CN101833800A - Remote entrance guard method and system and terminals thereof - Google Patents

Remote entrance guard method and system and terminals thereof Download PDF

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Publication number
CN101833800A
CN101833800A CN200910179670A CN200910179670A CN101833800A CN 101833800 A CN101833800 A CN 101833800A CN 200910179670 A CN200910179670 A CN 200910179670A CN 200910179670 A CN200910179670 A CN 200910179670A CN 101833800 A CN101833800 A CN 101833800A
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China
Prior art keywords
entrance guard
remote entrance
remote
computer system
messenger
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CN200910179670A
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Chinese (zh)
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韩燕�
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Individual
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Individual
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Abstract

The invention relates to a remote entrance guard method and provides a remote entrance guard service system connected with a communication network. The remote entrance guard service system comprises connected entrance guard work station which are operated and controlled by operators. The invention also provides a plurality of remote entrance guard terminals connected with the communication network. Sensors of the remote entrance guard terminals are arranged at customer doors so that the remote entrance guard terminals can analyze and process sensor information on a site. When the remote entrance guard terminals identify that a visitor comes near the customer door, the remote entrance guard terminals send visitor coming information and on-site image information to the remote entrance guard service system; after the visitor coming information is processed by the remote entrance guard service system, the entrance guard work stations receive the on-site image information sent by the remote entrance guard terminals; and the entrance guard work station operator can talk with the visitor at the customer door on a telephone through the remote entrance guard work stations, the communication network and the remote entrance guard terminals.

Description

A kind of method of remote entrance guard and system thereof and terminal
Technical field:
The present invention relates to network computer system and electronic communication, specifically a kind of method of remote entrance guard and system thereof and terminal.
Background technology:
At present general enterprise hires the entrance guard personnel to solve safety problem, and it is bigger hiring special entrance guard's personal expenditures; General private residence is hired special entrance guard personnel, and then expense is too high and can not bear, and at premises the automatic antitheft warning system is installed and is solved safety problem so can only adopt.But the validity of the safeguard protection of automatic antitheft warning system is relatively poor.
Summary of the invention:
The method and service system and the terminal that the objective of the invention is to overcome the deficiency of prior art scheme and a kind of remote entrance guard is provided; realize cheaply that by remote entrance guard enterprise or dwelling house entrance guard ensure service; because this remote entrance guard has the real-time audio and video communication function, make remote entrance guard safeguard protection validity strong and prestige Deterrence power is big.
Said communication network comprises telephone network or internet or computing machine private wire network in this explanation, comprises wire net or wireless communication networks again.
Sensor is also referred to as spot sensor in this explanation, and sensor information is also referred to as spot sensor information, abbreviates on-the-spot heat transfer agent as.
The present invention adopts following technical scheme: a kind of method of remote entrance guard, the remote entrance guard service system of one connection communication network is provided, described remote entrance guard service system comprises continuous tasks of entrance guards station, described tasks of entrance guards station is controlled by personnel operation, some remote entrance guard terminals that connect described communication network are provided again, (messenger or image and microphone and loudspeaker) sensor of described remote entrance guard terminal is installed in place, client doorway, it is characterized in that may further comprise the steps:
The described remote entrance guard terminal of step 1. carries out analyzing and processing to sensor information;
Step 2. judges near the described client doorway that the man-hour of coming is arranged when described remote entrance guard terminal, described remote entrance guard terminal will have messenger's announcement information or and image information send to described remote entrance guard service system;
The described remote entrance guard service system of step 3. is handled the described messenger's of having announcement information, and receive the described scene image information that described remote entrance guard terminal sends by described tasks of entrance guards station, carry out double-directional speech by the messenger of described tasks of entrance guards station operating personnel by described remote entrance guard workstation, described communication network, described remote entrance guard terminal and described client doorway again and converse.
Step 1 explanation: remote entrance guard terminal directly has or not messenger's analyzing and processing to on-the-spot heat transfer agent, this with by remote entrance guard terminal on-the-spot heat transfer agent is offered remote entrance guard service system and has or not messenger's analyzing and processing mode relatively, can alleviate the burden of remote entrance guard service system greatly, also significantly reduce the communication load amount; Whether authentication determination messengers such as the also available password of remote entrance guard terminal, RFID, RFID, fingerprint, appearance are authorized person.
Step 2 explanation: remote entrance guard terminal sends to remote entrance guard service system with the messenger's announcement information that has of the overtime nothing authentication of messenger or messenger's authentification failure.
Step 3 explanation: the described messenger's of having announcement information is handled by remote entrance guard service system, receive the described scene image information that described remote entrance guard terminal sends by described tasks of entrance guards station, carry out the double-directional speech conversation by the messenger of described tasks of entrance guards station operating personnel by described remote entrance guard workstation, described communication network, described remote entrance guard terminal and described client doorway again, double-directional speech conversation at this moment has better practical function than the one-way voice conversation.
The method of described a kind of remote entrance guard, it is characterized in that determining that according to spot sensor information the messenger on described client doorway has when illegally entering client doorway movable, promptly notifies the relevant personnel to handle to the scene when remote entrance guard terminal or remote entrance guard service system.Illegally enter the judgement of the activity of client's door, can from the sensor information that client Men Nei is installed, obtain.
The method of described a kind of remote entrance guard is characterized in that determining that according to on-the-spot heat transfer agent the messenger on described user doorway has when illegally entering client's door movable, promptly notifies the relevant personnel to handle to the scene as tasks of entrance guards station operating personnel.Illegally enter the judgement of the activity of client's door, can obtain from image viewing at the scene.
The method of described a kind of remote entrance guard is characterized in that the sensor information at described scene comprises scene image information.
The method of described a kind of remote entrance guard is characterized in that described spot sensor information comprises that on-the-spot heat releases infrared sensor information or on-the-spot human body electric-field sensor information, or door status sensor information, or sound or light or electric transducer information.
The method of described a kind of remote entrance guard is characterized in that described tasks of entrance guards station carries out long-rangely opening the door or closing gate control to electric door lock by described remote entrance guard terminal.
The method of described a kind of remote entrance guard is characterized in that remote entrance guard terminal or remote entrance guard service system determine near the described client doorway messenger is arranged according to the variation of described on-the-spot heat transfer agent.
A kind of remote entrance guard service system, comprise computer system, comprise the communication network interface unit that is connected with described computer system, comprise the tasks of entrance guards station that links to each other with described computer system again, described computer system also comprises the communications analysis treating apparatus, it is characterized in that described communications analysis treating apparatus also comprise in order be connected as lower device:
Device 1. is used to receive the device that there is messenger's announcement information at scene that described remote entrance guard terminal sends;
Device 2. is used for device that the described messenger's of having announcement information of receiving is handled;
Device 3. is used to receive the device of the scene image information that described remote entrance guard terminal sends;
Device 4. is used to realize carrying out with described remote entrance guard terminal the device of two way voice communication.
A kind of remote entrance guard service system, comprise computer system, comprise the communication network interface unit that is connected with described computer system, comprise the tasks of entrance guards station that links to each other with described computer system again, described computer system also comprises the communications analysis treating apparatus of being made up of the computing machine special software, it is characterized in that the function that realizes described communications analysis treating apparatus software program flow process is:
There is messenger's announcement information at the scene that function 1. receives described remote entrance guard terminal transmission;
The described messenger's of having announcement information that 2. pairs of functions are received is handled;
Function 3. receives the scene image information that described remote entrance guard terminal sends;
Function 4. realizes carrying out two way voice communication with described remote entrance guard terminal.
Described a kind of remote entrance guard service system is characterized in that described computer system also comprises the storage device of remote entrance guard terminal data and spot sensor data.
Described a kind of remote entrance guard service system is characterized in that described computer system also comprises the storage device of client personnel data.
The data of said storage unit is used for tasks of entrance guards station operator in time checks, to remote entrance guard personnel fast processing related work outbalance; When being realized by database, data memory device has more powerful management function.
Tasks of entrance guards station in the remote entrance guard service system is computer operation terminal commonly used, and be subjected to computer system control and management in the remote entrance guard service system, when the remote entrance guard terminal that uses more after a little while, then need 1 tasks of entrance guards station to get final product, at this moment remote entrance guard service system and tasks of entrance guards station are with 1 equipment, see Fig. 1, be about to remote entrance guard service system and tasks of entrance guards station function thereof with finishing with 1 equipment; When remote entrance guard terminal is a lot, 1 remote entrance guard service system equipment comprises many tasks of entrance guards station equipments, sees Fig. 2, and promptly the function of remote entrance guard service system is finished by 2 or above equipment.
Described a kind of remote entrance guard service system is characterized in that described internet interface device and private interface arrangement are the Ethernet interface devices.
Described a kind of remote entrance guard service system is characterized in that the interface arrangement that connects telephone network is the modulator-demodular unit of analog of telephone line or is the modulator-demodular unit of ISDN digital telephone line.
A kind of remote entrance guard terminal, comprise computer system, comprise the communication network interface unit that links to each other with described computer system, comprise (messenger or the image) sensor and microphone and the loudspeaker that link to each other with described computer system, described computer system also comprises the communications analysis treating apparatus, it is characterized in that described communications analysis treating apparatus also comprise in order be connected as lower device:
Device 1. is used to judge that described sensor scene has or not messenger's device;
Device 2. is used for sending the device that messenger's announcement information is arranged to remote entrance guard service system when there is man-hour at described scene;
Device 3. is used for sending to remote entrance guard service system the device of scene image information;
Device 4. is used to realize carrying out with described remote entrance guard service system the device of two way voice communication.
Described a kind of remote entrance guard terminal is characterized in that described computer system is embedded computer or one-chip computer.
Described a kind of remote entrance guard terminal is characterized in that comprising the imageing sensor The Cloud Terrace that links to each other with described computer system.
Described a kind of remote entrance guard terminal is characterized in that comprising that there is messenger's sensor at the scene that links to each other with described computer system.
Described a kind of remote entrance guard terminal is characterized in that described on-the-spot messenger's sensor is door status sensor or pressure transducer.
Described a kind of remote entrance guard terminal is characterized in that described on-the-spot messenger's sensor is that heat is released infrared sensor or human body electric-field sensor.
Described a kind of remote entrance guard terminal is characterized in that described on-the-spot messenger's sensor is sonic transducer or optical sensor or electric-field sensor.
Described a kind of remote entrance guard terminal is characterized in that also comprising the combustion gas detecting sensor that links to each other with described computer system.
Described a kind of remote entrance guard terminal is characterized in that also comprising the Smoke Detection sensor that links to each other with described computer system.
Described a kind of remote entrance guard terminal is characterized in that also comprising the temperature detection sensor that links to each other with described computer system.
Described a kind of remote entrance guard terminal is characterized in that also comprising the door-opening password keyboard that links to each other with described computer system.
Described a kind of remote entrance guard terminal is characterized in that also comprising the electric door lock that links to each other with described computer system.
Described a kind of remote entrance guard terminal is characterized in that also comprising the illuminating lamp that links to each other with described computer system.
Described a kind of remote entrance guard terminal is characterized in that described 1 computer system connects a plurality of clients' sensor.
Described a kind of remote entrance guard terminal is characterized in that a plurality of sensors of 1 client are connected by a plurality of described computer systems respectively.
Described a kind of remote entrance guard terminal is characterized in that a plurality of described computer systems connect a plurality of sensors of 1 client.
Described a kind of remote entrance guard terminal is characterized in that also comprising the wireless induction card (for example RFID) that links to each other with described computer system, or bar code card, or finger-printer reader.
Described a kind of remote entrance guard terminal is characterized in that the interface arrangement that connects telephone network is the telephone modem of analog of telephone line or is the modulator-demodular unit of ISDN digital telephone line.
Described a kind of remote entrance guard terminal is characterized in that described internet interface device and private interface arrangement are the Ethernet interface devices.
Described a kind of remote entrance guard terminal, when it is characterized in that described communication network is wireless 2G, 3G, 4G phone, WI-FI, WIMAX, BlueTooth, UWB net, the remote entrance guard terminal interface arrangement is corresponding wireless transmitter.
The present invention compared with prior art has following advantage and effect:
1. utilize telephone network or internet or private wire network to realize remote entrance guard service cheaply;
2. can be embodied as the long-range Lost/Replacement Key Service of owner.
Description of drawings:
Fig. 1 is a remote entrance guard service system network connection diagram;
Fig. 2 is the network connection diagram of remote entrance guard service system when comprising many tasks of entrance guards stations;
Fig. 3 is the remote entrance guard service system structural representation;
Fig. 4 is a remote entrance guard service system communications analysis treating apparatus ad hoc sofeware program process flow diagram;
Fig. 5 is the remote entrance guard terminal structural representation;
Fig. 6 is a remote entrance guard terminal communications analysis treating apparatus ad hoc sofeware program process flow diagram.
Embodiment:
The invention will be further described below in conjunction with accompanying drawing.
As Fig. 1 and Fig. 2 and shown in Figure 3, remote entrance guard service system comprises computer system, comprise the communication network interface unit that is connected with described computer system, comprise the tasks of entrance guards station that links to each other with described computer system again, it is characterized in that described computer system also comprises the communications analysis treating apparatus of being made up of the computing machine special software.
Remote entrance guard service system is connected with communication network:
When telephone network interface was the circuit domain structure, the interface arrangement of the computer system of described remote entrance guard service system was computer digit telephone sound card or E1/ Ethernet bridge device.
When telephone network interface was the packet domain structure, the interface arrangement of the computer system of described remote entrance guard service system was an ethernet network interface card, directly used the Ethernet interface device to connect communication network.
When communication network is internet or when the computing machine private wire network, the remote entrance guard service system interface arrangement is an ethernet network interface card, directly use the Ethernet interface device to connect communication network.
As shown in Figure 5, a kind of remote entrance guard terminal, comprise computer system, comprise the communication network interface unit that is connected with described computer system, comprise (messenger or the image) sensor and microphone and the loudspeaker that link to each other with described computer system, described computer system also comprises the communications analysis treating apparatus of being made up of the computing machine special software, it is characterized in that the function that realizes described communication processing apparatus software program flow process is:
Function 1. receives and judges that described sensor scene has or not messenger;
Function 2. has messenger's announcement information when described scene has the man-hour of coming to send to remote entrance guard service system;
Function 3. sends scene image information to remote entrance guard service system;
Function 4. realizes carrying out two way voice communication with described remote entrance guard service system.
Function 1 explanation: receive spot sensor information, sensor information can be multiple sensors information, image sensor information for example, and heat is released infrared sensor information, or human body electric-field sensor information, door status sensor information, sound, light, electric transducer information; The sensor information of receiving is carried out analyzing and processing, mainly be that (for example imageing sensor, heat are released infrared sensor for sensor according to the scene, or human body electric-field sensor, door status sensor, sound, light, electric transducer etc.) the change in information analysis determines near the described client doorway whether messenger is arranged, and keyboard signal handled (inessential).
Near function 2 explanations: definite described client doorway, the man-hour of coming is arranged, in the announcement information that remote entrance guard service system sends, comprise sensor data and judged result, also can comprise the communication network address details of oneself; Send image information to remote entrance guard service system again.
Function 3 explanations: send scene image information so that image scene is received at the tasks of entrance guards station to remote entrance guard service system;
Function 4 explanations: the two-way voice communication by between communication network realization remote entrance guard terminal and tasks of entrance guards station, carry out network voice communication with the communication protocol of circuit domain or packet domain.Generally make main control end by the tasks of entrance guards station, remote entrance guard terminal is made controlled terminal.
Remote entrance guard terminal is connected with communication network:
When telephone network interface was the circuit domain structure, the interface arrangement that remote entrance guard terminal connects telephone network was the modulator-demodular unit of analog of telephone line or is the modulator-demodular unit of ISDN digital telephone line.
When telephone network interface was the packet domain structure, the remote entrance guard terminal interface arrangement was an Ethernet interface, directly used the Ethernet interface device to connect telephone network.
When communication network is internet or when the computing machine private wire network, the remote entrance guard terminal interface arrangement is an ethernet network interface card, directly use the Ethernet interface device to connect telephone network.
The door status sensor of remote entrance guard terminal is used for the detection that messenger enters.
The heat of remote entrance guard terminal releases infrared sensor or on-the-spot human body electric-field sensor is used for the physical activity detection; The sonic transducer of remote entrance guard terminal or optical sensor or electric transducer also are used for physical activity and detect.
The gas security of remote entrance guard terminal is used for gas leakage and detects; The Smoke Detection sensor of remote entrance guard terminal is used for fire detection; The temperature detection sensor of remote entrance guard terminal also is used for fire detection.
The keyboard of remote entrance guard terminal is used for the password input of client's mastership authentication; The wireless induction card (RFID) of remote entrance guard terminal, or bar code card, or finger-printer reader is used for client's mastership authentication input.
The electric door lock of remote entrance guard terminal is used for electric open-door.The illuminating lamp of remote entrance guard terminal control is used for on-the-spot illumination.
1 remote entrance guard terminal can connect a plurality of clients' sensor; Perhaps many remote entrance guard terminals connect a plurality of sensors of 1 client together respectively.
Many remote entrance guard terminals can connect 1 preposition (entrance guard) service system earlier, connect communication network by preposition (entrance guard) service system then, are communicated with remote entrance guard service system by preposition (entrance guard) service system again.
Remote entrance guard terminal can be connected internet and telephone network simultaneously with remote entrance guard service system, carries out communication of image information with the internet, makes voice information communication with telephone network.

Claims (10)

1. the method for a remote entrance guard, the remote entrance guard service system of one connection communication network is provided, described remote entrance guard service system comprises continuous tasks of entrance guards station, described tasks of entrance guards station is controlled by personnel operation, some remote entrance guard terminals that connect described communication network are provided again, (messenger or image and microphone and loudspeaker) sensor of described remote entrance guard terminal is installed in place, client doorway, it is characterized in that may further comprise the steps:
The described remote entrance guard terminal of step 1. carries out analyzing and processing to sensor information;
Step 2. judges near the described client doorway that the man-hour of coming is arranged when described remote entrance guard terminal, described remote entrance guard terminal will have messenger's announcement information or and image information send to described remote entrance guard service system;
The described remote entrance guard service system of step 3. is handled the described messenger's of having announcement information, and receive the described scene image information that described remote entrance guard terminal sends by described tasks of entrance guards station, carry out double-directional speech by the messenger of described tasks of entrance guards station operating personnel by described remote entrance guard workstation, described communication network, described remote entrance guard terminal and described client doorway again and converse.
2. remote entrance guard service system, comprise computer system, comprise the communication network interface unit that is connected with described computer system, comprise the tasks of entrance guards station that links to each other with described computer system again, described computer system also comprises the communications analysis treating apparatus, it is characterized in that described communications analysis treating apparatus also comprise in order be connected as lower device:
Device 1. is used to receive the device that there is messenger's announcement information at scene that described remote entrance guard terminal sends;
Device 2. is used for device that the described messenger's of having announcement information of receiving is handled;
Device 3. is used to receive the device of the scene image information that described remote entrance guard terminal sends;
Device 4. is used to realize carrying out with described remote entrance guard terminal the device of two way voice communication.
3. remote entrance guard service system, comprise computer system, comprise the communication network interface unit that is connected with described computer system, comprise the tasks of entrance guards station that links to each other with described computer system again, described computer system also comprises the communications analysis treating apparatus of being made up of the computing machine special software, it is characterized in that the function that realizes described communications analysis treating apparatus software program flow process is:
There is messenger's announcement information at the scene that function 1. receives described remote entrance guard terminal transmission;
The described messenger's of having announcement information that 2. pairs of functions are received is handled;
Function 3. receives the scene image information that described remote entrance guard terminal sends;
Function 4. realizes carrying out two way voice communication with described remote entrance guard terminal.
4. remote entrance guard terminal, comprise computer system, comprise the communication network interface unit that links to each other with described computer system, comprise (messenger or the image) sensor and microphone and the loudspeaker that link to each other with described computer system, described computer system also comprises the communications analysis treating apparatus, it is characterized in that described communications analysis treating apparatus also comprise in order be connected as lower device:
Device 1. is used to judge that described sensor scene has or not messenger's device;
Device 2. is used for sending the device that messenger's announcement information is arranged to remote entrance guard service system when there is man-hour at described scene;
Device 3. is used for sending to remote entrance guard service system the device of scene image information;
Device 4. is used to realize carrying out with described remote entrance guard service system the device of two way voice communication.
5. remote entrance guard terminal, comprise computer system, comprise the communication network interface unit that is connected with described computer system, comprise (messenger or the image) sensor and microphone and the loudspeaker that link to each other with described computer system, described computer system also comprises the communications analysis treating apparatus of being made up of the computing machine special software, it is characterized in that the function that realizes described communication processing apparatus software program flow process is:
Function 1. judges that described sensor scene has or not messenger;
Function 2. has messenger's announcement information when described scene has the man-hour of coming to send to remote entrance guard service system;
Function 3. sends scene image information to remote entrance guard service system;
Function 4. realizes carrying out two way voice communication with described remote entrance guard service system.
6. the method for a kind of remote entrance guard according to claim 1, it is characterized in that determining that according to spot sensor information the messenger on described user doorway has when illegally entering client's door movable, promptly notifies the relevant personnel to handle to the scene when remote entrance guard terminal or remote entrance guard service system.
7. the method for a kind of remote entrance guard according to claim 1, it is characterized in that determining that according to on-the-spot heat transfer agent the messenger on described user doorway has when illegally entering client's door movable, promptly notifies the relevant personnel to handle to the scene as tasks of entrance guards station operating personnel.
8. according to claim 2 or 3 described a kind of remote entrance guard service systems, it is characterized in that described computer system also comprises the storage device of remote entrance guard terminal data and spot sensor data or the storage device of client personnel data.
9. according to claim 4 or 5 described a kind of remote entrance guard terminals, when it is characterized in that described communication network is wireless 2G, 3G, 4G phone, WI-FI, WIMAX, BlueTooth, UWB Access Network, the remote entrance guard terminal communication network interface unit is corresponding wireless transmitter.
10. according to claim 4 or 5 described a kind of remote entrance guard terminals, it is characterized in that also comprising that the door status sensor or the heat that link to each other with described computer system releases infrared sensor or human body electric-field sensor or also comprise the keyboard that links to each other with described computer system.
CN200910179670A 2008-10-19 2009-10-17 Remote entrance guard method and system and terminals thereof Pending CN101833800A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200910179670A CN101833800A (en) 2008-10-19 2009-10-17 Remote entrance guard method and system and terminals thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200810173444.X 2008-10-19
CN200910179670A CN101833800A (en) 2008-10-19 2009-10-17 Remote entrance guard method and system and terminals thereof

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103680027A (en) * 2013-12-05 2014-03-26 阮桂芳 Remote entrance guard monitoring device
CN105336087A (en) * 2015-12-01 2016-02-17 嘉兴职业技术学院 Safety monitoring system based on information technology
CN110738762A (en) * 2019-10-17 2020-01-31 珠海格力电器股份有限公司 Control device for intelligent lock and control system

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CN1975789A (en) * 2006-12-22 2007-06-06 重庆交通大学 Multifunction entrance guard, monitoring and alarming comprehensive system
CN200953174Y (en) * 2006-09-21 2007-09-26 张三川 Remote control electric entrance guard
CN101097604A (en) * 2006-06-26 2008-01-02 群曜企业股份有限公司 Radio frequency identification system and management method using radio frequency identification system
CN101247516A (en) * 2008-03-21 2008-08-20 当代天启技术(北京)有限公司 Visible intercommunication method and system for buildings

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Publication number Priority date Publication date Assignee Title
CN1647534A (en) * 2002-05-28 2005-07-27 爱亭株式会社 Picture phone monitor system
CN2653821Y (en) * 2003-09-24 2004-11-03 蒋孝诚 Visual safety system for entrance guard
CN1819597A (en) * 2004-12-17 2006-08-16 曹冬晖 Use expension of daily electromechanic products
CN101097604A (en) * 2006-06-26 2008-01-02 群曜企业股份有限公司 Radio frequency identification system and management method using radio frequency identification system
CN1932221A (en) * 2006-07-17 2007-03-21 李书浩 Intelligent door lock
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103680027A (en) * 2013-12-05 2014-03-26 阮桂芳 Remote entrance guard monitoring device
CN103680027B (en) * 2013-12-05 2017-01-04 阮桂芳 A kind of remote entrance guard supervising device
CN105336087A (en) * 2015-12-01 2016-02-17 嘉兴职业技术学院 Safety monitoring system based on information technology
CN110738762A (en) * 2019-10-17 2020-01-31 珠海格力电器股份有限公司 Control device for intelligent lock and control system

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Application publication date: 20100915