CN207075061U - A kind of remote controlled multimedia dispensing device, reception device and Transmission system - Google Patents
A kind of remote controlled multimedia dispensing device, reception device and Transmission system Download PDFInfo
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- CN207075061U CN207075061U CN201721062520.0U CN201721062520U CN207075061U CN 207075061 U CN207075061 U CN 207075061U CN 201721062520 U CN201721062520 U CN 201721062520U CN 207075061 U CN207075061 U CN 207075061U
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Abstract
The utility model discloses a kind of remote controlled multimedia dispensing device, reception device and Transmission system, multimedia dispensing device, including coding module, first interface circuit module, output port and KVM forwarding modules；Multimedia reception device, including input port, second interface circuit module, decoder module and KVM receiving modules；By centering KVM forwarding modules in the multimedia reception dress positioned at display device side, KVM receiving modules are set in the multimedia dispensing device positioned at multimedia sources side, KVM receiving modules are used to obtain the mouse connected on receiving interface, the control information of keyboard, sent by transmission cable to KVM forwarding modules, forwarding interface can send control information to multimedia sources, realize and the multimedia dispensing device of multimedia sources side is pointed in the multimedia reception device positioned at display device side realizes remote control, such as switching display content, enrich the function of multi-media transmission system, provide users with greater convenience.
Description
Technical field
It the utility model is related to field of display devices, more particularly to a kind of remote controlled multimedia dispensing device, connect
Receiving apparatus and Transmission system.
Background technology
Video is a kind of intuitively form of expression, and user can be made intuitively to understand various information, and HDMI technologies are just realized
The broadcasting of HD video, improves the experience of user.But the HDMI of existing scheme extension transmitters can only be in multimedia sources
Playing audio-video signal is specified in side, and user remotely can not operate to multimedia sources equipment, cause user inconvenient for use.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of remote controlled multimedia
Dispensing device, reception device and Transmission system, it is possible to achieve be pointed in the multimedia reception device positioned at display device side
The multimedia dispensing device of multimedia sources side realizes remote control, such as switching display content, enriches multi-media transmission system
Function, provide users with greater convenience.
The purpose of this utility model adopts the following technical scheme that realization：
A kind of remote controlled multimedia dispensing device, including coding module, first interface circuit module, output port
With KVM forwarding modules；The first interface circuit module is used to carry out level translation；The first interface circuit module includes source
Side interface and output side interface, the coding module are connected to the source interface, and the output port is connected to the output
Side interface, the output port are used to be connected with multimedia reception device；It is single that the KVM forwarding modules include the first KVM processing
Member and forwarding interface, the first KVM processing units are connected to the coding module；The coding module is used for by described the
One interface module obtains control data bag from the output port, and the key mouse control of the first form is parsed from packet
Information processed；The first KVM processing units are used for the key mouse control information that the first form is obtained from the coding module, and described the
One KVM processing units are additionally operable to transmit after the key mouse control information of the first form is converted into the key mouse control information of the second form
To the forwarding interface.
Further, the first interface circuit module includes the first net mouth transformer, the source interface and outlet side
Interface is respectively positioned on first net mouth transformer.
Further, the remote controlled multimedia dispensing device also includes the first power supply processing module, and described
One power supply processing module includes first and carries electric unit, and the first load electric unit is also connected to the output side interface；Described
One load electric unit is used to the first predeterminated voltage being applied to the output side interface, or for being obtained from the output side interface
First predeterminated voltage；First net mouth transformer is used for the first predeterminated voltage for isolating the outlet side interface.
Further, first power supply processing module also includes first voltage converter unit, the first voltage conversion
Unit is used to the first predeterminated voltage being converted to the second predeterminated voltage.
Further, the remote controlled multimedia dispensing device also includes the first infrared transmission module, and described
One infrared transmission module includes the first input block and the first transmitter unit, and first input block is connected to the outlet side
Interface, first input block are used to obtain the first remote signal, first transmitter unit by the output side interface
For the first remote signal to be converted into the first infrared signal；First input block includes being used to isolate the of high-frequency signal
One isolation element.
A kind of remote controlled multimedia reception device, including input port, second interface circuit module, decoder module
With KVM receiving modules, the decoder module is used to be connected with display device；The second interface circuit module is used for into line level
Conversion；The second interface circuit module includes input side interface and display side interface, and the input port is connected to described defeated
Enter side interface and for being connected with multimedia dispensing device, the decoder module is connected to the display side interface；The KVM connects
Receiving module includes the 2nd KVM processing units and receiving interface, and the 2nd KVM processing units are connected to the decoder module and connect
Receive interface；The 2nd KVM processing units are used for the key mouse control for obtaining the second form from control device by the receiving interface
Information processed, the 2nd KVM processing units are additionally operable to the key mouse control information of the second form being converted into the key mouse of the first form
Transmitted after control information to the decoder module, the decoder module is used to the key mouse control information of the first form being converted to control
Packet processed, and control data bag is transmitted to the input port by the second interface circuit module.
Further, the second interface circuit module includes the second net mouth transformer, the input side interface and display
Side interface is respectively positioned on second net mouth transformer.
Further, described remote controlled multimedia reception device also includes second source processing module, described
Second source processing module includes second and carries electric unit, and the second load electric unit is also connected to the input side interface；It is described
Second, which carries electric unit, is used to obtain the first predeterminated voltage from the input side interface, or for the first predeterminated voltage to be applied to
The input side interface；Second net mouth transformer is used for the first predeterminated voltage for isolating the input side interface.
Further, described remote controlled multimedia reception device also includes the first infrared receiving module, described
First infrared receiving module includes the first receiving unit and the first output unit, and first output unit is connected to the input
Side interface；First receiving unit is used to receive the second infrared signal and is converted to the second remote signal, first output
Unit is used to by the input side interface transmit second remote signal to the input port；First output is single
Member includes being used for the 3rd isolation element for isolating high-frequency signal.
A kind of remote controlled multi-media transmission system, including foregoing remote controlled multimedia dispensing device,
And foregoing remote controlled multimedia reception device.
Compared with prior art, the beneficial effects of the utility model are：By in the multimedia positioned at display device side
KVM forwarding modules are set in reception device, set KVM to receive mould in the multimedia dispensing device positioned at multimedia sources side
Block, KVM receiving modules are used to obtain the control information of the mouse connected on receiving interface, keyboard, by transmission cable send to
KVM forwarding modules, forwarding interface can send control information to multimedia sources, realize positioned at the more of display device side
The multimedia dispensing device that media receiving apparatus is pointed to multimedia sources side realizes remote control, such as switching display content, rich
The rich function of multi-media transmission system, provides users with greater convenience.
Brief description of the drawings
Fig. 1 is the structural representation for the remote controlled multimedia dispensing device that the utility model embodiment provides；
Fig. 2 is the structural representation for the remote controlled multimedia reception device that the utility model embodiment provides；
Fig. 3 is the structural representation of KVM forwarding modules in Fig. 1；
Fig. 4 is the structural representation of KVM receiving modules in Fig. 2；
Fig. 5 is the structural representation of the first infrared transmission module in Fig. 1；
Fig. 6 is the structural representation of the first infrared receiving module in Fig. 2.
In figure：100th, multimedia dispensing device；110th, coding module；120th, first interface circuit module；121st, the first net
Mouth transformer；1211st, source interface；1212nd, side interface is exported；130th, output port；140th, KVM forwarding modules；141st, first
KVM processing units；142nd, forwarding interface；150th, the first power supply processing module；151st, first electric unit is carried；1511st, the first power supply
Socket；160th, the first infrared transmission module；170th, the second infrared receiving module；
200th, multimedia reception device；210th, input port；220th, second interface circuit module；221st, the second network interface transformation
Device；2211st, side interface is inputted；2212nd, side interface is shown；230th, decoder module；240th, KVM receiving modules；241st, at the 2nd KVM
Manage unit；242nd, receiving interface；250th, second source processing module；251st, second electric unit is carried；2511st, second source socket；
260th, the first infrared receiving module；270th, the second infrared transmission module.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further, it is necessary to explanation is,
On the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
A kind of remote controlled multi-media transmission system, including remote controlled multimedia as shown in Figure 1 are sent
Device 100, and remote controlled multimedia reception device 200 as shown in Figure 2.Multimedia dispensing device 100 and more matchmakers
Connected by transmission cable between body reception device 200, such as connected by netting twine；Multimedia dispensing device 100 is used for from more matchmakers
Body source such as DVD obtains video information, and sends to transmission cable, and multimedia reception device 200, which is used to obtain from transmission cable, to be regarded
Frequency information and sending to display device is shown.
Wherein, as shown in figure 1, remote controlled multimedia dispensing device 100 includes coding module 110, first interface
Circuit module 120, output port 130, in addition to KVM forwarding modules 140.Wherein first interface circuit module 120 is used to carry out
Level translation；First interface circuit module 120 includes source interface 1211 and output side interface 1212.As preferable embodiment party
Formula, first interface circuit module 120 include the first net mouth transformer 121,1212 equal position of source interface 1211 and output side interface
In on the first net mouth transformer 121.Coding module 110 is connected to source interface 1211, and output port 130 is connected to output side joint
Mouth 1212, output port 130 are used to be connected with multimedia reception device 200.
Coding module 110 is used to being converted to the multi-medium data of acquisition into the multimedia for matching form with source interface 1211
Data.The HDMI signals got, sdi signal, VGA signals, DP signals, AV signals etc. can be entered line number by coding module 110
Wordization processing, the data handled carry out being encoded into network packet according to H. agreements delivers to first interface circuit, first interface
Circuit carries out level conversion to network packet, turns into the network telecommunication number of standard, and the network telecommunication number of the standard is exported
To output port 130, such as RJ45 network interfaces；Multimedia reception device is communicated to by transmission cable, such as netting twine by output port 130
200.For example, coding module 110 by HDMI from connected main frame obtain high-definition video signal, encoded module 110
The data for meeting HDBaseT specifications are converted to after processing, are then transmitted by first interface circuit module 120 to output port
130。
KVM forwarding modules 140 include the first KVM processing units 141 and forwarding interface 142, the first KVM processing units 141
It is connected to coding module 110.Coding module 110, which is used to obtain from output port 130 by first interface circuit module 120, to be controlled
Packet, and parse from packet the key mouse control information of the first form；First KVM processing units 141 are used for from coding
Module 110 obtains the key mouse control information of the first form, and the first KVM processing units 141 are additionally operable to the key mouse control of the first form
Information processed, which is converted into after the key mouse control information of the second form, to be transmitted to forwarding interface 142, and forwarding interface 142 is used to being connected to more
The control input port 210 of source of media, such as the USB port of video server.
As preferred embodiment, as shown in figure 3, the first KVM processing units 141, which include USB keyboard mouse, extends control
Coremaking piece, such as CH9350.The USB port of multimedia sources is connected on above J2, when the first KVM processing units 141 have detected serial ports letter
When number coming, determine whether it is keyboard, mouse signal, if it is, keyboard, mouse signal are changed into can be by multimedia sources again
The usb signal of identification.
As shown in Fig. 2 remote controlled multimedia reception device 200 includes input port 210, second interface circuit mould
Block 220, decoder module 230 and KVM receiving modules 240.Wherein decoder module 230 is used to be connected with display device；Second interface
Circuit module 220 is used to carry out level translation.As preferred embodiment, second interface circuit module 220 includes the second net
Mouth transformer 221, input side interface 2211 and display side interface 2212 are respectively positioned on the second net mouth transformer 221.Second interface
Circuit module 220 includes input side interface 2211 and display side interface 2212, and input port 210 is connected to input side interface 2211
And for being connected with multimedia dispensing device 100, decoder module 230 is connected to display side interface 2212.
When remote controlled multimedia reception device 200 is connected with remote controlled multimedia dispensing device 100,
Multimedia dispensing device 100 is logical to transmission cable transmitting video data bag, multimedia reception device 200 by output port 130
Cross input port 210 to obtain video data bag and decoded by decoder module 230, be then transmit to and connect with decoder module 230
The display device connect is shown.Correlation technique can be achieved by the prior art, and be repeated no more.
KVM receiving modules 240 include the 2nd KVM processing units 241 and receiving interface 242, the 2nd KVM processing units 241
It is connected to decoder module 230 and receiving interface 242.Set in use, the controls such as mouse, keyboard can be connected on receiving interface 242
It is standby；2nd KVM processing units 241 are used for the key mouse control information for obtaining the second form from control device by receiving interface 242,
2nd KVM processing units 241 are additionally operable to the key mouse control information of the second form being converted into the key mouse control information of the first form
After transmit to decoder module 230, decoder module 230 is used to the key mouse control information of the first form being converted to control data bag,
And control data bag is transmitted to input port 210 by second interface circuit module 220.
As shown in figure 4, the 2nd KVM processing units 241, which include USB keyboard mouse, extends control chip, such as CH9350.When even
When keyboard, the mouse being connected on receiving interface 242J2, J3 mouth have operation, the 2nd KVM processing units 241 can grasp keyboard, mouse
Rs 232 serial interface signal is changed into as signal and decoder module 230 is issued by J1 mouths.
The multimedia that multimedia sources side is pointed in the multimedia reception device 200 positioned at display device side sends dress
Put 100 and realize that the process of remote control is as follows：The mouse that is connected on the receiving interface 242 of multimedia reception device 200, keyboard etc.
Control device generates the key mouse control information of the second form, and the key of the first form is then converted to by the 2nd KVM processing units 241
Control data bag is converted to by decoder module 230 after mouse control information, control data bag is loaded into by input port 210 afterwards
Transmission cable, on netting twine.The coding module 110 of multimedia dispensing device 100 is after output port 130 obtains control data bag
The key mouse control information of the first form is parsed, is then sent to the first KVM processing units 141, and by the first KVM processing units
141 be converted into the key mouse control information of the second form after transmit to forwarding interface 142；Forwarding interface 142 is connected to multimedia sources
Control input port 210, it is possible to realize control to multimedia sources.
The utility model in the multimedia reception device 200 positioned at display device side by setting KVM forwarding modules
140, KVM receiving modules 240, KVM receiving modules 240 are set in the multimedia dispensing device 100 positioned at multimedia sources side
For obtaining the control information of the mouse connected on receiving interface 242, keyboard, sent by transmission cable to KVM forwarding modules
140, forwarding interface 142 can send control information to multimedia sources, realize in the multimedia positioned at display device side
The multimedia dispensing device 100 that reception device 200 is pointed to multimedia sources side realizes remote control, such as switching display content,
The function of multi-media transmission system is enriched, is provided users with greater convenience.
As further improvement of the utility model, as shown in figure 1, remote controlled multimedia dispensing device 100 is also
Including the first power supply processing module 150, the first power supply processing module 150 includes first and carries electric unit 151, and first carries electric unit
151 are also connected to output side interface 1212.
In the present embodiment, the first load electric unit 151 is used to the first predeterminated voltage being applied to output side interface 1212, the
The first predeterminated voltage that one net mouth transformer 121 is used at isolation and amplifier side interface 1212.As preferred embodiment, first
Carrying electric unit 151 includes the first power outlet 1511, and the first power outlet 1511 is used to input the first predeterminated voltage.First power supply
Socket 1511 can be DC socket, and DC voltage can be applied to output by external D/C power by the first power outlet 1511
At side interface 1212.As shown in figure 1, the first predeterminated voltage is 12V, then output MX1, MX2 of side interface 1212 benchmark are exported
Voltage rises to 12V, so the reference voltage of the 5-8 pin of output port 130 also rises to 12V, that is, realizes direct current
It is loaded on transmission cable, multimedia reception device 200 can be transmitted electrical power to by transmission cable.Meanwhile first network interface
The first predeterminated voltage that transformer 121 is used at isolation and amplifier side interface 1212.Due to the effect of the first net mouth transformer 121,
The first predeterminated voltage as direct current will not have an impact to source interface 1211 and coding module 110, and coding module 110 can
So that normally multi-medium data is sent on transmission cable.
As shown in Fig. 2 remote controlled multimedia reception device 200 also includes second source processing module 250, second
Power supply processing module 250 includes second and carries electric unit 251, and the second load electric unit 251 is also connected to input side interface 2211.At this
In embodiment, second, which carries electric unit 251, is used to obtain the first predeterminated voltage from input side interface 2211；Second net mouth transformer
221 the first predeterminated voltages being used at isolation input side interface 2211.
When in use, the output port of the input port 210 of multimedia reception device 200 and multimedia dispensing device 100
130 are connected by transmission cable, such as netting twine.Remote controlled multimedia dispensing device 100 be foregoing describes by more matchmakers
Volume data is sent on transmission cable, while also the first predeterminated voltage has been loaded on transmission cable.Therefore multimedia reception
The vision signal of the 210 existing high frequency of input port of device 200 has DC voltage again.Because the second net mouth transformer 221 is used for
The first predeterminated voltage at isolation input side interface 2211, therefore decoder module 230 can be by showing that side interface 2212 is normal
The video data of the high frequency on transmission cable is got, then decoder module 230 is used to decode and obtained from display side interface 2212
Multi-medium data；The output of decoder module 230 can be HDMI signals, sdi signal, VGA signals, DP signals, AV signals etc.
Vision signal.Then display device can obtain decoded data by display interface such as HDMI from decoder module 230
Shown.In addition, second carries electric unit 251 for obtaining the first predeterminated voltage, such as 12V from input side interface 2211.
The utility model in multimedia dispensing device 100 by setting first to carry electric unit 151, in multimedia reception device
200 set second to carry electric units 251, realize and are powered remote controlled multimedia dispensing device 100 is single-ended, pass through
Transmission cable transmits multi-media signal and electric energy simultaneously, and remote controlled multimedia reception device 200 can be in transmission cable
Upper acquisition electric energy supports the work of oneself.Single-ended power reduces at least one dc source, saves a socket, structure letter
Single, convenient wiring, cost, power consumption are lower.
As preferred embodiment, the first power supply processing module 150 also includes first voltage converter unit, first voltage
Converter unit is used to the first predeterminated voltage being converted to the second predeterminated voltage, such as 5V, and the second predeterminated voltage can be for coding module
110th, KVM forwarding modules 140 etc. use.In addition, second source processing module 250 also includes second voltage converter unit, second
Voltage transformation module is used to the first predeterminated voltage being converted to the 3rd predeterminated voltage, and the 3rd predeterminated voltage can be for decoder module
230th, KVM receiving modules 240 etc. use.Solve multimedia dispensing device 100, multimedia reception device 200 electricity consumption of itself
Problem.
As preferred embodiment, the second load electric unit 251 includes second source socket 2511, second source socket
2511 are used to export the first predeterminated voltage.Electric energy can also be provided out by multimedia reception device 200, can support more to set
Standby work, such as charger.
In another embodiment, the second load electric unit 251 includes second source socket 2511, and second source socket 2511 is used
In inputting the first predeterminated voltage, and the first predeterminated voltage is applied to input side interface 2211；First carry electric unit 151 be used for from
Export side interface 1212 and obtain the first predeterminated voltage, to support the work of multimedia dispensing device 100.Realize can be long-range
The multimedia reception device 200 of control is single-ended to be powered, and electric energy, remote controlled multimedia hair are transmitted by transmission cable
Send device 100 to obtain electric energy on transmission cable and support the work of oneself.
As preferred embodiment, the second load electric unit 251 includes second source socket 2511, meanwhile, first carries electricity
Unit 151 includes the first power outlet 1511；It can be selected by user oneself by remote controlled multimedia reception device 200
It is single-ended to be powered or be powered by remote controlled multimedia dispensing device 100 is single-ended, it can be avoided with flexible route
The embarrassment of socket deficiency.
As a further improvement on the present invention, remote controlled multimedia dispensing device 100 also includes the first infrared hair
Penetrate module 160.As shown in figure 5, the first infrared transmission module 160 includes the first input block and the first transmitter unit, first is defeated
Enter unit and be connected to output side interface 1212, the first input block is used to obtain the first remote control letter by exporting side interface 1212
Number, the first transmitter unit is used to the first remote signal being converted to the first infrared signal.First input block include pin D1+ and
Pin D1-, one end of the first twisted-pair feeder for being connected to netting twine；Using the mode of this similar differential pair, be transmitted can be with
Signal interference is effectively reduced, ensures the accurate and stability of signal.First input block includes being used to isolate high-frequency signal, i.e., defeated
First isolation element FB3 and FB4 of the multi-media signal gone out on side interface 1212；As preferred embodiment, isolation element
Magnetic bead, wave filter etc. can be used.First transmitter unit includes amplifier and radiated element D1；Amplifier is by switching tube in Fig. 5
The element such as Q4 and switching tube Q3 is formed, and for amplifying the first remote signal, radiated element D1 is used for the first remote control after amplification
Signal is converted to the first infrared signal.Radiated element D1 transmitting infrared signal direction towards multimedia sources receiver of remote-control sytem,
First infrared signal realizes the control to multimedia sources after being received by multimedia sources.
Accordingly, remote controlled multimedia reception device 200 also includes the first infrared receiving module 260.Such as Fig. 6 institutes
Show, the first infrared receiving module 260 includes the first receiving unit and the first output unit.First output unit is connected to display side
Interface 2212；First receiving unit is used to receive the second infrared signal and is converted to the second remote signal, and the first output unit is used
In the second remote signal is transmitted to input port 210 by inputting side interface 2211；First output unit includes being used to isolate
3rd isolation element of high-frequency signal.
As preferred embodiment, the first receiving unit includes the amplification electricity of the first wideband infrared remote receiver IR1 and first
Road, wideband infrared remote receiver IR can use IRM10NQ-A-X；First amplifying circuit includes the elements such as switching tube Q2 and Q1, uses
It is amplified in the signal exported to the first wideband infrared remote receiver.IRM10NQ-A-X is wideband infrared receiver device, supports to connect
Receive 20kHz to 60kHz infrared light.Wideband infrared remote receiver IR1 receives infrared signal from the IR remote controller of outside, to receiving
The infrared signal arrived directly exports IR modulated signals IR_IN as the second remote signal, IR modulated signals without decoding
IR_IN is specially the Transistor-Transistor Logic level signal of remote signal superposition over the carrier signal；It is transferred to after Q2, Q1 enhanced processing
First output unit.First output unit includes being used for the 3rd the isolation element FB1 and FB2 for isolating high-frequency signal, the second remote control
Signal is loaded into what is be connected with input port 210 after the second isolation element FB1 and FB1 isolation by pin D1+ pins D1-
On transmission cable.
It is in use, red using first wideband infrared remote receiver IR1 output of the external remote to multimedia reception device 200
Infrared signal is converted to remote signal by external signal, wideband infrared remote receiver IR1, and remote signal is loaded into by the first output unit
On one group of twisted-pair feeder on the transmission cable being connected with input port 210.Then the first input of multimedia dispensing device 100 is single
Member obtains the remote signal from output side interface 1212, and remote signal is converted to infrared signal more matchmakers backward by the first transmitter unit
The remote control reception device transmitting in body source, it is achieved thereby that in display device side to the remote control of multimedia sources.
As preferred embodiment, remote controlled multimedia dispensing device 100 also includes the second infrared receiving
Block 170.Second infrared receiving module 170 includes the second receiving unit and the second output unit, and the second receiving unit is used to receive
3rd infrared signal is simultaneously converted to the 3rd remote signal, and the second output unit is used for the 3rd remote signal by exporting side interface
1212 send to output port 130；Second output unit includes being used for the second isolation element for isolating high-frequency signal.
Accordingly, remote controlled multimedia reception device 200 also includes the second infrared transmission module 270.Second is red
Outer transmitter module 270 includes the second input block and the second transmitter unit, and the second input block is connected to display side interface 2212.
Second input block is used to obtain the 4th remote signal by inputting side interface 2211, and the second transmitter unit is used for the 4th remote control
Signal is converted to the 4th infrared signal；Second input block includes being used for the 4th isolation element for isolating high-frequency signal.
The structure and operation principle of second infrared transmission module 270 are similar with the first infrared transmission module 160, may refer to
Fig. 5,；The structure and operation principle of second infrared receiving module 170 are similar with the first infrared receiving module 260, may refer to figure
6, repeat no more.Positioned at the second infrared receiving module 170 of the multimedia dispensing device 100 of multimedia sources side and positioned at display
The engagement process of the second infrared transmission module 270 of the multimedia reception device 200 of device side is as follows：If external remote to
Second infrared receiving module 170 sends infrared signal, then the second receiving unit of the second infrared receiving module 170 receives infrared letter
Number and be converted to remote signal, the second output unit sends remote signal to transmission cable by output port 130, wherein
High-frequency signal in two output units in the second isolation element isolation transmission cable；The of second infrared transmission module 270 afterwards
Two input blocks obtain remote signal from transmission cable, wherein the 4th isolation element isolation transmission cable in the second input block
In high-frequency signal；Then remote signal is converted to infrared signal to control display device by the second transmitter unit, is such as switched aobvious
Show pattern, it is achieved thereby that the far-end remote control by remote control in multimedia sources side to display device.Infrared connect with reference to first
The cooperation of the infrared transmission module 160 of module 260 and first is received, that is, realizes and display device is remotely controlled in multimedia sources side
With in remote control of the display device side to multimedia sources, i.e. bidirectional remote control.
Above-mentioned embodiment is only preferred embodiment of the present utility model, it is impossible to is protected with this to limit the utility model
Scope, the change of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model scope claimed.
Claims (10)
- A kind of 1. remote controlled multimedia dispensing device, it is characterised in that：Including coding module, first interface circuit mould Block, output port and KVM forwarding modules；The first interface circuit module is used to carry out level translation；The first interface electricity Road module includes source interface and output side interface, and the coding module is connected to the source interface, and the output port connects The output side interface is connected to, the output port is used to be connected with multimedia reception device；The KVM forwarding modules include the One KVM processing units and forwarding interface, the first KVM processing units are connected to the coding module；The coding module is used In obtaining control data bag from the output port by the first interface circuit module, and first is parsed from packet The key mouse control information of form；The first KVM processing units are used for the key mouse control that the first form is obtained from the coding module Information processed, the first KVM processing units are additionally operable to the key mouse control information of the first form being converted into the key mouse of the second form Transmitted after control information to the forwarding interface.
- 2. remote controlled multimedia dispensing device as claimed in claim 1, it is characterised in that：The first interface circuit Module includes the first net mouth transformer, and the source interface and output side interface are respectively positioned on first net mouth transformer.
- 3. remote controlled multimedia dispensing device as claimed in claim 2, it is characterised in that：Also include at the first power supply Module is managed, first power supply processing module includes first and carries electric unit, and the first load electric unit is also connected to the output Side interface；The first load electric unit is used to the first predeterminated voltage being applied to the output side interface, or for from described Export side interface and obtain the first predeterminated voltage；First net mouth transformer is used to isolate the first pre- of the outlet side interface If voltage.
- 4. remote controlled multimedia dispensing device as claimed in claim 3, it is characterised in that：The first power supply processing Module also includes first voltage converter unit, and the first voltage converter unit is pre- for the first predeterminated voltage to be converted into second If voltage.
- 5. the remote controlled multimedia dispensing device as any one of claim 1-4, it is characterised in that：Also include First infrared transmission module, first infrared transmission module include the first input block and the first transmitter unit, and described first Input block is connected to the output side interface, and first input block is used for distant by the output side interface acquisition first Signal is controlled, first transmitter unit is used to the first remote signal being converted to the first infrared signal；First input block Including the first isolation element for isolating high-frequency signal.
- A kind of 6. remote controlled multimedia reception device, it is characterised in that：Including input port, second interface circuit mould Block, decoder module and KVM receiving modules, the decoder module are used to be connected with display device；The second interface circuit module For carrying out level translation；The second interface circuit module includes input side interface and display side interface, the input port It is connected to the input side interface and for being connected with multimedia dispensing device, the decoder module is connected to the display side joint Mouthful；The KVM receiving modules include the 2nd KVM processing units and receiving interface, and the 2nd KVM processing units are connected to described Decoder module and receiving interface；The 2nd KVM processing units are used to obtain second from control device by the receiving interface The key mouse control information of form, the 2nd KVM processing units are additionally operable to the key mouse control information of the second form being converted into Transmitted after the key mouse control information of one form to the decoder module, the decoder module is used to control the key mouse of the first form Information is converted to control data bag, and control data bag is transmitted to the input by the second interface circuit module Mouthful.
- 7. remote controlled multimedia reception device as claimed in claim 6, it is characterised in that：The second interface circuit Module includes the second net mouth transformer, and the input side interface and display side interface are respectively positioned on second net mouth transformer.
- 8. remote controlled multimedia reception device as claimed in claim 7, it is characterised in that：Also include at second source Module is managed, the second source processing module includes second and carries electric unit, and the second load electric unit is also connected to the input Side interface；Described second, which carries electric unit, is used to obtain the first predeterminated voltage from the input side interface, or for pre- by first If voltage is applied to the input side interface；Second net mouth transformer is used to isolate the first pre- of the input side interface If voltage.
- 9. the remote controlled multimedia reception device as any one of claim 6-8, it is characterised in that：Also include First infrared receiving module, first infrared receiving module include the first receiving unit and the first output unit, and described first Output unit is connected to the input side interface；First receiving unit is used to receive the second infrared signal and is converted to second Remote signal, first output unit are used to by the input side interface transmit second remote signal to described defeated Inbound port；First output unit includes being used for the 3rd isolation element for isolating high-frequency signal.
- A kind of 10. remote controlled multi-media transmission system, it is characterised in that：Including such as any one of claim 1-5 institutes The remote controlled multimedia dispensing device stated, and it is remote controlled more as any one of claim 6-9 Media receiving apparatus.
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| CN201721062520.0U CN207075061U (en) | 2017-08-23 | 2017-08-23 | A kind of remote controlled multimedia dispensing device, reception device and Transmission system |
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| CN201721062520.0U CN207075061U (en) | 2017-08-23 | 2017-08-23 | A kind of remote controlled multimedia dispensing device, reception device and Transmission system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107360456A (en) * | 2017-08-23 | 2017-11-17 | 深圳市朗强科技有限公司 | A kind of remote controlled multimedia dispensing device, reception device and Transmission system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107360456A (en) * | 2017-08-23 | 2017-11-17 | 深圳市朗强科技有限公司 | A kind of remote controlled multimedia dispensing device, reception device and Transmission system |
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