CN103428585A - Remote access video talkback method using mobile communication device - Google Patents
Remote access video talkback method using mobile communication device Download PDFInfo
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- CN103428585A CN103428585A CN2012101660438A CN201210166043A CN103428585A CN 103428585 A CN103428585 A CN 103428585A CN 2012101660438 A CN2012101660438 A CN 2012101660438A CN 201210166043 A CN201210166043 A CN 201210166043A CN 103428585 A CN103428585 A CN 103428585A
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Abstract
The invention provides a method which combines an access talkback system with a video function and a mobile communication device and improves home security. According to the invention, a household end talkback device in the video access talkback system establishes image and voice two-way connection with the communication device with a mobile data function through the Internet. When a user goes out and no one is at home, someone starts the household end talkback device; the mobile communication device is used to carry out talkback with the people and enable the people to see the image; and the malicious people mistakenly thinks that someone is at home and stops invasion.
Description
Technical field
The invention relates to a kind of entrance guard intercommunication system, in particular to a kind of long distance gate inhibition's video signal intercommunication method in conjunction with the action communicator.
Background technology
The design of general safety system, normally be that detecting finds ruffian's intrusion behavior, then adopts alarm to frighten the resistance ruffian or circular units concerned rush to the rescue, and even the recording of whole event process or make video recording and deposit card etc.This idea of saving from damage is no doubt effective, but the time point of its effect of coming into force is to have started illegal intrusion behavior or afterwards the ruffian, if further at the selected assistant's object of ruffian, recruit to carry out before invading and frightened resistance, when making the effect of saving from damage more improve.
A kind of method that the ruffian adopts often at selected assistant's object palm off exactly some practitioners as postman, gas are tabled look-up, telecommunications maintenance repairer etc., utilize household's intercom system to detect the actual situation in man of resident family.If nobody replys, other just may become assistant's object of ruffian because be regarded as in family unmanned this family.
Known intercom system comprises a visitor who is installed on building discrepancy door and holds resident family's end talkback unit that in talkback unit and building, each resident family all installs.These are to be parallel to the visitor through the cable yarn batches to hold talkback unit at resident family's end talkback unit.The voice dialogue of current break-in between comparatively old-fashioned talkback unit and resident family's end talkback unit, most intercom systems all have two-way or unidirectional imaging function.Have in the intercom system of unidirectional imaging function, the visitor holds talkback unit to have in appearance the doorbell key of a phtographic lens, microphone, loudspeaker and corresponding each resident family.Resident family's end talkback unit has the operating key of a screen, microphone, loudspeaker and control switch door in appearance.When the visitor presses door zero key of corresponding a certain resident family, resident family's end talkback unit can send buzzing or the tinkle of bells, the end talkback unit colleague of resident family can open its screen and show, this resident family can hold the screen of talkback unit to see visitor's image by resident family, and two microphone and loudspeaker dialogues that can see through separately, resident family is after confirming visitor's identity, and available operating key is opened gate and let pass.Framework, function and one-way system with intercom system of bidirectional image function are closely similar, main difference has additional a phtographic lens at two-way resident family's end talkback unit, and the visitor holds talkback unit to have additional a screen, so image each other all can be seen from screen separately by visitor and resident family.
On the other hand, mobile phone the universal device of everyone indispensability that made mobile phone almost become.And along with scientific and technological progress and the competition in market, the function of mobile phone, also from simple voice call, expands to and has the various functions to media, mobile phone that for example can recording playback MP3 music, or the camera cell phone that there is phtographic lens, photography can be provided and make video recording, more and more general.
Therefore a kind of conception is arranged then, by intercom system and the combination of mobile phone mobile phone of living at home, while making someone touch resident family in family end talkback unit, immediately resident family's end to will install and the mobile phone mobile phone between set up two-way voice, unidirectional excessively two-way image line, make the people who is away from home, also can be from mobile phone and visitor (ruffian) conversation, build the sensation that the people is arranged in a kind of family, if the other side nourishes malice, certainly will therefore hesitate to pelt a rat for fear of smashing the dishes and dare not act rashly, so when making home safety more secure.Also can therefore notice whether the uncommon situation of exploring the way is arranged at home in the vicinity, when more stepping up vigilance, take precautions against ahead of time simultaneously.
Summary of the invention
Based on above-mentioned conception, main purpose of the present invention is to propose a kind of method can allow the end user of mobile phone device, when being away from home, can see through the action communicator and immediately learn that someone touches the resident family's end talkback unit in family, and carry out two-way conversation with the other side, as household's talkback unit system is to provide unidirectional imaging function, the end user can see from the screen of action communicator the other side's image, if household's intercom system is to provide two-way imaging function, the end user is except can seeing the other side's image, the communicator phtographic lens of can selecting whether will to take action take the photograph image transfer back to household's intercom system and show with the visitor and hold the screen of intercom system.The end user also can see through the door that its action communicator unlatching is come in and gone out.
The present invention is a kind of long distance gate inhibition's video signal intercommunication method of utilizing the action communicator, it is characterized in that, make to have one of mobile data function action communicator, must hold installing via a resident family of public's Internet and an intercom system, a kind of instant messaging that is comprised voice and image with visitor's end system of this intercom system, the method comprises the following steps: to provide a servomechanism installation, it is characterized in that with the first line, linking between this resident family's end talkback unit, and there is a predetermined and fixing address in this public's Internet, and provide the software module in this action telephone device, this action communicator links and obtains address, a networking by its mobile data function and this public's Internet, by this address of specifying this servomechanism installation, is linked to this servomechanism installation, and this servomechanism installation records this address, networking of this action communicator, this servomechanism installation is as obtained new link, repeat the action of recording this address, networking of previous step, this servomechanism installation is as detected a trigger signals of holding talkback unit from this visitor via this first line, address, networking and this action telephone device according to this record links, within a scheduled time, do not respond as this action device, repeat this step and wait for new link and trigger signals, and this servomechanism installation voice and the image signal digitisation in addition that will receive via this first line, coding, be packaged into package, send this action communicator to according to a predetermined communications protocol, the speech sound signal that this action communicator is received its microphone is via this software module digitisation, coding, be packaged into package, according to this, predetermined communications protocol sends this servomechanism installation to, this software module of this servomechanism installation and this action communicator is after receiving separately the audio-visual package that the other side transmits, decoded and be converted to suitable analog signal, this servomechanism installation is inputted this resident family's end talkback unit by the analogy speech sound signal via this first line, this resident family end talkback unit holds talkback unit to broadcast out via this visitor it again, this action communicator by analogy voice and image signal respectively by its loudspeaker, and screen presents.
Wherein, this first line further comprises voice in parallel with microphone with loudspeaker of this resident family end and connects, with this resident family, holds the screen of a talkback unit image line in parallel, with this resident family, holds the ringing circuit of a talkback unit ring line in parallel.
Wherein, this first line further comprises to be controlled in parallel one of operating key that door opens with this resident family's end device and controls line, this action telephone device must be controlled line via this servomechanism installation and this via specific keys combination of operation, opens this door.
Wherein, this action communicator further comprises a phtographic lens, this first line further comprises an image output line in parallel with this resident family's end device one phtographic lens, this action telephone device must control its phtographic lens take the photograph image signal, whether via these private clothes, put and this image output line, image signal is inputted to this resident family's end to installing, this resident family's end talkback unit sends its internal cable via this intercom system to this visitor again and holds talkback unit, and holds the screen of talkback unit to present by this visitor.
Wherein, when the method is connected with this servomechanism installation in this action communicator, the input that this servomechanism installation provides an interface to require a prescribed password, and, after receiving a proper password, record just now this network address of this action communicator.
Wherein, the link of this action communicator and this servomechanism installation, be to be automatically performed by this software module.
Wherein, the input of this password is provided automatically by this software module.
Wherein, the method, after this servomechanism installation detects this signal that sets out via this first line, can record this event for later reference.
Wherein, the method after this servomechanism installation detects this trigger signals via this first line, can be by this event in the following manner one notify at least one predetermined counterpart: action news in brief and Email.
The main characteristics of the present invention be to utilize mobile data function Internet and the action communicator set up voice between resident family's end talkback unit and mobile phone device, image, with the line of controlling.When the end user of action communicator is away from home, at first utilize the function foundation of mobile data and the line of Internet, then login its address, networking in a servomechanism installation of implementing to provide, in order to do just this servomechanism installation via Internet set up voice, image, with the line of controlling.This servomechanism installation is held voice, image, ring, the control circuit line of talkback unit on the other hand with resident family.This servomechanism installation can learn through ringing circuit thus whether someone presses the doorbell key, the analog signal digitisation that then will collect via voice, image circuit, is packaged into the networking package, via a suitable communications protocol, sends the action communicator to.And end user's voice, image, control are also to transmit servomechanism installation with package, suitable communications protocol, servomechanism installation is converted to voice, image, the control circuit that analog signal is fed into resident family's end talkback unit again.
The detailed description and the claim that hereby coordinate appended diagram, embodiment, by address other purposes of the present invention and be specified in a little after.Yet, when understanding appended diagram pure, be to establish for explaining orally spirit of the present invention, the improper definition that is considered as category of the present invention.The definition of relevant category of the present invention, please refer to appended claim.
The accompanying drawing explanation
Fig. 1 is the system schematic of explanation according to one embodiment of the invention.
Fig. 2 is the flow chart of explanation according to one embodiment of the invention.
The accompanying drawing marking explanation:
10, servomechanism installation
20, resident family's end talkback unit; 21, microphone; 22, loudspeaker; 23, screen; 24, phtographic lens; 25, ringing circuit; 26, operating key; 30, voice line; 32, image input link; 34, image output line; 36, ring line; 38, control line; 50, networking line; 60, public's Internet; 80, action communicator; 100, process step; 110, process step; 120, process step; 130, process step; 140, process step.
Embodiment
The applicable mobile phone device of the present invention refers to supports so-called 2.5G or 3G(for example sees through so-called GPRS) the mobile data function and there is the mobile phone mobile phone of phtographic lens, radio reception, player function (can see through the function of hand-free or the earphone of wire and wireless) or suitable module is installed, possesses the individual action assistant (personal digital assistant, PDA) of above-mentioned functions.In method proposed by the invention, it is that mode with a software module is installed on the action communicator that part is wherein arranged, and the effect of relevant this software module below will make an explanation.This software module is looked the software and hardware platform of action communicator and different applicable modules is arranged, and its mounting means is also looked the software and hardware platform of action communicator and difference is arranged, and can be downloaded or be downloaded and installed via universal sequence port, bluetooth or ultrared line by the another one arithmetic unit by networking.
Intercom system used in the present invention can be both to be stored in Architecural Physics, to have intercom system unidirectional or the bidirectional image function.The visitor of this intercom system holds talkback unit without any need for revising change, and itself and resident family hold cable and the connected mode of the line of talkback unit also must not to revise or change.Resident family end talkback unit can be aim at collocation the present invention, there are voice, image, with resident family's end talkback unit of controlling the import and export end.The resident family that both deposited end can adopt also installing, and so must be by the part of import and export in its voice, image and control circuit suitable pulls out other terminal outside resident family's end device, in order to be connected with following servomechanism installation.
Following embodiment take an intercom system with bidirectional image function to illustrate as example.Embodiment with intercom system of unidirectional imaging function can be easy to be known by inference by the present embodiment.
In method proposed by the invention, wherein the relaying rotating function between resident family end talkback unit and action communicator can be the form of a software module, is executed in an arithmetic unit with suitable interface.This arithmetic unit can make general computer (desktop computer, server etc.), and can being form with interface card, so-called suitable interface is installed in the expansion slot of computer, for example collection and the feed-in of control, voice and the image signal of resident family's end talkback unit can be via the output interface card, sound card and the Frame Grabber that are installed in computer, under the control of this software module, carry out.This software module can be to deposit in the rigid magnetic disc of arithmetic unit.This relaying rotating function also may be implemented in an independence, aims at exclusive device of the invention process.This its essence of exclusive device still belongs to an arithmetic unit, but has integrated all required interfaces, it possess have general computer like processor, memory body, bus-bar etc., and this software module is to deposit in a fast flash memory bank with the firmware form.Separately there are other embodiment to adopt the arrange in pairs or groups mode of outside control device of general computer.
For computer or exclusive device or both combinations of implementing this relaying rotating function, hereinafter referred to as servomechanism installation.This servomechanism installation be take exclusive device and is illustrated as example after following embodiment.The way of other embodiment is when knowing by inference quite easily.In the present invention, this servomechanism installation also need a suitable network interface with the Internet line.This line has multiple possible execution mode, for example servomechanism installation is the port, networking with a RJ45 specification in one embodiment, then the port, networking directly is connected to the modem of an ADSL with network circuit thus, then through ADSL modem and adsl line and Internet line thus.In another embodiment, servomechanism installation is the interchanger that first is attached to a wired local-area network of ether, and then is attached to the ADSL modem.At other embodiment, this local-area network is the Wireless LAN (so servomechanism installation has a Wi-Fi interface) that meets the agreements such as 802.11a/b/g.No matter execution mode is why, servomechanism installation need to have one determine in advance, fixing address, networking or domain name can treat servomechanism installation by any place by specifying this address, networking or domain name to find and link for other devices.
Fig. 1 is the system schematic of explanation according to one embodiment of the invention.As shown in Figure 1, system proposed by the invention is main comprises a servomechanism installation 10, this servomechanism installation 10 and resident family's talkback unit 20 have following several lines: one is the line 30 of voice, and voice line 30 is to be parallel to resident family to hold radio reception (microphone 21) circuit of 20 li of talkback units and (loudspeaker 22) circuit that amplifies to set up two-way voice channel.One is the line 32 of impact input, the line 32 of image input is to be connected in parallel to the circuit that the visitor holds the screen 23 of talkback unit 20, one is the line 34 of image output, and the line 34 of image output is that the phtographic lens 24 transmission image signals that are connected in parallel to resident family's end talkback unit 20 are held the circuit of the screen of talkback unit to the visitor.One is the line 36 of ring, and ring line 36 is to be parallel to the circuit that doorbell key that the visitor holds talkback unit outputs to the ringing circuit 25 of resident family's end talkback unit 20.One is to control line 38, and controlling line 38 is that the operating key 26 that is parallel to resident family's end talkback unit 20 is held the line of the door switch mechanism of talkback unit with the visitor.
Fig. 2 is the flow chart of explanation according to one embodiment of the invention.In step 100, servomechanism installation 10, after opening, enters a standby preparing 80 logins of connection activation communicator.If action communicator login is not yet arranged, and by can touch resident family's end talkback unit 20 time, servomechanism installation 10 does not have the inquiry that the visitor is replied in any action.
In step 110, the end user of action communicator 80 starts action communicator 80, and the mobile data function provided by it, is connected to Internet 60(action communicator 80 and therefore can obtains address, a networking).Then, the end user specifies fixed network address or the domain name of servomechanism installation 10 to be connected to servomechanism installation 10 by the built-in browser function of action communicator 80.Servomechanism installation 10 has the address, networking of in the line request of action communicator 80, automatically learning action communicator 80, and will be recorded in its inner memory body.In certain embodiments, the present invention also more simplifies by the software module that is installed on action communicator 80 process logged in.Also have some embodiment, servomechanism installation 10 to provide to notify the end user to log in web interface and complete.
If action communicator 80 is because shut down or broken string after logging in, after the end user reconnects to Internet, because may obtain different addresses, networking, the end user need to re-start and log in.The address, networking newly logged in can override the address, networking before logged in.Override original correct effectively address, networking for avoiding other people maliciously or being connected to unintentionally servomechanism installation 10, some embodiment can provide the input of a web interface requirement password to confirm end user's identity.This password determined in advance is built in servomechanism installation 10 in being, some embodiment allows that the end user can set up change on their own.This password also may reside in aforesaid software module, by the software module, directly offers servomechanism installation 10 to save landing time.
In step 120, servomechanism installation 10 enters the another one standby, and this standby is waited for visitor's triggering on the one hand, also can wait on the other hand and accept new logging in.The latter in this way, flow process can be got back to step 110 and be received new logging in.
If there is the visitor to hold talkback unit to press end user's doorbell key the visitor, an ac ringing voltage will send servomechanism installation 10 to through ring circuit 36.After servomechanism installation 10 detects this ringing voltage, flow process enters step 130.In step 130, if communication action communicator 80. action communicators 80 are attempted because can not receive signal, shutdown or other reasons can't respond a scheduled time in the address, networking of the action communicator 80 that servomechanism installation 10 records according to it, servomechanism installation 10 can not made any response to visitor's triggering.Process step can be got back to step 120 and continue to await orders.In some embodiments, servomechanism installation 10 can record all visiting times and relevant consulting, also has embodiment only can the visitor be arranged but the situation that can't respond is recorded in inner memory body (can make hard disc or nonvolatile memory body) will consult future for the end user for this.The time that also has embodiment situation can be occurred etc. sends news in brief or sends at least one specific object of email notification.Note that, reach these functions needs the user in advance servomechanism installation 10 to be done to better setting, such as user's title of the address, networking of the server of the Email of hopping, account number and password etc.
The software module that the action communicator is 80 li can the communication in step 130 be started and servomechanism installation 10 is given a response by servomechanism installation 10.If action communicator 80 was responded a scheduled time, process step enters into step 140.In step 140, servomechanism installation 10 has been played the part of the role of relaying conversion, servomechanism installation 10 by addition digitisation of the video-audio signal on the line 32 of voice line 30 and image input, encode, be packaged into package, send action communicator 80 to according to a predetermined communications protocol.Relative, in addition digitisation of the image that the software module of action communicator 80 also captures the speech sound signal of its microphone radio reception gained and phtographic lens, encode, be packaged into package, according to this, predetermined communications protocol sends servomechanism installation 10 to.Servomechanism installation 10 and action communicator 80, after receiving separately the audio-visual package that the other side transmits, are decoded and are converted to suitable analog signal.Servomechanism installation 10 is held talkback unit 20 via 30 feed-ins of voice line to resident family by speech sound signal, resident family's end talkback unit 20 sends it cable via intercom system to visitor again and holds talkback unit, and hold the loudspeaker of talkback unit to broadcast out by the visitor, servomechanism installation 10 is held talkback unit 20 via line 34 feed-ins of image output to resident family by image signal, resident family's end talkback unit 20 sends it cable via intercom system to visitor again and holds talkback unit, and holds the screen of talkback unit to present by the visitor.Similarly, action communicator 80 is presented voice and image signal respectively by its loudspeaker and screen, has therefore completed the two-way communication that the visitor holds talkback unit and action communicator 80.
In some embodiment, although intercom system has the function of bidirectional image, the setting that the present invention can be prior, only carry out unidirectional image transmission.That is to say to only have visitor's image can be presented on the screen of action communicator 80, the image of the phtographic lens acquisition of action communicator 80 can't be apparent on the screen that the visitor holds talkback unit.This setting can be implemented on the software module of servomechanism installation 10 or action communicator 80.Except two-way audio-visual transmission, if the end user confirms visitor's identity, and determine to open the words (for example the family relatives have forgotten the band key) at gate, the software module of action communicator 80 allows that the end user utilizes the specific keys (for example long by numeral 9) of action communicator 80 keyboards, controls the unlatching at gate.This controls signal and sends servomechanism installation 10 to via similar program, and servomechanism installation makes the mechanism of gate keying open gate via controlling line 38.
As the end user, because the end of talk or other reasons are closed the software module of action communicator 80, the software module can send a control signal of hanging up to servomechanism installation 10.After receiving this control signal, servomechanism installation 10 is got back to step 120 and is continued to await orders.In addition, if because broken string or other reasons, action communicator 80 is not responded over a scheduled time in the process of dialogue, and servomechanism installation 10 also can be got back to step 120 and continue to await orders.
In some embodiment, servomechanism installation 10 also can be by the video-audio signal of talk process also synchronous the record in the rigid magnetic disc in it, the consulting in the future for the end user.
By the detailed description of above preferred embodiment, be that hope can be known the feature and spirit of describing this creation more, and not with above-mentioned disclosed preferred embodiment, the category to this creation is limited.On the contrary, its objective is that hope can contain in the category of the scope of the claims that is arranged in the wish application of this creation institute of various changes and tool equality.
Claims (10)
- One kind utilize the action communicator long distance gate inhibition's video signal intercommunication method, it is characterized in that, make to have one of mobile data function action communicator, must hold installing via a resident family of public's Internet and an intercom system, a kind of instant messaging that is comprised voice and image with visitor's end system of this intercom system, the method comprises the following steps: to provide a servomechanism installation, it is characterized in that with the first line, linking between this resident family's end talkback unit, and there is a predetermined and fixing address in this public's Internet, and provide the software module in this action telephone device, this action communicator links and obtains address, a networking by its mobile data function and this public's Internet, by this address of specifying this servomechanism installation, is linked to this servomechanism installation, and this servomechanism installation records this address, networking of this action communicator, this servomechanism installation is as obtained new link, repeat the action of recording this address, networking of previous step, this servomechanism installation is as detected a trigger signals of holding talkback unit from this visitor via this first line, address, networking and this action telephone device according to this record links, within a scheduled time, do not respond as this action device, repeat this step and wait for new link and trigger signals, and this servomechanism installation voice and the image signal digitisation in addition that will receive via this first line, coding, be packaged into package, send this action communicator to according to a predetermined communications protocol, the speech sound signal that this action communicator is received its microphone is via this software module digitisation, coding, be packaged into package, according to this, predetermined communications protocol sends this servomechanism installation to, this software module of this servomechanism installation and this action communicator is after receiving separately the audio-visual package that the other side transmits, decoded and be converted to suitable analog signal, this servomechanism installation is inputted this resident family's end talkback unit by the analogy speech sound signal via this first line, this resident family end talkback unit holds talkback unit to broadcast out via this visitor it again, this action communicator by analogy voice and image signal respectively by its loudspeaker, and screen presents.
- 2. long distance gate inhibition's video signal intercommunication method of utilization according to claim 1 action communicator, wherein, this first line further comprises voice in parallel with microphone with loudspeaker of this resident family end and connects, with this resident family, holds the screen of a talkback unit image line in parallel, with this resident family, holds the ringing circuit of a talkback unit ring line in parallel.
- 3. long distance gate inhibition's video signal intercommunication method of utilization according to claim 2 action communicator, wherein, this first line further comprises to be controlled in parallel one of operating key that door opens with this resident family's end device and controls line, this action telephone device must be via specific keys combination of operation, control line via this servomechanism installation and this, open this door.
- 4. long distance gate inhibition's video signal intercommunication method of utilizing communicator according to claim 2, wherein, this action communicator further comprises a phtographic lens, this first line further comprises an image output line in parallel with this resident family's end device one phtographic lens, this action telephone device must control its phtographic lens take the photograph image signal, whether via these private clothes, put and this image output line, image signal is inputted to this resident family's end to installing, this resident family's end talkback unit sends its internal cable via this intercom system to this visitor again and holds talkback unit, and hold the screen of talkback unit to present by this visitor.
- 5. long distance gate inhibition's video signal intercommunication method of utilization according to claim 1 action communicator, wherein, when the method is connected with this servomechanism installation in this action communicator, this servomechanism installation provides an interface to require the input of a prescribed password, and, after receiving a proper password, record just now this network address of this action communicator.
- 6. long distance gate inhibition's video signal intercommunication method of utilization according to claim 1 action communicator, wherein, the link of this action communicator and this servomechanism installation, be to be automatically performed by this software module.
- 7. long distance gate inhibition's video signal intercommunication method of utilization according to claim 5 action communicator, wherein, the input of this password is provided automatically by this software module.
- 8. long distance gate inhibition's video signal intercommunication method of utilization according to claim 1 action communicator, wherein, the method, after this servomechanism installation detects this signal that sets out via this first line, can record this event for later reference.
- 9. long distance gate inhibition's video signal intercommunication method of utilization according to claim 1 action communicator, wherein, the method after this servomechanism installation detects this trigger signals via this first line, can be by this event in the following manner one notify at least one predetermined counterpart: action news in brief and Email.
- 10. utilization claimed in claim 1 action communicator long distance gate inhibition video signal intercommunication method, wherein, the method is when this action communicator and this visitor hold talkback unit to carry out this instant messaging, and its voice of accepting of this servomechanism installation synchronous recording and image signal are for later reference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101660438A CN103428585A (en) | 2012-05-25 | 2012-05-25 | Remote access video talkback method using mobile communication device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101660438A CN103428585A (en) | 2012-05-25 | 2012-05-25 | Remote access video talkback method using mobile communication device |
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| CN103428585A true CN103428585A (en) | 2013-12-04 |
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| CN2012101660438A Pending CN103428585A (en) | 2012-05-25 | 2012-05-25 | Remote access video talkback method using mobile communication device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI608450B (en) * | 2014-09-17 | 2017-12-11 | 台灣新光保全股份有限公司 | A doorbell communication device and method for managing the same |
| CN108683884A (en) * | 2018-06-13 | 2018-10-19 | 王婷婷 | The intelligent wired building system of video entryphone provided |
-
2012
- 2012-05-25 CN CN2012101660438A patent/CN103428585A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI608450B (en) * | 2014-09-17 | 2017-12-11 | 台灣新光保全股份有限公司 | A doorbell communication device and method for managing the same |
| CN108683884A (en) * | 2018-06-13 | 2018-10-19 | 王婷婷 | The intelligent wired building system of video entryphone provided |
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Application publication date: 20131204 |