles diffusion, then can destroy conditioned reflex and penetrated by light guide plate front.By highlight not of uniform size, light guide plate uniformly light-emitting can be made.And reflective sheeting can the light that spills of part be reflected back in light guide plate, be used for strengthening the light in light guide plate.
Light guide plate can adopt acryl plates.Such light guide plate adopts LED around to add the form design of acryl plates, utilizes the acryl plates of optical grade, with having high reflectivity and the hitech materials of not extinction, stamps light guiding points at the acryl plates bottom surface UV screen printing technology of optical grade.Utilize optical grade acryl plates to draw the stop of light on optical grade acryl plates surface sent from both sides pilot lamp, when light is mapped to each light guiding points, reflected light toward all angles diffusion, then can destroy conditioned reflex and is penetrated by light guide plate front.By highlight not of uniform size, light guide plate uniformly light-emitting can be made.
For the ease of being placed in light guide plate by LED, the surrounding of light guide plate is preferably provided with the light trough for placing LED, and based on the principle of light guide plate, LED can be the square LED of paster or straight cutting LED or bar-shaped LED lamp.Light can be made so more sufficient, reflection evenly, the light of so annular light indicator is more evenly soft, can improve the acquisition quality of biometric image further, thus improves the percent of pass of biological identification identification.
As another improvement of each embodiment above-mentioned, as shown in figure 11, dismantling-proof alarming module 7 comprises the first microswitch 71 and the second microswitch 72, first microswitch 71 and to be arranged on inside mesochite 12 and to extrude by fore shell 11, and the second microswitch 72 to be arranged on outside back cover 13 and to extrude by body of wall.
When fore shell is closed, the first microswitch is to the extruding force of fore shell, and the first microswitch presses down, and is in on-state, and now, processing module recognizes equipment and is installed to normal condition, sends the order of normal work to other operational modules.When fore shell is maliciously opened, fore shell is to the distress resolves of the first microswitch, and the first microswitch disconnects, and now processing module receives the disconnection information of the first microswitch, carries out report to the police (sound or light prompt etc.).
When bio-identification access control equipment is installed on smooth body of wall, second microswitch can be subject to the expulsive force of body of wall, and microswitch presses down, and microswitch is in on-state, processing module recognizes equipment and is installed to normal condition, sends the order of normal work to other operational modules.When equipment is removed from body of wall by malice, now the expulsive force of body of wall disappears, and the second microswitch button ejects instantaneously, and the second microswitch disconnects, now processing module receives the disconnection information of the second microswitch, carries out report to the police (sound or light prompt etc.).The present embodiment structure is simple, practical, stability is high, and security is good.
Further, as is illustrated by figs. 11 and 12, the first microswitch 71 and the second microswitch 72 are the two ends of a two-way switch 73, and two-way switch 73 is penetratingly arranged on mesochite 12 and back cover 13; First microswitch and the second microswitch adopt integrated design, and compared with employing split-type design, the present embodiment improves the space availability ratio in equipment, designs simple and direct.
Two-way switch 73 comprises shell 74, the two ends of shell 74 are provided with the first press-side 75 and the second press-side 76, shell 74 inside is provided with spring 77 between the first press-side 75 and the second press-side 76, drop owing to causing button when spring flicks to prevent the button of press-side, first press-side 75 and the second press-side 76 are provided with button disconnecting prevention structure, button disconnecting prevention structure can for be arranged on button and can to block the various structures such as the outstanding cylinder of press-side, wherein:
Shell 74 inside is provided with the first contact plate 75 ' in the side of the first press-side 75, first press-side 75 is provided with the first dynamic Contact end 75 for coordinating with the first contact plate 75 ' ", the first contact plate 75 ' and the first dynamic Contact end 75 " form two links of the first microswitch 71.
Wherein, first dynamic Contact end and the first contact plate can be the normal opening structure shown in Figure 12, namely when the first press-side is squeezed and is pressed, first dynamic Contact end and the first contact plate depart from, report to the police and be not triggered, when the first press-side is not squeezed and ejects, the first dynamic Contact end is be connected with the first contact plate, trigger alarm; The normally closed structure contrary with above-mentioned normal opening structure can also be adopted, namely when the first press-side is squeezed and is pressed, first dynamic Contact end and the first contact plate are in succession, report to the police and be not triggered, when the first press-side is not squeezed and ejects, first dynamic Contact end and the first contact plate depart from, trigger alarm, and above two kinds of triggering modes all can realize the technique effect of the present embodiment.
Shell 74 inside is provided with the second contact plate 76 ' in the side of the second press-side 76, second press-side 76 is provided with the second dynamic Contact end 76 for coordinating with the second contact plate 76 ' ", the second contact plate 76 ' and the second dynamic Contact end 76 " form two links of the second microswitch 72.The structure of the secondth microswitch is identical with the first microswitch with working method.
As another improvement of each embodiment above-mentioned, sound module 8 comprises the loudspeaker for exporting sound and the microphone for typing sound, range finder module 9 comprises range sensor, if desired, bio-identification access control equipment can also comprise the optical sensor of testing environment illumination intensity, interface module comprises power interface and communication interface, and communication interface comprises USB interface, Ethernet interface, serial communication interface and gate inhibition's interface; The inner side of mesochite 12 is provided with shift knob 121, for making the rotary enable button 122 of image capture module and standby power supply.The present embodiment has enriched the function of bio-identification access control equipment further.
On the other hand, the utility model embodiment provides a kind of method of work of above-mentioned arbitrary bio-identification access control equipment, (Figure 14 only gives the example of iris recognition as shown in figure 14, the utility model embodiment can also use other biological characteristic to identify, as recognition of face etc.):
Range finder module is used to obtain the distance value of user and bio-identification access control equipment; In this step, range finder module detects the distance value of user and bio-identification access control equipment in real time, for follow-up.
Judge whether the distance value of user and bio-identification access control equipment meets collection requirement, if not, prompting user adjustment and bio-identification access control equipment distance, until the distance value of user and bio-identification access control equipment meets collection requirement.
Judge whether the angle of image capture module meets collection requirement, if not, prompting user regulates image capture module, makes it turn an angle, until the angle of image capture module meets collection requirement.
Gather biometric image.
Judge that whether the biometric image collected is qualified, if so, use biometric image to carry out certification, otherwise, repeat above-mentioned steps.
Judge that whether certification is successful or overtime, if so, authentication output result, otherwise, go to the step using range finder module to obtain the distance value of user and bio-identification access control equipment.
The utility model embodiment is easy to use, and user can regulate and the distance value of bio-identification access control equipment and the angle regulating image capture module easily according to prompting, and man-machine interaction is reasonable.
The utility model embodiment is applied widely, and user can regulate the angle of image capture module, gathers the biometric image of different height user.
In sum, the utility model embodiment is easy to use, and man-machine interaction is reasonable, applied widely.
Based on above-described embodiment, after judging whether the distance value of user and bio-identification access control equipment meets and gather and require, judge the angle of image capture module whether meet gather require before can also comprise:
The gating control end of processing module sends gate control signal to data selector, makes data selector that iris of left eye image acquisition units, iris of right eye image acquisition units, man face image acquiring unit or scene image collecting unit are connected to processing module.
The utility model embodiment can use multiple biological characteristic to identify, for face+iris recognition, first iris recognition is carried out, iris of left eye image acquisition units is connected to processing module according to the gate control signal of processing module by data selector, perform above-mentioned step, carry out the certification of iris of left eye image, then iris of right eye image acquisition units is connected to processing module according to the gate control signal of processing module by data selector, perform above-mentioned step, carry out the certification of iris of right eye image; Certainly, also can unified certification again after having gathered iris of left eye image and iris of right eye image; Then man face image acquiring unit is connected to processing module according to the gate control signal of processing module by data selector, performs above-mentioned step, carries out the certification of facial image; Scene image collecting unit is connected to processing module according to the gate control signal of processing module by final data selector switch, performs above-mentioned step, is preserved by scene image, consults so that follow-up.
The utility model embodiment can use multiple biological characteristic to carry out certification, applied widely, and certification accuracy is high.
In the above embodiments, when using a certain biological characteristic to carry out certification, can by various modes, concrete, as shown in figure 13 (Figure 13 only gives the example of iris recognition, and the utility model embodiment can also use other biological characteristic to identify, as recognition of face etc.), use after range finder module obtains the distance value of user and bio-identification access control equipment, judge the distance value of user and bio-identification access control equipment whether meet gather require before can also comprise:
Processing module judges that the distance value of user and bio-identification access control equipment is whether in preset range, if, judge that the recognition mode pre-set is first mode, the second pattern or the 3rd pattern, otherwise, go to the step using range finder module to obtain the distance value of user and bio-identification access control equipment;
If first mode, then go to the distance value judging user and bio-identification access control equipment and whether meet the step gathering and require, use aforesaid method to carry out certification.
If the second pattern, then perform following steps:
Use module of swiping the card carries out swiping the card certification, passes through, then go to the distance value judging user and bio-identification access control equipment and whether meet the step gathering and require if swipe the card, and uses first mode to carry out certification; Otherwise, reuse module of swiping the card and carry out the step identified of swiping the card.The security of the second pattern is higher than first mode.
If the 3rd pattern, then perform following steps:
Go to the distance value judging user and bio-identification access control equipment and whether meet the step gathering and require, use first mode to carry out certification;
If certification is unsuccessful in official hour, then goes to use module of swiping the card and carry out swiping the card certification, use the second pattern to carry out certification.
3rd pattern can intuitivism apprehension be: first use first mode to carry out certification, if first mode certification is not passed through within the regular hour, then think and need to improve the security of certification, then use second pattern carries out certification.
Three above-mentioned patterns can be arranged as required flexibly, in the occasion that security requirement is higher, can select the second pattern, in the occasion that security requirement is not harsh, can select first mode, automatically identify, then can select the 3rd pattern if consider.Such as, when on and off duty registering, the second pattern can be selected, when the midway that is on duty goes out to return, can first mode be selected.
The utility model embodiment can use various modes to carry out certification, flexibly and easily, and improves the security of certification.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (12)
1. a bio-identification access control equipment, comprises housing, it is characterized in that, is provided with processing module in described housing; Described processing module is connected with memory module, interface module, the image capture module of rotatable certain angle, near infrared supplementary lighting module, visible ray light filling/indicating module, display module, dismantling-proof alarming module, sound module, range finder module and module of swiping the card;
Described housing comprises fore shell, mesochite and back cover, and one end of described fore shell is hinged on described mesochite by damping shaft, and the other end of described fore shell is fixed together by screw and described mesochite, and described back cover is fixed together by screw and described mesochite; The main circuit board of described bio-identification access control equipment is arranged between described mesochite and back cover, described image capture module is arranged on the middle inside of described fore shell, described visible ray light filling/indicating module is arranged on around described image capture module, described display module is arranged on the outer upper end of described fore shell, described in swipe the card the inside lower end of module installation at described fore shell.
2. bio-identification access control equipment according to claim 1, it is characterized in that, described screw is socket screw, the bottom of described socket screw is provided with annular groove, described annular groove is provided with C shape snap ring, described fore shell is provided with the open-work matched with described socket screw, the bottom of described open-work is provided with the annular protrusion for blocking described C shape snap ring, described mesochite is provided with the threaded hole matched with described socket screw; Described socket screw is arranged with spring, and one end of described spring is resisted against the head of described socket screw, and the other end is resisted against on described annular protrusion.
3. bio-identification access control equipment according to claim 1, it is characterized in that, described image capture module is cylindricality, and its two ends are hinged on the middle inside of described fore shell by rotation axis, and the outer middle side part of described fore shell is provided with the angle adjusting button controlling described image capture module and rotate; The inner side of described mesochite is provided with multiple photoelectric sensor, described image capture module is provided with the baffle plate corresponding with described multiple photoelectric sensor, when described image capture module rotate to upper end extreme position, lower end extreme position and centre position time, described multiple photoelectric sensor exports respectively and represents the signal of this position.
4. bio-identification access control equipment according to claim 3, it is characterized in that, described photoelectric sensor comprises the first photoelectric sensor, second photoelectric sensor and the 3rd photoelectric sensor, described baffle plate comprises the first baffle plate, second baffle and third gear plate, described first baffle plate, second baffle and third gear plate be corresponding described first photoelectric sensor respectively, second photoelectric sensor and the 3rd photoelectric sensor, described first photoelectric sensor is arranged on described upper end extreme position, described second photoelectric sensor and the 3rd photoelectric sensor are arranged on described lower end extreme position, the height of described second baffle is greater than the height of described first baffle plate and third gear plate, the angle in described upper end extreme position and lower end extreme position and centre position is 30 °.
5. bio-identification access control equipment according to claim 1, it is characterized in that, described image capture module comprises iris of left eye image acquisition units, iris of right eye image acquisition units, man face image acquiring unit and scene image collecting unit, the data terminal of described processing module is connected through the data terminal of data selector with described iris of left eye image acquisition units, iris of right eye image acquisition units, man face image acquiring unit and scene image collecting unit, and the gating control end of described processing module connects the gating control end of described data selector.
6. bio-identification access control equipment according to claim 5, it is characterized in that, frame synchronizing signal end and the line synchronizing signal end of described processing module are connected frame synchronizing signal end and the line synchronizing signal end of described iris of left eye image acquisition units, iris of right eye image acquisition units, man face image acquiring unit and scene image collecting unit respectively through described data selector.
7. bio-identification access control equipment according to claim 1, it is characterized in that, described near infrared supplementary lighting module comprises at least one near infrared light compensating lamp, described near infrared light compensating lamp is arranged on below and/or the side of described image capture module, and the radiation direction of described near infrared light compensating lamp and the optical axis direction angular range of described image capture module are 4 °-16 °.
8. bio-identification access control equipment according to claim 1, it is characterized in that, described visible ray light filling/pilot lamp comprises light guide plate and is arranged on the LED around described light guide plate, offer open-work in the middle of described light guide plate, the top of described light guide plate is provided with light-shielding sheet thus forms annular light district around described open-work; Described visible ray light filling/pilot lamp front is provided with the concave mirror for feedback user position.
9. bio-identification access control equipment according to claim 8, is characterized in that, the printing of the bottom surface of described light guide plate is provided with light guiding points layer, and outside described light guiding points layer, the front of described light guide plate and side be provided with reflective sheeting; Described light guide plate is acrylic board, and its shape is rectangle, and described open-work is track type, and the both sides of described light guide plate are respectively arranged with two for placing the light trough of LED, and described LED is the square LED of paster or straight cutting LED or bar-shaped LED lamp.
10. bio-identification access control equipment according to claim 1, it is characterized in that, described dismantling-proof alarming module comprises the first microswitch and the second microswitch, described first microswitch is arranged on inside described mesochite and also extrudes by described fore shell, and described second microswitch also extrudes by body of wall with being arranged on outside described back cover.
11. bio-identification access control equipments according to claim 10, is characterized in that, described first microswitch and the second microswitch are the two ends of a two-way switch, and described two-way switch is penetratingly arranged on described mesochite and back cover; Described two-way switch comprises shell, the two ends of described shell are provided with the first press-side and the second press-side, described enclosure is provided with spring between described first press-side and the second press-side, and described first press-side and the second press-side are provided with button disconnecting prevention structure, wherein:
Described enclosure is provided with the first contact plate in the side of described first press-side, described first press-side is provided with the first dynamic Contact end for coordinating with described first contact plate, described first contact plate and the first dynamic Contact end form two links of described first microswitch;
Described enclosure is provided with the second contact plate in the side of described second press-side, described second press-side is provided with the second dynamic Contact end for coordinating with described second contact plate, described second contact plate and the second dynamic Contact end form two links of described second microswitch.
12. bio-identification access control equipments according to claim 1, it is characterized in that, described sound module comprises loudspeaker and microphone, described range finder module comprises range sensor, described interface module comprises power interface and communication interface, and described communication interface comprises USB interface, Ethernet interface, serial communication interface and gate inhibition's interface; The inner side of described mesochite is provided with shift knob, for making the rotary enable button of image capture module and standby power supply.
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|---|---|---|---|
| CN201520934298.3U CN205158487U (en) | 2015-11-20 | 2015-11-20 | Biological identification entrance guard's equipment |
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| CN201520934298.3U CN205158487U (en) | 2015-11-20 | 2015-11-20 | Biological identification entrance guard's equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105354904A (en) * | 2015-11-20 | 2016-02-24 | 北京天诚盛业科技有限公司 | Biological recognition entrance guard device, and working method thereof |
| CN106780875A (en) * | 2016-12-07 | 2017-05-31 | 深圳市万睿智能科技有限公司 | A kind of recognition of face gate inhibition integrated apparatus and its recognition methods |
| CN109598823A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | Identity recognition device and personal identification method based on multisensor |
| CN110832554A (en) * | 2017-04-05 | 2020-02-21 | 睿能创意公司 | Carrier operating system and correlation method thereof |
| WO2021159830A1 (en) * | 2020-02-11 | 2021-08-19 | 支付宝(杭州)信息技术有限公司 | Electronic apparatus assembly and gate apparatus |
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2015
- 2015-11-20 CN CN201520934298.3U patent/CN205158487U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105354904A (en) * | 2015-11-20 | 2016-02-24 | 北京天诚盛业科技有限公司 | Biological recognition entrance guard device, and working method thereof |
| CN106780875A (en) * | 2016-12-07 | 2017-05-31 | 深圳市万睿智能科技有限公司 | A kind of recognition of face gate inhibition integrated apparatus and its recognition methods |
| CN110832554A (en) * | 2017-04-05 | 2020-02-21 | 睿能创意公司 | Carrier operating system and correlation method thereof |
| CN109598823A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | Identity recognition device and personal identification method based on multisensor |
| CN109598823B (en) * | 2017-09-30 | 2021-01-15 | 宁波方太厨具有限公司 | Identity recognition method based on multiple sensors |
| WO2021159830A1 (en) * | 2020-02-11 | 2021-08-19 | 支付宝(杭州)信息技术有限公司 | Electronic apparatus assembly and gate apparatus |
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