CN101179714B - Repeater apparatus linking video acquirement apparatus and video recording apparatus using unshielded twisted pair cable - Google Patents

Repeater apparatus linking video acquirement apparatus and video recording apparatus using unshielded twisted pair cable Download PDF

Info

Publication number
CN101179714B
CN101179714B CN2007101999427A CN200710199942A CN101179714B CN 101179714 B CN101179714 B CN 101179714B CN 2007101999427 A CN2007101999427 A CN 2007101999427A CN 200710199942 A CN200710199942 A CN 200710199942A CN 101179714 B CN101179714 B CN 101179714B
Authority
CN
China
Prior art keywords
video
deriving means
signal
utp
difference
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.)
Expired - Fee Related
Application number
CN2007101999427A
Other languages
Chinese (zh)
Other versions
CN101179714A (en
Inventor
张一权
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.)
Hanwha Techwin Co Ltd
Original Assignee
Samsung Techwin 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 Samsung Techwin Co Ltd filed Critical Samsung Techwin Co Ltd
Publication of CN101179714A publication Critical patent/CN101179714A/en
Application granted granted Critical
Publication of CN101179714B publication Critical patent/CN101179714B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/108—Adaptations for transmission by electrical cable the cable being constituted by a pair of wires
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/02—Cables with twisted pairs or quads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/485—End-user interface for client configuration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/907—Television signal recording using static stores, e.g. storage tubes or semiconductor memories
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source

Abstract

Disclosed is a video acquirement apparatus to acquire a video signal of monitoring area, to convert the acquired video signal into a differential video signal and a network stream, and to transmit the converted signal to a repeater apparatus using a UTP cable. The repeater apparatus supplies power to the video acquirement apparatus using the UTP cable, and receives the differential video signal and the network stream from the video acquirement apparatus. If network condition is unsatisfactory, the repeater apparatus outputs the received differential video signal to a video recording apparatus using one UTP cable. The video recording apparatus converts the output differential video signal using one UTP cable into a general video signal, and variably amplifies and records the converted general video signal.

Description

Use utp cable to connect the repeater devices of video deriving means and video recording apparatus
Invention field
This present general inventive concept is usually directed to use unshielded twisted pair (UTP) cable to connect the repeater devices of video deriving means and video recording apparatus.Especially; This present general inventive concept relates to repeater devices; It connects video deriving means and video recording apparatus through the UTP cable, and the difference video signal (differentialvideo signal) that uses the UTP cable that the video deriving means is sent is sent in the video recording apparatus.
Background technology
Provide and keep watch on the video that from the video deriving means, obtains monitor area with the Close Circuit Television (CCTV) system of safety; Through video transmission line this video that obtains is sent and records in the video recording apparatus, and on video display devices, optionally export this video.The image quality that receives in the video recording apparatus depends on this video transmission line very much.
Fig. 1 is the sketch map of a kind of general CCTV system.With reference to figure 1; General CCTV system will be transmitted from the analog video signal that video deriving means 10 obtains and recorded in the video recording apparatus 30 through coaxial cable 20, and the analog video signal of on video display devices 40, selecting output to be transmitted through coaxial cable 20.
Fig. 2 is the view of explanation a kind of general multichannel (road) CCTV system communications line.With reference to figure 2, multichannel (road) CCTV system can comprise a plurality of video deriving means 10.These video deriving means 10 comprise the power line that power supply is provided, and through coaxial cable 20 vision signal of being obtained are sent in the video recording apparatus 30.For example, 16 channels (road) CCTV system as shown in Figure 2 need be to 16 coaxial cables that should 16 channels.
Coaxial cable is significant for video transmission, but has some problems, i.e. elongated along with transmission range, coaxial cable to around noise ratio responsive, and along with the gain of the loss vision signal of signal and high frequency response with step-down.And the large scale of coaxial cable also makes structure become heavy with big weight.
Can restrain oneself the system of the difference video signal of characteristic good and realize above-mentioned characteristic of this present general inventive concept and effect through a kind of transmitted noise that is used for is provided.
Fig. 3 is the view of general analog video signal of explanation and difference video signal.With reference to figure 3, a kind of analog video signal (a) that from video deriving means 10, obtains and transmit through coaxial cable 20 has been described, and the difference video signal (b) that transmits through difference video transmission line 60.This difference video signal (b) comprises the regular vision signal of same-phase and the reverse vision signal of antiphase as this analog video signal (a).
Fig. 4 is the view of the CCTV of illustrative system transmission difference video signal.With reference to figure 4, the analog video signal that this CCTV system will obtain in video deriving means 10 through coaxial cable 20 sends in first transducer 50, and converts analog video signal into difference video signal.The difference video signal that first transducer 50 will be changed through the UTP cable 60 of difference video signal transmission line sends in second transducer 70.This second transducer 70 converts this difference video signal into analog video signal, and sends in the video recording apparatus 30 through the vision signal that coaxial cable 20 will be changed.
First transducer 50 can be a kind of unpowered manual transducer 52, or power active transducer 54 is decayed with respective signal according to the Output Size of length of transmission line adjustment vision signal.Second transducer 70 can be a kind of unpowered manual transducer 72, or power active transducer 74 compensates owing to the image impairment that causes of transmission, such as signal gain and frequency response, and automatic optimization or manual adjustment picture quality.
The transmission line that is used to transmit difference video signal than the coaxial cable that is used to transmit general vision signal more economically.
The CCTV system that is used to transmit difference video signal uses coaxial cable 20 to connect video deriving means 10 and first transducer 50, and second transducer 70 and the video recording apparatus 30.
In multichannel CCTV system, required power line is used to provide power supply to corresponding video deriving means 10.And, need the UTP cable 60 of corresponding each passage that the vision signal that this passage obtained is sent in the video recording apparatus 30.As a result, the cost of implementing this multichannel CCTV system is high, and structure is heavy.
Summary of the invention
This present general inventive concept provides a kind of repeater devices, reduces transmission line through a UTP cable transmission in the CCTV system from the vision signal that multipath obtained through the method for using the transmission difference video signal.
Other aspect of this present general inventive concept and purposes will partly be set forth in explanation subsequently, partly, will from explanation obviously perhaps can from the practice of present general inventive concept, be understood.
This present general inventive concept also provides a kind of repeater devices, under the situation of the power supply line of the correspondence that does not provide power to multipath, to provide power to corresponding multipath.
This present general inventive concept also provides a kind of repeater devices, and this device converts based on network surveillance into and need not change transmission line, and obtains the vision signal of monitor area when in based on network surveillance, network error occurring.
In addition; This present general inventive concept provides the video deriving means, and it perhaps converts the vision signal of directly obtaining into difference video signal under the situation of no differential signal conversion equipment; Perhaps convert network flow into, and the signal of conversion is transferred to the repeater devices that connects through the UTP cable.
In addition; This present general inventive concept provides a kind of video recording apparatus; Directly receive using the UTP cable not have additional device and transmission line from the difference video signal of repeater devices transmission, difference video signal being converted into general vision signal, with and control method.
Other aspect of this present general inventive concept and purposes will partly be set forth in explanation subsequently, partly, will from explanation obviously perhaps can from the practice of present general inventive concept, be understood.
Aforementioned and/or the others of this present general inventive concept can realize that this device comprises through a kind of repeater devices is provided: a plurality of ports that are connected with a plurality of cables through a plurality of video deriving means; The power cell of power is provided to a plurality of video deriving means through a plurality of ports; And output port, output to a video recording apparatus that cable connect that use comprise many piece circuits through a plurality of vision signals that a plurality of ports transmit through said output port from a plurality of video deriving means.
Said device can further comprise: POE (PoE) hub; Said POE (PoE) hub will offer a plurality of video deriving means that use a plurality of ports through the power of power cell input, and a plurality of network flows that will transmit from a plurality of video deriving means that use a plurality of ports output to output port.
Said device can further comprise: switch unit, said switch unit be used for switching output port in case output from a plurality of vision signals of a plurality of video deriving means transmission of using a plurality of ports with from of a plurality of network flows of a plurality of video deriving means transmission of using a plurality of ports.
Many cables can be many unshielded twisted pairs (UTP) cables; Article one, cable can be a UTP cable; And be provided for the corresponding UTP that is included in the UTP cable, and be transferred to video recording apparatus from the differential signal of a plurality of vision signals of a plurality of video deriving means transmission of using a plurality of ports.
Aforementioned and/or others of this present general inventive concept and purposes also can realize that this device comprises through a kind of video deriving means is provided: in order to obtain the shooting unit of vision signal; And converting unit, the vision signal that said converting unit uses active element to obtain from the shooting unit converts difference video signal into, and video signal converted is transferred to the external device (ED) that uses cable to connect.
External device (ED) can be a repeater devices, and video obtains further and comprises: power cell, said power cell be in order to the repeater devices received power from using cable to connect, and power offered take unit and converting unit.
Converting unit can comprise: first and second resistors; In-phase amplifier, the gain that said in-phase amplifier amplifies in order to the homophase of adjusting vision signal according to the variation of first and second resistors; And inverting amplifier, the gain that said inverting amplifier amplifies in order to the anti-phase of adjusting vision signal according to the variation of first and second resistors.
Said device can further comprise: the control signal processor, said control signal processor is in order to control at least one of taking in unit and the converting unit according to the control signal that is transferred to cable through repeater devices.
Said device can further comprise: in order to handle the audio process of input audio signal; And in order to this audio signal is converted into the audio conversion unit of difference audio signal.
Cable can be the UTP cable.
Aforementioned and/or others of this present general inventive concept and purposes also can realize that said device comprises through a kind of video deriving means is provided: in order to obtain the shooting unit of vision signal; And power cell, said power cell is in order to receiving from the power of transmission from the repeater devices of taking vision signal that the unit obtains, and this power is offered the shooting unit.
Aforementioned and/or others of this present general inventive concept and purposes also can be through providing a kind of video deriving means, and said device comprises: in order to obtain the shooting unit of vision signal; The vision signal that converting unit, said converting unit use active element to obtain from the shooting unit converts difference video signal into, and video signal converted is transferred to the external device (ED) that uses cable to connect; NIU, said NIU will be in order to converting network flow into from taking the vision signal that the unit obtained; And unit of transmission and reception, said unit of transmission and reception sends to the external device (ED) that uses cable to connect in order to the network flow that will change.
External device (ED) can be a repeater devices; Network Transmission can receive and provide the power from the repeater devices of using cable to be connected with receiving element; And the video deriving means can further comprise: power cell, said power cell offers shooting unit, converting unit and NIU in order to the power of automatic network unit of transmission and reception in future.
Network Transmission and receiving system can receive the control signal that is transferred to cable through repeater devices.
Converting unit can comprise: first and second resistors; In-phase amplifier, the gain that said in-phase amplifier amplifies in order to the homophase of adjusting vision signal according to the variation of first and second resistors; And inverting amplifier, the gain that said inverting amplifier amplifies in order to the anti-phase of adjusting vision signal according to the variation of first and second resistors.
This cable can be the UTP cable.
Aforementioned and/or others of this present general inventive concept and purposes also can realize that said device comprises through a kind of video recording apparatus is provided: in order to receive the differential signal input of difference video signal; Difference video processor, said difference video processor be in order to converting difference video signal into general vision signal, and amplify the general vision signal of this conversion changeably; And in order to the recording medium of the general vision signal that writes down this amplification.
The differential signal input can comprise a plurality of inputs, and receives a plurality of difference video signals of corresponding input.
Said device can further comprise: controller; Said controller is in order to controlling the amplifieroperation of difference video processor according to the settings of compensating elements, so that the gain through compensating general vision signal and at least one in the frequency response characteristic are come optimize image quality.
Compensating elements can comprise: the gain of general vision signal and at least one in the frequency response characteristic, and controller comes to be provided with automatically the settings of compensating elements according to the cable length of the transmission difference video signal of user's input.
Controller can come the settings of adjustment compensating elements automatically according to user's input.
The difference video processor can comprise: digital-to-analogue (D/A) transducer, and said digital-to-analogue (D/A) transducer is in order to convert the settings of frequency response and the settings of gain into voltage; First variable gain amplifier, said first variable gain amplifier are adjusted the frequency response of general vision signal in order to the basis and the corresponding voltage of frequency response settings of this conversion; And second variable gain amplifier, said second variable gain amplifier is adjusted the gain of general vision signal in order to basis and the corresponding voltage of the settings of the gain of this conversion.
Cable can be the UTP cable.
Aforementioned and/or others of this present general inventive concept and purposes also can realize through a kind of surveillance is provided; Said system comprises: the video deriving means; Said video deriving means is in order to obtaining the vision signal of monitor area, and converts the vision signal that this obtains into difference video signal and network flow; Repeater devices, said repeater devices provides power to the video deriving means in order to the cable that use to connect the video deriving means, and one of the difference video signal that the video deriving means is transmitted and network flow output to the cable with many circuits; And video recording apparatus; This difference video signal that said video recording apparatus is exported in order to a cable that use is connected to repeater devices converts general vision signal into; Amplifying the general vision signal of this conversion changeably, and write down this amplifying signal.
Connect repeater devices and video deriving means and be connected video recording apparatus and the cable of repeater devices can be the UTP cable.
Aforementioned and/or others of this present general inventive concept and purposes also can realize that said system comprises through a kind of video system is provided: one or more in order to obtain the video deriving means of vision signal; Video recording apparatus in order to recorded video signal; And repeater devices, said repeater devices is in order to connect one or more video deriving means and video recording apparatus, and wherein repeater devices arrives video recording apparatus through unshielded twisted pair (UTP) cable connection.
Aforementioned and/or others of this present general inventive concept and purposes also can through provide a kind of network can with repeater devices realize that this device comprises: in order to export first output port of one or more difference video signals; In order to export second output port of one or more network flows; And switch unit, said switch unit is in order to switch between first output port and second output port at predetermined interval detection network state and state Network Based.
Aforementioned and/or others of this present general inventive concept and purposes also can realize that this method may further comprise the steps through a kind of method of improving vision signal is provided: the output display message is to be provided with one or more compensating elements of vision signal; And confirm according to the display message of output whether the user has imported length of transmission line, if so that obtain confirming, the value of the one or more compensating elements corresponding with the length of transmission line of importing is set so automatically; And compensate this vision signal according to being provided with of one or more compensating elements.
Aforementioned and/or others of this present general inventive concept and purposes also can realize that this method comprises through a kind of method of operating video system is provided: obtain vision signal through one or more video deriving means; To offer repeater devices from the vision signal that one or more deriving means obtained; And the vision signal of being obtained is offered video recording apparatus from repeater devices through unshielded twisted pair (UTP) cable.
Aforementioned and/or others of this present general inventive concept and purposes also can realize that this method comprises through a kind of method of operating repeater devices is provided: detect network state at predetermined space; And based on network state; Switching in order to first output port of exporting one or more difference video signals with between in order to second output port of exporting one or more network flows; When detecting the state corresponding to network error with box lunch, switch unit switches in order to export first output port of one or more difference video signals.
The method of a kind of operation monitoring system, this method comprises: the vision signal of obtaining monitor area through the video deriving means; Convert the vision signal of being obtained into difference video signal and network flow through the video deriving means; Through repeater devices power is offered the video deriving means; Use the cable that connects the video deriving means, will output to a cable from the difference video signal and the network flow of video deriving means transmission with many circuits through repeater devices; And, use the difference video signal of a cable output that connects repeater devices to convert general vision signal into through video recording apparatus, amplify the general vision signal of this conversion changeably, and write down this amplifying signal.
Aforementioned and/or others of this present general inventive concept and purposes also can realize that wherein this method comprises through a kind of computer readable recording medium storing program for performing that has the computer program of carrying out a kind of method on it is provided: detect network state at predetermined space; And based on network state; Switching in order to first output port of exporting one or more difference video signals with between in order to second output port of exporting one or more network flows; When detecting the network error state with box lunch, switch unit switches in order to export first output port of one or more difference video signals.
Description of drawings
These of this present general inventive concept and/or other direction and practicality will become from the following explanation of the embodiment that combines accompanying drawing obviously and be easier to and understand, wherein:
Fig. 1 is the view of the common Close Circuit Television (CCTV) of schematic illustration system;
Fig. 2 is the view of the transmission line of the common multichannel CCTV of explanation system;
Fig. 3 is the view of general analog video signal of explanation and difference video signal;
Fig. 4 is the view of the CCTV system of explanation transmission difference video signal;
Fig. 5 is the view of explanation according to the described a kind of multichannel CCTV system communications line of the specific embodiment of this present general inventive concept, and this system comprises and being used for through using unshielded twisted pair (UTP) cable to connect the repeater devices of video deriving means and video record device;
Fig. 6 is the view of explanation according to a kind of video deriving means of the specific embodiment of this present general inventive concept, and this device is through using the UTP cable to be connected with repeater devices;
Fig. 7 A is a kind of schematic block diagram of video deriving means, and wherein this video deriving means described in Fig. 6 is the analog video deriving means;
Fig. 7 B is the view of the converting unit of the video deriving means among the key diagram 7A;
Fig. 7 C is the block diagram of explanation according to the analog video deriving means of another specific embodiment of this present general inventive concept;
Fig. 7 D is the block diagram of explanation according to the analog video deriving means of another specific embodiment of this present general inventive concept;
Fig. 7 E is the block diagram of video deriving means, and the illustrated video deriving means of Fig. 6 is a kind of IP video deriving means therein;
Fig. 7 F is the view of POE (PoE) receiving element of the video deriving means of key diagram 7E;
Fig. 7 G is the schematic block diagram of video deriving means, and the illustrated video deriving means of Fig. 6 is a kind of multi-functional video deriving means therein.
Fig. 8 is the view of explanation according to the repeater devices of a specific embodiment of this present general inventive concept;
Fig. 9 A is that explanation uses the UTP cable to be connected to the block diagram of the repeater devices of analog video deriving means;
Fig. 9 B is explanation is connected to the repeater devices of analog video deriving means according to the use UTP cable of a specific embodiment of this present general inventive concept a block diagram;
Fig. 9 C is explanation is connected to the repeater devices of analog video deriving means according to the use UTP cable of another specific embodiment of this present general inventive concept a block diagram;
Figure 10 is the block diagram according to the video recording apparatus of a specific embodiment of this present general inventive concept;
Figure 11 is the view of explanation according to the input of the video recording apparatus of a specific embodiment of this present general inventive concept;
Figure 12 is the view of explanation according to the difference video processor of the video recording apparatus of a specific embodiment of this present general inventive concept;
Figure 13 is the view of display message that be used to control difference video signal of explanation according to a specific embodiment of this present general inventive concept; With
Figure 14 is the flow chart of explanation according to the control method of the video recording apparatus of a specific embodiment of this present general inventive concept.
Embodiment
The embodiment of this present general inventive concept will be described in detail belows, with reference to accompanying drawing example wherein is described, wherein, identical reference number is represented identical unit in the full text.Below through describing embodiment so that explain this present general inventive concept with reference to accompanying drawing.
Fig. 5 is the view of explanation according to the transmission line of a kind of multichannel CCTV system of this present general inventive concept specific embodiment, and this system comprises and being used for through using unshielded twisted pair (UTP) cable to connect the repeater devices that video deriving means and video are noted down device.
With reference to figure 5, multichannel CCTV system can comprise 100, four repeater devices 300 of 16 video deriving means and a video recording apparatus 400.That is to say that can there be 16 passages in this CCTV system.
Video deriving means 100 converts vision signal into difference video signal, and uses first group of UTP cable 200 that the signal that transforms is sent in the repeater devices 300.That is to say; Between four video deriving means 100 and a repeater devices 300, connect, and four video deriving means 100 send to this difference video signal in the repeater devices 300 through first group of UTP cable 200 with first group of UTP cable 200 short distance.
Especially, this repeater devices 300 uses first group of UTP cable 200 to be connected video deriving means 100 and video recording apparatus 400 with the 2nd UTP cable 250.Repeater devices 300 uses first group of UTP cable 200 to offer video deriving means 100 through the electricity (energy) of power line input.In this embodiment, each repeater devices 300 provides electricity to four video deriving means 100.
Therefore, repeater 300 four difference video signals using four the 2nd UTP cables 250 from four video deriving means 100, to send send in the video recording apparatus 400.The 2nd UTP cable 250 is connected the long distance between repeater 300 and the video recording apparatus 400 through the 2nd UTP cable 250 that is respectively applied for four passages.
In first group of UTP cable 200 and the 2nd UTP cable 250 each can comprise many to UTP, for example four pairs.Transmit through a pair of UTP that use is included in first group of UTP cable 200 from the difference video signal in the video deriving means 100, so that will send in the video recording apparatus 400 through four couples of UTP that are included in the 2nd UTP cable 250 from four difference video signals in four video deriving means 100.
Fig. 6 is the view of explanation according to the described a kind of video deriving means of this present general inventive concept specific embodiment, and this device is through using the UTP cable to be connected with repeater devices.
With reference to figure 6, video deriving means 100 is connected with a UTP cable 200 on being connected to repeater devices 300.An example as video deriving means 100 can use a kind of concealed video camera (carema).The analog video signal that this concealed video camera will obtain from preset monitor area converts difference video signal into, and the difference video signal that uses a UTP cable 200 to change sends in the repeater devices 300.
Fig. 7 A is a kind of schematic block diagram of video deriving means, and wherein this video deriving means described in Fig. 6 is the analog video deriving means.
With reference to figure 7A, video deriving means 100 obtains and the transportation simulator vision signal.Video deriving means 100 can comprise that one is taken unit 110, signal processor 120, transducer 130 and power (power supply) unit 140.
Take unit 110 and obtain analog video signal through converting optical video into electronic signal.
Signal processor 120 is handled the vision signal that from take unit 110, receives, and the analog video signal that will handle sends in the transducer that makes an explanation below 130.
The analog video signal that transducer 130 will obtain from signal processor 120 converts difference video signal into, and the difference video signal that uses one of four couples of UPT being included in the UTP cable 200 to change is transferred in the repeater devices 300.
Transducer 130 is dielectric active transducers, and the output size of its adjustment vision signal is so that the processing signals decay.
Power cell (power unit) 140 offers power one of four couples of UTP being included in the UTP cable 200 and to supplying to take unit 110, signal processor 120 and transducer 130.
Fig. 7 B is the view of the converting unit of the video deriving means among the key diagram 7A.
With reference to figure 7B, transducer 130 is a kind of dielectric active transducers.This transducer 130 converts vision signal into difference video signal through the gain of adjustment vision signal.This transducer 130 can comprise in-phase amplifier Op1, inverting amplifier Op2 and feedback parameter R1 and R2.
Equation 1 is used for adjusting the gain of in-phase amplifier Op1 and inverting amplifier Op2.
[equation 1]
Figure G071J9942720071218D000111
Figure G071J9942720071218D000112
With reference to equation 1, generate difference video signal, wherein gain amplifier and non-gain amplifier are adjusted according to the variable of feedback parameter R1 and R2.
Fig. 7 C is the block diagram of explanation according to the analog video deriving means of another specific embodiment of this present general inventive concept.
With reference to figure 7C, video deriving means 100 can comprise takes unit 110, signal processor 120, transducer 130, power cell 140 and control signal processor 150.
Control signal processor 150 is taken unit 110, signal processor 120 and transducer 130 according to controlling through 200 control signals transmitted of UTP cable.For example, if the variable of feedback parameter R1 and R2 transmits as control signal, control signal processor 150 control transformation devices 130 are adjusted to the feedback parameter R1 that transmitted and the variable of R2 with gain so.Transmit as control signal if the signal of Night or day inter mode is set, 150 controls of control signal processor are taken unit 110 and are handled the video under Night or day inter mode with signal processor 120 so.
Fig. 7 D is the block diagram of explanation according to the analog video deriving means of another specific embodiment of this present general inventive concept.
With reference to figure 7D, video deriving means 100 can comprise takes unit 110, signal processor 120, transducer 130, power (power supply) unit 140, control signal processor 150, Sound Processor Unit 160 and acoustic transducer 165.
Sound Processor Unit 160 is handled the analoging sound signal of from microphone, importing, and the analoging sound signal that will handle sends in the acoustic transducer of describing below 165.
The analoging sound signal that acoustic transducer 165 will transmit from Sound Processor Unit 160 converts the difference voice signal into, and uses difference transmission of sound signals that one of four couples of UTP being included in the UTP cable 200 will change in repeater devices 300.
Acoustic transducer 165 will convert analoging sound signal into through the difference voice signal of UTP cable 200 transmission, and the analoging sound signal that will change is transferred in the Sound Processor Unit 160.Sound Processor Unit 160 is handled the analoging sound signal of transmission from acoustic transducer 165, and through the loud speaker output sound.
If use the control signal of UTP cable 200 input audio signals, Sound Processor Unit 160 and acoustic transducer 165 come processing audio signal according to the control of this control signal processor 150 so.
Fig. 7 E is the block diagram of video deriving means, and wherein the illustrated video deriving means of Fig. 6 is a kind of IP video deriving means.
With reference to figure 7E, video deriving means 100 is connected on the network.This video deriving means 100 obtains analog video signal, and the vision signal that in network flow, provides this to obtain.This video deriving means 100 can comprise takes unit 110, signal processor 120, power cell 140, POE (PoE) receiver 170 and NIU 180.
The vision signal that signal processor 120 will transmit from take unit 110 converts digital signal into.The electricity that power cell 140 will provide from the PoE receiver 170 that will make an explanation below offers takes unit 110, signal processor 120 and NIU 180.
PoE receiver 170 receives from the power supply that is included in one of four couples of UTP in the UTP cable 200, and network flow is transferred to one of four couples of UTP except difference video signal transmission UTP and power supply supply UTP.
NIU 180 converts the digital video signal of signal processor 120 conversions into network flow (network stream), and this network flow is transferred to PoE receiver 170.NIU 180 can comprise coder-decoder 182 and Ethernet interface unit 184.Coder-decoder 180 converts digital video signal into network flow, and this Ethernet interface unit 184 is transferred to this network flow on the PoE receiver 170 according to ICP/IP protocol.
Fig. 7 F is the view of POE (PoE) receiving element of the video deriving means of key diagram 7E.
With reference to figure 7F, PoE receiver 170 can comprise power source arrangement (PSE) 172 and power device (PD) 174.
PSE172 offers signal with the power supply of 48V and uses DC transducer 175 that the 48V power source conversion is direct current (DC) to line, PD174, and exports electricity (power) source of this conversion.Network data line and power line are shared.That is to say that power supply is provided for signal to line, and network flow is transferred to signal to one in the line.
Fig. 7 G is the schematic block diagram of video deriving means, and wherein the illustrated video deriving means of Fig. 6 is a kind of multi-functional video deriving means.
With reference to figure 7G, video deriving means 100 is a kind of video deriving means of the IP video deriving means of a kind of analog video deriving means that has made up Fig. 7 A and Fig. 7 E.This video deriving means 100 can comprise takes unit 110, signal processor 120, transducer 130, power cell 140, PoE receiver 170 and NIU 180.
The vision signal that this video deriving means 100 will obtain from preset monitor area converts difference video signal and network flow into, and through UTP cable 200 this video signal converted is transferred in the repeater devices 300.
If in based on network CCTV system,, avoid the omission of monitor area information so through the transmission difference video signal owing to the such mistake of monitor area information takes place not obtain network error.
Fig. 8 is the view of explanation according to the repeater devices of the specific embodiment of this present general inventive concept.
With reference to figure 8, repeater devices 300 is connected with four video deriving means (ch.1-ch.4) through four UTP cables (202-208).
Repeater devices 300 uses four UTP cables (202-208) that the power of power line input is offered video deriving means (ch.1-ch.4).Repeater devices 300 is transferred to four difference video signals in the video recording apparatus 400 through four couples of UTP that are included in one of the 2nd UTP cable 250, and four difference video signals transmit from video deriving means (ch.1-ch.4) through four UTP cables (202-208).
Fig. 9 A is that explanation uses the UTP cable to be connected to the block diagram of the repeater devices of analog video deriving means.
With reference to figure 9A, repeater devices 300 can comprise that power connector 310, power provide device 320 and five UTP cableports (332-340).
Power connector 310 is through power supply line received power.The power that power provides device 320 through four the UTP cables (202-208) that are connected to four UTP cableports (332-338) power connector 310 to be imported offers video deriving means (ch.1-ch.4).
Four the UTP cables (202-208) that connect repeater devices 300 and video deriving means (ch.1-ch.4) are connected to four UTP cableports (332-338).UTP cableport 340 of residue as the output cable port is connected on the UTP cable 250 that connects repeater 300 and video recording apparatus 400.
Four couples of UTP through being included in the 2nd UTP cable 250 that is connected on the output UTP cableport 340 are transferred to four difference video signals in the video recording apparatus 400, and these four difference video signals are to transmit from video deriving means (ch.1-ch.4) through four the UTP cables (202-208) that are connected on four UTP cableports (332-338).
Fig. 9 B is explanation is connected to the repeater devices of analog video deriving means according to the use UTP cable of a specific embodiment of this present general inventive concept a block diagram.
With reference to figure 9B, repeater 300 can comprise power connector 310, PoE hub 320 and six UTP cableport 332-342.
The power that PoE hub 320 is imported power connector 310 through four the UTP cables (202-208) that are connected to four UTP cableports (332-338) offers video deriving means (ch.1-ch.4)
PoE hub 320 is used to be included in and is connected to UTP cableport 342 and with four couples of UTP in the UTP cable of output network stream four network flows is sent on the network, and four network flows are to come from video deriving means (ch.1-ch.4), to transmit through four the UTP cables (202-208) that are connected to four UTP cableports (332-338).
That is to say; If repeater 300 connects video deriving means 100 and networks, so repeater 300 comprise with difference video signal output to video recording apparatus 400 be used to export the port 340 of difference video signal and network flow outputed to the port 342 that is used for output network stream on the network.
Be provided with the UTP cable that the port 340 that is used to export difference video signal connects repeater devices 300 and video recording apparatus 400, and be provided with the UTP cable that the port 342 that is used for output network stream connects repeater devices 300 and network.
Fig. 9 C is explanation is connected to the repeater devices of analog video deriving means according to the use UTP cable of another specific embodiment of this present general inventive concept a block diagram.
With reference to figure 9C, repeater devices 300 can comprise power connector 310, PoE hub 320, seven UTP cableports (332-342 and 360) and switch units 350.Power connector 310, PoE hub 320 and six UTP cableports (332-342) are carried out and the described identical function of Fig. 9 B.
Switch unit 350 or switch is used to export output or the output of switching the port 342 that is used for output network stream of the port 340 of difference video signal.That is to say that repeater devices 300 is checked network state at regular intervals so that network switches the output of the port 340 that is used to export difference video signal when going wrong.
If because the network error in based on network CCTV system and the mistake that do not obtain monitor area information occurs is avoided the omission of monitor area information through transmitting difference video signal so.
Figure 10 is the block diagram according to a kind of video recording apparatus of a specific embodiment of this present general inventive concept.
With reference to Figure 10, video recording apparatus 400 can comprise actuation unit 411, audio input end 412; Audio signal processor 413, audio output 414, differential signal input 415; Difference video processor 420, video signal preprocessor 430, display message generation unit 431; Video output terminals 432, memory cell 433, recording medium 434 and controller 435.
Actuation unit 411 is provided with the button that is used for generating according to the order that is used for the user input signal.If button has been selected in the operation through the user, actuation unit 411 generates the input signal of corresponding selected button so, and the input signal that is produced is transferred in the controller that makes an explanation below 435.Usually, actuation unit 411 can be arranged on the console panel on the video recording apparatus 400, remote controller, and the operating device that is provided with separately, and be used for external device (ED) through network input steering command.
Audio input end 412 offers audio signal processor 413 from outside received audio signal and with the audio signal that is received.
The audio signal that audio signal processor 413 decodings send from audio input end 412, and the audio signal that will decode offers audio output that makes an explanation below 414 and recording medium 434.
Audio output 414 will send to the external audio output device from the audio signal that audio signal processor 413 sends over.
Differential signal input 415 receives difference video signal through the terminal (for example RJ-45 connector) that is connected to UTP cable 250, and the difference video signal that will receive offers in the difference video processor 420 that makes an explanation below.
Difference video processor 420 will convert general vision signal into through the difference video signal of difference video signal input 415 inputs, and amplify the general vision signal of this conversion erratically.Especially; Difference video processor 420 as above described difference video signal converts general vision signal into; And the general vision signal of under the control of controller 435, amplifying erratically this conversion through at least one in the compensating elements of compensation is so that optimize image quality, the gain of said compensating elements such as general vision signal and frequency response characteristic.Hereinafter use description to be provided with compensating elements display message generation and according to the setting of user operation commands to compensating elements.
The vision signal that video signal preprocessor 430 decodings send from difference video processor 420, and the vision signal that will decode offers display message generation unit that makes an explanation below 431 and recording medium 434.
Display message generation unit 431 generates and is used for display message that video recording apparatus 400 is provided with and controls, and the display message that is produced is exported or with exporting from the vision signal of video signal preprocessor 430 individually.
The vision signal that video output terminals 432 will receive from display message generation unit 431 sends to the external video display unit.
Memory cell 433 control algorithm storages are provided with and control of video tape deck 400.In addition, memory cell 433 storages are according to the signal gain of length of transmission line and the optimize image quality of settings to be used for compensating through element of frequency response characteristic.
Recording medium 434 comes store video and audio signal through the recording medium interface that in video recording apparatus 400, is provided.For example, recording medium can be tape or dish, CD, memory stick or the like.
Controller 435 is pre-stored in whole operations that the control algolithm in the memory cell 433 is come control of video tape deck 400 according to the user's who imports through actuation unit 411 order, use.
Come optimize image quality for the gain through compensating general vision signal and at least one in the frequency response characteristic, controller 435 is also controlled the amplifieroperation of difference video processor 420 according to the settings of compensating elements.
In addition; For the settings of compensating elements is set; Controller 435 generates compensating elements through display message generation unit 431 window is set; And the compensating elements that will generate is provided with window and outputs in the external video display unit, so that the settings of compensating elements is set according to the input of user's operation.
In addition, controller 435 comes to be provided with automatically the settings of compensating elements according to stored setting value in memory cell 433, and it was provided with according to the length of transmission line of the difference video signal of user's input.Carry out the meticulous adjustment of settings through the input of user's operation.Especially, by as above describing the vision signal that compensates output according to being provided with of compensating elements, so that the vision signal that will compensate directly shows.
Therefore, the quality of output video is enhanced, and the user can be provided with the compensating elements of video at an easy rate, so that improve user convenience property.
Figure 11 is the view of explanation according to the input of the video recording apparatus of a specific embodiment of this present general inventive concept.
With reference to Figure 11, differential signal input 415 is set in the back of video recording apparatus 400.That is to say that Figure 11 is the rearview of the video recording apparatus 400 that is provided with in the 16 channel C CTV systems shown in Fig. 5, and this differential signal input 415 comprises four inputs.Because the video that is obtained by four passages is sent on the UTP cable, 16 videos that passage obtained are sent on four UTP cables.
Especially; Differential signal input 415 comprises four inputs; It comprises the input that is connected on the UTP cable that is used to transmit the video that is obtained by passage 1-4; Be connected to the input on the UTP cable that is used to transmit the video that is obtained by passage 5-8, be connected to the input on the UTP cable that is used to transmit the video that is obtained by passage 9-12, and be connected to the input on the UTP cable that is used to transmit the video that is obtained by passage 13-16.
Traditionally, if the CCTV system is connected on the coaxial cable, video recording apparatus comprises 16 inputs, but comprises four inputs according to 16 channel C CTV systems of the specific embodiment of this present general inventive concept.
Figure 12 is the view of explanation according to the difference video processor of the video recording apparatus of a specific embodiment of this present general inventive concept.
With reference to Figure 12, difference video processor 420 can comprise digital-to-analogue (D/A) transducer 421, the first variable gain amplifiers 422 and second variable gain amplifier 426.
If the settings such as gain and the such compensating elements of frequency response characteristic is set up according to the input that the user operates, controller 435 is sent to this settings in the D/A converter 421 so.
D/A converter 421 is changed the settings that sends in the slave controller 435, and exports as the value that voltage will be changed.D/A converter 421 will output in first variable gain amplifier 422 corresponding to the voltage of the response settings of adjusting frequency, and will output in second variable gain amplifier 426 corresponding to the voltage of gain adjustment settings.
First variable gain amplifier 422 can comprise first voltage control multiplication (multiplication) device 423 and first operational amplifier (OP AMP) 425, and second variable gain amplifier 426 can comprise second voltage control multiplication (multiplication) device 428 and second operational amplifier (OP AMP) 429.
First and second variable gain amplifiers 422 and 426 use R GThe voltage level of difference video signal that will be through differential signal input 415 input converts electric current I into RGVoltage control multiplication (multiplication) device 423 and 428 through being included in first and second variable gain amplifiers 422 and 426 will be applied to electric current I according to the settings of frequency response adjustment and the settings of gain adjustment RGUse the electric current I of corresponding settings RGBe sent on the amplifying stage among the first and second OP AMP425 and 429 with current feedback structure.
First variable gain amplifier 422 is according to the frequency response of this settings adjustment difference video signal, and second variable gain amplifier 426 adjusts the gain of variable vision signal according to this settings, and exports this adjusted value.The output of second variable gain amplifier 426 is operated in the amplifying stage of first variable gain amplifier 422 as feedback current, so that output final video signal.
Figure 13 is the view of display message that be used to control difference video signal of explanation according to a specific embodiment of this present general inventive concept.
Figure 13 is the view of the following content of explanation; Screen 510 promptly is set; The detailed compensating elements that compensating elements is provided with window 520 and external video display unit is provided with screen 530, and wherein the combination demonstration is provided with such display message such as channel, screen setting and compensating elements on the external video display unit.
Compensating elements is provided with the settings (Gain (gain), Freq (frequency)) of compensating elements that window 520 presents whole distances (Distance) and the Set For Current of UTP cable.If selected compensation that in the window 520 is set, will show that so detailed compensating elements is provided with screen 530.
If the user is provided with the distance of having imported transmission line on the screen 530 in detailed compensating elements, according to input value gain and frequency are set on preset value so.Then, can be according to the meticulous compensating elements that is provided with of user's input.
Figure 14 is the flow chart of explanation according to the control method of the video recording apparatus of a specific embodiment of this present general inventive concept.
With reference to Figure 14, in operation S610, controller 435 control display message generation units 431 are so that the output display message is provided with compensating elements.
Then, in operation S620, controller 435 confirms that according to the display message of in operation S610, exporting whether the user is through operating unit 411 input length of transmission line.
If confirm that length of transmission line is transfused to, in operation 630, controller 435 is provided with the value of compensating elements automatically so that mate with the transmission line length length of input so.Otherwise in operation S650, controller 435 judges whether to be provided with through operating unit 411 inputs the meticulous adjustment of compensating elements (key element).
For example, controller 435 is provided with compensating elements according to the compensating elements value of presetting and being stored in the memory cell 433 based on length of transmission line.
In operation S640, controller 435 is controlled the amplifieroperation of difference video processor 420 so that vision signal is compensated according to compensating elements is set.Therefore, this outputting video signal is compensated and exports.
In operation S650, controller 435 judges whether to be provided with through operating unit 411 inputs the meticulous adjustment of compensating elements.
If imported meticulous adjustment, controller 435 executable operations S640 once more so is so that outputting video signal is compensated and exports.
The UTP cable comprises four couples of UTP, but this only is a specific embodiment of this present general inventive concept.Therefore, the UTP cable can comprise a plurality of UTP except four couples.Though implement the UTP cable and four video deriving means are connected on the repeater devices with four couples of UTP, this only is a specific embodiment of this present general inventive concept.Therefore, be included in the situation in the UTP cable according to for example a plurality of UTP, a plurality of video deriving means except four can be connected on the repeater devices.
This present general inventive concept can also be implemented as the form of the computer-readable code on computer-readable medium.Computer-readable medium can comprise computer readable recording medium storing program for performing and computer-readable transmission medium.This computer readable recording medium storing program for performing is any data storage device, and it can be stored can be by the data that computer system read.The example of computer readable recording medium storing program for performing can comprise read-only memory (ROM), random-access memory (ram), CD-ROM, tape, floppy disk and optical data storage device.Computer readable recording medium storing program for performing can also be distributed on the computer system of network connection, so that computer-readable code can be stored and carry out with the form that distributes.The computer-readable transmission medium can transmit carrier wave or signal (for example, carrying out wired or wireless transfer of data through the Internet).Equally, the programmer in field can easily understand functional program, code and the code segment of realizing this present general inventive concept under this present general inventive concept.
As stated, use the transmission method that the UTP cable suppresses the difference video signal of synchronization noise through use and improved efficiency of transmission.Equally, because the structure of CCTV system becomes simply, so when the CCTV system of UTP cable had been used in use, compared with the traditional C CTV system that uses coaxial cable, the expense of transmission line obtained reducing, and produces convenient.
Be positioned at short-range a plurality of video deriving means and be connected on the repeater devices, and power is offered a plurality of video deriving means, so that reduce to implement to be used to provide the expense of the line of power through repeater devices.Repeater devices will send to from the difference video signal that a plurality of video deriving means obtain through a UTP cable and be positioned at remote video deriving means, so that reduce the expense of implementing transmission line.
Because the structure of transmission line is identical with the structure of the legacy network transmission line that comprises UTP cable and hub, is easily so be transformed into based on network surveillance, and need not replaces transmission line.
Difference video signal and network flow are by simultaneously or optionally export through the UTP cable.Therefore, when network error occurring, difference video signal is selected output, omits so that prevent the information of monitor area.
The user is not having attachment device and transmission line under situation, directly to receive difference video signal to convert this difference video signal into general vision signal.As a result, when implementing the CCTV system, improved overall system efficiency and simplified system configuration according to the repeater devices of this present general inventive concept specific embodiment.
Traditional difference video signal is to control through mechanically actuated operation, checks through the screen that shows according to the settings of using display message and the while control compensation but the user uses repeater devices.Especially, the compensating elements according to length of transmission line except the direct input of compensating elements is provided with automatically in advance, so that the value of storage is set up.Therefore, user convenience property is improved.
Though the various embodiment of this present general inventive concept are described and describe; Those skilled in the art understands; Under the situation of principle that does not break away from this present general inventive concept and spirit; Can on these embodiment, make a change, the scope of this present general inventive concept is limited in claim and the equivalent thereof.

Claims (18)

1. repeater devices comprises:
Through a plurality of ports that a plurality of video deriving means are connected with many unshielded twisted pair UTP cables, wherein, the quantity of said UTP cable is corresponding to the quantity of said a plurality of video deriving means;
The power cell of power is provided to a plurality of video deriving means through said a plurality of ports; And
Output port; Output to a video recording apparatus that UTP cable connect that use comprise many piece UTPs through a plurality of vision signals that a plurality of ports send through said output port from a plurality of video deriving means; Wherein, the quantity of said UTP is corresponding to the quantity of said a plurality of video deriving means.
2. device as claimed in claim 1 further comprises:
POE (PoE) hub; Said POE (PoE) hub will offer a plurality of video deriving means that use a plurality of ports through the power of power cell input, and a plurality of network flows that will send from a plurality of video deriving means that use a plurality of ports output to output port.
3. device as claimed in claim 2 further comprises:
Switch unit, said switch unit are used for switching output port so that a plurality of vision signals that output is sent from a plurality of video deriving means that use a plurality of ports and a plurality of network flows of sending from a plurality of video deriving means that use a plurality of ports one.
4. device as claimed in claim 1, wherein:
The differential signal of a plurality of vision signals of sending from a plurality of video deriving means that use a plurality of ports is provided for the corresponding UTP that is included in the UTP cable, and is sent to video recording apparatus.
5. repeater devices as claimed in claim 2, wherein,
Output port comprises:
In order to export first output port of one or more difference video signals;
In order to export second output port of one or more network flows;
Said repeater devices also comprises:
Switch unit, said switch unit are used for switching between first output port and second output port with predetermined interval detection network state and state Network Based.
6. repeater devices as claimed in claim 5, wherein:
When the state that detects corresponding to network error, switch unit switches to first output port to export one or more difference video signals.
7. video recording apparatus comprises:
A plurality of differential signal inputs; Each differential signal input receives difference video signal through the terminal that is connected to a unshielded twisted pair UTP cable; Said UTP cable is connected to repeater devices and comprises many UTP; Wherein, obtain difference video signal from the video deriving means, the quantity of said UTP is corresponding to the quantity of the video deriving means that is connected to repeater devices;
Difference video processor, said difference video processor are in order to converting difference video signal into general vision signal, and the general vision signal of amplifying the conversion gained changeably; And
Recording medium in order to the general vision signal that writes down this amplification.
8. device as claimed in claim 7 further comprises:
Controller, said controller be in order to controlling the amplifieroperation of difference video processor according to the settings of compensating elements, so that the gain through compensating general vision signal and at least one in the frequency response characteristic are come optimize image quality.
9. device as claimed in claim 8; Wherein compensating elements comprises: the gain of general vision signal and at least one in the frequency response characteristic, and controller comes to be provided with automatically the settings of compensating elements according to the UTP cable length of the transmission difference video signal of user's input.
10. device as claimed in claim 8, its middle controller comes the settings of adjustment compensating elements automatically according to user's input.
11. device as claimed in claim 7, wherein the difference video processor comprises:
Digital-to-analogue (D/A) transducer, said digital-to-analogue (D/A) transducer is in order to convert the settings of frequency response and the settings of gain into voltage;
First variable gain amplifier, said first variable gain amplifier are adjusted the frequency response of general vision signal in order to basis and the corresponding voltage of being changed of frequency response settings; And
Second variable gain amplifier, said second variable gain amplifier are adjusted the gain of general vision signal in order to the basis and the corresponding voltage of settings of the gain of being changed.
12. a surveillance comprises:
Video deriving means, said video deriving means be in order to obtaining the vision signal of monitor area, and convert the vision signal that this obtains into difference video signal and network flow;
Repeater devices; Said repeater devices provides power to the video deriving means in order to use the unshielded twisted pair UTP cable that connects the video deriving means; And one of the difference video signal that the video deriving means is sent and network flow output to a UTP cable with many UTP; Wherein, the quantity of said UTP is corresponding to the quantity of said video deriving means; And
Video recording apparatus; This difference video signal that said video recording apparatus is exported in order to a UTP cable that use is connected to repeater devices converts general vision signal into; Amplifying the general vision signal of conversion gained changeably, and write down this amplifying signal.
13. a video system comprises:
One or more in order to obtain the video deriving means of vision signal;
Video recording apparatus in order to recorded video signal; And
Repeater devices, said repeater devices be in order to one or more video deriving means and the video recording apparatus of being coupled,
Many first unshielded twisted pair UTP cables, said many articles the one UTP cables are in order to be connected to repeater devices with one or more video deriving means, and wherein, the quantity of said many articles the one UTP cables is corresponding to the quantity of one or more video deriving means;
The 2nd UTP cable is connected to repeater devices with video recording apparatus, and wherein, the 2nd UTP cable has twisted-pair feeder, and the quantity of said twisted-pair feeder is corresponding to the quantity of one or more video deriving means.
14. a method of operating video system, the method comprising the steps of:
Obtain vision signal through one or more video deriving means;
To offer repeater devices from the vision signal that one or more deriving means obtained;
Through being connected to the unshielded twisted pair UTP cable of one or more video deriving means, repeater devices offers one or more video deriving means with power, and wherein, the quantity of UTP cable is corresponding to the quantity of one or more video deriving means;
UTP cable through having many UTP offers video recording apparatus with the vision signal of being obtained from repeater devices, and wherein, the quantity of said UTP is corresponding to the quantity of one or more video deriving means.
15. the method for an operation monitoring system, the method comprising the steps of:
Obtain the vision signal of monitor area through the video deriving means;
Convert the vision signal of being obtained into difference video signal and network flow through the video deriving means;
Use the unshielded twisted pair UTP cable that connects the video deriving means, through repeater devices power is offered the video deriving means, wherein, the quantity of UTP cable is corresponding to the quantity of video deriving means;
To output to a UTP cable with many UTP from difference video signal and the network flow that the video deriving means sends through repeater devices, wherein, the quantity of UTP is corresponding to the quantity of video deriving means; And
Through video recording apparatus, convert the difference video signal that uses a UTP cable output that connects repeater devices into general vision signal, amplify the general vision signal of conversion gained changeably, and write down this amplifying signal.
16. method as claimed in claim 15 further comprises:
Detect network state with predetermined space; And
Based on network state; Switching in order to first output port of exporting one or more difference video signals with between in order to second output port of exporting one or more network flows; When detecting the state corresponding to network error with box lunch, switch unit switches in order to export first output port of one or more difference video signals.
17. method as claimed in claim 15, wherein, the step of amplifying the general vision signal of conversion gained comprises:
The output display message is to be provided with one or more compensating elements of difference video signal; And
Display message according to output confirms whether the user has imported length of transmission line, if so that obtain confirming,
The value of the one or more compensating elements corresponding with the length of transmission line of input is set so automatically; And
Compensate this difference video signal according to being provided with of one or more compensating elements.
18. method as claimed in claim 17 further comprises:
Determine whether to have imported adjustment to set compensating elements, and if compensate this difference video signal according to being provided with of one or more compensating elements so.
CN2007101999427A 2006-08-25 2007-08-24 Repeater apparatus linking video acquirement apparatus and video recording apparatus using unshielded twisted pair cable Expired - Fee Related CN101179714B (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR10-2006-0080963 2006-08-25
KR1020060080963 2006-08-25
KR20060080963 2006-08-25
KR1020070022386A KR20080012121A (en) 2006-08-25 2007-03-07 Relay apparatus linking image acquirement apparatus and image recording apparatus using unshielded twist pair cable
KR1020070022386 2007-03-07
KR10-2007-0022386 2007-03-07

Publications (2)

Publication Number Publication Date
CN101179714A CN101179714A (en) 2008-05-14
CN101179714B true CN101179714B (en) 2012-06-27

Family

ID=39340481

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007101999427A Expired - Fee Related CN101179714B (en) 2006-08-25 2007-08-24 Repeater apparatus linking video acquirement apparatus and video recording apparatus using unshielded twisted pair cable

Country Status (2)

Country Link
KR (1) KR20080012121A (en)
CN (1) CN101179714B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101029466B1 (en) * 2009-07-27 2011-04-18 주영두 System of transmitting-receiving with dual video signal and operating method thereof
KR101054563B1 (en) * 2011-02-25 2011-08-04 강원식 Image transfer system using unshielded twisted pair wire, providing method thereof and camera apparatus using unshielded twisted pair wire
CN108040237B (en) * 2015-07-24 2019-09-10 金钱猫科技股份有限公司 A kind of Video Monitor System of achievable data priority distribution
CN108012185A (en) * 2017-11-30 2018-05-08 杭州众传数字设备有限公司 A kind of network audio decoder

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2266183Y (en) * 1996-07-05 1997-10-29 江苏宝胜集团公司 High-speed, high performance data communication cable for computer network
CN1509019A (en) * 2002-12-16 2004-06-30 西安西邮双维通信技术有限公司 Method and apparatus for realizing long distance power supply and LAN

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2266183Y (en) * 1996-07-05 1997-10-29 江苏宝胜集团公司 High-speed, high performance data communication cable for computer network
CN1509019A (en) * 2002-12-16 2004-06-30 西安西邮双维通信技术有限公司 Method and apparatus for realizing long distance power supply and LAN

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP特开2000-69443A 2000.03.03
JP特开2004-88156A 2004.03.18

Also Published As

Publication number Publication date
CN101179714A (en) 2008-05-14
KR20080012121A (en) 2008-02-11

Similar Documents

Publication Publication Date Title
EP1892960A2 (en) Repeater Apparatus Linking Video Acquirement Apparatus and Video Recording Apparatus using Unshielded Twisted Pair Cable
US5727025A (en) Voice, music, video and data transmission over direct current wires
US6661798B2 (en) Digital home information integrating system
CN101179714B (en) Repeater apparatus linking video acquirement apparatus and video recording apparatus using unshielded twisted pair cable
US6847411B2 (en) Modular television for providing a distinguishable sound according to a selection of a module and/or a module function
JP4622656B2 (en) Intercom system for housing complex
WO1998054893A9 (en) Video signal equalization system
KR101106681B1 (en) The system of transmit a digital audio
US20120269101A1 (en) Local transmission cancellation for communications system
KR100193684B1 (en) Method and apparatus for video and audio transmission and multi-party remote communication network in video conferencing or multimedia network
KR100529469B1 (en) Mpeg dvd player based on most protocols
US20090201836A1 (en) Ethernet Communication Device On Coaxial Cable
JP7122588B2 (en) Lobby station, door phone system and communication method
JP4965943B2 (en) Intercom system for housing complex
JP3193775B2 (en) Audio mixing equipment
KR200383360Y1 (en) Image communication system for having communication lines based on twisted pair cables
KR100477579B1 (en) Home automation for improving display-image
RU19240U1 (en) SVP-03T / 04R VIDEO-TRANSFER SYSTEM
JPH10108167A (en) Video doorphone system
JP2002261954A (en) Interphone system for multiple dwelling house
KR200276739Y1 (en) Apparatus for private broadcasting by cable
JP4715526B2 (en) Call system
US20200084544A1 (en) A communications system
WO2019052901A1 (en) Pre- and postcoder for cross-talk cancellation
JP2766682B2 (en) Multimedia communication conference terminal

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: SAMSUNG TECHWINCO., LTD.

Free format text: FORMER OWNER: SAMSUNG ELECTRONICS CO., LTD

Effective date: 20100409

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: GYEONGGI-DO, SOUTH KOREA TO: GYEONGNAM-DO, SOUTH KOREA

TA01 Transfer of patent application right

Effective date of registration: 20100409

Address after: Gyeongnam, South Korea

Applicant after: Samsung Techwin Co., Ltd.

Address before: Gyeonggi Do, South Korea

Applicant before: Samsung Electronics Co., Ltd.

C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120627

Termination date: 20140824

EXPY Termination of patent right or utility model