CN109086702A - A kind of biological characteristic really weighs formula electrically activating switch - Google Patents
A kind of biological characteristic really weighs formula electrically activating switch Download PDFInfo
- Publication number
- CN109086702A CN109086702A CN201810809475.3A CN201810809475A CN109086702A CN 109086702 A CN109086702 A CN 109086702A CN 201810809475 A CN201810809475 A CN 201810809475A CN 109086702 A CN109086702 A CN 109086702A
- Authority
- CN
- China
- Prior art keywords
- fingerprint
- electrically activating
- biological characteristic
- sound
- relay
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a kind of biological characteristics really to weigh formula electrically activating switch, including keying body, keying body lower end is provided with connecting terminal, and keying body upper end is provided with fingerprint capturer, it is socketed with positioning cap outside fingerprint capturer, the upper surface of positioning cap is provided with finger through-hole；Control unit, relay, power module, indicator light and alarm are provided in keying body, control unit registered fingerprint ID collected to fingerprint capturer when powering normal compares judgement, after logic judgment, make the actuating of relay, relay is responsible for completing junction closure and be opened.Above-mentioned technical proposal, the structure and circuit that the electrically activating switch of manipulation permission is confirmed using fingerprint recognition mode, are acquired by the data of fingerprint, to confirm the starting permission and manipulation permission of electrical operation, it executes electric appliance secondary control circuit to connect, and starting device facility operation.Reasonable in design, structure is simply, reliable operation, management is easy, easy to use and practicability is good.
Description
Technical field
The present invention relates to switching technique fields, and in particular to a kind of biological characteristic really weighs formula electrically activating switch.
Background technique
The start button used in the medical treatment of industrial electrical equipment equipment or facility is to operate starting as electric appliance to use, can not be true
Recognize permission, to confirm permission, in existing equipment, can generally add the circuit controling switch of a mechanism key type more.This skill
Art not only increases the contact of circuit, influences reliability, job insecurity, while the management to key is also increased in management
Cost and control difficulty, inconvenient to use, management trouble, and the practicability is poor.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide it is a kind of it is reasonable in design, structure is simple,
Reliable operation, the biological characteristic that management is easy, easy to use and practicability is good really weigh formula electrically activating switch.
To achieve the above object, the present invention provides the following technical scheme that a kind of biological characteristic really weighs formula electrically activating opens
It closes, including keying body, the keying body lower end are fixedly installed connecting terminal, keying body upper end is provided with fingerprint collecting
Device, the fingerprint capturer are socketed with positioning cap, the fingerprint collecting face of the upper surface alignment fingerprint capturer of the positioning cap outside
Position is provided with finger through-hole；Control unit, relay, power module, indicator light and alarm are provided in the keying body
Device, control unit registered fingerprint ID collected to fingerprint capturer when powering normal compares judgement, by patrolling
After collecting judgement, make the actuating of relay, relay is responsible for completing junction closure and be opened.
Preferably, biological characteristic, which really weighs formula electrically activating switch, includes operating mode, Setting pattern and query pattern,
Operating mode: after registered fingerprint excessively, really power function is carried out:
After finger presses the fingerprint collecting face of fingerprint capturer, fingerprint capturer wakes up from low-power consumption standby state, to pressing
Pressure fingerprint is sampled, and characteristic point is compared after sample extraction and correction, compares ID with registered template library by rear,
Logical processing unit is given together together with comparing result and fingerprint capturer own physical number corresponding ID number；Logical process list
Member checks ID number setting permission after receiving the data that fingerprint capturer is sent first, confirms permission rear-guard motor type relay, indicator light
It is acted with alarm, completes the primary normal unlatching course of work.
Preferably, biological characteristic really weighs formula electrically activating switch Setting pattern:
It before putting into normal use, needs first to carry out fingerprint registration, to do really power comparison, the fingerprint permission of registration
Divide two-stage, it is normal operator after the 4th piece that first three piece, which automatically becomes administrator's grade,；Administrator can delete including itself
All fingerprints and operation note, be restored to factory state；Normal operator can only carry out start-up operation.
Preferably, biological characteristic really weigh formula electrically activating switch Setting pattern specific steps are as follows:
Under factory state: finger persistently touches fingerprint capturer outer ring 30 seconds, after hearing continuous three sound " drop " sound, with note
Collection surface 10 seconds of volume fingerprint pressing fingerprint capturer, lift finger after hearing drop sound, are pressed again with same piece of fingerprint
The collection surface of fingerprint capturer is lifted after hearing drop sound, and third time is registered, and a long sound drop sound can be heard after succeeding in registration；
It can continuously register other fingerprints at this time, most 50 pieces；In registered situation: finger persistently touches the acquisition of fingerprint capturer
Device outer ring 30 seconds is pressed with fingerprint of administrator and is verified after hearing continuous three sound drop sound, long drop sound is had after, at this time
Other fingerprints can be increased；If not being fingerprint of administrator, verification does not drip sound by that can issue three sound, and five verifications do not pass through, from
It is dynamic to exit Setting pattern, and do not receive any instruction in one minute；After administrator enters setting state, fingerprint is without departing from fingerprint
The collector of collector starts the disconnected drop sound of continuous sending, will be deleted all registration informations and operation information after 20 seconds after 10 seconds,
Restore factory state.
Preferably, biological characteristic really weighs formula electrically activating switch query pattern: on the basis of basic function setting, staying
There is standard communication interface, for extending bluetooth communication module；Mobile phone can be registered, and entered by mobile phone dedicated APP
Operation note inquiry is carried out under query pattern；Inside is able to record 200 starting times and starts the operation note of personnel, passes through
Bluetooth communication passes to mobile phone and carries out tracking enquiry.
Preferably, the power module is inputted using wide power, power standard: AC 24V-220V is controlled, using ring
- 40 DEG C -85 DEG C of border temperature.
Preferably, the relay selects DC12V direct current double-contact small size signal relay, relay contacts are held
Amount meets AC220,5A normal opened contact and normally closed contact each pair.
Preferably, the fingerprint capturer uses semiconductor fingerprint collector.
The invention has the advantages that compared with prior art, structure of the invention setting is more reasonable, using human body biological characteristics
The structure and circuit of the electrically activating switch of (fingerprint) identification method confirmation manipulation permission.By to human body biological characteristics (fingerprint)
Data acquisition execute electric appliance secondary control circuit to confirm the starting permission and manipulation permission of electrical operation and connect, and start
Installations and facilities operation.Control unit registered fingerprint ID collected to fingerprint capturer when powering normal, which is compared, to be sentenced
It is disconnected, after logic judgment, make the actuating of relay, relay is responsible for completing junction closure and be opened；Substitute former electric switch
Normally opened and normally closed function.Reasonable in design, structure is simply, reliable operation, management is easy, easy to use and practicability is good.?
It is used in the electric control system of industrial electrical equipment equipment, Medical Devices or other facilities, disposably solves operator's permission
Confirmation and starting operation, key really weighs management before eliminating.
The invention will be further described with specific embodiment with reference to the accompanying drawings of the specification.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the functional block diagram of the embodiment of the present invention；
Fig. 3 is the circuit diagram of power module of the embodiment of the present invention；
Fig. 4 is the complete machine flow diagram of the embodiment of the present invention.
Specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of biological characteristic disclosed by the invention really weighs formula electrically activating switch, including
Keying body 1,1 lower end of keying body are fixedly installed connecting terminal 2, and 1 upper end of keying body is provided with fingerprint capturer
3, the fingerprint capturer 3 is socketed with positioning cap 4, the fingerprint collecting of the upper surface alignment fingerprint capturer 3 of the positioning cap 4 outside
Face position is provided with finger through-hole 41；Be provided in the keying body 1 control unit, relay, power module, indicator light and
Alarm, control unit registered fingerprint ID collected to fingerprint capturer when powering normal compare judgement, lead to
After crossing logic judgment, make the actuating of relay, relay is responsible for completing junction closure and be opened.
Preferably, the connecting terminal 2 is welded and fixed with 1 lower end of keying body or is connect by existing screw solid
It is fixed；Fingerprint capturer 3 is connected and fixed with keying body 1 by existing screw；Positioning cap 4 is integrally set with 1 upper end of keying body
The interface thread connection set；Described control unit, relay, power module, indicator light and alarm pass through existing screw point
It is not connected and fixed with keying body 1.
Biological characteristic really weighs formula electrically activating switch and includes operating mode, Setting pattern and query pattern,
Operating mode: after registered fingerprint excessively, really power function is carried out:
After finger presses the fingerprint collecting face of fingerprint capturer, fingerprint capturer wakes up from low-power consumption standby state, to pressing
Pressure fingerprint is sampled, and characteristic point is compared after sample extraction and correction, compares ID with registered template library by rear,
Logical process (MCU) unit is given together together with comparing result and fingerprint capturer own physical number corresponding ID number；Logic
Processing unit receives and checks ID number setting permission after the data that fingerprint capturer is sent first, confirmation permission rear-guard motor type relay,
The primary normal unlatching course of work is completed in indicator light and alarm movement.
Setting pattern:
It before putting into normal use, needs first to carry out fingerprint registration, to do really power comparison, the fingerprint permission of registration
Divide two-stage, it is normal operator after the 4th piece that first three piece, which automatically becomes administrator's grade,；Administrator can delete including itself
All fingerprints and operation note, be restored to factory state；Normal operator can only carry out start-up operation.Setting pattern tool
Steps are as follows for gymnastics work:
Under factory state: finger persistently touches fingerprint capturer outer ring 30 seconds, after hearing continuous three sound " drop " sound, with note
Collection surface 10 seconds of volume fingerprint pressing fingerprint capturer, lift finger after hearing drop sound, are pressed again with same piece of fingerprint
The collection surface of fingerprint capturer is lifted after hearing drop sound, and third time is registered, and a long sound drop sound can be heard after succeeding in registration；
It can continuously register other fingerprints at this time, most 50 pieces；In registered situation: finger persistently touches the acquisition of fingerprint capturer
Device outer ring 30 seconds is pressed with fingerprint of administrator and is verified after hearing continuous three sound drop sound, long drop sound is had after, at this time
Other fingerprints can be increased；If not being fingerprint of administrator, verification does not drip sound by that can issue three sound, and five verifications do not pass through, from
It is dynamic to exit Setting pattern, and do not receive any instruction in one minute；After administrator enters setting state, fingerprint is without departing from fingerprint
The collector of collector starts the disconnected drop sound of continuous sending, will be deleted all registration informations and operation information after 20 seconds after 10 seconds,
Restore factory state.
Query pattern: on the basis of basic function setting, there are standard communication interfaces, for extending bluetooth communication module；
Mobile phone can be registered by mobile phone dedicated APP, and carry out operation note inquiry in the case where entering query pattern；Inside can be remembered
It records 200 starting times and starts the operation note of personnel, mobile phone is passed to by bluetooth communication and carries out tracking enquiry.
The power module is needed for industrial application environment, need to use wide power input to conform to Industry Control electricity
Source standard AC 24V-220V, and because of the requirement of volume of switch, transformer mode step-down rectifier cannot be used for the confession of this circuit
Electricity.Therefore, existing special module (being provided by Dongguan City Xun Di Electronics Co., Ltd.) is used, typical application circuit is as schemed
Shown in 3, -40 DEG C -85 DEG C of application environment temperature.Select different model module, can be obtained more output characteristics data (voltage and
Electric current).
The relay selects DC12V direct current double-contact small size signal relay, and relay contacts capacity meets
AC220,5A normal opened contact and normally closed contact each pair.It is responsible for completing junction closure under the controller control of control unit and beats
It opens, substitutes the normally opened and normally closed function of former electric switch.
Control unit is existing product, preferably, the present embodiment uses the integrated chip that upper sea chart is just being released
TM2722 completes logic judgment and after device promotion and state instruction.
The fingerprint capturer uses semiconductor fingerprint collector.Fingerprint capturer is responsible for the acquisition of fingerprint and algorithm
Reason, then be compared with the registered fingerprint of existing inside.Result is sent to Logical processing unit in a manner of making a binding court decision on civil or economic cases after comparison.Institute
The finger print data of registration stores in this section, to accelerate processing speed and enhance the confidentiality of original fingerprint data.
When practical application, the electrically activating switch of manipulation permission is confirmed using human body biological characteristics (fingerprint) identification method
Structure and circuit.By the data acquisition to human body biological characteristics (fingerprint), to confirm the starting permission and manipulation of electrical operation
Permission executes electric appliance secondary control circuit and connects, and starting device facility operation.Control unit adopts fingerprint when powering normal
The collected registered fingerprint ID of storage compares judgement, after logic judgment, makes the actuating of relay, relay is responsible for
It completes junction closure and opens；Substitute the normally opened and normally closed function of former electric switch.Reasonable in design, structure is simple, work
Reliably, management is easy, easy to use and practicability is good.In industrial electrical equipment equipment, the electrical control of Medical Devices or other facilities
It is used in system, disposably solves the confirmation of operator's permission and starting operation, key really weighs management before eliminating.
The present invention solves the electrical isolation and operating status instruction of forceful electric power circuit and Switch main body.
The present invention can carry out record queries to operator and operating time.
The reserved function extensive interface on hardware and software, cooperation APP can realize remote authorization and record to the present invention
And status inquiry.
The present invention is realized by technology, reduces the harm that maloperation and illegal operation generate.Effectively enhance management
The reasonability that scientific and equipment uses.
In addition, using semiconductor fingerprint collector manufacture at apply need really to weigh appliance, equipment standard start
Knob.Enable effectively using and safe handling effectively manages and reduces management cost for facilities and equipment.
Above-described embodiment is served only for that invention is further explained to specific descriptions of the invention, should not be understood as
Limiting the scope of the present invention, the technician of this field make the present invention according to the content of foregoing invention some non-
The modifications and adaptations of essence are fallen within the scope of protection of the present invention.
Claims (8)
1. a kind of biological characteristic really weighs formula electrically activating switch, including keying body, the keying body lower end are fixedly installed
Connecting terminal, it is characterised in that: keying body upper end is provided with fingerprint capturer, and positioning is socketed with outside the fingerprint capturer
The fingerprint collecting face position of cap, the upper surface alignment fingerprint capturer of the positioning cap is provided with finger through-hole；The key sheet
It is provided with control unit, relay, power module, indicator light and alarm in vivo, control unit is when powering normal to fingerprint
The collected registered fingerprint ID of collector compares judgement, after logic judgment, makes the actuating of relay, relay is negative
Duty is completed junction closure and is opened.
2. a kind of biological characteristic according to claim 1 really weighs formula electrically activating switch, it is characterised in that: biological characteristic is true
Power formula electrically activating switch includes operating mode, Setting pattern and query pattern,
Operating mode: after registered fingerprint excessively, really power function is carried out:
After finger presses the fingerprint collecting face of fingerprint capturer, fingerprint capturer wakes up from low-power consumption standby state, refers to pressing
Line is sampled, and characteristic point is compared after sample extraction and correction, ID is compared with registered template library by rear, right
ID number is answered to give Logical processing unit together together with comparing result and fingerprint capturer own physical number；Logical processing unit is received
ID number setting permission, confirmation permission rear-guard motor type relay, indicator light and report are checked after the data sent to fingerprint capturer first
Alert device movement, completes once normally to open the course of work.
3. a kind of biological characteristic according to claim 2 really weighs formula electrically activating switch, it is characterised in that: biological characteristic is true
Power formula electrically activating switchs Setting pattern:
It before putting into normal use, needs first to carry out fingerprint registration, is divided to two to do really power comparison, the fingerprint permission of registration
Grade, first three piece automatically become administrator's grade, are normal operator after the 4th piece；Administrator can delete the institute including itself
There are fingerprint and operation note, is restored to factory state；Normal operator can only carry out start-up operation.
4. a kind of biological characteristic according to claim 3 really weighs formula electrically activating switch, it is characterised in that: biological characteristic is true
Power formula electrically activating switch Setting pattern specific steps are as follows:
Under factory state: finger persistently touches fingerprint capturer outer ring 30 seconds, after hearing continuous three sound " drop " sound, is referred to registration
Line presses collection surface 10 seconds of fingerprint capturer, lifts finger after hearing drop sound, presses fingerprint with same piece of fingerprint again
The collection surface of collector is lifted after hearing drop sound, and third time is registered, and a long sound drop sound can be heard after succeeding in registration；At this time
It can continuously register other fingerprints, most 50 pieces；In registered situation: outside the collector that finger persistently touches fingerprint capturer
Circle 30 seconds is pressed with fingerprint of administrator and is verified after hearing continuous three sound drop sound, and long drop sound is had after, at this time can be with
Increase other fingerprints；If not being fingerprint of administrator, verification does not drip sound by that can issue three sound, and five verifications do not pass through, move back automatically
Setting pattern out, and do not receive any instruction in one minute；After administrator enters setting state, fingerprint is without departing from fingerprint collecting
The collector of device starts the disconnected drop sound of continuous sending, will be deleted all registration informations and operation information after 20 seconds, restore after 10 seconds
Factory state.
5. a kind of biological characteristic according to claim 2 really weighs formula electrically activating switch, it is characterised in that: biological characteristic is true
Power formula electrically activating switchs query pattern: on the basis of basic function setting, there are standard communication interfaces, logical for extending bluetooth
Interrogate module；Mobile phone can be registered by mobile phone dedicated APP, and carry out operation note inquiry in the case where entering query pattern；It is interior
Portion is able to record 200 starting times and starts the operation note of personnel, passes to mobile phone by bluetooth communication and carries out tracking enquiry.
6. a kind of biological characteristic according to claim 1 really weighs formula electrically activating switch, it is characterised in that: the power supply mould
Block is inputted using wide power, control power standard: AC 24V-220V, and -40 DEG C -85 DEG C of application environment temperature.
7. a kind of biological characteristic according to claim 1 really weighs formula electrically activating switch, it is characterised in that: the relay
Select DC12V direct current double-contact small size signal relay, relay contacts capacity meets AC220,5A normal opened contact with it is normally closed
Contact each pair.
8. a kind of biological characteristic according to claim 1 really weighs formula electrically activating switch, it is characterised in that: the fingerprint is adopted
Storage uses semiconductor fingerprint collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809475.3A CN109086702A (en) | 2018-07-23 | 2018-07-23 | A kind of biological characteristic really weighs formula electrically activating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809475.3A CN109086702A (en) | 2018-07-23 | 2018-07-23 | A kind of biological characteristic really weighs formula electrically activating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109086702A true CN109086702A (en) | 2018-12-25 |
Family
ID=64838459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810809475.3A Pending CN109086702A (en) | 2018-07-23 | 2018-07-23 | A kind of biological characteristic really weighs formula electrically activating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109086702A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1658222A (en) * | 2005-03-22 | 2005-08-24 | 成都翔宇信息技术有限公司 | Bioliving fingerprint comparison contral method and system |
| CN1959693A (en) * | 2006-11-29 | 2007-05-09 | 北京飞天诚信科技有限公司 | Method of realizing intelligence cryptographic key set of fingerprint for multiple users to use |
| CN101685555A (en) * | 2008-09-27 | 2010-03-31 | 肖凡 | Fingerprint lock rights management system |
| US8353187B2 (en) * | 2008-10-07 | 2013-01-15 | Yiqi Wu Woodling | Padlock device using an electromagnetic switch actuated system with fingerprint identification system |
| CN104834850A (en) * | 2015-04-15 | 2015-08-12 | 何邦君 | Fingerprint button device and control method adopting fingerprint button device |
| CN106373228A (en) * | 2016-08-29 | 2017-02-01 | 杭州巴玺电子科技有限公司 | Intelligent safe passive lockset system and unlocking method thereof |
| CN207009333U (en) * | 2017-05-27 | 2018-02-13 | 红塔烟草(集团)有限责任公司 | A kind of fingerprint recognition button switch |
-
2018
- 2018-07-23 CN CN201810809475.3A patent/CN109086702A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1658222A (en) * | 2005-03-22 | 2005-08-24 | 成都翔宇信息技术有限公司 | Bioliving fingerprint comparison contral method and system |
| CN1959693A (en) * | 2006-11-29 | 2007-05-09 | 北京飞天诚信科技有限公司 | Method of realizing intelligence cryptographic key set of fingerprint for multiple users to use |
| CN101685555A (en) * | 2008-09-27 | 2010-03-31 | 肖凡 | Fingerprint lock rights management system |
| US8353187B2 (en) * | 2008-10-07 | 2013-01-15 | Yiqi Wu Woodling | Padlock device using an electromagnetic switch actuated system with fingerprint identification system |
| CN104834850A (en) * | 2015-04-15 | 2015-08-12 | 何邦君 | Fingerprint button device and control method adopting fingerprint button device |
| CN106373228A (en) * | 2016-08-29 | 2017-02-01 | 杭州巴玺电子科技有限公司 | Intelligent safe passive lockset system and unlocking method thereof |
| CN207009333U (en) * | 2017-05-27 | 2018-02-13 | 红塔烟草(集团)有限责任公司 | A kind of fingerprint recognition button switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107293014A (en) | A kind of intelligent door lock | |
| CN205063572U (en) | Energy -conserving electronic lock | |
| CN205862410U (en) | The apparatus for controlling elevator of identity-based card remote validation | |
| CN206711176U (en) | A kind of cloud attendance recorder with gate function | |
| WO2016165663A1 (en) | Intelligent massage chair based on solar power supply | |
| CN107861515A (en) | A kind of wired home robot control system and its control method | |
| CN202431068U (en) | Intelligent door lock based on face and palm print identification | |
| CN109086702A (en) | A kind of biological characteristic really weighs formula electrically activating switch | |
| CN205158480U (en) | Intelligent access control system device | |
| CN205363921U (en) | Novel intelligent robot | |
| CN107452103A (en) | A kind of building intelligent gate control system | |
| CN107471255A (en) | Power panel, robot for robot | |
| CN207731174U (en) | The adjustable intelligence curly hair bar system of one mode | |
| CN204595973U (en) | A kind of intelligent security protection equipment | |
| CN207009333U (en) | A kind of fingerprint recognition button switch | |
| CN216748511U (en) | Indoor intelligent electric control system | |
| CN207424960U (en) | It is a kind of that there is the access control system of Multiple recognition | |
| CN206258698U (en) | The voice that can record is switched with button coordinated signals | |
| CN110335384A (en) | A kind of mute exchange method of a key and system of intelligent door lock | |
| CN215264459U (en) | Laboratory work table control system | |
| CN212990192U (en) | Perimeter high-voltage power grid control system with touch screen | |
| CN207847288U (en) | A kind of novel finger print control smart lock | |
| CN203894774U (en) | Fingerprint identification intelligent switch | |
| CN116226701A (en) | Identification module, identification method and intelligent door lock | |
| CN102737426A (en) | Infrared induction type chargeable photon door lock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181225 |