CN204069165U - High-definition digital signal local network transport and expanding unit - Google Patents
High-definition digital signal local network transport and expanding unit Download PDFInfo
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- CN204069165U CN204069165U CN201420579599.4U CN201420579599U CN204069165U CN 204069165 U CN204069165 U CN 204069165U CN 201420579599 U CN201420579599 U CN 201420579599U CN 204069165 U CN204069165 U CN 204069165U
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Abstract
The utility model provides a kind of high-definition digital signal local network transport and expanding unit, belong to field of signal transmissions, it transfers HDMI signal to network signal by dispensing device, network signal after conversion will deliver to receiving system after long range propagation, receiving system becomes network signal again HDMI signal again, thus achieves the long range propagation of HDMI signal; And add route device in a preferred approach, the network signal of reception is transferred to each receiving system by this route device, the network signal of reception can also be transferred to other receiving systems by each receiving system, namely be equal to and add a signal intermediate transit point, further increase the transmission range of HDMI signal.
Description
Technical field
The utility model relates to a kind of transmission and expanding unit, particularly a kind of high-definition digital signal local network transport and expanding unit.
Background technology
HDMI not only can meet the resolution of 1080P, can also support the digital audio formats such as DVD Audio, supports Eight-channel 96kHz or the transmission of stereo 192kHz digital audio, can transmit the audio signal without compression and vision signal.HDMI can be used for Set Top Box, DVD player, PC, holder for TV playing, integrated amplifier, digital sound and television set.HDMI can transmit audio frequency and video-audio signal simultaneously.
HDMI supports EDID, DDC2B, and the equipment therefore with HDMI has the feature of " plug and play ", can automatically carry out " negotiation " between signal source and display device, automatically selects most suitable video/audio format.
The volume of HDMI is less compared with DVI, as long as a HDMI cable, just can replace maximum 13 mimic transmission lines, effectively can solve the problem that home entertainment system behind line is entangled with in a jumble.But the length of cable optimum distance of HDMI all more than 8 meters, so existing HDMI can not realize long range propagation, thus can not limit the range of application of HDMI.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of high-definition digital signal local network transport and expanding unit, and this local network transport and expanding unit can solve the short problem of HDMI transmission range.
For solving the problem, the technical scheme that the utility model adopts is as follows:
A kind of high-definition digital signal local network transport and expanding unit, comprise dispensing device and receiving system,
Described dispensing device comprises the HDMI signal input, digital receive circuit, the first Signal form translate circuit and the first signal level shift circuit that sequentially connect, and this digital receive circuit, the first Signal form translate circuit and the first signal level shift circuit are used for the HDMI signal of reception being transferred to network signal and export;
Described receiving system comprises and sequentially connects HDMI signal output, digital transmit circuitry, secondary signal format conversion circuit and secondary signal level shifting circuit, secondary signal level shifting circuit is connected with the first signal level shift circuit, and this digital transmit circuitry, secondary signal format conversion circuit and secondary signal level shifting circuit are used for the network signal of reception being transferred to HDMI signal and export.
Preferably, also comprise route device, this route device has signal input and multiple signal output; Described dispensing device is one, and receiving system is multiple, and the signal input of route device is used for the network signal of transmission and reception apparatus output, and the signal output of route device is used for the network signal of reception to transfer to receiving system.
Preferably, described receiving system is provided with multiple handshaking mouth, and this handshaking mouth is for receiving the network signal of route device output and the network signal of reception being transferred to other receiving system.
Preferably, described secondary signal level shifting circuit is connected with the first signal level shift circuit by RJ45 transmission line.
Compared to existing technology, the beneficial effects of the utility model are:
Transfer HDMI signal to network signal by dispensing device, the network signal after conversion will deliver to receiving system after long range propagation, and receiving system becomes network signal again HDMI signal again, thus achieve the long range propagation of HDMI signal; Wherein, add route device in a preferred approach, the network signal of reception is transferred to each receiving system by this route device, the network signal of reception can also be transferred to other receiving systems by each receiving system, namely be equal to and add a signal intermediate transit point, further increase the transmission range of HDMI signal.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model preferred version one;
Fig. 3 is the structural representation of the utility model preferred version two.
Reference numeral is as follows:
1, dispensing device; 11, digital receive circuit; 12, the first Signal form translate circuit; 13, the first signal level shift circuit;
2, receiving system; 21, digital transmit circuitry; 22, secondary signal format conversion circuit; 23, secondary signal level shifting circuit;
3, route device;
4, handshaking mouth.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, high-definition digital signal local network transport described in the utility model and expanding unit comprise dispensing device 1 and receiving system 2; Described dispensing device 1 comprises the HDMI signal input, digital receive circuit 11, first Signal form translate circuit 12 and the first signal level shift circuit 13 that sequentially connect, and this digital receive circuit 11, first Signal form translate circuit 12 and the first signal level shift circuit 13 export for the HDMI signal of reception being transferred to network signal; Described receiving system 2 comprises and sequentially connects HDMI signal output, digital transmit circuitry 21, secondary signal format conversion circuit 22 and secondary signal level shifting circuit 23, secondary signal level shifting circuit 23 is connected with the first signal level shift circuit 13 by RJ45 transmission line, and this digital transmit circuitry 21, secondary signal format conversion circuit 22 and secondary signal level shifting circuit 23 export for the network signal of reception being transferred to HDMI signal.
In addition, the utility model can also set up route device 3, and this route device 3 has signal input and multiple signal output, after setting up route device 3, the utility model will be made to have following preferred version:
Scheme one
As shown in Figure 2, described dispensing device 1 is one, and receiving system 2 is multiple, and the signal input of route device 3 is used for the network signal of transmission and reception apparatus 1 output, and the signal output of route device 3 is used for the network signal of reception to transfer to receiving system 2.
Scheme two
As shown in Figure 3, described receiving system 2 is provided with multiple handshaking mouth 4, and this handshaking mouth 4 is for receiving the network signal of route device 3 output and the network signal of reception being transferred to other receiving system 2; As network signal to be delivered to first handshaking mouth 4 of first receiving system 2 by route device 3, then the network signal of reception is transferred to first handshaking mouth 4 of second receiving system 2 by first receiving system 2 by its second handshaking mouth 4, realizes the prolongation again of transmission range with this.
Described dispensing device 1 and receiving system 2 are multiple, the signal input of route device 3 is for receiving the network signal of one of them dispensing device 1 output, the signal output of route device 3 is used for the network signal of reception to transfer to remaining dispensing device 1, and the network signal of reception is transferred to each receiving system 2 by remaining dispensing device 1 again.
Obviously, transfer HDMI signal to network signal by dispensing device 1, the network signal after conversion will deliver to receiving system 2 after long range propagation, and receiving system 2 becomes network signal again HDMI signal again, thus achieve the long range propagation of HDMI signal; Wherein, add route device 3 in a preferred approach, the network signal of reception is transferred to each receiving system 2 by this route device 3, the network signal of reception can also be transferred to other receiving systems 2 by each receiving system 2, namely be equal to and add a signal intermediate transit point, further increase the transmission range of HDMI signal.
Above-mentioned execution mode is only preferred implementation of the present utility model; can not limit the scope of the utility model protection with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present utility model all belong to the utility model scope required for protection.
Claims (4)
1. high-definition digital signal local network transport and an expanding unit, comprises dispensing device and receiving system, it is characterized in that:
Described dispensing device comprises the HDMI signal input, digital receive circuit, the first Signal form translate circuit and the first signal level shift circuit that sequentially connect, and this digital receive circuit, the first Signal form translate circuit and the first signal level shift circuit are used for the HDMI signal of reception being transferred to network signal and export;
Described receiving system comprises and sequentially connects HDMI signal output, digital transmit circuitry, secondary signal format conversion circuit and secondary signal level shifting circuit, secondary signal level shifting circuit is connected with the first signal level shift circuit, and this digital transmit circuitry, secondary signal format conversion circuit and secondary signal level shifting circuit are used for the network signal of reception being transferred to HDMI signal and export.
2. high-definition digital signal local network transport according to claim 1 and expanding unit, is characterized in that: also comprise route device, and this route device has signal input and multiple signal output; Described dispensing device is one, and receiving system is multiple, and the signal input of route device is used for the network signal of transmission and reception apparatus output, and the signal output of route device is used for the network signal of reception to transfer to receiving system.
3. high-definition digital signal local network transport according to claim 2 and expanding unit, it is characterized in that: described receiving system is provided with multiple handshaking mouth, this handshaking mouth is for receiving the network signal of route device output and the network signal of reception being transferred to other receiving system.
4. the high-definition digital signal local network transport according to any one of claims 1 to 3 and expanding unit, is characterized in that: described secondary signal level shifting circuit is connected with the first signal level shift circuit by RJ45 transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579599.4U CN204069165U (en) | 2014-09-30 | 2014-09-30 | High-definition digital signal local network transport and expanding unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579599.4U CN204069165U (en) | 2014-09-30 | 2014-09-30 | High-definition digital signal local network transport and expanding unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204069165U true CN204069165U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420579599.4U Expired - Fee Related CN204069165U (en) | 2014-09-30 | 2014-09-30 | High-definition digital signal local network transport and expanding unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204069165U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108737760A (en) * | 2017-04-25 | 2018-11-02 | 深圳市玩视科技有限公司 | The device and method of single network cable transmission high definition HDMI signals |
| CN111083170A (en) * | 2019-12-31 | 2020-04-28 | 深圳市朗强科技有限公司 | Method and equipment for sending and receiving multimedia data |
-
2014
- 2014-09-30 CN CN201420579599.4U patent/CN204069165U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108737760A (en) * | 2017-04-25 | 2018-11-02 | 深圳市玩视科技有限公司 | The device and method of single network cable transmission high definition HDMI signals |
| CN111083170A (en) * | 2019-12-31 | 2020-04-28 | 深圳市朗强科技有限公司 | Method and equipment for sending and receiving multimedia data |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 |