CN107493447A - A kind of split type HDMI devices - Google Patents
A kind of split type HDMI devices Download PDFInfo
- Publication number
- CN107493447A CN107493447A CN201710897691.3A CN201710897691A CN107493447A CN 107493447 A CN107493447 A CN 107493447A CN 201710897691 A CN201710897691 A CN 201710897691A CN 107493447 A CN107493447 A CN 107493447A
- Authority
- CN
- China
- Prior art keywords
- unit
- signal
- array fibre
- transmission unit
- composite cable
- 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.)
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Classifications
-
- 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
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/22—Adaptations for optical transmission
Abstract
The present invention provides a kind of split type HDMI devices, and the device includes：Transmitting terminal and receiving terminal, transmitting terminal and receiving terminal are connected with the both ends of optoelectronic composite cable respectively；Transmitting terminal is used to the electric signal of signal source being converted to optical signal, and optical signal is transmitted in optoelectronic composite cable；Receiving terminal is used to the optical signal in optoelectronic composite cable is converted into the electric signal and exported；First array fibre transmission unit and electrooptic switching element coupling in transmitting terminal；Second array fibre transmission unit and photoelectric conversion unit coupling in receiving terminal.Because the HDMI devices are before being produced, transmitting terminal couples with electrooptic switching element, receiving terminal has also coupled with photoelectric conversion unit, therefore, just do not have to produce together with optoelectronic composite cable when producing HDMI devices, the not convenient property in production process is reduced, while the customized production of the optoelectronic composite cable different length with HDMI connector can be realized.
Description
Technical field
The present invention relates to HD video transmission field, more particularly, to a kind of split type HDMI devices.
Background technology
With the high speed development of multimedia technology, people propose higher and higher requirement to multimedia transmission quality, especially
Its demand to high-definition multimedia increases, and originally the multimedia of simple transmission video or audio signal can not meet existing
In the demand of society.
In recent years, HDMI (High Definition Multimedia Interface, abbreviation
HDMI it is) a kind of digitized video and COBBAIF technology, HDMI multi-medium datas transmission technology is because can be with simultaneous transmission high definition
Clear vision signal and the audio signal of lossless tonequality, have been increasingly becoming mainstream technology.
When being transmitted to video or audio, in order to adapt to the audio signal of the vision signal of high definition and lossless tonequality
Transmission, the optoelectronic composite cable that generally use has HDMI solve traditional copper as transmission cable, this optoelectronic composite cable
The limitation of line transmission range.
During HDMI is manufactured, because optoelectronic composite cable can not be cut from centre, the light list of optoelectronic composite cable
Member just must be first of coupled connections with the photoelectric conversion chip of HDMI devices, that is to say, that be had to optoelectronic composite cable one
Production HDMI is played, the production process to HDMI causes great inconvenience.
The content of the invention
The present invention provides a kind of a kind of split type HDMI for overcoming above mentioned problem or solving the above problems at least in part
Device.
According to an aspect of the present invention, there is provided a kind of split type HDMI devices, including：Transmitting terminal and receiving terminal, it is described
Transmitting terminal and the receiving terminal are connected with the both ends of optoelectronic composite cable respectively；The transmitting terminal is used to turn the electric signal of signal source
Optical signal is changed to, and the optical signal is transmitted in the optoelectronic composite cable；The receiving terminal is used to answer the photoelectricity
The optical signal closed in cable is converted to the electric signal and exported；The transmitting terminal includes electrooptic switching element and the first array
Optical fiber transmission unit, the first array fibre transmission unit and electrooptic switching element coupling；The receiving terminal includes light
Electric converting unit and the second array fibre transmission unit, the second array fibre transmission unit and the photoelectric conversion unit coupling
Close.
Preferably, the transmitting terminal also includes：First electric signal interface unit and the first array fibre docking unit；It is described
First electric signal interface unit is used for the electric signal for receiving the signal source；The electrooptic switching element is used for the electricity
Signal is converted to the optical signal；The first array fibre transmission unit is used to transmit the optical signal；First array
Fiber alignment unit is used to dock the first array fibre transmission unit with the light unit in the optoelectronic composite cable, realizes
The connection of light path so that the optical signal transmits in the optoelectronic composite cable.
Preferably, the receiving terminal also includes：Second electric signal interface unit and the second array fibre docking unit；It is described
Second array fibre docking unit is used for the light unit in the optoelectronic composite cable and the second array fibre transmission unit
Docking；The second array fibre transmission unit is used to transmit the optical signal in the optoelectronic composite cable；The photoelectricity turns
Unit is changed to be used to the optical signal being converted to the electric signal；The second telecommunication interface unit is used to receive the electric signal
And export.
Preferably, the transmitting terminal also includes：First screen unit, it is arranged at the electrooptic switching element and described first
The top of array fibre transmission unit, for reducing the interference of electromagnetic signal.
Preferably, the receiving terminal also includes：Secondary shielding unit, it is arranged at the photoelectric conversion unit and described second
The top of array fibre transmission unit, for reducing the interference of electromagnetic signal.
Preferably, the electrooptic switching element includes electro-optic conversion chip, by the electro-optic conversion chip by the electricity
Signal is converted to the optical signal.
Preferably, the photoelectric conversion unit includes photoelectric conversion chip, by the photoelectric conversion chip by the light
Signal is converted to the electric signal.
Preferably, the first array fibre transmission unit includes multiple optical signal transmission passages, for transmitting multichannel light
Signal.
Preferably, the second array fibre transmission unit includes multiple optical signal transmission passages, for transmitting multichannel light
Signal.
Preferably, the HDMI devices include HDMI Type A types interface, HDMI Type c-types interface, HDMI Type
D types interface, DP types interface and USB Type-C type interfaces.
A kind of split type HDMI devices proposed by the present invention, because the HDMI devices are before being produced, transmitting terminal is
Through being coupled with electrooptic switching element, receiving terminal has also coupled with photoelectric conversion unit, therefore, when producing HDMI devices just not
Produced together with optoelectronic composite cable, reduce the not convenient property in production process.It can realize and be connected with HDMI simultaneously
The customized production of the optoelectronic composite cable different length of device.First array fibre transmission unit of transmitting terminal passes through the first array fibre
The realization of docking unit is docked with optoelectronic composite cable, and the second array fibre transmission unit of receiving terminal passes through the second array fibre pair
The realization of order member is docked with optoelectronic composite cable, realizes the transmission and transmission of signal.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the transmitting terminal of split type HDMI devices of the embodiment of the present invention；
Fig. 2 is a kind of structural representation of the receiving terminal of split type HDMI devices of the embodiment of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
According to the difference of electrical structure and physical behavior, HDMI can be divided into HDMI TypeA, HDMI Type C and
The interface of HDMI Type D three types, wherein HDMI Type A class interfaces are most common general flat panel TV or video
Equipment, the interface of this size being both provided, HDMI Type A have 19 pins, and width is 13.9 millimeters, thickness is 4.45 millimeters,
It can now be seen that most of equipment be all such size HDMI.
HDMI Type C class interfaces aim at mini-plant and life, width are 10.42 millimeters, and thickness is 2.4 millimeters,
Smaller than HDMI Type A many, application are also smaller.HDMI HDMI Type C also have 19 pins, what each pin represented
Implication difference compared with HDMI Type A.It is mainly used on mancarried device, for example, it is DV, digital camera, portable more
Media player etc..
HDMI Type D class interfaces are newest interface types, and size further reduces, and employ double stitch design,
The intimate miniUSB interfaces of size, are more suitable for portable and mobile unit.HDMI Type D also have 19 pins, and width is 6.4 millimeters,
Thickness is 2.8 millimeters, is mainly used on some small-sized mobile devices, such as mobile phone, MP4.
DP (DisplayPort) interface is also that a kind of high-definition digital shows standard interface, can connect computer and display,
Computer and home theater can also be connected.DP inscribed type joint only has that 26.3mm is wide, 1.1mm is high, smaller than LVDS interface by 30%,
But transfer rate is 3.8 times of LVDS.
USB Type-C have the characteristics that：Largest data transfer speed reaches 10Gbit/ seconds, and USB 3.1 mark
It is accurate；The size at Type-C interface sockets end is about the slim designs of 8.3mm × 2.5mm；Support from tow sides it is pluggable " just
Anti-plug " function, 10,000 times can be born and plugged repeatedly；The standard specification connecting line for being equipped with Type-C connectors can be by 3A electric currents, together
When also support " USB PD ", maximum 100W electric power can be provided beyond existing USB power supply capacities.
The present invention provides a kind of split type HDMI devices, and the HDMI devices may apply to above-mentioned different types of interface
In, the embodiment of the present invention is exemplified by split type HDMI devices to be applied to HDMI Type A type interfaces, but not limited to this.
The embodiment of the present invention provides a kind of split type HDMI devices, and the device includes：Transmitting terminal and receiving terminal, the transmitting
End and the receiving terminal are connected with the both ends of optoelectronic composite cable respectively；The transmitting terminal is used to be converted to the electric signal of signal source
Optical signal, and the optical signal is transmitted in the optoelectronic composite cable；The receiving terminal is used for the optoelectronic composite cable
In the optical signal be converted to the electric signal and export；The transmitting terminal includes electrooptic switching element and the first array fibre
Transmission unit, the first array fibre transmission unit and electrooptic switching element coupling；The receiving terminal turns including photoelectricity
Change unit and the second array fibre transmission unit, the second array fibre transmission unit and photoelectric conversion unit coupling.
The HDMI devices are divided into transmitting terminal and receiving terminal, and transmitting terminal and receiving terminal are separated from each other and independently, transmitting terminal and
Receiving terminal is connected to the both ends of an optoelectronic composite cable, and transmitting terminal is connected with signal source end, and signal source end here can be with
It is mobile phone, flat board or apparatus such as computer, receiving terminal is connected with signal display end, and signal display end here refers to projecting apparatus, electricity
Depending on equipment such as machine, sound equipment or displays.During HDMI devices transmission video and/or audio is used, it is assumed that input signal
(needing the signal transmitted) is vision signal, and video electrical signal is converted to optical signal by transmitting terminal, and optical signal passed through photoelectricity and answered
Conjunction cable is transferred to up to receiving terminal, receiving terminal is then reduced into electric signal optical signal, is shown on signal display terminal.Due to
The first array fibre transmission unit and electrooptic switching element coupling in transmitting terminal, the second array fibre transmission of receiving terminal
Unit and photoelectric conversion unit coupling.
A kind of split type HDMI devices provided by the invention, because the HDMI devices are before being produced, transmitting terminal is
Through being coupled with electrooptic switching element, receiving terminal has also coupled with photoelectric conversion unit, therefore, when producing HDMI devices just not
Produced together with optoelectronic composite cable, reduce the not convenient property in production process.It can realize and be connected with HDMI simultaneously
The customized production of the optoelectronic composite cable different length of device.
Specifically, Fig. 1 is a kind of structural representation of the transmitting terminal of split type HDMI devices of the embodiment of the present invention, such as Fig. 1
Shown, the transmitting terminal also includes：First electric signal interface unit and the first array fibre docking unit；First electric signal
Interface unit is used for the electric signal for receiving the signal source；The electrooptic switching element is used to be converted to the electric signal
The optical signal；The first array fibre transmission unit is used to transmit the optical signal；First array fibre is to order
Member is used to dock the first array fibre transmission unit with the light unit in the optoelectronic composite cable, realizes the company of light path
It is logical so that the optical signal transmits in the optoelectronic composite cable.
When transmitting terminal receives input signal, specifically the first electric signal interface unit in transmitting terminal receives 4 tunnels at a high speed
Electric signal, 4 road high speed signals are input signal, and 4 road high speed signals are changed by electrooptic switching element by electro-optic conversion chip
For 4 road optical signals, electro-optic conversion chip is coupled with the first array fibre transmission unit, and the first array fibre transmission unit will
4 road optical signals are transferred in optical fiber, and due to there is 4 road optical signals, 4 passages are needed in the first array fibre transmission unit.It is logical
The first array fibre docking unit is crossed, 4 road optical signals are docked with the light unit in optoelectronic composite cable, realize the connection of light path,
Optical signal is transmitted in optoelectronic composite cable.
First array fibre transmission unit has the following advantages that：Compact structure is light, small volume, in light weight, interchannel away from
Quantity and spacing can customize, while integrated production technology, ensure that the uniformity of channel signal, reduce the decay of signal.
In the embodiment of the present invention, the first array fibre transmission unit of transmitting terminal docks unit reality by the first array fibre
Now docked with optoelectronic composite cable, the second array fibre transmission unit of receiving terminal, which passes through the second array fibre and docks unit, to be realized
With docking for optoelectronic composite cable, the transmission and transmission of signal are realized.
On the basis of above-described embodiment, transmitting terminal also includes：First screen unit, it is arranged at the electrooptic switching element
With the top of the first array fibre transmission unit, for reducing the interference of electromagnetic signal.
First screen unit is arranged at the electrooptic switching element of transmitting terminal and the top of the first array fibre transmission unit, and
And positioned between pcb board by the position of positioning hole, fixation is attached by way of glue, screen unit both may be used
To protect electrooptic switching element, the interference of electromagnetic signal can be reduced again.
Specifically, on the basis of above-described embodiment, the electrooptic switching element includes electro-optic conversion chip, by described
The electric signal is converted to the optical signal by electro-optic conversion chip.
Specifically, on the basis of above-described embodiment, the first array fibre transmission unit passes including multiple optical signals
Defeated passage, for transmitting multipath light signal.
On the basis of above-described embodiment, Fig. 2 is a kind of knot of the receiving terminal of split type HDMI devices of the embodiment of the present invention
Structure schematic diagram, as shown in Fig. 2 the receiving terminal also includes：Second electric signal interface unit and the second array fibre docking unit；Institute
The second array fibre docking unit is stated to be used to the light unit in the optoelectronic composite cable and second array fibre transmitting list
Member docking；The second array fibre transmission unit is used to transmit the optical signal in the optoelectronic composite cable；The photoelectricity
Converting unit is used to the optical signal being converted to the electric signal；The second telecommunication interface unit is used to receive the telecommunications
Number and export.
When receiving terminal receives the optical signal in optoelectronic composite cable, first, the second array fibre docking unit is compound by photoelectricity
Light unit in cable is docked with the second array fibre transmission unit, realizes the connection of light path, in the second array fibre transmission unit
Including 4 optical signal transmission passages, 4 road optical signals can be transmitted, 4 road optical signals are converted to 4 roads height by photoelectric conversion unit
Fast signal, the second electric signal interface receive 4 road high speed signals and exported.
Second array fibre transmission unit has the following advantages that：Compact structure is light, small volume, in light weight, interchannel away from
Quantity and spacing can customize, while integrated production technology, ensure that the uniformity of channel signal, reduce the decay of signal.
On the basis of above-described embodiment, the receiving terminal also includes：Secondary shielding unit, it is arranged at the opto-electronic conversion
The top of unit and the second array fibre transmission unit, for reducing the interference of electromagnetic signal.
Secondary shielding unit is arranged at the photoelectric conversion unit of transmitting terminal and the top of the second array fibre transmission unit, and
And positioned between pcb board by the position of positioning hole, fixation, secondary shielding unit are attached by way of glue
Both photoelectric conversion unit can be protected, the interference of electromagnetic signal can be reduced again.
On the basis of above-described embodiment, the photoelectric conversion unit includes photoelectric conversion chip, is turned by the photoelectricity
Change chip and the optical signal is converted into the electric signal.
On the basis of above-described embodiment, the second array fibre transmission unit includes multiple optical signal transmission passages,
For transmitting multipath light signal.
A kind of split type HDMI devices provided by the invention, because the HDMI devices are before being produced, transmitting terminal is
Through being coupled with electrooptic switching element, receiving terminal has also coupled with photoelectric conversion unit, therefore, when producing HDMI devices just not
Produced together with optoelectronic composite cable, reduce the not convenient property in production process.It can realize and be connected with HDMI simultaneously
The customized production of the optoelectronic composite cable different length of device.First array fibre transmission unit of transmitting terminal passes through the first array fibre
The realization of docking unit is docked with optoelectronic composite cable, and the second array fibre transmission unit of receiving terminal passes through the second array fibre pair
The realization of order member is docked with optoelectronic composite cable, realizes the transmission and transmission of signal.
Finally, the present processes are only preferable embodiment, are not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc., the protection of the present invention should be included in
Within the scope of.
Claims (10)
- A kind of 1. split type HDMI devices, it is characterised in that including：Transmitting terminal and receiving terminal, the transmitting terminal and the reception End is connected with the both ends of optoelectronic composite cable respectively；The transmitting terminal is used to the electric signal of signal source being converted to optical signal, and make it that the optical signal is compound in the photoelectricity Transmitted in cable；The receiving terminal is used to the optical signal in the optoelectronic composite cable is converted into the electric signal and exported；The transmitting terminal includes electrooptic switching element and the first array fibre transmission unit, the first array fibre transmission unit Coupled with the electrooptic switching element；The receiving terminal includes photoelectric conversion unit and the second array fibre transmission unit, the second array fibre transmission unit Coupled with the photoelectric conversion unit.
- 2. device according to claim 1, it is characterised in that the transmitting terminal also includes：First electric signal interface unit and First array fibre docks unit；The first electric signal interface unit is used for the electric signal for receiving the signal source；The electrooptic switching element is used for The electric signal is converted into the optical signal；The first array fibre transmission unit is used to transmit the optical signal；It is described First array fibre docking unit is used for the light unit in the first array fibre transmission unit and the optoelectronic composite cable Docking, realizes the connection of light path so that the optical signal transmits in the optoelectronic composite cable.
- 3. device according to claim 1, it is characterised in that the receiving terminal also includes：Second electric signal interface unit and Second array fibre docks unit；The second array fibre docking unit is used for the light unit in the optoelectronic composite cable and second array fibre Transmission unit docks；The second array fibre transmission unit is used to transmit the optical signal in the optoelectronic composite cable；Institute Photoelectric conversion unit is stated to be used to the optical signal being converted to the electric signal；The second telecommunication interface unit is used to receive institute State electric signal and export.
- 4. device according to claim 2, it is characterised in that the transmitting terminal also includes：First screen unit, the top of the electrooptic switching element and the first array fibre transmission unit is arranged at, is used for Reduce the interference of electromagnetic signal.
- 5. device according to claim 3, it is characterised in that the receiving terminal also includes：Secondary shielding unit, the top of the photoelectric conversion unit and the second array fibre transmission unit is arranged at, is used for Reduce the interference of electromagnetic signal.
- 6. device according to claim 2, it is characterised in that the electrooptic switching element includes electro-optic conversion chip, passes through The electric signal is converted to the optical signal by the electro-optic conversion chip.
- 7. device according to claim 3, it is characterised in that the photoelectric conversion unit includes photoelectric conversion chip, passes through The optical signal is converted to the electric signal by the photoelectric conversion chip.
- 8. device according to claim 2, it is characterised in that the first array fibre transmission unit includes multiple optical signals Transmission channel, for transmitting multipath light signal.
- 9. device according to claim 3, it is characterised in that the second array fibre transmission unit includes multiple optical signals Transmission channel, for transmitting multipath light signal.
- 10. device according to claim 2, it is characterised in that the HDMI devices include HDMI Type A types interface, HDMI Type c-types interface, HDMI Type D types interface, DP types interface and USB Type-C type interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710897691.3A CN107493447A (en) | 2017-09-28 | 2017-09-28 | A kind of split type HDMI devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710897691.3A CN107493447A (en) | 2017-09-28 | 2017-09-28 | A kind of split type HDMI devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107493447A true CN107493447A (en) | 2017-12-19 |
Family
ID=60653443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710897691.3A Pending CN107493447A (en) | 2017-09-28 | 2017-09-28 | A kind of split type HDMI devices |
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| CN (1) | CN107493447A (en) |
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Application publication date: 20171219 |