CN102891982A - Reversible monitoring system and method of mobile carrier - Google Patents

Reversible monitoring system and method of mobile carrier Download PDF

Info

Publication number
CN102891982A
CN102891982A CN2011102049146A CN201110204914A CN102891982A CN 102891982 A CN102891982 A CN 102891982A CN 2011102049146 A CN2011102049146 A CN 2011102049146A CN 201110204914 A CN201110204914 A CN 201110204914A CN 102891982 A CN102891982 A CN 102891982A
Authority
CN
China
Prior art keywords
end system
mobile carrier
reverse
main control
control system
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
CN2011102049146A
Other languages
Chinese (zh)
Other versions
CN102891982B (en
Inventor
林伯峰
李鸿生
李境岂
林纬达
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.)
SHINSOFT CO Ltd
Original Assignee
SHINSOFT 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 SHINSOFT CO Ltd filed Critical SHINSOFT CO Ltd
Priority to CN201110204914.6A priority Critical patent/CN102891982B/en
Publication of CN102891982A publication Critical patent/CN102891982A/en
Application granted granted Critical
Publication of CN102891982B publication Critical patent/CN102891982B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Closed-Circuit Television Systems (AREA)

Abstract

The invention provides a reversible monitoring system and a method of a mobile carrier, wherein the system is applied in the mobile carrier and is capable of receiving video and audio information of a master control room; the reversible monitoring system comprises a front-end system, a control host and a rear-end system, wherein the front-end system is arranged in the mobile carrier; the rear-end system is arranged in the master control room; online connection between the front-end system and the rear-end system is controlled by the control host; furthermore, the video and audio information of the system at one end is transmitted to the system at the other end by utilizing the control host. The mobile carrier disclosed by the invention is capable of receiving the video and audio information of the master control room so as to reversibly monitor conditions of the master control room.

Description

Mobile carrier can reverse surveillance and method
Technical field
The present invention is relevant for a kind of surveillance and method, especially a kind of mobile carrier that is applicable to mobile carrier can reverse surveillance and method.
Background technology
Generally speaking, the surveillance that is used for mobile carrier, the outside situation that supervises mobile carrier inside by surveillance mostly, in addition when mobile carrier inside has special status to occur, communication request can externally be sent in mobile carrier inside, through external echo and connect intercommunication, outside and obtain the image information of mobile carrier inside by surveillance, the outside can render assistance to and mediate in real time problem accordingly.
For instance, elevator inside has the emergency button to outcall mostly at present, when elevator generation emergency, press the emergency button and can send to the guardroom request of communication, and after waiting for guardroom's response, can utilize intercom to carry out both sides' conversation, then relend and help the guardroom to saving unit (or elevator service personnel) request support from damage, if the emergency button without real-time response, can constantly be pressed in the elevator by the guardroom, until the personnel of guardroom respond.
Summary of the invention
What the embodiment of the invention provided a kind of mobile carrier can reverse surveillance, so that the situation that mobile carrier can reverse supervision master-control room.This can reverse surveillance comprise main control system, front end system and back-end system, and described front end system can supply to be arranged in the mobile carrier, and described back-end system can supply to be arranged in the master-control room, and connects front end system and back-end system by main control system.Wherein, front end system more comprises starting switch, display unit and the first audio transmission device, and back-end system more comprises the second image capture unit and the second audio transmission device.Aforesaid starting switch, display unit, the first audio transmission device, the second image capture unit all are connected with main control system with the second audio transmission device.
The above embodiments utilize starting switch to start or to close monitoring mode, and the signal via main control system reception starting switch is connected with the online of back-end system with startup or closed front end system.The second image capture unit and the second audio transmission device be in order to capturing the audio and video information of master-control room, and transfer to front end system by main control system.Use the image information of display unit to show that the second image capture unit is captured, and the exportable master-control room acoustic information that receives of the first audio transmission device.According to above-mentioned, mobile carrier can monitor the internal state of master-control room, and its internal state comprises image and acoustic information, to reach the effect that mobile carrier can reverse supervision.
In other words, what the invention provides a kind of mobile carrier can reverse surveillance, comprising: main control system; Front end system is used for being arranged at mobile carrier, and described front end system comprises: starting switch, in order to start or to close monitoring mode; Display unit is connected with described main control system, the image information that receives in order to demonstration; And first audio transmission device, be connected with described main control system, in order to transmit acoustic information; Back-end system is used for being arranged at master-control room, and described back-end system is in order to acquisition and the described master-control room audio and video information of transmission, and described back-end system comprises: the second image capture unit in order to capturing described master-control room image, and is sent to described main control system; And second audio transmission device, be connected with described main control system; Described main control system is when starting described monitoring mode according to described starting switch, controlling described front end system is connected with described back-end system is online, so that described display unit shows the image of described the second image capture unit acquisition, and described the first audio transmission device is play the audio frequency of described the second audio transmission device output.
What the embodiment of the invention provided a kind of mobile carrier can reverse supervision method, and the controlled fixture of its main control system has the reverse supervision of mobile carrier of front end system to have the master-control room of back-end system.At first, the enabling signal that starting switch in main control system receiving front-end system produces, main control system are connected front end system and back-end system are online, then, start the second image capture unit and the second audio transmission device in the back-end system, with the audio and video information of acquisition master-control room inside.The image transmission that the second image capture unit is captured via main control system is to front end system, and show with the display unit in the front end system, and second acoustic information that captures of audio transmission device, play by the first audio transmission device in the front end system, this moment, front end system can be by means of the audio and video information that receives, reverse supervision back-end system.
That is to say, what the present invention also provided a kind of mobile carrier can reverse supervision method, be applicable to main control system and control the master-control room that the reverse supervision of mobile carrier with front end system has back-end system, described method comprises: when described main control system received the enabling signal of starting switch in the described front end system, described main control system was controlled described front end system and is connected with described back-end system is online; Start the second image capture unit and the second audio transmission device in the described back-end system; Transmitting image to the display unit in the described front end system that described the second image capture unit captures described master-control room shows; And control described front end system and described back-end system and carry out the two-way call transmission.
In sum, what the embodiment of the invention provided a kind of mobile carrier can reverse surveillance and method, this mobile carrier can reverse surveillance and method can make mobile carrier receive the audio and video information of master-control room, monitor whereby the internal state of master-control room, to reach the effect of reverse supervision.
For enabling further to understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, but these explanations only are used for illustrating the present invention with appended accompanying drawing, but not protection scope of the present invention are done any restriction.
Description of drawings
Fig. 1 be the mobile carrier that provides of the embodiment of the invention can reverse surveillance Organization Chart;
Fig. 2 be the mobile carrier that provides of the embodiment of the invention can reverse surveillance embodiment schematic diagram ();
Fig. 3 be the mobile carrier that provides of the embodiment of the invention can reverse supervision method flow chart;
Fig. 4 be the mobile carrier that provides of the embodiment of the invention can reverse surveillance embodiment schematic diagram (two);
Fig. 5 be the mobile carrier that provides of the embodiment of the invention can reverse surveillance embodiment schematic diagram (three).
[main element description of reference numerals]
1,2,2 ', 2 ": can reverse surveillance
3: can reverse supervision method flow diagram
10,20,20 ', 20 ", 20 " ': front end system
12,24,24 ', 24 ": main control system
14,22,22 ', 22 ": back-end system
26: save unit from damage
100,200,200 ', 200 ", 200 " ': starting switch
102,202,202 ', 202 ", 202 " ': display unit
104,206,206 ', 206 ", 206 " ': the first image capture unit
106,204,204 ', 204 ", 204 " ': the first audio transmission device
140,220,220 ', 220 ": the second image capture unit
142,222,222 ', 222 ": the second audio transmission device
S300: judge whether to start starting switch
S302: display unit is general modfel
S304: the online connection of main control system
S306: start the second image capture unit and the second audio transmission device
S308: switching display device is to monitoring mode and reception audio and video information
S310: judge whether to close starting switch
S312: finish communication
S314: end the online connection of main control system
S316: switching display device is to general modfel
Embodiment
Mobile carrier can reverse surveillance embodiment
Please refer to Fig. 1, Fig. 1 be the mobile carrier that provides of the embodiment of the invention can reverse surveillance Organization Chart.The embodiment of the invention is described can reverse surveillance 1 to comprise back-end system 14 in the front end system 10 in the mobile carrier, main control system 12 and the master-control room.By main control system 12 with front end system 10 and 14 online connections of back-end system.Front end system 10 also comprises starting switch 100, display unit 102, the first image capture unit 104 and the first audio transmission device 106.And back-end system 14 also comprises the second image capture unit 140 and the second audio transmission device 142.
In the front end system 10, starting switch 100 is connected in main control system 12, in order to export startup or shutdown signal to main control system 12.Display unit 102 is connected with main control system 12, in order to play monitoring image, described display unit 102 can be the informative advertising board of playing different mode, for example display unit 102 comprises general modfel and monitoring mode, wherein general modfel can show general image information, this image information can in be built in main control system 12, such as advertisement, news, time and the information such as meteorological, and monitoring mode is the picture of master-control room.
In addition, the first image capture unit 104 is connected with main control system 12, the inner picture of fechtable mobile carrier, and described the first image capture unit 104 can be video camera and IP Camera etc.The first audio transmission device 106 is connected with main control system 12, the first audio transmission device 106 can have loudspeaker, microphone and loud speaker etc., described the first audio transmission device 106 can be play the acoustic information that receives and to the radio reception of mobile carrier inside, the acoustic information of playing can be the acoustic information that the 142 pairs of master-control room radio reception of the second audio transmission device in the back-end system 14 produce.
In the back-end system 14, the second image capture unit 140 fechtable master-control room pictures are to produce the input image, the input image of its generation is the picture that the display unit 102 of front end system 10 is play when monitoring mode, that is to say, described input image can be play by display unit 102.The second audio transmission device 142 is connected with main control system 12, have and play the acoustic information receive and to the function of master-control room inside radio reception, the described acoustic information that receives can be the acoustic information that the 106 pairs of mobile carrier radio reception of the first audio transmission device in the front end system 10 produce.
Main control system 12 can carry out online the connection with back-end system 14 with front end system 10, front end system 10 and the audio and video information of back-end system 14 can be transmitted mutually, described main control system 12 can be front end system main frame and back-end system main frame, and the rear and front end system host is transmitting audio-video information mutually, also or being integrated into a main control system 12 comes co-treatment front and back end system.
Mobile carrier in the present embodiment can be via the enabling signal of starting switch 100, and startup can reverse surveillance 1, and namely the audio and video information with master-control room transfers to mobile carrier, so that mobile carrier can monitor master-control room is inner, reaches the effect of reverse supervision.
Mobile carrier can reverse surveillance another embodiment
Please refer to Fig. 2, Fig. 2 be the mobile carrier that provides of the embodiment of the invention can reverse surveillance embodiment schematic diagram ().Described front end system 20, the back-end system 22 and main control system 24 of can reverse surveillance 2 comprising, wherein front end system 20 can be for being arranged in the mobile carrier, and this mobile carrier can be elevator or the vehicles etc., and back-end system 22 can be for being arranged at master-control room.Front end system 20 also comprises starting switch 200, display unit 202, the first audio transmission device 204 and the first image capture unit 206 in addition, described starting switch 200, the first image capture unit 206 and the first audio transmission device 204 can in be built in display unit 202, so that display unit 202 can contain audio and video information input and output, and control starts or closes the function such as monitoring mode.And back-end system 22 comprises the second image capture unit 220 and the second audio transmission device 222.
Starting switch 200 in the front end system 20 produces and starts or shutdown signals, with start or close described can reverse surveillance 2, wherein starting switch 200 can be push type button, suitching type switch, rotary knob, light sensing switch and touches by switch etc.The described ad-hoc location that can be display unit 202 by switch that touches, for example display unit 202 is touch-screen, has a diagram (being starting switch 200) in display frame, but described icon can be button sign and touch-control block etc., send startup or shutdown signal via touching by this illustrated mode, but the invention is not restricted to this.
And main control system 24 can receive startup or shutdown signal that starting switch 200 produces, is connected with the communication of back-end system 22 is online in order to startup or closed front end system 20, and the online connection of described communication can be radio communication.Main control system 24 can be controlled the open and close of the second image capture unit 220 and the second audio transmission device 222, that is to say, when starting switch 200 was activated, main control system 24 can be opened the second image capture unit 220 and the second audio transmission device 222.
In the back-end system 22, utilize the second image capture unit 220 acquisition master-control room pictures, to produce the input image, display unit 202 outputs in the recycling front end system 20.Described the second image capture unit 220 can be shown device 202 controls, for example the second image capture unit 220 can be the controllable type video camera, and display unit 202 can be touch-screen, utilize Touch Screen Remote the second image capture unit 220, with the direction of change phtographic lens and the distance (namely zooming in or out) of image frame, thereby increase the image capturing range that captures, be noted that, above-mentioned is one embodiment of the present invention, but the invention is not restricted to this.
In addition, the second audio transmission device 222 is in order to the radio reception of master-control room inside, and with the generation acoustic information, described acoustic information is play by the first audio transmission device 204 in the front end system 20, so that mobile carrier can be heard the sound of master-control room inside.And the first audio transmission device 204, is play by the second audio transmission device 222 to produce acoustic information in order to the radio reception of mobile carrier inside again, so that master-control room can be heard the sound of mobile carrier inside.
According to above-mentioned, mobile carrier and master control be transmitting audio-video information mutually, also represents that mobile carrier can receive the audio and video information of master-control room, to reach the effect of the reverse supervision of mobile carrier.Being noted that the above-mentioned embodiments of the invention that are, is not to limit the present invention.
Mobile carrier can reverse supervision method embodiment
Please refer to Fig. 3, Fig. 3 be the mobile carrier that provides of the embodiment of the invention can reverse supervision method flow chart, can reverse supervision method flow Fig. 3 represent this mobile carrier can reverse supervision method according to judging that starting switch 200 starts or cuts out, so that front end system 20 can monitor via main control system 24 situation of back-end systems 22.At first, in step S300, judge whether starting switch 200 is activated, if starting switch 200 is closed conditions, then enters step S302, this moment, display unit 202 was general modfel, kept picture originally; If otherwise starting switch 200 is starting states, then enters step S304.
In step S304, main control system 24 is with front end system 20 and 22 online connections of back-end system.Then, in step S306, start the second image capture unit 220 and the second audio transmission device 222, and begin to capture the audio and video information of master-control room, and transfer to main control system 24.Then, enter step S308, front end system 20 receives audio and video information by main control system 24, and the picture of switching display device 202 is to monitoring mode, and the picture that this moment, display unit 202 was exported is the image of master control.Come again, among the step S310, judge whether starting switch 200 is closed, if starting switch 200 is not closed, resumes step S308 then; If anti-starting switch 200 is closed, then enters step S312, and finish communication this moment.Then enter step S314, end main control system 24 front end system 20 is connected with the online of back-end system 22, this moment, back-end system 22 stopped transmitting audio-video information to front end system 20.At last, in step S316, display unit 202 stops monitoring mode, namely finishes to play master control and looks picture.
Mobile carrier can reverse surveillance another embodiment
Please refer to Fig. 4, Fig. 4 be the mobile carrier that provides of the embodiment of the invention can reverse surveillance embodiment schematic diagram (two), be with the maximum difference of aforesaid Fig. 2 embodiment, Fig. 4 can reverse surveillance 2 ' have two mobile carriers, therefore respectively there is a front end system to be arranged in each mobile carrier, at this with the first front end system 20 ' and the second front end system 20 " expression, total number of units of described mobile carrier is not to limit the present invention.
Therefore, when the first starting switch 200 ' in the first front end system 20 ' is activated, main control system 24 ' is with the first front end system 20 ' and 22 ' the online connection of back-end system, and the audio and video information of master-control room transferred to the first front end system 20 ', so that the first front end system 20 ' can reverse supervision master-control room, this moment the second front end system 20 " can't receive the audio and video information of master-control room; Otherwise when the second front end system 20 " in the second starting switch 200 " when being activated, main control system 24 ' is with the second front end system 20 " with back-end system 22 " the online connection, and the audio and video information of master-control room transferred to the second front end system 20 "; so that the second front end system 20 " can reverse supervision master-control room, this moment, the first front end system 20 ' can't receive the audio and video information of master-control room.In like manner can know by inference, when this system has the multi-section mobile carrier, can also above-mentioned mode reach the effect of the reverse supervision of mobile carrier.Being noted that the above-mentioned embodiments of the invention that are, is not to limit the present invention.
Mobile carrier can reverse surveillance another embodiment
Please refer to Fig. 5, Fig. 5 be the mobile carrier that provides of the embodiment of the invention can reverse surveillance embodiment schematic diagram (three), from earlier figures 2 embodiment maximum different be in, Fig. 5's can reverse surveillance 2 " have a unit of saving from damage 26 (such as saving company/personnel and mobile carrier maintenance company/personnel etc. from damage), can be via radio communication so that front end system 20 " ' can be simultaneously and back-end system 22 " and save from damage 26 online connections of unit.In other words, front end system 20 " ' can be directly with save unit 26 from damage and be connected so that save the guidance that unit 26 can give professional technique in real time from damage, and can be on the scene in very first time personnel assigned and help solve problem.Being noted that the above-mentioned embodiments of the invention that are, is not to limit the present invention.
In sum, the mobile carrier that the embodiment of the invention provides can reverse surveillance and method, this mobile carrier can reverse surveillance and method can obtain via main control system the audio and video information of master-control room so that the situation that mobile carrier can reverse supervision master-control room.For example when mobile carrier suddenly can't normal operation, but nobody responds after pressing the calling for help button, if this moment, the personnel of mobile carrier inside can the real time monitoring master-control room, can confirm further then whether master-control room has the Security Services, with get rid of that call device damaged may, and in the process that waits for rescue the effect of reassuring the public can be arranged.
The above only is embodiments of the invention, and it is not to limit to protection scope of the present invention.

Claims (10)

  1. A mobile carrier can reverse surveillance, it is characterized in that, comprising:
    Main control system;
    Front end system is used for being arranged at mobile carrier, and described front end system comprises:
    Starting switch is in order to start or to cut out monitoring mode;
    Display unit is connected with described main control system, the image information that receives in order to demonstration; And
    The first audio transmission device is connected with described main control system, in order to transmit acoustic information;
    Back-end system is used for being arranged at master-control room, and described back-end system is in order to acquisition and the described master-control room audio and video information of transmission, and described back-end system comprises:
    The second image capture unit in order to capturing described master-control room image, and is sent to described main control system; And
    The second audio transmission device is connected with described main control system;
    Described main control system is when starting described monitoring mode according to described starting switch, controlling described front end system is connected with described back-end system is online, so that described display unit shows the image of described the second image capture unit acquisition, and described the first audio transmission device is play the audio frequency of described the second audio transmission device output.
  2. Mobile carrier as claimed in claim 1 can reverse surveillance, it is characterized in that described mobile carrier is elevator or vehicle-carried.
  3. Mobile carrier as claimed in claim 1 can reverse surveillance, it is characterized in that described front end system more comprises the first image capture unit, in order to capture the inner image of described mobile carrier.
  4. Mobile carrier as claimed in claim 3 can reverse surveillance, it is characterized in that, be built in described display unit in described starting switch, described the first audio transmission device and described the first image capture unit.
  5. Mobile carrier as claimed in claim 1 can reverse surveillance, it is characterized in that described the second image capture unit is remote-controlled video camera.
  6. As the 5th described mobile carrier of claim 1 claim can reverse surveillance, it is characterized in that described display unit is Touch Screen, to touch direction and the visual field of controlling described remote-controlled video camera by mode.
  7. A mobile carrier can reverse supervision method, be applicable to the master-control room that the reverse supervision of mobile carrier that main control system control has front end system has back-end system, it is characterized in that described method comprises:
    When described main control system received the enabling signal of starting switch in the described front end system, described main control system was controlled described front end system and is connected with described back-end system is online;
    Start the second image capture unit and the second audio transmission device in the described back-end system;
    Transmitting image to the display unit in the described front end system that described the second image capture unit captures described master-control room shows; And
    Control described front end system and described back-end system and carry out the two-way call transmission.
  8. Mobile carrier claimed in claim 7 can reverse supervision method, it is characterized in that the method for described online connection is radio communication.
  9. Mobile carrier claimed in claim 7 can reverse supervision method, it is characterized in that described signal transmission more comprises control signal, in order to direction and the visual field of controlling described the second image capture unit.
  10. Mobile carrier claimed in claim 7 can reverse supervision method, it is characterized in that, if described main control system receives the shutdown signal of described starting switch, then finish online connection, and described display unit stops monitoring mode.
CN201110204914.6A 2011-07-21 2011-07-21 Reversible monitoring system and method of mobile carrier Active CN102891982B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110204914.6A CN102891982B (en) 2011-07-21 2011-07-21 Reversible monitoring system and method of mobile carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110204914.6A CN102891982B (en) 2011-07-21 2011-07-21 Reversible monitoring system and method of mobile carrier

Publications (2)

Publication Number Publication Date
CN102891982A true CN102891982A (en) 2013-01-23
CN102891982B CN102891982B (en) 2015-05-13

Family

ID=47535328

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110204914.6A Active CN102891982B (en) 2011-07-21 2011-07-21 Reversible monitoring system and method of mobile carrier

Country Status (1)

Country Link
CN (1) CN102891982B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105306874A (en) * 2015-11-19 2016-02-03 讯美电子科技有限公司 Multifunctional video device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004147108A (en) * 2002-10-24 2004-05-20 Hazuweru:Kk Remote monitoring control system
CN1501601A (en) * 2002-11-15 2004-06-02 北京中星微电子有限公司 Automatic monitoring apparatus and monitoring system and monitoring method based on the same
TWM420003U (en) * 2011-07-06 2012-01-01 Shinsoft Co Ltd Reversible monitoring apparatus and system thereof
CN202168162U (en) * 2011-07-21 2012-03-14 新谊整合科技股份有限公司 Reversible monitoring device and system thereof
TW201304543A (en) * 2011-07-06 2013-01-16 Shinsoft Co Ltd Reversible monitoring system and method of movable carrier

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004147108A (en) * 2002-10-24 2004-05-20 Hazuweru:Kk Remote monitoring control system
CN1501601A (en) * 2002-11-15 2004-06-02 北京中星微电子有限公司 Automatic monitoring apparatus and monitoring system and monitoring method based on the same
TWM420003U (en) * 2011-07-06 2012-01-01 Shinsoft Co Ltd Reversible monitoring apparatus and system thereof
TW201304543A (en) * 2011-07-06 2013-01-16 Shinsoft Co Ltd Reversible monitoring system and method of movable carrier
CN202168162U (en) * 2011-07-21 2012-03-14 新谊整合科技股份有限公司 Reversible monitoring device and system thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105306874A (en) * 2015-11-19 2016-02-03 讯美电子科技有限公司 Multifunctional video device

Also Published As

Publication number Publication date
CN102891982B (en) 2015-05-13

Similar Documents

Publication Publication Date Title
CN109068087B (en) Intelligent conference projection system
US20110115906A1 (en) Monitoring system and control method thereof
CN111083684B (en) Method for controlling electronic equipment and electronic equipment
US20140098227A1 (en) Remote doorbell control system and related smart doorbell device
US20070188307A1 (en) Wireless door intercom apparatus and system comprising same
CN103927200B (en) Electronic equipment awakening method and relevant apparatus
EP4114023A1 (en) Inter-device multimedia content playback continuing method
EP2296358B1 (en) Terminal and control method of a camera thereof
CN103973544A (en) Voice communication method, voice playing method and devices
CN202696794U (en) Visual doorbell system
WO2021190545A1 (en) Call processing method and electronic device
WO2019170003A1 (en) Signal transmission method and apparatus
US20100231793A1 (en) Communication method and device and television employing the same
CN101442628A (en) Television set with monitoring function
CN114596853A (en) Control device and audio processing method
US9692870B2 (en) Monitoring camera system
CN102891982B (en) Reversible monitoring system and method of mobile carrier
CN112243142A (en) Method, device and storage medium for processing audio data
CN109660750B (en) Video call method and terminal
JP2008258695A (en) House information board
TWI511573B (en) Reversible monitoring system and method of movable carrier
CN102014244A (en) Portable electronic system with detachable shooting module
CN202168162U (en) Reversible monitoring device and system thereof
CN106027988A (en) Wireless monitoring system
US8791819B2 (en) Intercom exchange

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant