CN104847179B - The safety door opened by hand vein recognition - Google Patents
The safety door opened by hand vein recognition Download PDFInfo
- Publication number
- CN104847179B CN104847179B CN201510268890.9A CN201510268890A CN104847179B CN 104847179 B CN104847179 B CN 104847179B CN 201510268890 A CN201510268890 A CN 201510268890A CN 104847179 B CN104847179 B CN 104847179B
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- Prior art keywords
- locking bar
- vein
- housing
- control device
- door
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of safety door opened by hand vein recognition, the door body being hinged including doorframe and with doorframe, vein identification device is provided with the door body, and it is provided with opening device in the joint portion of door body and doorframe, the vein identification device includes control device, be connected with control device for the input device for typing vein image that gathers the venous collection device of vein distribution map and be connected with control device, the opening device includes the housing in door body, it is movably connected on the irony locking bar in housing, it is fixedly connected on the drive device for being used to drive locking bar to pass in and out doorframe in housing, the drive device is electromagnetic actuator device or motor driver.The features such as present invention has safe, structure and good simple to operate, easy to use, stability.
Description
【Technical field】
The present invention relates to door, without lockhole on more particularly to a kind of door, the high security not opened the lock with the key by quiet
The safety door that arteries and veins identification is opened.
【Background technology】
With the raising that people's security protection is realized, requirement also more and more higher of the people for door security.At present, people use
A fan antitheft door is installed additional to improve security, and door lock still uses traditional spring lock, IC card lock, digital cipher lock etc., this
Though the security of door can be improved to a certain extent, have a disadvantage in that, 1) installing double door, not only cost is high, and installed
Journey is complicated；2) traditional lock with reproducibility due to making its security low.Therefore, people have started to research and utilization human body
Biological characteristic carries out the safety door of identity security identification.At present, though fingerprint is locked a door has applied, and its security can be improved,
But have a disadvantage in that：Existing Fingerprint Lock is typically additionally provided with a set of key unlocking device simultaneously, and it can force to unlock by key,
Make its fingerprint identification function by a definite limitation；Fingerprint is had in addition, fingerprint is locked a door during unlocking directly to contact with fingerprint region, this
Sample is very unhygienic；On the other hand, when finger surface scratch, abrasion, it is contaminated, dry or overly wet when, easily cause identification hinder
Hinder, less stable.
【The content of the invention】
Present invention seek to address that above mentioned problem, and it is good by vein to provide a kind of safe, simple in construction, stability
Recognize the safety door opened.
To realize the purpose of the present invention, the invention provides a kind of safety door opened by hand vein recognition, including doorframe
And the door body being hinged with doorframe, vein identification device is provided with the door body, and in the joint portion of door body and doorframe provided with opening
Opening device, the vein for being used to gather vein distribution map that the vein identification device includes control device, is connected with control device
Harvester and the input device for typing vein image being connected with control device, the opening device include being located at door body
On housing, the irony locking bar that is movably connected in housing, be fixedly connected on the drive for being used to drive locking bar to pass in and out doorframe in housing
Dynamic device, the drive device is electromagnetic actuator device or motor driver, wherein, the electromagnetic actuator device input with
The output end electrical connection of control device, output signal triggering and the locking bar of the controlled device of electromagnetic actuator device output end are inhaled
Close and drive locking bar to move；The motor driver input is electrically connected with the output end of control device, the motor driving
Device output end is connected with locking bar.
The venous collection device is located at the hull outside of outer side of door, and the venous collection device is obtained including vein image
Device and LED/light source, the vein image acquisition device are infrared C CD cameras, and the LED/light source is obtained located at vein image
Take above device, the LED/light source is infrared LED light source.
The control device includes the storage device of the vein distribution map for being pre-stored user, for handling vein figure
The single-chip microcomputer of picture and the signal output apparatus for output signal, the storage device input are connected with input device, output
End is connected with single-chip microcomputer, and the signal output apparatus input is connected with single-chip microcomputer, and the signal output apparatus output end is with driving
Dynamic device input is connected.
The control device is provided with electronic timing self-lock switch, and the electronic timing self-lock switch is connected with drive device.
The input device includes display, operation button and venous collection device, and the display and operation button are set
In the hull outside in door, the display and operation button are connected with control device.
It is formed with the housing in the cavity of installing locking bar, the inner walls of the cavity both sides and is arranged with two guiding
Groove, the locking bar both sides are arranged with two guide pads being slidably matched with guide groove.
The locking bar includes the body of rod and connecting portion, and the body of rod is fixed on connecting portion one end center, and the connecting portion is one
Side is provided with the tubular body of opening, and the motor driver includes motor, gear train and rotating shaft, and the motor is rotating electricity
Machine, the gear train include mounted in the motor output end driving gear and engaged in rotating shaft and with driving gear from
Moving gear.
The rotating shaft is scalariform bent axle, the gear shaft and connecting portion of two vertical portions of the rotating shaft respectively with driven gear
The length of horizontal component between connection, the vertical portion of rotating shaft two is the 1/2 of locking bar stroke.
Side of the connecting portion of the locking bar away from the body of rod is provided with the first spring, and first spring one end is consolidated with connecting portion
Fixed connection, the other end is fixed on inner walls.
The electromagnetic actuator device includes electromagnet and second spring, and the electromagnet input is connected with control device,
Described second spring one end is connected with electromagnet, and the other end is connected with locking bar.
The contribution of the present invention is that it is efficiently solved, and conventional door security is poor, complicated, unhandy problem.
The present invention by human vein biological characteristic --- vein identification device is unlocked on the door, and by electromagnetic actuator device or
Motor driver realizes being turned on and off for door lock, thus has safe, structure and simple to operate, easy to use, steady
Qualitative good the features such as.
【Brief description of the drawings】
Fig. 1 is the outer side of door structural representation of the present invention.
Fig. 2 is the door inside structure schematic diagram of the present invention.
Fig. 3 is the electromagnetic actuator device lock-out state structural representation of the present invention.
Fig. 4 is the electromagnetic actuator device unlock state structure diagram of the present invention.
Fig. 5 is the motor driver lock-out state structural representation of the present invention.
Fig. 6 is the motor driver unlock state structure diagram of the present invention.
Fig. 7 is the vein identification device structured flowchart of the present invention.
【Embodiment】
The following example is being explained further and supplementing to the present invention, and the present invention is not limited in any way.
Refering to Fig. 1, Fig. 3 and Fig. 7, the safety door that hand vein recognition of the invention is opened, including doorframe 10, door body 20, vein
Identifying device 30 and opening device 40.
As shown in Figure 1 and Figure 2, doorframe 10 of the invention is fixed on wall, provided with the chamber for accommodating locking bar 41 in doorframe 10
Body.Door body 20 is hinged with doorframe 10, and vein identification device 30 is provided with door body 20, is set in door body 20 and the joint portion of doorframe 10
There is opening device 40.
As shown in fig. 7, being provided with vein identification device 30 in door body 20, the vein identification device 30 is filled including venous collection
Put 31, control device 32 and input device 33.Wherein, venous collection device 31 is connected with control device 32, for gathering vein
Distribution map, it includes vein image acquisition device 311 and LED/light source 312, and vein image acquisition device 311 is used to obtain human body
Vein distribution map, in the present embodiment, vein image acquisition device 311 is infrared C CD cameras, and LED/light source 312 is located at quiet
The top of arteries and veins image acquiring device 311, for irradiating in human body, the present embodiment, LED/light source 312 is infrared LED light source.It is quiet
Arteries and veins harvester 31 can refer to venous collection device, palm vein harvester, one kind of hand back vein harvester, this reality
Apply in example, venous collection device 31 is finger venous collection device.Control device 32 includes storage device 321, single-chip microcomputer 322, letter
Number output device 323 and electronic timing self-lock switch 324.Wherein, storage device 321 is used for the vein for being pre-stored user's typing
Distribution map.Single-chip microcomputer 322 is connected with storage device 321, for the vein image of the typing of input device 33 and venous collection to be filled
The vein image analyzing and processing for putting 31 collections obtains vein biometric feature, and the vein biometric feature has uniqueness and stability.
The input of signal output apparatus 323 is connected with analytical equipment 322, and its output end is connected with the input of drive device 42, is used for
Output signal.The input of electronic timing self-lock switch 324 is connected with single-chip microcomputer 322, and its output end is connected with drive device 42,
Self-locking after a period of time is opened for locking.Input device 33 is connected with control device 32, for the vein image of typing user,
It includes display 331, operation button 332 and venous collection device 31, wherein, display 331 and operation button 332 are located at door
The outside of housing 43 of inner side, display and operation button are connected with control device.It is quiet when the first typing vein image of user
Arteries and veins harvester 31 gathers the vein image of user, and display 331 shows the vein image of collection, by operating button
The operations such as 332 selection storages, replacement, confirmation, and vein image is saved in storage device 321.
As shown in Figure 3, Figure 4, opening device 40 is provided with the joint portion of door body 20 and doorframe 10, the opening device 40 includes
Housing 43 in door body 20, the irony locking bar 41 being movably connected in housing 43, being fixedly connected in housing 43 is used to drive
The drive device 42 that dynamic locking bar 41 is moved left and right.The cavity 211 of installing locking bar 41 is formed with housing 43, the two of cavity 211
Two guide grooves 212 are arranged with the inwall of side body 43, locking bar 41 is moved along guide groove 212 in cavity 211.In outer side of door
The outer surface of housing 43 is provided with vein image acquisition device 311, the vein distribution map for obtaining human body, the present embodiment, vein
Image acquiring device 311 is infrared C CD cameras, and LED/light source 312 is located at the top of vein image acquisition device 311, for shining
Penetrate in human body, the present embodiment, LED/light source 312 is infrared LED light source.The outer surface of side body 43 is provided with display in door
331 and operation button 332, display and operation button are connected with control device, and display 331 is for showing the figure of typing vein
Picture, operation button 332 is provided with the input button such as replacement, preservation, confirmation.People's sliding door for convenience, in the outer surface of housing 43
It is additionally provided with handle.Locking bar 41 is provided with the cavity 211 of housing 43, the locking bar 41 is the locking bar of irony, and it is shaped as cylinder
Body or cuboid, two guide pads 413 are arranged with the both sides of locking bar 41, the guide pad 413 and the guide groove 212 in housing 43
It is slidably matched, under the driving of drive device 42, locking bar 41 is in the presence of guide pad 413 along guide groove 212 in cavity 211
Horizontally slip.
In another embodiment as shown in Figure 5, Figure 6, locking bar 41 includes the body of rod 411 and connecting portion 412, wherein, the body of rod 411
Be shaped as cylinder or cuboid, its be fixedly connected on the one end of connecting portion 412 center, connecting portion 412 be side be provided with opening
414 tubular body, two guide pads 413 are arranged with the both sides of connecting portion 412, and the guide pad 413 matches with guide groove 212
Close, under the driving of drive device 42, along guide groove 212, left and right is sliding in cavity 211 in the presence of guide pad 413 for locking bar 41
It is dynamic.The first spring 415, the one end of the first spring 415 and company are provided with the one end of connecting portion 412 away from the body of rod 411 of locking bar 41
Socket part 412 is fixedly connected, and the other end is fixed on the inwall of housing 43.The first spring 415 in the present embodiment can not only make locking bar 41
Preferably it is fixed in housing 43, when locking bar 41 needs to pin, also locking bar 41 is made using the compression stress of the first spring 415
With being conducive to locking bar 41 to pin.
As shown in Figure 3, Figure 4, it is provided with housing 43 in drive device 42, the present embodiment, the drive device 42 is electromagnetism
Drive device 421, the electromagnetic actuator device 421 is arranged in housing 43, and its input is connected with control device 32, electromagnetic drive
The controlled device 33 of the output end of device 421 output signal triggering with the adhesive of locking bar 41 and drive locking bar 41 to move.The present embodiment
In, electromagnetic actuator device 421 includes electromagnet 4211 and second spring 4212, the input and control device of the electromagnet 4211
32 signal output apparatus 323 is connected, and the one end of second spring 4212 is connected with electromagnet 4211, and the other end is connected with locking bar 41.
Under the irradiation of LED/light source 312, when vein image acquisition device 311 senses the positions such as finger or palm, vein image is obtained
Take device 311 to gather vein and shoot into vein picture, vein image acquisition device 311 transmits the vein distribution picture of acquisition
Into control device 32, control device 32 passes through the vein distribution picture of collection in single-chip microcomputer 322 and storage device 321 in advance
The vein distribution map of storage is compared, as shown in figure 4, when comparing successfully, the signal output apparatus 323 of control device 32 to
Electromagnetic actuator device 421 sends drive signal, electromagnet 4211 is obtained electric energy, produces magnetic field, under the active force in magnetic field, lock
Bar 41 moves right in the case where the guide pad 413 of its both sides is acted on along the guide groove 212 in housing 43 in cavity 211, makes locking bar
41 remove out of doorframe 10 cavity, and electromagnet 4211 is pulled together, and now second spring 4212 is in compressive state, realize
The purpose of unlocking.As shown in figure 3, when control device 32 obtains vein image, electronic timing self-lock switch 324 starts simultaneously,
When the time reaching setting value, single-chip microcomputer 322 sends signal, electronic timing self-lock switch 324 to electronic timing self-lock switch 324
By the dump of electromagnet 4211, then electromagnet 4211 loses magnetism, now compression second spring 4212 compression stress
Under effect, locking bar 41 in the case where the guide pad 413 of its both sides is acted on along the guide groove 212 in housing 43 in the cavity 211 to moving to left
It is dynamic, until entering in the cavity of doorframe 10, locking bar 41 is separated with electromagnet 4211, realize the purpose of self-locking, now second spring
4212 are in free state.As shown in figure 3, when the vein image and storage device 321 of the collection of vein image acquisition device 312 are pre-
When the vein image first stored is mismatched, signal output apparatus 33 can not obtain output signal, then electromagnet 4211 can not be obtained
Electric energy, electromagnet 4211 can not produce magnetic field, then locking bar 41 remains static, it is impossible to realize the purpose unlocked.
In embodiment as shown in Figure 5, Figure 6, drive device 42 is motor driver 422, the motor driver
422 include motor 4221, gear train 4222 and rotating shaft 4223.Wherein, motor 4221 is clockwise and anticlockwise motor, and the motor 4221 is fixed
In in housing 43, gear train 4222 include mounted in the driving gear of the output end of motor 4221 and in rotating shaft 4223 and with actively
The driven gear of gear engagement.Rotating shaft 4223 is scalariform bent axle, two vertical portions of the rotating shaft 4223 respectively with driven gear
Gear shaft and connecting portion 412 are connected, and the length of the horizontal component between 4223 liang of vertical portions of rotating shaft is the 1/ of the stroke of locking bar 41
2.Under the irradiation of LED/light source 312, when vein image acquisition device 311 senses finger or palm, vein image obtains dress
Put 311 collection veins and shoot into vein picture, the vein distribution picture of acquisition is sent to control by vein image acquisition device 311
In device 32 processed, the vein of collection is distributed picture by analytical equipment 322 with being deposited in advance in storage device 321 by control device 32
The vein distribution map of storage is compared, as shown in fig. 6, when comparing successfully, and the signal output apparatus 323 of control device 32 is to electricity
Machine actuating device 422 sends drive signal, starts motor 4221 and rotates, and the driving gear of motor 4221 is driven in rotating shaft 4223
Driven gear is rotated, so as to drive rotating shaft 4223 to rotate.It is perpendicular in rotating shaft 4223 when the horizontal component of rotating shaft 4223 rotates 180 °
Under the drive of straight part, locking bar 42 is in the case where the guide pad 413 of its both sides of connecting portion 412 is acted on along the guide groove 212 in housing 43
Moved right in cavity 211, locking bar 41 is removed out of doorframe 10 cavity, realize the purpose unlocked, now the first spring 415
In compressive state.As shown in figure 5, when control device 32 obtains vein image, electronic timing self-lock switch 324 is opened simultaneously
Dynamic, when the time reaching setting value, single-chip microcomputer 322 sends signal, electronic timing self-lock switch to electronic timing self-lock switch 324
324, by the signal opposite to motor 4221, invert motor 4221, the driving gear of motor 4221 drive in rotating shaft 4223 from
Moving gear is rotated, so as to drive rotating shaft 4223 to rotate.When the horizontal component of rotating shaft 4223 rotates 180 ° in the opposite direction,
Under the drive of the vertical portion of rotating shaft 4223 and in the presence of the elastic force of the first spring 415, locking bar 41 is led its both sides of connecting portion 412
It is moved to the left under being acted on to block 413 along the guide groove 212 in housing 43 in cavity 211, until enter in the cavity of doorframe 10, it is real
The purpose of existing self-locking, now the first spring 415 is in free state.As shown in figure 5, when vein image acquisition device 312 is gathered
The vein image that prestores of vein image and storage device 321 when mismatching, signal output apparatus 323 can not be exported
Signal, then motor 4221 can not obtain electric energy, motor 4221 does not start, then locking bar 41 remains static, it is impossible to realize unlock
Purpose.
Taking this, the present invention realizes the biological characteristic by human vein --- vein identification device 30 is opened on the door
Lock, the open and close for realizing door lock are driven by electromagnetic actuator device 421 or motor driver 422 to locking bar 41,
Self-locking is realized by electronic timing self-lock switch 324, the present invention has safe, and easy to operate, simple in construction, stability is good
The features such as.
Although being disclosed by above example to the present invention, protection scope of the present invention is not limited thereto,
Under conditions of without departing from present inventive concept, deformation, replacement that each component is done to more than etc. will fall into the right of the present invention
In claimed range.
Claims (9)
1. a kind of safety door opened by hand vein recognition, including doorframe (10) and the door body (20) that is hinged with doorframe (10), its
It is characterised by, vein identification device (30) is provided with the door body (20), and in door body (20) and the joint portion of doorframe (10)
Provided with opening device (40), the use that the vein identification device (30) includes control device (32), is connected with control device (32)
In the venous collection device (31) of collection vein distribution map and the record for typing vein image being connected with control device (32)
Enter device (33), the opening device (40) includes being located at the housing (43) in door body (20), is movably connected in housing (43)
Irony locking bar (41), be fixedly connected on the drive device for being used in housing (43) drive locking bar (41) to pass in and out doorframe (10)
(42), the drive device (42) be electromagnetic actuator device (421) or motor driver (422), wherein, the electromagnetic drive
Device (421) input is electrically connected with the output end of control device (32), and electromagnetic actuator device (421) output end is controlled
The output signal triggering of device (32) and locking bar (41) adhesive and drive locking bar (41) mobile；The motor driver (422)
Input is electrically connected with the output end of control device (32), and motor driver (422) output end is connected with locking bar (41),
It is right on the cavity (211) of installing locking bar (41), housing (43) inwall of cavity (211) both sides to be formed with the housing (43)
Claim provided with two guide grooves (212), locking bar (41) both sides are arranged with two guiding being slidably matched with guide groove (212)
Block (413).
2. the safety door as claimed in claim 1 opened by hand vein recognition, it is characterised in that the venous collection device
(31) located at outer side of door housing (43) on the outside of, the venous collection device (31) include vein image acquisition device (311) and
LED/light source (312), the vein image acquisition device (311) is infrared C CD cameras, and the LED/light source (312) is located at
Above vein image acquisition device (311), the LED/light source (312) is infrared LED light source.
3. the safety door as claimed in claim 1 opened by hand vein recognition, it is characterised in that control device (32) bag
Include the storage device (321) of the vein distribution map for being pre-stored user, the single-chip microcomputer (322) for handling vein image and
For the signal output apparatus (323) of output signal, storage device (321) input is connected with input device (33), defeated
Go out end with single-chip microcomputer (322) to be connected, signal output apparatus (323) input is connected with single-chip microcomputer (322), and the signal is defeated
Go out device (323) output end with drive device (42) input to be connected.
4. the safety door as claimed in claim 1 opened by hand vein recognition, it is characterised in that the control device (32) sets
There is electronic timing self-lock switch (324), the electronic timing self-lock switch (324) is connected with drive device (42).
5. the safety door as claimed in claim 1 opened by hand vein recognition, it is characterised in that input device (33) bag
Include display (331), operation button (332) and venous collection device (31), the display (331) and operation button (332)
On the outside of housing (43) on the inside of door, the display (331) and operation button (332) are connected with control device (32).
6. the safety door as claimed in claim 1 opened by hand vein recognition, it is characterised in that the locking bar (41) includes bar
Body (411) and connecting portion (412), the body of rod (411) are fixed on connecting portion (412) one end center, and the connecting portion (412) is
Side be provided with opening (414) tubular body, the motor driver (422) include motor (4221), gear train (4222) and
Rotating shaft (4223), the motor (4221) is clockwise and anticlockwise motor, and the gear train (4222) includes being mounted in the motor (4221)
The driving gear of output end and the driven gear engaged in rotating shaft (4223) and with driving gear.
7. the safety door as claimed in claim 6 opened by hand vein recognition, it is characterised in that the rotating shaft (4223) is rank
Shape bent axle, two vertical portions of the rotating shaft (4223) are connected with the gear shaft and connecting portion (412) of driven gear respectively, described
The length of horizontal component between the vertical portion of rotating shaft (4223) two is the 1/2 of locking bar (41) stroke.
8. the safety door as claimed in claim 6 opened by hand vein recognition, it is characterised in that the connection of the locking bar (41)
Side of the portion (412) away from the body of rod (411) is provided with the first spring (415), described first spring (415) one end and connecting portion
(412) it is fixedly connected, the other end is fixed on housing (43) inwall.
9. the safety door as claimed in claim 1 opened by hand vein recognition, it is characterised in that the electromagnetic actuator device
(421) electromagnet (4211) and second spring (4212), electromagnet (4211) input and control device (32) phase are included
Even, described second spring (4212) one end is connected with electromagnet (4211), and the other end is connected with locking bar (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510268890.9A CN104847179B (en) | 2015-05-25 | 2015-05-25 | The safety door opened by hand vein recognition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510268890.9A CN104847179B (en) | 2015-05-25 | 2015-05-25 | The safety door opened by hand vein recognition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104847179A CN104847179A (en) | 2015-08-19 |
| CN104847179B true CN104847179B (en) | 2017-09-19 |
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ID=53847114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510268890.9A Expired - Fee Related CN104847179B (en) | 2015-05-25 | 2015-05-25 | The safety door opened by hand vein recognition |
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| Country | Link |
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| CN (1) | CN104847179B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106666962A (en) * | 2016-12-01 | 2017-05-17 | 芜湖酷哇机器人产业技术研究院有限公司 | Luggage box |
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|---|---|---|---|---|
| CN1932845A (en) * | 2005-09-14 | 2007-03-21 | 株式会社日立制作所 | Personal identification and method |
| CN201254882Y (en) * | 2008-09-12 | 2009-06-10 | 田强 | Electric control lock for motor |
| CN102075325A (en) * | 2010-11-25 | 2011-05-25 | 杨莉 | Key, method for manufacturing lock and key and safety system using method |
| CN202146088U (en) * | 2011-06-03 | 2012-02-22 | 蔡翔 | Office cabinet |
| CN202520091U (en) * | 2012-02-15 | 2012-11-07 | 上海迪堡安防设备有限公司 | Finger vein identification electronic coded lock |
| CN204850765U (en) * | 2015-05-25 | 2015-12-09 | 周济 | Emergency exit of opening through vein identification |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010255253A (en) * | 2009-04-23 | 2010-11-11 | Hitachi Media Electoronics Co Ltd | Management system and management method |
-
2015
- 2015-05-25 CN CN201510268890.9A patent/CN104847179B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1932845A (en) * | 2005-09-14 | 2007-03-21 | 株式会社日立制作所 | Personal identification and method |
| CN201254882Y (en) * | 2008-09-12 | 2009-06-10 | 田强 | Electric control lock for motor |
| CN102075325A (en) * | 2010-11-25 | 2011-05-25 | 杨莉 | Key, method for manufacturing lock and key and safety system using method |
| CN202146088U (en) * | 2011-06-03 | 2012-02-22 | 蔡翔 | Office cabinet |
| CN202520091U (en) * | 2012-02-15 | 2012-11-07 | 上海迪堡安防设备有限公司 | Finger vein identification electronic coded lock |
| CN204850765U (en) * | 2015-05-25 | 2015-12-09 | 周济 | Emergency exit of opening through vein identification |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104847179A (en) | 2015-08-19 |
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