CN207978059U - A kind of vision signal optical cable transmission system and the video camera with the Transmission system - Google Patents
A kind of vision signal optical cable transmission system and the video camera with the Transmission system Download PDFInfo
- Publication number
- CN207978059U CN207978059U CN201820424752.4U CN201820424752U CN207978059U CN 207978059 U CN207978059 U CN 207978059U CN 201820424752 U CN201820424752 U CN 201820424752U CN 207978059 U CN207978059 U CN 207978059U
- Authority
- CN
- China
- Prior art keywords
- division multiplexer
- transmission system
- optical cable
- vision signal
- tubular type
- 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.)
- Active
Links
Landscapes
- Optical Communication System (AREA)
Abstract
The utility model is related to the multiplex communication technical fields of light.The utility model provides a kind of vision signal optical cable transmission system, including video frequency signal processing subsystem, master control unit, interface group and transmission assembly；Video frequency signal processing subsystem is connect with master control unit and camera body respectively；Master control unit is connect by interface group with transmission assembly；Video frequency signal processing subsystem includes sequentially connected video optical multiplexer, optical repeater and tubular type wavelength division multiplexer.The utility model also provides a kind of video camera including the vision signal optical cable transmission system.The beneficial effects of the utility model are compared with the prior art：Its size of the vision signal optical cable transmission system is small, at low cost, conducive to being integrated in other equipment.Video camera provided by the utility model also has the characteristics that easy to carry and easily operated while ensureing that efficiency of transmission is high, and the video camera is conducive to promoting the use of, and suitable for broadcast level high-definition camera field.
Description
Technical field
The utility model is related to the multiplex communication technical fields of light, and in particular to a kind of vision signal optical cable transmission system
System and a kind of video camera with vision signal optical cable transmission system.
Background technology
(LEMO) company is not made that important contribution, development are opened to thunder in high-definition camera (HDTV) field of signal transmissions
3K.93C series connectors are sent out.As the standard connector in high-definition camera field of signal transmissions, the connection of 3K.93C series
Device is widely used.Also, in the connector applied in the world, 3K.93C series connectors are also uniquely can be simultaneously
Exactly match the connector of SMPTE, ARIB and EBU standard.
It is described due to having the advantages that, the high-definition camera system established based on LEMO 3K.93C series connectors,
It is currently the high-definition camera system being most widely used.
As shown in Figure 1, for a kind of structural representation based on the thunder not high-definition camera system of 3K.93C standards in the prior art
Figure, which includes high-definition camera 1, camera control unit 2 and several standard transmission components 3, high-definition camera
It is connected in series by several independent standard transmission components 3 between machine 1 and camera control unit 2.High-definition camera 1 is also referred to as
HDTV video cameras.Camera control unit 2 is also referred to as CCU, and camera control unit 2 is for connecting and controlling multigroup high-definition camera
1, camera control unit 2 makes multigroup high-definition camera 1 cooperate.Standard transmission component 3 is high-definition camera optical cable transmission
Component comprising the both ends of plug 31, socket 32 and optical cable 33, optical cable 33 are connect with plug 31 and socket 32 respectively.Optical cable 33
Include a pair of of single mode optical fiber.Standard transmission component 3 is used for transmission electric power, electric signal and optical signal.Plug 31 and socket 32 are thunder
Not 3K.93C connectors.
Camera control unit 2 can first be handled the signal from high-definition camera 1, then, camera control list
Member 2 is by the long distance transmission of treated signal does next step.Long distance transmission in order to make multiple signals effectively shows
Have and also introduce wavelength-division multiplex technique in technology, i.e., the described high-definition camera system further includes wavelength division multiplexer, has the function of multiplex
One end of wavelength division multiplexer is connect with camera control unit 2, and the other end is answered with by optical fiber and the wavelength-division with partial wave function
It is connected with device.The introducing of wavelength-division multiplex technique can make bandwidth of an optical fiber resource be fully used, and the transmission of an optical fiber is made to hold
Amount increases several times to tens times than Single wavelength transmission.Therefore, the use of wavelength division multiplexer undoubtedly reduces long-distance optical fiber transmission
The laying cost of network and the complexity of transmission network, to save fiber resource.
Although there are many benefits for the high-definition camera system, it equally exists drawback, and drawback is：
1, there is higher requirement to electric power, parking space and working environment due to equipment such as wavelength division multiplexers, it is described
The application range of high-definition camera system is limited, generally requires to depend on and relays base or mobile control room and could realize its own function, no
Conducive to portable and motor-driven.
2, complicated for operation and learning cost is high, and operating process node is more, and needs multi-user collaborative operation.
3, equipment operation and maintenance is of high cost, is unfavorable for promoting the use of.
4, since there is no use wave during the optical signal transmission between high-definition camera 1 and camera control unit 2
Divide multiplexing technology, therefore, transmission efficiency is low in standard transmission component 3 for optical signal, and then influences entire high-definition camera system
The transmission capacity and transmission speed of system.
To sum up, a kind of signal transmission system of integrated micro WDM device and a kind of integrated micro wavelength-division multiplex are designed
The video camera of device is very necessary, and very urgent.
In view of the defect, the utility model creator obtains this practicality newly finally by prolonged research and practice
Type.The utility model is dedicated to the addition micromation WDM device inside video camera, then passes through the signal after multiplex
The outside long range of standard transmission component 3 or short-distance transmission.
Utility model content
To solve the technological deficiency, the technical solution adopted in the utility model is that the utility model provides one kind and regards
Frequency signal optical cable transmission system comprising video frequency signal processing subsystem, master control unit, interface group and transmission assembly；It is described
Video frequency signal processing subsystem is connect with the master control unit and camera body respectively；The master control unit passes through described
Interface group is connect with the transmission assembly；The video frequency signal processing subsystem includes sequentially connected video optical multiplexer, light turn
Send out device and tubular type wavelength division multiplexer；The video optical multiplexer is used for vision signal by being converted into light letter after coding and modulation
Number；Several optical repeaters are used for the non-nominal wavelength convert in optical signal into nominal optical wavelength；The tubular type wavelength-division is multiple
With device for executing multiplex or partial wave.
Preferably, the tubular type wavelength division multiplexer is portable coarse wavelength division multiplexer device or portable dense wave division multipurpose
Device.
Preferably, the tubular type wavelength division multiplexer is portable coarse wavelength division multiplexer device；The tubular type wavelength division multiplexer
Operation wavelength is 1260 to 1650nm, and the channel spacing of the tubular type wavelength division multiplexer is 20nm.
Preferably, the number of channels of the tubular type wavelength division multiplexer is 8, the operation wavelength partial wave in each channel is
1470nm, 1490nm, 1510nm, 1530nm, 1550nm, 1570nm, 1590nm and 1610nm.
Preferably, the tubular type wavelength division multiplexer is encapsulated by aluminum pipe or stainless steel tube, the length of the tubular type wavelength division multiplexer
Degree is 20mm, a diameter of 4mm.
Preferably, the transmission assembly is standard transmission component, the standard transmission component is thunder not 3K.93C connectors；
The interface group is the modular connection of the matching thunder not 3K.93C connectors.
The utility model also provides a kind of video camera, including camera body and vision signal optical cable transmission system, described
Vision signal optical cable transmission system is connect with the camera body, and the vision signal optical cable transmission system is for handling and passing
The defeated vision signal from the camera body.
Preferably, video camera further includes SDI modules and audio power amplification module；The audio power amplification module passes through
The SDI modules are connect with the camera body, and the audio power amplification module is for amplifying the camera body
Audio sensor collected by audio signal；The SDI modules are for the audio signal to be embedded in.
Preferably, video camera further includes handover module, the handover module respectively with the SDI modules, the master control
Unit, RET playback buttons and the live buttons of LIVE；The RET playback buttons are for triggering play-back command；The LIVE is real
Condition broadcasts button for triggering live instruction；The handover module selects a choosing in play-back command and live instruction
It selects, and triggers the SDI modules, master control unit execution play-back command or live instruction.
Preferably, the master control unit is connect with the camera body, further include TALLY in the master control unit
It controls subelement and OCP controls subelement；The OCP controls subelement is connect with OCP controllers, and the OCP controls subelement
Instruction for executing the OCP controllers；The TALLY controls subelement is connect with TALLY systems.
The beneficial effects of the utility model are compared with the prior art：A kind of vision signal light provided by the utility model
Its size of cable Transmission system is small, at low cost, conducive to being integrated in other equipment, has wide range of applications, and flexibility is strong, is suitable for
Point-to-point communication.The communication bandwidth utilization rate for integrating the vision signal optical cable transmission system is high.The utility model also carries
A kind of video camera including vision signal optical cable transmission system supplied, the video camera also have while ensureing that efficiency of transmission is high
There are easy to carry and easily operated feature, the video camera to be conducive to promote the use of, which is suitable for the high-definition camera of broadcast level
Field.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram based on the thunder not high-definition camera system of 3K.93C standards in the prior art；
Fig. 2 is the structural schematic diagram of thunder not 3K.93C connectors；
Fig. 3 is the structural schematic diagram of optical cable in standard transmission component；
Fig. 4 is the structural schematic diagram of vision signal optical cable transmission system in the utility model embodiment 1；
Fig. 5 is the transmission path figure of light in the utility model embodiment 1；
Fig. 6 is the front view of tubular type wavelength division multiplexer in the utility model embodiment 1；
Fig. 7 is the left view of tubular type wavelength division multiplexer in the utility model embodiment 1；
Fig. 8 is the demultiplexing schematic diagram of tubular type wavelength division multiplexer in the utility model embodiment 1；
Fig. 9 is the fundamental diagram of deielectric-coating filter in the utility model embodiment 1.
Reference numeral：
High-definition camera 1, camera control unit 2, standard transmission component 3, camera body 5, vision signal optical cable pass
Defeated system 6, video frequency signal processing subsystem 7, master control unit 8, interface group 9, transmission assembly 10, SDI modules 21, audio power
The live button 25 of amplification module 22, handover module 23, RET playback buttons 24, LIVE, plug 31, socket 32, optical cable 33,
First fibre-optical splice 41, the second fibre-optical splice 42, the first power supply needle core 43, second source needle core 44, the first signal needle core 45,
Binary signal needle core 46, connector shell 47, the first optical fiber 51, the second optical fiber 52, the first power supply core wire group 53, second source core wire
Group the 54, first signal core line 55, second signal core wire 56, video optical multiplexer 71, optical repeater 72, tubular type wavelength division multiplexer 73,
First input/output terminal 74, the second input/output terminal 75 and medium film filter 76.
Specific implementation mode
Below in conjunction with attached drawing, technical characteristic and advantage described in the utility model and other are described in more detail.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on ... shown in the drawings
Or position relationship, it is merely for convenience of description the utility model, not indicating or implying the indicated device or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, unless otherwise
Clear specific restriction.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection or can communicate each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, can be the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the concrete meaning of the term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature
Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature and be directly above or diagonally above the second feature, or only
Indicate that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of the term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combines and combination.
Embodiment 1
As shown in figure 4, for the structural schematic diagram of vision signal optical cable transmission system in utility model embodiment 1.This practicality
New embodiment 1 provides a kind of vision signal optical cable transmission system 6 comprising：Video frequency signal processing subsystem 7, master control list
Member 8, interface group 9 and transmission assembly 10.Video frequency signal processing subsystem 7 connects with master control unit 8 and camera body 5 respectively
It connects.8 one end of master control unit is connect with video frequency signal processing subsystem 7, and the other end connects with by interface group 9 and transmission assembly 10
It connects.
Video frequency signal processing subsystem 7 is for handling the vision signal from camera body 5.Through video frequency signal processing
Treated that vision signal can be directly used for transmitting for system 7.Video frequency signal processing subsystem 7 includes video optical multiplexer 71, light
Transponder 72 and tubular type wavelength division multiplexer 73.Video optical multiplexer 71, optical repeater 72 and tubular type wavelength division multiplexer 73 are sequentially connected.
Vision signal from camera body 5 initially enters video optical multiplexer 71,71 vision signal of video optical multiplexer by coding with
Optical signal is converted into after modulation, modulated optical signal is further transmitted to optical repeater 72, and optical repeater 72 will be in optical signal
Non- nominal wavelength convert at nominal optical wavelength as defined in complying with standard.The optical signal of nominal optical wavelength continues to be transferred to tubular type
In wavelength division multiplexer 73, tubular type wavelength division multiplexer 73 includes Multiplexing module and demultiplexing module.When executing outside transformation task,
Multiplexing module plays efficiency.By the Multiplexing module of tubular type wavelength division multiplexer 73, the optical signal of multiple independent nominal optical wavelength
It is performed multiplex operation.In this way, the optical signal of different wave length can be multiplexed into same root transmission assembly 10 and is passed
It send.It is advantageous in that the message capacity and communication efficiency for the system of greatly improving, the bandwidth of the transmission assembly 10 made full use of
Resource.
As shown in fig. 6, for the front view of tubular type wavelength division multiplexer in the utility model embodiment 1；As shown in fig. 7, for this
The left view of tubular type wavelength division multiplexer in utility model embodiment 1.In the present embodiment preferably, tubular type wavelength division multiplexer 73 is
Portable coarse wavelength division multiplexer device CWDM, size are：Length 20mm, diameter 4mm.Tubular type wavelength division multiplexer 73 is for aluminum pipe or not
The steel pipe that becomes rusty encapsulates.73 inside of tubular type wavelength division multiplexer includes several medium film filters 76.Using tubular type wavelength division multiplexer 73
It being advantageous in that, portable coarse wavelength division multiplexer device CWDM sizes are small, at low cost, conducive to being integrated in other equipment, application range
Extensively, flexibility is strong, is suitable for point-to-point communication.Using the Transmission system bandwidth of portable coarse wavelength division multiplexer device CWDM
Utilization rate is high.
The operation wavelength of portable coarse wavelength division multiplexer device CWDM be 1260~1650nm, channel spacing 20nm, preferably
The channel quantity on ground, tubular type wavelength division multiplexer 73 is 8.As shown in figure 5, for the transmission road of light in the utility model embodiment 1
Diameter figure.Nominal optical wavelength through 72 transformed optical signal of optical repeater is respectively 1470nm, 1490nm, 1510nm, 1530nm,
1550nm, 1570nm, 1590nm and 1610nm.8 channels of tubular type wavelength division multiplexer 73 correspond to the light letter of this 8 wavelength respectively
Number, the optical signal of 8 wavelength is inputted in 8 channels of tubular type wavelength division multiplexer 73 respectively by the second input/output terminal 75.
The optical signal of final 8 wavelength is coupled in an optical link, is then exported through the first input/output terminal 74.In receiving terminal,
The light carriers of various wavelength is detached by channel-splitting filter, then by solution sub-system video optical multiplexer and optical repeater make into
The processing of one step is to restore original signal.The Multiplexing module of tubular type wavelength division multiplexer 73 is identical with demultiplexing module structure, and difference only exists
It is opposite in the input and output direction of signal.
As shown in figure 8, for the demultiplexing schematic diagram of tubular type wavelength division multiplexer in the utility model embodiment 1；Such as Fig. 9 institutes
Show, is the fundamental diagram of deielectric-coating filter in the utility model embodiment 1.Second input/output terminal 75 can be used as inputting
End also can be used as output end, is demultiplexed with tubular type wavelength division multiplexer 73, i.e., for partial wave process, illustrates tubular type wave in the present embodiment
The working method of division multiplexer 73.Signal after multiplex is entered by the first input/output terminal in tubular type wavelength division multiplexer 73,
It is wherein λ comprising wavelength1To λ8Optical signal, when signal pass through first medium film filter 76 when, wavelength λ1Optical signal
First medium film filter 76 is penetrated, subsequently into channel 1, commplementary wave length λ2To λ8Optical signal then reflected.So i.e.
Completion wavelength is λ1Optical signal partial wave operation.Then, wavelength λ2To λ8Optical signal go successively to second medium membrane filtration
Wave device 76, wavelength λ2Optical signal penetrate second medium film filter 76, subsequently into channel 2, commplementary wave length λ3To λ8
Optical signal then reflected.It is λ to complete wavelength in this way2Optical signal partial wave operation.And so on, until 8 wavelength
Optical signal is all separated.
Master control unit 8 is connect with video frequency signal processing subsystem 7, has both been used to control multiplex or partial wave process, has been additionally operable to
Outside transmission of the control through treated the optical signal of video frequency signal processing subsystem 7.Master control unit 8 can also control tubular type wavelength-division
The quantity and wavelength of channel in multiplexer 73.Interface group 9 is connect with master control unit 8 and transmission assembly 10 respectively, it is preferable that is connect
Mouth group 9 is standard interface, for providing coffret to transmission assembly 10.Transmission assembly 10 is standard transmission component.In this reality
It applies in example, it is preferable that transmission assembly 10 is standard transmission component 3, and standard transmission component 3 is thunder not 3K.93C connectors, packet
Plug 31, socket 32 and optical cable 33 are included, the both ends of optical cable 33 are connect with plug 31 and socket 32 respectively.Optical cable 33 includes a pair of single
Mode fiber.Standard transmission component 3 is used for transmission optical signal.Interface group 9 is to match the modular connection of thunder not 3K.93C connectors.
As shown in Fig. 2, for the structural schematic diagram of thunder not 3K.93C connectors；As shown in figure 3, for light in standard transmission component
The structural schematic diagram of cable.Plug 31 is identical as the structure of socket 32 in standard transmission component 3, and plug 31 includes the first fibre-optical splice
41, the second fibre-optical splice 42, the first power supply needle core 43, second source needle core 44, the first signal needle core 45, second signal needle core 46
With connector shell 47.Optical cable 33 includes the first optical fiber 51, the second optical fiber 52, the first power supply core wire group 53, second source core wire
The 54, first signal core line 55 of group and second signal core wire 56.
Believe respectively with first on the first signal needle core 45 and socket 32 on plug 31 at the both ends of first signal core line 55
Number needle core 45 connects, and three is collectively as channel transfer signal.The both ends of second signal core wire 56 respectively on plug 31
The first signal needle core 46 connection on binary signal needle core 46 and socket 32, three is collectively as channel transfer signal.First optical fiber
51 both ends are connect with the first fibre-optical splice 41 on the first fibre-optical splice 41 and socket 32 on plug 31 respectively, and three is common
As single mode optical fiber channel transfer signal.The both ends of second optical fiber 52 respectively with the second fibre-optical splice 42 and socket on plug 31
The second fibre-optical splice 42 connection on 32, three is collectively as single mode optical fiber channel transfer signal.First power supply needle core 43, second
Power supply needle core 44 forms supply line with the first power supply core wire group 53, second source core wire group 54 respectively.Connector shell 47 connects
Ground.
The optical signal of multiple wavelength can be coupled to an optical link by above-mentioned vision signal optical cable transmission system 6
In, then export.Vision signal optical cable transmission system 6 is small, moreover it is possible to match existing high-definition camera standard interface and mark
Quasi- transmission assembly, vision signal optical cable transmission system 6 are easily integrated into video camera.It is particularly suitable for broadcast level high-definition camera
Machine.
The utility model embodiment 1 also provides a kind of video camera comprising above-mentioned vision signal optical cable transmission system 6,
Camera body 5, SDI modules 21 and audio power amplification module 22.
Camera body 5 is connect with vision signal optical cable transmission system 6, and is transmitted to vision signal optical cable transmission system 6
Vision signal.Camera body 5 is connect with audio power amplification module 22, and transmits audio letter to audio power amplification module 22
Number, audio power amplification module 22 is for audio signal collected by the audio sensor on amplifying camera machine ontology 5.Audio work(
Rate amplification module 22 is also connect with SDI modules 21.SDI modules 21 are used to be embedded in through audio power amplification module into vision signal
22 amplified audio signals.SDI modules 21 are connect with video frequency signal processing subsystem 7 and master control unit 8 respectively.It is preferred that
Ground is connected between SDI modules 21 and master control unit 8 by RS-485 buses.SDI modules 21 will be embedding by master control unit 8
The optical signal for entering audio signal is sent out.Sound control knob is additionally provided on audio power amplification module 22.
In addition, the video camera involved in the present embodiment further includes handover module 23, handover module 23 respectively with SDI modules
21, master control unit 8, RET playback buttons 24 and the live buttons 25 of LIVE connect.RET playback buttons 24 are for triggering back
It puts and instructs and instruction is transmitted to handover module 23.The live buttons 25 of LIVE are for triggering live instruction and will instruct
It is transmitted to handover module 23.Handover module 23 selects a selection in play-back command and live instruction, and triggers SDI modules
21, master control unit 8 executes play-back command or live instruction.
Master control unit 8 is also connect with camera body 5, further include in master control unit 8 TALLY control subelement and
OCP control subelement, OCP control subelement connect with OCP controllers, it is preferable that OCP control subelement and OCP controllers it
Between connected with RS-422 buses by RS-485 buses.OCP controllers are used to control arrange parameter and the execution of camera body 5
Instruction operation, such as adjust white balance, aperture control, adjust the gentle implementation premonitoring of main stain etc..
TALLY control subelements are connect with TALLY systems.In in recording process, TALLY systems play very important
It acts on it and appears in camera head, video camera viewfinder and the first-class system node of video wall in the form of character or indicator light, point
It is not prompted to host, camera shooting and studio producer.Coordinate the staff in each post by visual cues,
The state of progress of program is understood in time.
In addition, master control unit 8 is also connect with computer, it is preferable that pass through USB between master control unit 8 and computer
Connecting line connects.Computer can control master control unit 8.Computer is also connect with video frequency signal processing subsystem 7, computer
It can either be used to control video frequency signal processing subsystem 7, additionally it is possible to store the signal of the output of video frequency signal processing subsystem 7.
Video camera described in the present embodiment is preferably a kind of broadcast level EFP video cameras.
Embodiment 2
The present embodiment difference from Example 1 is:8 one end of master control unit connects with video frequency signal processing subsystem 7
It connects, the other end is directly connect with relay devices with by interface group 9.
Embodiment 3
The present embodiment difference from Example 1 is：Tubular type wavelength division multiplexer 73 is portable dense wave division multiplexer
DWDM。
Embodiment 4
The present embodiment difference from Example 2 is：Tubular type wavelength division multiplexer 73 is portable dense wave division multiplexer
DWDM。
Embodiment 5
The present embodiment difference from Example 1 is:Tubular type wavelength division multiplexer 73 is portable FWDM wavelength division multiplexers.
Embodiment 6
The present embodiment difference from Example 2 is:Tubular type wavelength division multiplexer 73 is portable FWDM wavelength division multiplexers.
Embodiment 7
The present embodiment difference from Example 3 is:Tubular type wavelength division multiplexer 73 is portable FWDM wavelength division multiplexers.
Embodiment 8
The present embodiment difference from Example 4 is:Tubular type wavelength division multiplexer 73 is portable FWDM wavelength division multiplexers.
The preferred embodiment that these are only the utility model, is merely illustrative for the utility model, rather than limit
Property processed.The structure and connection type etc. of each component may be changed in the utility model, every new in this practicality
The equivalents carried out on the basis of type technical solution and improvement should not exclude except the scope of protection of the utility model.
Claims (10)
1. a kind of vision signal optical cable transmission system, which is characterized in that it includes video frequency signal processing subsystem, master control list
Member, interface group and transmission assembly；The video frequency signal processing subsystem connects with the master control unit and camera body respectively
It connects；The master control unit is connect by the interface group with the transmission assembly；The video frequency signal processing subsystem includes
Sequentially connected video optical multiplexer, optical repeater and tubular type wavelength division multiplexer；The video optical multiplexer is for leading to vision signal
It is converted into optical signal after crossing coding and modulation；Several optical repeaters are used for the non-nominal wavelength convert in optical signal into mark
Claim optical wavelength；The tubular type wavelength division multiplexer is for executing multiplex or partial wave.
2. a kind of vision signal optical cable transmission system as described in claim 1, which is characterized in that the tubular type wavelength division multiplexer
For portable coarse wavelength division multiplexer device or portable dense wave division multiplexer.
3. a kind of vision signal optical cable transmission system as claimed in claim 2, which is characterized in that the tubular type wavelength division multiplexer
For portable coarse wavelength division multiplexer device；The operation wavelength of the tubular type wavelength division multiplexer is 1260 to 1650nm, the tubular type wave
The channel spacing of division multiplexer is 20nm.
4. a kind of vision signal optical cable transmission system as claimed in claim 3, which is characterized in that the tubular type wavelength division multiplexer
Number of channels be 8, the operation wavelength partial wave in each channel is 1470nm, 1490nm, 1510nm, 1530nm,
1550nm, 1570nm, 1590nm and 1610nm.
5. a kind of vision signal optical cable transmission system as described in claim 1-4 is any, which is characterized in that the tubular type wavelength-division
Multiplexer is encapsulated by aluminum pipe or stainless steel tube, and the length of the tubular type wavelength division multiplexer is 20mm, a diameter of 4mm.
6. a kind of vision signal optical cable transmission system as described in claim 1, which is characterized in that the transmission assembly is standard
Transmission assembly, the standard transmission component are thunder not 3K.93C connectors；The interface group is to match the thunder not 3K.93C companies
Connect the modular connection of device.
7. a kind of video camera, including camera body, which is characterized in that it further includes one as described in claim 1-6 is any
Kind vision signal optical cable transmission system, the vision signal optical cable transmission system are connect with the camera body, the video
Signal optical cable transmission system is for handling and transmitting the vision signal from the camera body.
8. a kind of video camera as claimed in claim 7, which is characterized in that it further includes SDI modules and Audio power amplifier mould
Block；The audio power amplification module is connect by the SDI modules with the camera body, the Audio power amplifier mould
Block is used to amplify audio signal collected by the audio sensor on the camera body；The SDI modules are used for will be described
Audio signal is embedded in.
9. a kind of video camera as claimed in claim 8, which is characterized in that it further includes handover module, the handover module point
Not with the SDI modules, the master control unit, RET playback buttons and the live buttons of LIVE；The RET playback buttons
For triggering play-back command；The live buttons of LIVE are for triggering live instruction；The handover module is playing back
A selection is selected in instruction and live instruction, and triggers the SDI modules, master control unit execution play-back command or reality
Condition broadcasts instruction.
10. a kind of video camera as claimed in claim 8, which is characterized in that the master control unit and the camera body
It connects, further includes TALLY control subelements and OCP control subelements in the master control unit；OCP control subelement with
OCP controllers connect, and the OCP controls subelement is used to execute the instruction of the OCP controllers；TALLY controls is single
Member is connect with TALLY systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820424752.4U CN207978059U (en) | 2018-03-28 | 2018-03-28 | A kind of vision signal optical cable transmission system and the video camera with the Transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820424752.4U CN207978059U (en) | 2018-03-28 | 2018-03-28 | A kind of vision signal optical cable transmission system and the video camera with the Transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207978059U true CN207978059U (en) | 2018-10-16 |
Family
ID=63763775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820424752.4U Active CN207978059U (en) | 2018-03-28 | 2018-03-28 | A kind of vision signal optical cable transmission system and the video camera with the Transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207978059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108259864A (en) * | 2018-03-28 | 2018-07-06 | 周毅 | A kind of vision signal optical cable transmission system and the video camera with the Transmission system |
-
2018
- 2018-03-28 CN CN201820424752.4U patent/CN207978059U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108259864A (en) * | 2018-03-28 | 2018-07-06 | 周毅 | A kind of vision signal optical cable transmission system and the video camera with the Transmission system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0139533B1 (en) | A method for switching between optical cables in a communication line | |
| KR101533872B1 (en) | Reconfigurable optical add/drop multiplexing device for enabling totally inresistant wavelength irrelevance | |
| CN102301730A (en) | Method, device and system for transmitting and processing multichannel AV | |
| CN207978059U (en) | A kind of vision signal optical cable transmission system and the video camera with the Transmission system | |
| US6271962B1 (en) | System of controlling wavelength division multiplexed optical amplifier and method thereof | |
| JP3881674B2 (en) | Digital broadcast channel switching apparatus and method using VCC information | |
| CN108259864A (en) | A kind of vision signal optical cable transmission system and the video camera with the Transmission system | |
| JP5223020B1 (en) | Optical transmission system | |
| ITMI980079A1 (en) | WAVE LENGTH DIVISION MULTIPLATION SYSTEM LENGTH DIVISION MULTIPLATION TRANSMISSION SYSTEM AND | |
| CN106331829B (en) | A kind of full tunnel caption special effect delivery system for activity race | |
| JP2010041660A (en) | Wdm transmitter | |
| CN207677735U (en) | A kind of multimode fibre based on catv network zooms out covering system of registering one's residence | |
| JP4074359B2 (en) | Television broadcasting equipment | |
| CN102333025A (en) | Broadcasting and television two-way network system and smooth bandwidth-upgrading method thereof | |
| JP2904098B2 (en) | Earthquake observation system | |
| CN201114497Y (en) | Audio and video signal automatic multi-optional device | |
| CN202353724U (en) | Two-way broadcasting television network system | |
| JP3244248B2 (en) | Optical information distribution device | |
| CN201467346U (en) | Television signal shunting device | |
| CN201682142U (en) | Distribution facility with optical fiber interface | |
| JPS6076830A (en) | Information transmitting system | |
| JP2005094969A (en) | Expansive type space-saving interior wiring system using composite cables | |
| JPH0865267A (en) | Optical wdm information distributing network | |
| CN207752794U (en) | Audio data mixed broadcast system | |
| JP2006005595A (en) | Catv optical transmission device and optical transmission system using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |