CN107071349A - HD video transmits cascade network line stretcher - Google Patents
HD video transmits cascade network line stretcher Download PDFInfo
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- CN107071349A CN107071349A CN201710178582.6A CN201710178582A CN107071349A CN 107071349 A CN107071349 A CN 107071349A CN 201710178582 A CN201710178582 A CN 201710178582A CN 107071349 A CN107071349 A CN 107071349A
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- 230000005540 biological transmission Effects 0.000 abstract description 29
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- 230000003321 amplification Effects 0.000 abstract description 5
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
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Classifications
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Cascade network line stretcher is transmitted the invention discloses a kind of HD video, including transmitter, at least one concatenation unit and receiver, transmitter carries out coding the second high-definition video signal of formation and coupled to the first netting twine to the first high-definition video signal for inputting HD video source；Each concatenation unit is connected at least one concatenation unit, and the input of at least one concatenation unit is connected by the first netting twine with transmitter, to amplify to form the 3rd high-definition video signal to the signal that the second high-definition video signal is carried out；Receiver is connected by the second netting twine with the output end of at least one concatenation unit, is played out the 3rd high-definition video signal progress decoding the 4th HD video of formation is believed and exported to electronic equipment.The extender of the embodiment of the present invention, is carried out after signal amplification by concatenation unit, can extend signal transmission distance, through experiment, and each concatenation unit can extend 50 meters of transmission range, it is thereby achieved that the HD video transmission of overlength distance.
Description
Technical field
The present invention relates to HD video transmission technique field, more particularly to a kind of high definition transmission cascade network winding thread extender.
Background technology
HDMI extenders are the devices for extending signal, and transmission requirement can not be met by being generally used for direct-connected wire rod over long distances
Situation, be usually in order to ensure signal long-distance it is zero-decrement transmission and design.
HDMI extenders in correlation technique are divided into two kinds, and a kind of HDMI extenders are transmission of analogue signal, and in the market claims
Transmission range is 300 meters, but by present actual measurement it is farthest can reach 250 meters, analog signal since the 1st meter of outflow just
Relaxation phenomenon occurs, the degree of the more remote signal attenuation of distance of transmission is also stronger, if the signal output transmitted is to greatly
If screen, then the picture of output can not be seen.The transmission of another HDMI extenders is data signal, by transmitting terminal and
Receiving terminal is constituted, the effect that transmitting terminal charge completion signal is obtained and compressed, the decoding of receiving terminal charge completion signal and port
Distribution, farthest transmission range is 50 meters.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention
Purpose is to propose a kind of high definition transmission cascade network winding thread extender.
To achieve the above object, on the one hand, HD video transmission cascade network line stretcher according to embodiments of the present invention, bag
Include：
Transmitter, the first high-definition video signal HD video source to be inputted carries out coding and forms the second HD video
Signal is simultaneously coupled to the first netting twine；
In at least one concatenation unit, at least one described concatenation unit each concatenation unit connect, it is described at least one
The input of concatenation unit is connected by first netting twine with the transmitter, to enter to second high-definition video signal
Capable signal amplifies to form the 3rd high-definition video signal；
Receiver, the receiver is connected by the second netting twine with the output end of at least one concatenation unit, is used to
3rd high-definition video signal progress decoding the 4th HD video of formation is believed and exported to high definition display device and is played out.
The HD video transmission cascade network line stretcher provided according to embodiments of the present invention, signal is carried out by concatenation unit
After amplification, signal transmission distance can be extended, through experiment, each concatenation unit can extend 50 meters of transmission range, therefore,
The HD video transmission of overlength distance can be realized.
According to one embodiment of present invention, the transmitter includes：
First HDMI, to connect HD video source, to access the first high-definition video signal；
HDMI receiving modules, are connected with first HDMI, first high-definition video signal to be compiled
Code forms the second high-definition video signal；
First RJ45 interfaces, be connected with the HDMI receiving modules and with one end grafting of first netting twine, to will
Second high-definition video signal is coupled to first netting twine；
First power subsystem, is connected with first HDMI, HDMI receiving modules and the first RJ45 interfaces.
According to one embodiment of present invention, the concatenation unit includes：
2nd RJ45 interfaces, the other end grafting with first netting twine, to access second high-definition video signal；
Processor, is connected with the 2nd RJ45 interfaces, and the signal second high-definition video signal to be carried out is put
It is big to form the 3rd high-definition video signal；
3rd RJ45 interfaces, one end grafting with second netting twine, the 3rd high-definition video signal to be coupled
To second netting twine；
Second source unit, is connected with the 2nd RJ45 interfaces, processor and the 3rd RJ45 interfaces.
According to one embodiment of present invention, the receiver includes：
4th RJ45 interfaces, the other end grafting with second netting twine, to access the 3rd high-definition video signal；
HDMI sending modules, are connected with the 4th RJ45 interfaces, the 3rd high-definition video signal is decoded into shape
Into the 4th high-definition video signal；
Second HDMI, is connected with the HDMI sending modules, to the output of decoded 4th high-definition video signal
Played out to high definition display device；
3rd power subsystem, is connected with the 4th RJ45 interfaces, HDMI sending modules and the second HDMI.
According to one embodiment of present invention, the receiver also includes infrared receiver, the infrared receiver
It is connected with the HDMI sending modules, to receive the first infrared signal that user is sent by remote control, the HDMI is sent
Module is additionally operable to that described second will be coupled to by the 4th RJ45 interfaces after the first infrared signal changeover control signal
Netting twine；
The concatenation unit is additionally operable to that first netting twine will be coupled to after control signal processing；
The transmitter also includes infrared emission unit, and the infrared emission unit is connected with the HDMI receiving modules,
The HDMI receiving modules are exported to the infrared emission unit for the control signal, so that the infrared emission unit will
The control signal is converted into the second infrared signal and sent to high definition video source, to be controlled to the HD video source.
According to one embodiment of present invention, the processor is EP91X0E chips.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation that HD video of the embodiment of the present invention transmits cascade network line stretcher；
Fig. 2 is the structural representation of transmitter in HD video of embodiment of the present invention transmission cascade network line stretcher；
Fig. 3 is the structural representation that HD video of the embodiment of the present invention transmits cascade network line stretcher cascade unit；
Fig. 4 is the structural representation of receiver in HD video of embodiment of the present invention transmission cascade network line stretcher；
Fig. 5 is the 2nd RJ45 interfaces that HD video of the embodiment of the present invention transmits cascade network line stretcher cascade unit
Circuit diagram；
Fig. 6 is the 3rd RJ45 interfaces that HD video of the embodiment of the present invention transmits cascade network line stretcher cascade unit
Circuit diagram；
Fig. 7 is the circuit of the processor of cascade unit in HD video of embodiment of the present invention transmission cascade network line stretcher
Figure.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention, based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " " axial direction ", " circumference ", " radial direction " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be machine
Tool is connected or electrically connected；Can be joined directly together, can also be indirectly connected to by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
Can directly it be contacted including the first and second features, it is not direct contact but by it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
The HD video transmission cascade network line stretcher of the embodiment of the present invention is described in detail with reference to the accompanying drawings.
Shown in reference picture 1, cascade network line stretcher is transmitted there is provided a kind of HD video according to embodiments of the present invention, including
Transmitter 100, at least one concatenation unit 300 and receiver 200.
Specifically, transmitter 100 carries out coding to the first high-definition video signal for inputting HD video source forms the
Two high-definition video signals are simultaneously coupled to the first netting twine.It that is to say, in specific application, the transmitter 100 can connect outside
HD video source 101, such as DVD player, computer, TV set-top box, HD video source 101 inputs the first HD video letter
Number to transmitter 100.
Each concatenation unit 300 is connected at least one concatenation unit 300, at least one concatenation unit 300 it is defeated
Enter end by first netting twine with the transmitter 100 to be connected, to the signal for carrying out second high-definition video signal
Amplification forms the 3rd high-definition video signal.
Receiver 200 is connected by the second netting twine with the output end of at least one concatenation unit 300, to described
3rd high-definition video signal progress decoding the 4th HD video of formation, which is believed and exported to high definition display device 201, to be played out.
In concrete application, the receiver 200 is connected to high definition display device 201, such as television set, display etc..
In other words, receiver 200 is to be connected by least one above-mentioned concatenation unit 300 with transmitter 100, specifically
, each concatenation unit 300 at least one concatenation unit 300 is sequentially connected in series, each concatenation unit 300 after series connection
In the input of first concatenation unit 300 transmitter 100 is connected to by the first netting twine, and each concatenation unit after connecting
The output end of the concatenation unit of last in 300 300 is connected by the second netting twine with receiver 200.
Concrete operating principle is as follows：Transmitter 100 will access the progress coding compression of the first high-definition video signal and form second
High-definition video signal, the second high-definition video signal passes through the first network cable transmission at least one above-mentioned concatenation unit 300, the level
Second high-definition video signal of reception can be amplified to form the 3rd high-definition video signal by receipts or other documents in duplicate member 300 as repeater,
And by the second network cable transmission to receiver 200, receiver 200 is received after the 3rd high-definition video signal, by the 3rd
High-definition video signal carries out decoding and forms the 4th high-definition video signal and export to high definition display device 201, aobvious by the high definition
Show that equipment 201 carries out video playback.
The HD video transmission cascade network line stretcher provided according to embodiments of the present invention, is carried out by concatenation unit 300
After signal amplification, signal transmission distance can be extended, through experiment, each concatenation unit 300 can extend 50 meters of transmission distance
From it is thereby achieved that the HD video transmission of overlength distance.
Shown in reference picture 2, in one particular embodiment of the present invention, transmitter 100 include the first HDMI 10,
HDMI receiving modules 11, the first RJ45 interfaces 12 and the first power subsystem 13.
Specifically, the first HDMI 10 is to connect HD video source 101, to access the first high-definition video signal,
It is that first HDMI 10 connects the HD video source 101 of outside, such as DVD player, computer, TV set-top box,
First high-definition video signal is inputted into transmitter 100.
HDMI receiving modules 11 are connected with first HDMI 10, first high-definition video signal to be carried out
Coding forms the second high-definition video signal.First RJ45 interfaces 12 be connected with the HDMI receiving modules 11 and with first net
One end grafting of line, second high-definition video signal is coupled into first netting twine.
First power subsystem 13 and first HDMI 10, HDMI receiving modules 11 and the phase of the first RJ45 interfaces 12
Even, it is the first HDMI 10, the offer work of the RJ45 interfaces 12 of HDMI receiving modules 11 and the first by the first power subsystem 13
Voltage.
After the first HDMI 10 is connected with HD video source 101, the first high definition is accessed by the first HDMI 10
Vision signal, the first high-definition video signal of access carries out coding by HDMI receiving modules 11 and forms the second HD video letter
Number, the second high-definition video signal is coupled to the first netting twine by the first RJ45 interfaces 12 again, by the first netting twine that this is second high
Clear video signal transmission is at least one above-mentioned concatenation unit 300.
Shown in reference picture 3 and Fig. 5 to Fig. 7, concatenation unit 300 includes the 2nd RJ45 interfaces 30, processor 31, the 3rd RJ45
Interface 32 and second source unit 32.
Specifically, the 2nd RJ45 interfaces 30 and the other end grafting of first netting twine, are regarded with accessing second high definition
Frequency signal；Processor 31 is connected with the 2nd RJ45 interfaces 30, to the signal for carrying out second high-definition video signal
Amplification forms the 3rd high-definition video signal；One end grafting of 3rd RJ45 interfaces 32 and second netting twine, to by described the
Three high-definition video signals are coupled to second netting twine；Second source unit 32 and the 2nd RJ45 interfaces 30, processor 31
And the 3rd RJ45 interfaces 32 be connected.
It that is to say, transmitter 100 is connect by the second high-definition video signal of the first network cable transmission from the 2nd RJ45 interfaces 30
Enter to the concatenation unit 300, then signal carried out by 31 pair of second high-definition video signal of processor to amplify to form the 3rd high definition and regard
Frequency signal, the 3rd high-definition video signal is further coupled to the second netting twine by the 3rd RJ45 interfaces 32, passes through the second netting twine
Transmit to receiver 200.
Preferably, processor 31 is EP91X0E chips.
Shown in reference picture 4, receiver 200 includes the 4th RJ45 interfaces 20, HDMI sending modules 21, the second HDMI 22
And the 3rd power subsystem 23.
Specifically, the 4th RJ45 interfaces 20 and the other end grafting of second netting twine, are regarded with accessing the 3rd high definition
Frequency signal；HDMI sending modules 21 are connected with the 4th RJ45 interfaces 20, the 3rd high-definition video signal to be decoded
Form the 4th high-definition video signal；Second HDMI 22 is connected with the HDMI sending modules 21, to the decoded 4th
High-definition video signal is exported to high definition display device 201 and played out.3rd power subsystem 23 and the 4th RJ45 interfaces,
HDMI sending modules and the second HDMI are connected.
It that is to say, concatenation unit 300 is by the 3rd high-definition video signal of the second network cable transmission from the 4th RJ45 interfaces 20
Receiver 200 is accessed to, then decoding is carried out by HDMI sending modules 21 and forms the 4th high-definition video signal, the 4th high definition is regarded
Frequency signal is further exported to high definition display device 201 by the second HDMI 22, is regarded using high definition display device 201
Frequency is played.
In some embodiments of the invention, receiver 200 also includes infrared receiver 24, the infrared receiver
24 are connected with the HDMI sending modules 21, to receive the first infrared signal that user is sent by remote control, the HDMI
Sending module 21 is additionally operable to be coupled to by the 4th RJ45 interfaces 20 after the first infrared signal changeover control signal
Second netting twine.Concatenation unit 300 is additionally operable to that first netting twine will be coupled to after control signal processing.Transmitter
100 also include infrared emission unit 14, and the infrared emission unit 14 is connected with the HDMI receiving modules 11, and the HDMI connects
Receive module 11 to export to the infrared emission unit 14 for the control signal, so that the infrared emission unit 14 will be described
Control signal is converted into the second infrared signal and sent to high definition video source 101, to be controlled to the HD video source 101.
That is, in a particular application, user can send the first infrared signal to receiver 200 by remote control,
First infrared signal is converted into after control signal by the 4th RJ45 interfaces 20 by the HDMI sending modules 21 in receiver 200
Output is to the second netting twine, then by the second network cable transmission to concatenation unit 300, concatenation unit 300 by the control signal export to
First netting twine, by the first network cable transmission to transmitter 100, the HDMI receiving modules 11 in transmitter 100 receive the control
After signal, the control signal is exported to infrared emission unit 14, the control signal is converted into second by infrared emission unit 14
Sent after infrared signal to high definition video source 101, in this way, being controlled to HD video source 101.
Because HD video source 101 and transmitter 100 are in distal end, and high definition display device 201 and receiver 200 are located at
Near-end, therefore, user, can be in HD video source of the near-end to distal end when being played out using high definition display device 201
101 are remotely controlled broadcasting, and then improve the convenience used.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification
Close and combine.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical fields in the scope of patent protection of the present invention.
Claims (6)
1. a kind of HD video transmits cascade network line stretcher, it is characterised in that including：
Transmitter, the first high-definition video signal HD video source to be inputted carries out coding and forms the second high-definition video signal
And coupled to the first netting twine；
Each concatenation unit is connected at least one concatenation unit, at least one described concatenation unit, at least one described cascade
The input of unit is connected by first netting twine with the transmitter, to what is carried out to second high-definition video signal
Signal amplifies to form the 3rd high-definition video signal；
Receiver, the receiver is connected by the second netting twine with the output end of at least one concatenation unit, to institute
The 3rd high-definition video signal is stated to carry out decoding and form the 4th HD video believing and export to high definition display device and play out.
2. HD video according to claim 1 transmits cascade network line stretcher, it is characterised in that the transmitter bag
Include：
First HDMI, to connect HD video source, to access the first high-definition video signal；
HDMI receiving modules, are connected with first HDMI, first high-definition video signal is carried out into coding shape
Into the second high-definition video signal；
First RJ45 interfaces, be connected with the HDMI receiving modules and with one end grafting of first netting twine, to will be described
Second high-definition video signal is coupled to first netting twine；
First power subsystem, is connected with first HDMI, HDMI receiving modules and the first RJ45 interfaces.
3. HD video according to claim 2 transmits cascade network line stretcher, it is characterised in that the concatenation unit bag
Include：
2nd RJ45 interfaces, the other end grafting with first netting twine, to access second high-definition video signal；
Processor, is connected with the 2nd RJ45 interfaces, and the signal second high-definition video signal to be carried out amplifies shape
Into the 3rd high-definition video signal；
3rd RJ45 interfaces, one end grafting with second netting twine, the 3rd high-definition video signal is coupled into institute
State the second netting twine；
Second source unit, is connected with the 2nd RJ45 interfaces, processor and the 3rd RJ45 interfaces.
4. HD video according to claim 3 transmits cascade network line stretcher, it is characterised in that the receiver bag
Include：
4th RJ45 interfaces, the other end grafting with second netting twine, to access the 3rd high-definition video signal；
HDMI sending modules, are connected with the 4th RJ45 interfaces, and is formed the 3rd high-definition video signal to be decoded
Four high-definition video signals；
Second HDMI, is connected with the HDMI sending modules, exports paramount to decoded 4th high-definition video signal
Clear display device is played out；
3rd power subsystem, is connected with the 4th RJ45 interfaces, HDMI sending modules and the second HDMI.
5. HD video according to claim 4 transmits cascade network line stretcher, it is characterised in that the receiver is also wrapped
Infrared receiver is included, the infrared receiver is connected with the HDMI sending modules, and remote control is passed through to receive user
The first infrared signal sent, the HDMI sending modules are additionally operable to after the first infrared signal changeover control signal to pass through
The 4th RJ45 interfaces are coupled to second netting twine；
The concatenation unit is additionally operable to that first netting twine will be coupled to after control signal processing；
The transmitter also includes infrared emission unit, and the infrared emission unit is connected with the HDMI receiving modules, described
HDMI receiving modules are exported to the infrared emission unit for the control signal, so that the infrared emission unit will be described
Control signal is converted into the second infrared signal and sent to high definition video source, to be controlled to the HD video source.
6. HD video according to claim 2 transmits cascade network line stretcher, it is characterised in that the processor is
EP91X0E chips.
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| CN201710178582.6A CN107071349A (en) | 2017-03-23 | 2017-03-23 | HD video transmits cascade network line stretcher |
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Cited By (4)
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| CN107613355A (en) * | 2017-09-22 | 2018-01-19 | 北京嗨动视觉科技有限公司 | Processing system for video and video processor |
| CN109218812A (en) * | 2018-08-30 | 2019-01-15 | 广州帝特电子科技有限公司 | One kind extending equipment based on HDMI high-definition signal IP network |
| CN113766162A (en) * | 2021-09-02 | 2021-12-07 | 张龙坤 | Infinite cascade long-distance audio and video transmission method and extension system |
| CN113938630A (en) * | 2021-10-08 | 2022-01-14 | 浙江大华技术股份有限公司 | Control method of LED display screen and display screen group |
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