CN106097496A - Control of bluetooth access management system, control of bluetooth access equipment and time calibrating method thereof - Google Patents

Control of bluetooth access management system, control of bluetooth access equipment and time calibrating method thereof Download PDF

Info

Publication number
CN106097496A
CN106097496A CN201610402266.8A CN201610402266A CN106097496A CN 106097496 A CN106097496 A CN 106097496A CN 201610402266 A CN201610402266 A CN 201610402266A CN 106097496 A CN106097496 A CN 106097496A
Authority
CN
China
Prior art keywords
time
door open
open command
control
bluetooth access
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.)
Granted
Application number
CN201610402266.8A
Other languages
Chinese (zh)
Other versions
CN106097496B (en
Inventor
宋政斌
仝海燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Qding Interconnection Technology Co ltd
Original Assignee
Beijing Qding Interconnection Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Qding Interconnection Technology Co ltd filed Critical Beijing Qding Interconnection Technology Co ltd
Priority to CN201610402266.8A priority Critical patent/CN106097496B/en
Publication of CN106097496A publication Critical patent/CN106097496A/en
Application granted granted Critical
Publication of CN106097496B publication Critical patent/CN106097496B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/20Individual registration on entry or exit involving the use of a pass
    • G07C9/27Individual registration on entry or exit involving the use of a pass with central registration
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The invention discloses a kind of control of bluetooth access management system, control of bluetooth access equipment and time calibrating method thereof, the time calibrating method of this control of bluetooth access equipment includes: receive the door open command that multiple Bluetooth terminal is sent, and obtain the local reception time of each door open command, wherein, described door open command includes terminal current time;According to the local reception time corresponding to each door open command and terminal current time, calculate prover time value;According to described prover time value calibration local clock.Implement technical scheme, when control of bluetooth access equipment is because being affected by adverse circumstances or running down of battery and cause local clock inaccurate, local clock can be calibrated;And, additional cost will not be produced.

Description

Control of bluetooth access management system, control of bluetooth access equipment and time calibrating method thereof
Technical field
The present invention relates to field, intelligence community, particularly relate to a kind of control of bluetooth access management system, control of bluetooth access equipment and Time calibrating method.
Background technology
Along with modern people's growth in the living standard and the development of community, living conditions are proposed the highest by people Demand, the safety precaution of community is the most increasingly paid close attention to by people.Along with developing rapidly of digitizing technique and network technology, Gate inhibition's technology have also been obtained fast development, and it has surmounted simple gateway and key management already, is developing progressively as a set of complete Whole access management system, becomes solution important department gateway and realizes the effective measures of safety precaution management.
But, access control equipment is generally arranged at doorway, community or unit building doorway, easily by adverse circumstances (such as wind and rain thunder Electricity) impact, or, access control equipment, when running down of battery, all can cause local clock the error of minute level occur, so that its institute The transit time of record is inaccurate, is unfavorable for the access control system room entry/exit management to personnel.
Summary of the invention
The technical problem to be solved in the present invention is, error easily occurs in the above-mentioned local clock pulses for prior art Defect, it is provided that a kind of control of bluetooth access management system, control of bluetooth access equipment and time calibrating method thereof, when automatically can calibrate this locality Clock.
The technical solution adopted for the present invention to solve the technical problems is: construct the time calibration of a kind of control of bluetooth access equipment Method, including:
S10. the door open command that multiple Bluetooth terminal is sent is received, and when obtaining the local reception of each door open command Between, wherein, described door open command includes terminal current time;
S20. according to the local reception time corresponding to each door open command and terminal current time, prover time is calculated Value;
S30. according to described prover time value calibration local clock.
Preferably, described step S20 includes:
The terminal current time corresponding to the most each door open command was subtracted each other with the local reception time, to obtain phase The time difference answered;
S22. acquired time difference is averaged;
S23. this locality current time is added with described meansigma methods, to obtain prover time value.
Preferably, between described step S21 and described step S22, the most respectively to corresponding to each door open command time Between difference carry out following process:
S24. judge that the time difference corresponding to described door open command whether less than preset value, the most then rejects this enabling Time difference corresponding to instruction, wherein, described preset value is less than 0.
Preferably, between described step S21 and described step S22, also include:
S25. acquired time difference is carried out the disposal of gentle filter.
The present invention also constructs a kind of control of bluetooth access equipment, including:
Bluetooth module, for receiving the door open command that multiple Bluetooth terminal is sent, and obtains the basis of each door open command Ground receives the time, and wherein, described door open command includes terminal current time;
Computing module, for according to the local reception time corresponding to each door open command and terminal current time, calculates Prover time value;
Calibration module, for according to described prover time value calibration local clock.
Preferably, described computing module includes:
Subtrator, for respectively by the terminal current time corresponding to each door open command and local reception time phase Subtract, to obtain corresponding time difference;
All value cells, for averaging to acquired time difference;
Adder unit, for being added this locality current time with described meansigma methods, to obtain prover time value.
Preferably, described computing module includes:
Culling unit, for judging whether the time difference corresponding to described door open command is less than preset value, the most then picks Except the time difference corresponding to this door open command;Wherein, described preset value is less than 0.
Preferably, also include:
Filter unit, for carrying out the disposal of gentle filter to acquired time difference.
The present invention also constructs a kind of control of bluetooth access management system, sets including Bluetooth terminal and above-described control of bluetooth access Standby.
Implementing technical scheme, control of bluetooth access equipment, when receiving door open command, extracts terminal therein and works as Front time, and the local reception time of recording instruction.And, according to the local reception time corresponding to multiple door open command difference And terminal current time just can calculate prover time value, and then use this prover time value calibration local clock.On the one hand, exist When control of bluetooth access equipment is because being affected by adverse circumstances or running down of battery and cause local clock inaccurate, local clock can be entered Row calibration, thus can the transit time of accurate recording user, the room entry/exit management for community personnel provides guarantee;The opposing party Face, when calibrating local clock, due to the terminal current time in be based on door open command, so need not be additionally provided Standard clock signal (such as gps signal), thus without producing additional cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the flow chart of the time calibrating method embodiment one of control of bluetooth access equipment of the present invention;
Fig. 2 is the flow chart of step S20 embodiment one in Fig. 1;
Fig. 3 is the building-block of logic of control of bluetooth access apparatus embodiments one of the present invention;
Fig. 4 is the building-block of logic calculating module embodiments one in Fig. 3.
Detailed description of the invention
Fig. 1 is the flow chart of the time calibrating method embodiment one of control of bluetooth access equipment of the present invention, the bluetooth of this embodiment The time calibrating method of access control equipment comprises the following steps:
Step S10: receive the door open command that multiple Bluetooth terminal is sent, and obtain the local reception of each door open command Time, wherein, described door open command includes terminal current time.
In this step, it should be noted that, the resident family in community, when using the enabling of its Bluetooth terminal to prohibit door, can pass through institute The bluetooth interface channel set up sends door open command to control of bluetooth access equipment, or, broadcast door open command.This door open command includes First adds confidential information and second adds confidential information.Wherein, first add confidential information be background server use private key to ID believe The information such as breath, room number information, user cipher, effect duration is encrypted generated information, and user notes before first use During volume, what Bluetooth terminal received that background server sent first adds confidential information, and uses PKI to add confidential information to first to carry out Deciphering, to obtain user cipher.And second to add confidential information be that Bluetooth terminal uses user cipher to the MAC of control of bluetooth access equipment ground Location, terminal current time, door opening command are encrypted generated information.Control of bluetooth access equipment is sent out receiving Bluetooth terminal After the door open command sent, add confidential information first by PKI to first and be decrypted, get user cipher, then re-use use Family password adds confidential information to second and is decrypted, and just can get terminal current time.In a concrete instance, Preset Time Section for example, 8 hours, if receiving 100 door open command in 8 hours altogether, and this locality recording each door open command respectively connects Between the time receiving, and, carry out parsing by clamshell doors instruction and just can get terminal current time.
Step S20: according to the local reception time corresponding to each door open command and terminal current time, when calculating calibration Between be worth.
In this step, if control of bluetooth access equipment is because being affected by adverse circumstances or running down of battery and cause local clock not Standard, then (bluetooth is eventually for the local reception time (clock signal of control of bluetooth access equipment self) of door open command and terminal current time The clock signal of end) it would appear that bigger error (minute rank), the time of the transmission of instruction is the most negligible, therefore may be used Prover time value is calculated according to the terminal current time in multiple door open command.
Step S30: according to described prover time value calibration local clock.
After calibration local clock, control of bluetooth access equipment just can record the transit time of user exactly, particularly with logical (control of bluetooth access equipment also supports swipe the card enabling and passwords of visitors for the user crossing enabling of swiping the card or the user opened the door by passwords of visitors Open the door).
Implementing the technical scheme of this embodiment, control of bluetooth access equipment, when receiving door open command, extracts terminal therein Current time, and the local reception time of recording instruction.And, according to multiple door open command respectively corresponding to local reception time Between and terminal current time just can calculate prover time value, and then use this prover time value calibration local clock.On the one hand, When control of bluetooth access equipment is because being affected by adverse circumstances or running down of battery and cause local clock inaccurate, can be to local clock Calibrate, thus can the transit time of accurate recording user, the room entry/exit management for community personnel provides guarantee;Another Aspect, when calibrating local clock, due to the terminal current time in be based on door open command, so need not additionally carry For standard clock signal (such as gps signal), thus without producing additional cost.
Fig. 2 is the flow chart of step S20 embodiment one in Fig. 1, and step S20 of this embodiment includes:
Step S21: respectively the terminal current time corresponding to each door open command was subtracted each other with the local reception time, to obtain Take corresponding time difference;
Step S22: acquired time difference is averaged;
Step S23: this locality current time be added with described meansigma methods, to obtain prover time value.
In a specific embodiment, if certain control of bluetooth access equipment respectively 8:21,8:28,8:31,8:33,8:34, 8:39,8:40,8:41,8:43,8:45 (local reception time) receive door open command, ten door open command altogether, and this ten Terminal current time in individual door open command be followed successively by 8:24,8:30,8:35,8:37,8:37,8:41,8:39,8:45,8:46, 8:48.The most in the step s 21, respectively by the terminal current time corresponding to these ten door open command and local reception time phase Subtracting, acquired time difference (minute) is followed successively by: 3,2,4,4,3,2 ,-1,4,3,3.In step S22, to these ten times Difference is averaged, and available meansigma methods is about 3 minutes (be accurate to minute).In step S23, if the basis of control of bluetooth access equipment Ground current time is 8:50, then can calculate prover time value is 8:53.After using this prover time value calibration local clock, The clock signal of control of bluetooth access equipment just recovers accurate.
Further, control of bluetooth access equipment affected by adverse circumstances or running down of battery and cause local clock pulses forbidden Time really, the most all can be more delayed than standard time, without advanced a lot, such as, 5 minutes evenings were normal, but will not shift to an earlier date 20 Minute.Based on this, get multiple door open command respectively corresponding to time difference after, step S21 and step S22 it Between, also can farther include:
Step S24: judge that the time difference corresponding to described door open command whether less than preset value, is the most then rejected and is somebody's turn to do Time difference corresponding to door open command, wherein, described preset value be less than 0, for example,-15 minutes.
Such as, in one example, if the time difference (minute) corresponding to multiple door open command be respectively as follows: 3 ... ,- 25 ..., 2, then "-25 " in this group time difference can be weeded out, only remaining time difference are averaged.
Yet further, due to by personal habits or other a variety of causes, the clock signal of the Bluetooth terminal of user and mark Error may be also had between Zhun Shi.Based on this, when calculating according to terminal current time, when calibrating more accurately to obtain Between be worth, between step S21 and step S22, may also include that
Step S25: acquired time difference is carried out the disposal of gentle filter.
Such as, in one example, if the time difference (minute) corresponding to multiple door open command is respectively as follows: 3,19,4, 4,3,2 ,-13,4,3,3, then the maximum " 19 " in this group time difference and minima "-13 " can be weeded out, only to remaining Time difference average.
Fig. 3 is the building-block of logic of control of bluetooth access apparatus embodiments one of the present invention, the control of bluetooth access equipment bag of this embodiment Include bluetooth module 110, computing module 120 and the calibration module 130 being sequentially connected.Wherein, bluetooth module 110 is used for receiving multiple The door open command that Bluetooth terminal is sent, and obtain the local reception time of each door open command, wherein, described door open command bag Include terminal current time.Computing module 120 is for current according to the local reception time corresponding to each door open command and terminal Time, calculate prover time value.Calibration module 130 is for according to described prover time value calibration local clock.
Fig. 4 is the building-block of logic calculating module embodiments one in Fig. 3, and the computing module of this embodiment includes subtrator 121, culling unit 124, filter unit 125, equal value cell 122 and adder unit 123.Wherein, subtrator 121 is for respectively Terminal current time corresponding to each door open command was subtracted each other with the local reception time, to obtain corresponding time difference.Pick Except unit 124 is for judging whether the time difference corresponding to described door open command is less than preset value, the most then reject this enabling Time difference corresponding to instruction;Wherein, described preset value is less than 0.Filter unit 125 is for entering acquired time difference Row the disposal of gentle filter.All value cell 122 is for averaging to acquired time difference.Adder unit 123 will be for inciting somebody to action this Ground current time is added with described meansigma methods, to obtain prover time value.
It is more than in a specific embodiment of the present invention, in other embodiments, also can be by above-mentioned culling unit 124 Delete with at least one in filter unit 125, i.e. getting the time difference corresponding to multiple door open command difference After, directly carry out averaging computing.
The present invention also constructs a kind of control of bluetooth access management system, includes server, multiple Bluetooth terminal and is respectively provided with The control of bluetooth access equipment on doorway, community or unit building doorway.Bluetooth terminal for example, smart mobile phone, panel computer etc..Control of bluetooth access The logical structure of equipment can refer to described previously, does not repeats at this.User is using its Bluetooth terminal to send after door open command, The door open command received is verified by control of bluetooth access equipment, if being verified, then clearance of opening the door, now, control of bluetooth access sets For also ID and transit time can be recorded, form a current record, and upload onto the server.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies Change, equivalent, improvement etc., within should be included in scope of the presently claimed invention.

Claims (9)

1. the time calibrating method of a control of bluetooth access equipment, it is characterised in that including:
S10. receive the door open command that multiple Bluetooth terminal is sent, and obtain the local reception time of each door open command, its In, described door open command includes terminal current time;
S20. according to the local reception time corresponding to each door open command and terminal current time, prover time value is calculated;
S30. according to described prover time value calibration local clock.
The time calibrating method of control of bluetooth access equipment the most according to claim 1, it is characterised in that described step S20 bag Include:
The terminal current time corresponding to the most each door open command was subtracted each other with the local reception time, corresponding to obtain Time difference;
S22. acquired time difference is averaged;
S23. this locality current time is added with described meansigma methods, to obtain prover time value.
The time calibrating method of control of bluetooth access equipment the most according to claim 2, it is characterised in that in described step S21 And between described step S22, the time difference corresponding to the most each door open command is carried out following process:
S24. judge that the time difference corresponding to described door open command whether less than preset value, the most then rejects this door open command Corresponding time difference, wherein, described preset value is less than 0.
The time calibrating method of control of bluetooth access equipment the most according to claim 2, it is characterised in that in described step S21 And between described step S22, also include:
S25. acquired time difference is carried out the disposal of gentle filter.
5. a control of bluetooth access equipment, it is characterised in that including:
Bluetooth module, for receiving the door open command that multiple Bluetooth terminal is sent, and this locality obtaining each door open command connects Between the time receiving, wherein, described door open command includes terminal current time;
Computing module, for according to the local reception time corresponding to each door open command and terminal current time, calculates calibration Time value;
Calibration module, for according to described prover time value calibration local clock.
Control of bluetooth access equipment the most according to claim 5, it is characterised in that described computing module includes:
Subtrator, for respectively the terminal current time corresponding to each door open command being subtracted each other with the local reception time, with Obtain corresponding time difference;
All value cells, for averaging to acquired time difference;
Adder unit, for being added this locality current time with described meansigma methods, to obtain prover time value.
Control of bluetooth access equipment the most according to claim 6, it is characterised in that described computing module includes:
Culling unit, for judging whether the time difference corresponding to described door open command is less than preset value, the most then rejecting should Time difference corresponding to door open command;Wherein, described preset value is less than 0.
Control of bluetooth access equipment the most according to claim 6, it is characterised in that also include:
Filter unit, for carrying out the disposal of gentle filter to acquired time difference.
9. a control of bluetooth access management system, it is characterised in that include the control of bluetooth access described in Bluetooth terminal and claim 5-8 Equipment.
CN201610402266.8A 2016-06-07 2016-06-07 Control of bluetooth access management system, control of bluetooth access equipment and its time calibrating method Active CN106097496B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610402266.8A CN106097496B (en) 2016-06-07 2016-06-07 Control of bluetooth access management system, control of bluetooth access equipment and its time calibrating method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610402266.8A CN106097496B (en) 2016-06-07 2016-06-07 Control of bluetooth access management system, control of bluetooth access equipment and its time calibrating method

Publications (2)

Publication Number Publication Date
CN106097496A true CN106097496A (en) 2016-11-09
CN106097496B CN106097496B (en) 2019-05-28

Family

ID=57228247

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610402266.8A Active CN106097496B (en) 2016-06-07 2016-06-07 Control of bluetooth access management system, control of bluetooth access equipment and its time calibrating method

Country Status (1)

Country Link
CN (1) CN106097496B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109191630A (en) * 2018-08-04 2019-01-11 南京理工大学 A kind of Intelligent door lock in hotel of NFC compatible bluetooth
CN110168941A (en) * 2017-01-04 2019-08-23 皇家飞利浦有限公司 The equipment of wireless transmission for data and/or power

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1829146A (en) * 2005-02-28 2006-09-06 富士通株式会社 Method and apparatus for time calibration
CN201246060Y (en) * 2008-07-22 2009-05-27 沈宁 Safe opened by mobile phone
US20090146744A1 (en) * 2007-12-07 2009-06-11 Tzung-Shian Yang System and method of calibrating real time clock utilizing average calibration
CN101959036A (en) * 2009-07-16 2011-01-26 华为终端有限公司 Method and device for calibrating local time
CN202164891U (en) * 2011-07-21 2012-03-14 浙江凯迪仕实业有限公司 Wirelessly mounted lock for glass door
CN103488247A (en) * 2013-09-17 2014-01-01 沈阳东软医疗系统有限公司 Clock calibration method, device and system
CN103559751A (en) * 2013-11-08 2014-02-05 杭州班博科技有限公司 Auxiliary device and method for confirming cheating attendance behavior
CN104103111A (en) * 2014-07-19 2014-10-15 张明 Automatic access control system based on mobile phone Bluetooth communication and implementation method thereof
CN104460311A (en) * 2014-12-30 2015-03-25 四川九洲电器集团有限责任公司 Time calibration method and device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1829146A (en) * 2005-02-28 2006-09-06 富士通株式会社 Method and apparatus for time calibration
US20090146744A1 (en) * 2007-12-07 2009-06-11 Tzung-Shian Yang System and method of calibrating real time clock utilizing average calibration
CN201246060Y (en) * 2008-07-22 2009-05-27 沈宁 Safe opened by mobile phone
CN101959036A (en) * 2009-07-16 2011-01-26 华为终端有限公司 Method and device for calibrating local time
CN202164891U (en) * 2011-07-21 2012-03-14 浙江凯迪仕实业有限公司 Wirelessly mounted lock for glass door
CN103488247A (en) * 2013-09-17 2014-01-01 沈阳东软医疗系统有限公司 Clock calibration method, device and system
CN103559751A (en) * 2013-11-08 2014-02-05 杭州班博科技有限公司 Auxiliary device and method for confirming cheating attendance behavior
CN104103111A (en) * 2014-07-19 2014-10-15 张明 Automatic access control system based on mobile phone Bluetooth communication and implementation method thereof
CN104460311A (en) * 2014-12-30 2015-03-25 四川九洲电器集团有限责任公司 Time calibration method and device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110168941A (en) * 2017-01-04 2019-08-23 皇家飞利浦有限公司 The equipment of wireless transmission for data and/or power
CN110168941B (en) * 2017-01-04 2021-10-08 皇家飞利浦有限公司 Device for wireless transmission of data and/or power
CN109191630A (en) * 2018-08-04 2019-01-11 南京理工大学 A kind of Intelligent door lock in hotel of NFC compatible bluetooth

Also Published As

Publication number Publication date
CN106097496B (en) 2019-05-28

Similar Documents

Publication Publication Date Title
CN104318654B (en) Building conversational system and method
US20190371105A1 (en) Methods and systems for offline verification code generation based on smart door lock system
CN103840967B (en) A kind of method of fault location in power telecom network
CN206431720U (en) Wireless intelligent access control system
CN105976471B (en) A kind of access control equipment, caller management method and system
CN106846577A (en) Personnel's discrepancy authority control method and device based on recognition of face
CN207409010U (en) The newer temporary password access control system of encryption parameter dynamic
CN107274532A (en) The temporary password gate control system that encryption parameter dynamically updates
CN106211048A (en) The password unlocking method of smart lock, Apparatus and system
CN106803298A (en) Intelligent intercom system and method based on recognition of face
CN106127905A (en) A kind of electrical lock apparatus, system and method for unlocking thereof
CN108230503A (en) A kind of half network type apartment door-locking system based on Bluetooth door lock
CN106408689A (en) Visitor reservation management method and visitor reservation management system
CN110021085A (en) A kind of open-door system and method for barcode scanning parallel proof
CN206921173U (en) Off-line type intelligent access control system based on bluetooth
CN104580246B (en) Dynamic and intelligent safe key is produced and managing and control system and method under WiFi environment
CN104853354A (en) Bluetooth authentication method and system thereof
CN106097496A (en) Control of bluetooth access management system, control of bluetooth access equipment and time calibrating method thereof
CN110070652A (en) A kind of access control method, system, electronic equipment and storage medium
CN114780308A (en) Transformer fault remote intelligent diagnosis system based on 5G and satellite communication technology
CN204217063U (en) Building inter-speaking device
CN105404822B (en) A kind of access rights management method and access rights management system
CN106791595A (en) A kind of equipment fault positioning monitoring system and method based on coding positioning, video evidence obtaining and 3D modeling
CN111243137A (en) Intelligent door lock safety management system based on open architecture
CN106468886A (en) A kind of method and apparatus of third-party control devices

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant