CN106303934A - A kind of electronic identity display board system - Google Patents
A kind of electronic identity display board system Download PDFInfo
- Publication number
- CN106303934A CN106303934A CN201610893166.XA CN201610893166A CN106303934A CN 106303934 A CN106303934 A CN 106303934A CN 201610893166 A CN201610893166 A CN 201610893166A CN 106303934 A CN106303934 A CN 106303934A
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- China
- Prior art keywords
- identity
- application program
- mobile phone
- information
- electronic identification
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Medical Informatics (AREA)
- Bioethics (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
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- General Engineering & Computer Science (AREA)
- Telephonic Communication Services (AREA)
Abstract
A kind of electronic identification plate system of combination development of Mobile Internet technology, Intelligent hardware technology and geographic positioning technology, it is characterized in that: comprise a kind of electronic identification plate being connected to employee's mobile phone by wired or short distance wireless technical, can be worn at employee, or place on a vehicle；Comprising the application program operated on employee's mobile phone, application program can be with electronic identification plate communicative indication identity information, and application program also can carry out identification authentication with background server system communication and obtain identity display information；Comprising the background server system run on the internet, storage has identity disc authentication information and identity display to arrange, and runs identity disc display service routine.The present invention is reasonable in design, by development of Mobile Internet technology, worker is shown and mobile phone application binding, it is possible to by the display of server controls identity disc with do not show, and at specific region and the different display effects etc. of special time.
Description
Technical field
The invention belongs to technical field of the computer network, specifically, relate to the side that a kind of wireless Internet identity shows
Method.
Background technology
Along with the development of wireless internet service, increasing Internet service is introduced stranger to people and is provided
Servicing, express delivery of such as visiting, housekeeping of visiting, the Internet are called together and are hired a car, and the Working Life for people provides many facilities.But
It is to provide the identity of stranger of service, not obvious, a safe and controlled method for these.
At present, ISP indicates the identity of service personal in several ways: the 1) clothing that employee is special；
2) with the chest card of the information such as name photo；3) with the employee's card etc. of the information such as name photo.Below these modes all exist
Problem: 1) inconspicuous: the identity information of personnel can not significantly be seen by others, needs a process shown；2) uneasy
Complete: chest card, working medium is easily forged；3) uncontrollable: display and the inefficacy of identity information can not be controlled at any time, employee from
Its identity can not be cancelled during duty.
Such as: when certain service personal leaves office, do not surrender frock, identity disc, then he just can pretend to be the Internet
The worker of service provider, gains the trust of user by cheating, is engaged in unlawful activities；And service provider can not be effective when leaving office
Cancel this worker.
Such as: a lawless person wearing express delivery clothing, property security personnel can be allowed the most easily for its open community door
Prohibit, enter residential building, carry out pilferage activity.Property security personnel not convenient means, go to audit the identity of courier.
Along with development of Mobile Internet technology, the development of Intelligent hardware technology, allow people that identity to be shown and propose higher wanting
Ask, it is desirable to have obvious, a safe and controlled mode, to the certification being dispersed in cities and towns personnel everywhere and carrying out identity.This
The mode of kind, it has to be possible to:
1) become apparent from
Identity information is significantly shown rather than a certificate carrying in pocket.
2) safer
Identity information uses certification and encryption technology, it is impossible to the most counterfeit.
3) the most controlled
Identity information can be activated by server, losing efficacy and arranging specific region shows, improves identity information
Controllability.
Summary of the invention
The technical problem to be solved in the present invention is the drawbacks described above overcoming identity to show, it is provided that one combines mobile Internet
The electronic identification plate system of technology, Intelligent hardware technology and geographic positioning technology, reasonable in design, by development of Mobile Internet technology,
Worker is shown with mobile phone application binding, it is possible to by the display of server controls identity disc with do not show, Yi Ji
Specific region and the different display effects etc. of special time.
Using this system, ISP can pass through server:
1) the electronic identification plate display content of certain mobile phone association is set；
2) electronic identification plate display content in some geographical position of certain mobile phone association is set；
3) electronic identification plate display content at some special time of certain mobile phone association is set.
For realizing this electronic identification plate substantially, safely and controllably, the technical solution adopted in the present invention is:
A kind of electronic identification plate system of combination development of Mobile Internet technology, Intelligent hardware technology and geographic positioning technology, its
Feature is: comprise a kind of electronic identification plate being connected to employee's mobile phone by wired or short distance wireless technical, Ke Yipei
It is worn over employee, or places on a vehicle；Comprising the application program operated on employee's mobile phone, application program can be with
Electronic identification plate communicative indication identity information, application program also can carry out identification authentication and acquisition with background server system communication
Identity display information；Comprising the background server system run on the internet, storage has identity disc authentication information and identity to show
Show setting, and run identity disc display service routine.
A kind of electronic identification plate being connected with employee's mobile phone comprised in system, is characterized in that: electronic identification plate is by having
Line or short-distance wireless interconnection technique are connected with employee's mobile phone；Electronic identification plate storage has unique identifying information, can be with employee
Application program of mobile phone encryption exchange unique identifying information on mobile phone, by application program of mobile phone and server communication, reflects
Power identifies, obtains identity display information；Electronic identification plate has display module, can carry out according to the instruction of application program of mobile phone
The display of identity information；Electronic identification plate can also have acousto-optic assembly, can be according to the instruction of application program of mobile phone, specific
Time or geographical position, send sound and light signal to other people point out identity show information.
The application program operated on employee's mobile phone comprised in system, is characterized in that: by wired or short-distance wireless
Interconnection technique is connected with electronic identification plate；It is connected with background server system by mobile Internet；Application program is to electronics body
Part board request unique identifying information, uploads to unique identifying information background server and carries out authentication identification, obtain under server
The identity information sent out, then send electronic identification plate to and show；Application program can also report geographical position to background server
Information, receives identity information instruction or the sound and light signal idsplay order of server, sends electronic identification plate to and show；Application
Identity idsplay order or sound and light signal that program can also be assigned at any time according to background server instruct, and send electronic identification plate to and enter
Row display.
The background server system comprised in system, is characterized in that: by mobile Internet and operation employee's mobile phone
Application program connects；Receive the electronic identification plate unique identifying information that application program of mobile phone is uploaded, with the body of storage in server
Part information is compared, and inquires the identity display information of correspondence, is sent to application program of mobile phone and sends electronic identification plate to and enter
Row display；Receive the geographical location information that application program of mobile phone is uploaded, inquire about the identity information for this geographical position or acousto-optic
Signal is arranged, and is sent to application program of mobile phone and sends electronic identification plate to and show；Background server system can also at any time to
Application program on special handset issues identity idsplay order or sound and light signal instruction, sends electronic identity to by application program
Board shows.
Have employed technique scheme, compared with prior art, the following side that the present invention shows for worker
There is a significantly enhancing in face:
1) become apparent from
Electronic identification plate can be worn at employee front, it is also possible to places on a vehicle, with display circuit, permissible
Showing the identity information obtained from server, make things convenient for customers examination；Electronic identification plate can also be permissible with sound and light signal device
Request according to client or when arriving locality, sends sound and light signal under the control of background server, carries out identity
Secondary is verified.
2) safer
Electronic identification plate storage has unique identifying information, uses cipher mode and application program of mobile phone communication, from server
Obtain identity display information.Server logs in account number by identity disc unique identifying information, employee's application program of mobile phone and carries out one
Authentication to one, it is to avoid conventional work card work board is very easy to the safety problem forged.
3) the most controlled
Service provider can pass through background server, arranges the coming into force of electronic identification plate easily, lost efficacy, when employee from
During duty, arrange the inefficacy of identity disc on backstage, then electronic identification plate just cannot show identity information, and client is it appeared that client
It is not possess legal identity.Service provider can also arrange electronic identification plate and leave in employee's quitting time or employee
Coverage just cannot show so that identity information is the most controlled.
The present invention is reasonable in design, in conjunction with development of Mobile Internet technology, Intelligent hardware technology and geographic positioning technology, carries for service
A kind of worker's display packing substantially, safely and controllably is provided for business.
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the system group network figure of an embodiment of the present invention；
Fig. 2 is the identity flow for displaying sequential chart of an embodiment of the present invention；
Detailed description of the invention
As it is shown in figure 1, a kind of worker's display packing substantially, safely and controllably, system comprises: electronic identification plate
1, smart mobile phone 2 and background server 3.Electronic identification plate 1 and smart mobile phone 2 use bluetooth wireless connections, background server 3 with
Smart mobile phone 2 is connected by mobile Internet.
Electronic identification plate 1 comprises: microcomputer 101, display module 102, acousto-optic assembly 103.
Microcomputer 101 is made up of the microcomputer supporting bluetooth protocol repertory, as used Dialog Corporation
SmartBond DA14580 bluetooth single-chip microcomputer is master chip, in conjunction with power supply module, switch etc., constitutes a microcomputer.?
In microcomputer 101, comprise:
1) bluetooth protocol repertory: support to be connected and data interaction with the bluetooth of smart mobile phone；
2) unique identifying information: in the EPROM of single-chip microcomputer, writes the unique identifying information of 56, uniqueness
Identify this electronic identification plate；
3) ROM computer program: be built in the EPROM of single-chip microcomputer, it is achieved be connected driving with the bluetooth of mobile phone, and right
The driving of display module 102 harmony optical assembly 103.
Display module 102 is the screen assembly showing worker's information, it is contemplated that power consumption, uses liquid crystal dots configuration to show
Screen, can show Chinese and English character under the driving of microcomputer 101.As brilliant DataExpert company can be used to produce
JLX25664G-25, can show 256*64 dot matrix, and screen is sufficiently large, it is possible to the fully lower worker's information of display.
Acousto-optic assembly 103 is the assembly that auxiliary carries out identity prompting, at specific geographic position or special time
Sending acousto-optic hint, prompting employee or client check identity disc information.As when employee comes off duty, identity disc display information is lost
While effect, acoustical signal reminding employees can be sent；As employee and client on geographical position near when, send sound
Sound and optical signalling remind client to check the electronic identification plate of employee.Acousto-optic assembly 103 can use buzzer and LED luminescence two
Pole pipe realizes, and technology is simple, and scheme is ripe.Particularly, acousto-optic assembly 103 can also be made by backlight LED of display module 102
For prompting assembly, needs send optical signalling when, drive the backlight of display module 102 to flash, point out employee
Or client checks that identity shows information.
Smart mobile phone 2 is to be carried with by employee, is connected by bluetooth with electronic identification plate, sets up based on bluetooth protocol repertory
Information bidirectional transmission channel on OBEX (Object Exchange, Object Exchange).Meanwhile, smart mobile phone 2 additionally provides
Operating system environment, such as iOS operating system, the Android operation system of Google of Apple；Carry based on operating system
Supply the query interface in mobile phone geographical position, it is provided that the geographical location information of employee's mobile phone.Based on operating system, service provider
The application program 201 of exploitation embedded in mobile phone, is built with electronic identification plate and background server system respectively by application program of mobile phone 201
Vertical connection, performs authentication and display program.Application program of mobile phone 201 need to log in the username and password of employee, uniquely
Mark this employee account number in systems.
Background server system 3 be the authentication center in system and identity display control centre, by based on cloud service
The data base of device system and computer program composition.
In background server system 3, store and have of this sort data form:
Field 1: employee's user name
Field 2: employee's password
Field 3: employee's electronic identification plate uniquely identifies
Field 4: worker shows information
The computer program of background server system 3, can receive from the application program of mobile phone 201 on smart mobile phone 2
The authentication transmitted and display request data package, inquiry identity display information data table, return worker and display information to
Application program of mobile phone 201.
Concrete program realizes flow process, the identity flow for displaying sequential chart of Fig. 2 an embodiment of the present invention describe in detail.
As in figure 2 it is shown, the flow process that electronic identification plate obtains identity display information is as follows:
1) smart mobile phone 2 uses Bluetooth protocol request to set up bluetooth with electronic identification plate 1 and be connected；
2) electronic identification plate 1 completes to set up bluetooth with smart mobile phone 2 and is connected；
3) employee opens the application program 201 on smart mobile phone 2, and application program 201 asks it unique to electronic identification plate 1
Identification information, particularly, appends the current username information logged on application program 201 in the request.
4) unique identification information is encrypted by the microcomputer 101 on electronic identification plate 1.
In view of performance, (Data Encryption Standard, i.e. data encryption standards are can to use DES algorithm
A kind of block algorithm using key to encrypt) it is encrypted, not by unique identification information actual exposed out.
A kind of algorithm embodiment is:
Employee's user name as data DATA to be encrypted, is attached to flow process 3 by application program 201) in solicited message in,
It is sent to electronic identification plate 1.The microcomputer 101 of electronic identification plate 1 uses 56 unique identification informations built-in in EPROM
As the KEY of encryption, run DES algorithm: DES (MODE=encrypts for DATA=employee's user name, KEY=unique identification information),
Produce a password string.
5) microcomputer 101 on electronic identification plate 1 runs program, by Bluetooth protocol, password string is returned to intelligence
Application program of mobile phone 201 on mobile phone 2.
6) application program of mobile phone 201 on smart mobile phone 2 is by wireless Internet, and password string is sent to background server
3。
7) password string is decrypted and comparison by the computer program on background server 3, and the identity of inquiry correspondence shows
Information, and worker is shown that information is encrypted.
Background server 3 program logs in the user account number of background server 3 according to known application program of mobile phone 201,
From tables of data, inquiry obtains employee's user name, employee's electronic identification plate uniquely identifies, and (DATA=is close to run DES algorithm: DES
Sequence, KEY=unique identification information, MODE=deciphers), the decryption information obtained is compared with employee's user name, if symbol
Close, then it is assumed that be legal electronic identification plate, inquire for this employee's user name and electronic identification plate unique from tables of data
The worker of mark shows information, such as " Zhang San Junior Technician ".
In order to safer, to worker, the computer program of background server 3 shows that information is encrypted again, fortune
Row DES algorithm: DES (DATA=identity display information, KEY=unique identification information, MODE=encrypts), obtains worker and shows
Show the password string of information.
8) worker is shown that information password string is returned on smart mobile phone 2 by wireless Internet by background server 3
Application program of mobile phone 201.
9) worker is shown that information password string connects biography by bluetooth by the application program of mobile phone 201 on smart mobile phone 2
Back to electronic identification plate 1.
10) microcomputer 101 of electronic identification plate 1 uses 56 unique identification informations built-in in EPROM as solution
Close KEY, (DATA=worker shows information password, KEY=unique identification information, and MODE=solves to run DES algorithm: DES
Close), obtain worker in plain text and show information, such as " Zhang San Junior Technician ".Microcomputer 101 drives display module 102
Show this identity information.
In system operation, will constantly circulate execution 3-10 step, show realizing real-time identity information.This
Sample, when employee comes off duty, identity display information can cease to be in force automatically, and the electronic identification plate of employee will no longer be shown identity letter
Breath, remind client and other people, this employee is not currently at discharge duty.
Need to coordinate geographical position to carry out the occasion that identity shows at some: as net recruits taxi driver near client
Time, remind client to check electronic identification plate by sound and light signal；If courier is through residential property gate sentry, electronic identification plate
Send sound and light signal, legal to security personnel's signal identity.
In these cases, following improvement can be done in the flow process of Fig. 2:
In the 6th step: application program of mobile phone 201, when background server 3 sends password string, carries from mobile phone operation simultaneously
The geographical location information that system obtains；
In the 7th step: after password string is deciphered by background server 3, coordinate geographical location information, search in configuration data table
Identity display information under this geographical position and sound and light signal configuration, such as " Zhang San Samsung driver " and " too sound, sudden strain of a muscle
Bright ", and identity is shown information and sound and light signal configuration encryption；
In the 10th step: the microcomputer 101 of electronic identification plate 1 uses 56 unique identification informations built-in in EPROM
As the KEY of deciphering, operation DES algorithm obtains worker in plain text and shows information and sound and light signal configuration, as " Zhang San three
Star driver " and " too sound, flicker ".Identity is shown that information-driven display module 102 shows by microcomputer 101,
And drive acousto-optic assembly 103 to send " too sound " and " flicker " signal.
In system operation, will constantly circulate execution 3-10 step, constantly report geographical position, to realize in real time
Geographically relevant identity information show.So, service provider can also arrange fence, sets the service of every employee
Region, once beyond coverage, electronic identification plate can show information such as " the most on duty ", remind client and other people, when
Front employee is not at discharge duty.
In sum, the present invention is reasonable in design, in conjunction with development of Mobile Internet technology, Intelligent hardware technology and geo-location skill
Art, provides a kind of worker's display packing substantially, safely and controllably for service provider.
The present invention is not limited to above-mentioned preferred implementation, and anyone should learn and make under the enlightenment of the present invention
Flow change, every have with the present invention same or like as technical scheme, belong to protection scope of the present invention.
Claims (9)
1. an electronic identity display board system, it is characterised in that:
Comprise a kind of electronic identification plate being connected to employee's mobile phone by wired or short distance wireless technical；
Comprising the application program operating on mobile phone, application program can be with electronic identification plate communicative indication identity information, also can be with
Background server system communication carries out identification authentication and obtains identity display information；
Comprising the background server system run on the internet, storage has identity disc authentication information and identity display to arrange, and
Run identity disc display service routine.
Electronic identification plate the most according to claim 1, it is characterised in that:
Electronic identification plate is connected with employee's mobile phone by wired or short-distance wireless interconnection technique；
Electronic identification plate storage has unique identifying information, can encrypt the unique identification of exchange with the application program of mobile phone on employee's mobile phone
Information, by application program of mobile phone and server communication, carries out authentication and identifies, obtains identity display information；
Electronic identification plate has display module, can carry out the display of identity information according to the instruction of application program of mobile phone.
The application program operated on mobile phone the most according to claim 1, it is characterised in that:
It is connected with electronic identification plate by wired or short-distance wireless interconnection technique；
It is connected with background server system by mobile Internet；
Application program can ask unique identifying information to electronic identification plate, unique identifying information uploads to background server and carries out
Authentication identifies, obtains the identity information that issues of server, then sends electronic identification plate to and show.
Background server system the most according to claim 1, it is characterised in that:
It is connected with the application program run on employee's mobile phone by mobile Internet；
The electronic identification plate unique identifying information that application program of mobile phone is uploaded can be received, enter with the identity information of storage in server
Row comparison, inquires the identity display information of correspondence, is sent to application program of mobile phone and sends electronic identification plate to and show.
Electronic identification plate the most according to claim 1, it is characterised in that:
Electronic identification plate can also have acousto-optic assembly, can according to the instruction of background server system, in the specific time or
Geographical position, sends sound and light signal and points out identity to show information to other people.
The application program operated on mobile phone the most according to claim 1, it is characterised in that:
Application program can also report geographical location information to background server, receives identity information instruction or the acousto-optic letter of server
Number idsplay order, sends electronic identification plate to and shows.
The application program operated on mobile phone the most according to claim 1, it is characterised in that:
Identity idsplay order or sound and light signal that application program can also be assigned at any time according to background server instruct, and send electronics to
Identity disc shows.
Background server system the most according to claim 1, it is characterised in that:
Background server system can receive the geographical location information that application program of mobile phone is uploaded, and inquiry is for this geographical position
Identity information or sound and light signal are arranged, and are sent to application program of mobile phone and send electronic identification plate to and show.
Background server system the most according to claim 1, it is characterised in that:
Background server system can also the application program on special handset issues identity idsplay order or sound and light signal refers at any time
Order, sends electronic identification plate to by application program and shows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610893166.XA CN106303934A (en) | 2016-10-02 | 2016-10-02 | A kind of electronic identity display board system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610893166.XA CN106303934A (en) | 2016-10-02 | 2016-10-02 | A kind of electronic identity display board system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106303934A true CN106303934A (en) | 2017-01-04 |
Family
ID=57717132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610893166.XA Pending CN106303934A (en) | 2016-10-02 | 2016-10-02 | A kind of electronic identity display board system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610623A (en) * | 2017-08-10 | 2018-01-19 | 国家电网公司 | Direction board method to set up, system and indication plate |
| CN108851251A (en) * | 2018-08-20 | 2018-11-23 | 厦门盈趣科技股份有限公司 | A kind of electronic cigarette and its application method with identity recognition function |
| CN109450861A (en) * | 2018-10-16 | 2019-03-08 | 上海玖悦数码科技有限公司 | A kind of work board and its control method and a kind of computer readable storage medium |
| CN109582262A (en) * | 2017-12-13 | 2019-04-05 | 京瓷办公信息系统株式会社 | Information processing unit |
| CN112364951A (en) * | 2020-10-10 | 2021-02-12 | 远光软件股份有限公司 | Virtual work card management method, related equipment, storage medium and system |
| CN112435617A (en) * | 2020-11-16 | 2021-03-02 | 彭涛 | Novel intelligent electronic station board |
| CN112634744A (en) * | 2019-07-26 | 2021-04-09 | 重庆电子工程职业学院 | School sign for student education and propaganda |
-
2016
- 2016-10-02 CN CN201610893166.XA patent/CN106303934A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610623A (en) * | 2017-08-10 | 2018-01-19 | 国家电网公司 | Direction board method to set up, system and indication plate |
| CN109582262A (en) * | 2017-12-13 | 2019-04-05 | 京瓷办公信息系统株式会社 | Information processing unit |
| CN108851251A (en) * | 2018-08-20 | 2018-11-23 | 厦门盈趣科技股份有限公司 | A kind of electronic cigarette and its application method with identity recognition function |
| CN109450861A (en) * | 2018-10-16 | 2019-03-08 | 上海玖悦数码科技有限公司 | A kind of work board and its control method and a kind of computer readable storage medium |
| CN112634744A (en) * | 2019-07-26 | 2021-04-09 | 重庆电子工程职业学院 | School sign for student education and propaganda |
| CN112634744B (en) * | 2019-07-26 | 2023-05-12 | 重庆翼耀科技咨询有限公司 | School plate for student education propaganda |
| CN112364951A (en) * | 2020-10-10 | 2021-02-12 | 远光软件股份有限公司 | Virtual work card management method, related equipment, storage medium and system |
| CN112435617A (en) * | 2020-11-16 | 2021-03-02 | 彭涛 | Novel intelligent electronic station board |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170104 |