KR20200009964A - How to simplify power supply safety management, EFP camera remote control and optical hybrid cable by using power line data communication for video equipment - Google Patents

Abstract

The present invention relates to a method for simplifying power supply safety management, remote control of an electronic field production (EFP) camera, and an optical hybrid cable using power line data communications for video equipment, capable of replacing an expensive broadcasting-only connector and cable with an inexpensive connector and cable. According to the present invention, a 4K or 8K SDI cable for UHD or an HDMI cable connects among a relay camera, a camera control unit (CCU, 300), and a main controller. A hybrid cable connecting a camera (100) or a camera adaptor (530) and the CCU (300) is exchanged from an existing 6-core configuration to a 4-core configuration including an existing 2-core optical fiber cable and an existing 2-core power cable. The CCU (300) supplies a power source of AC 100 to 220 V to the camera (100) or the camera adaptor (530) without using a DC power source or battery. Moreover, the hybrid optical cable includes a power cable and an optical communication cable.

Description

How to simplify power supply safety management, EFP camera remote control and optical hybrid cable by using power line data communication for video equipment}

The present invention is a broadcast camera relay system for a method of supplying power and managing and data communication to a camera and a camera adapter 100 in which a broadcasting device for video recording is installed, and in particular, remote control of the camera head 520 is controlled by a camera CCU [CAMERA CONTROL]. UNIT] (300) to perform the setup function remotely and to manage the power of the camera adapter of the remote location and to reduce the number of optical composite cable used for this, and to reduce the cable manufacturing cost and connector manufacturing cost.

 EFP cameras are used in live and recorded broadcasts and are used to broadcast or record the video selected by the director for the simultaneous shooting of multiple cameras. EFP camera is a camera that is used to connect the situation of the relay site with multiple cameras, and the director selects one image and delivers the situation to the viewers.

Because of this role, EFP cameras are essential equipment for live and recorded broadcasting, and stability and light weight of the equipment are important factors. Thus, live and recorded broadcasts have a direct impact on the quality and cost of programs on camera performance.

Specifically, EFP cameras are mainly used in studios or sports stadiums designed for broadcasting, indoor and outdoor music concerts, and the like. This EFP camera has various and stable functions as it is used in various places and is mainly used for live broadcasting.

In addition, the EFP camera includes a lens 510, a camera head 520, a camera adapter 530, and a controller and power supply for controlling main functions of the camera, a power supply, a camera head controller, and the like.

In addition, the EFP camera needs to control and control various functions of the camera head and an internal communication system such as tally light or intercom.

Specifically, the control range includes a lens and a camera head, a tally, an intercom, a power supply, a safety device based on a power supply, and a tally device.

First, the lens controller controls Zoom In / Out, Focus, and Iris. Next, the function of the camera head controller is to convert light into a video signal, which includes white balance, black balance, ND filter, and color control. There are two ways to control these functions through conventional optical cables and power cables.

In case of power supply, EFP camera and CCU [CAMERA CONTROL UNIT] (300) are provided, and AC or DC power is supplied to the camera or camera adapter (100) from CCU [CAMERA CONTROL UNIT] (300) for unlimited power supply for live broadcasting. Supply and do not use batteries.

In general, the live screen is recorded by several EFP cameras at the same time, but since the recording is taken by one of the cameras, the cameraman needs to check which camera is recording the screen. At this time, the apparatus used is thalilite.

In other words, the tally light is a lamp in front of each camera that, when lit, indicates that the screen held by the camera is recording or broadcasting. Moreover, tallylights help performers orient themselves or prepare other cameramen for the next shot.

On the other hand, the function of the intercom can tell the cameraman through the intercom how to move the camera of the number of cameras.

More specifically, such a TV camera may be generally classified into a standard camera and a handy camera (aka ENG camera or EFP camera, camcorder, DSLR, action cam, etc.).

The standard camera plays a role of grasping the side of a subject or an electronic signal of an image medium, rather than functioning as a camera, and can be used only in a studio or a place equipped with the same conditions as the studio.

The EFP (Eelectronic Field Production) camera is a studio camera for sports broadcasting, news broadcasting, concert broadcasting, and drama recording, unlike the ENG camera in terms of adjusting functions of the camera, but is usually a sub-control room through a cable connected to the unit. Adjust other functions in a separate location, such as

Since the EFP camera does not have a recording function of its own, a large number of manpower is required, mobility is low, and it is difficult to use other than a broadcaster because it is relatively expensive than an ENG camera.

On the other hand, the ENG (Electronic Field Production) camera is designed to be portable so that the cameraman can carry means a camera that can record an image in a separate compact recorder or a recorder built in the camera.

These ENG cameras have the quickness to respond quickly to events, the maneuverability to capture the entire process, and the flexibility of equipment and personnel. In addition, ENG cameras are compact and lightweight, allowing you to quickly shoot events and situations and people faster than any other equipment, and place them on cameraman's shoulders instead of tripods or studio pedestals. The angle can be captured immediately. It also has the advantage of being able to respond immediately to on-site situations and to easily shoot even in extreme conditions.

In this way, ENG cameras are easy to use for news, documentaries, and dramas in outdoor production because they have easy mobility and independent working ability.

However, during outdoor shooting, the length of the composite cable connecting the EFP camera and the CCU [CAMERA CONTROL UNIT] (300) may be longer.If the disconnection or short circuit of the composite cable is confirmed after the preparation for the image shooting is completed, the composite cable should be replaced. There is a problem that requires a lot of time and manpower.

Republic of Korea Patent No. 10-1105395 (January 17, 2012) Republic of Korea Patent No. 10-1286156 (announced on July 17, 2013) Republic of Korea Patent Publication No. 10-2007-0056584 (2007.06.04 published)

This patent is a UHD broadcasting relay system, which connects between a relay camera, a CCU [CAMERA CONTROL UNIT] (300), and a main controller using a 4K, 8K SDI cable or HDMI cable for UHD, and the 4K and 8K SDI for UHD. It provides live or recorded broadcasting or recording function through cable and HDMI cable.

The configuration of the composite cable connecting the camera 100 or the camera adapter 530 and the CCU [CAMERA CONTROL UNIT] 300 is based on the existing 6 optical fiber cable 2 core, power cable 2 core, 4 core [FIG. 5]. By reducing the core [Fig. 4] to 4 core [Fig. 5] by replacing the expensive broadcast-only connector and cable with a low-cost connector and cable, and using the 4 core [Fig. It is to provide broadcasting broadcasting equipment that can reduce the price of EFP camera, which is essential for live broadcasting and recording broadcasting, by replacing power data communication with existing data communication for remote remote control of broadcasting broadcasting camera.

In order to achieve the above object of the present invention, in one embodiment of the present invention by connecting the EFP camera or camera adapter 100 and the CCU [CAMERA CONTROL UNIT] 300 by the EFP camera or camera adapter 100 A camera or camera adapter 100 for collecting the captured audio / video and data and transmitting the audio / video and data, a composite cable connected to the camera or camera adapter 100 for transmitting the signal to the outside, and Live broadcast including a CCU [CAMERA CONTROL UNIT] (300) connected to the composite cable for receiving Audio / Video, data transmitted from the camera or camera adapter 100 and transmitting the Audio / Video, data to the main controller In the broadcast broadcasting relay system, the composite cable is configured to include a dedicated cable and connector of 6 core standards such as optical cable, power cable and communication cable Air, but there is an effect that the task light weight cable by the power cable without the use of the communication cable using the broadcast-only optical composite cable core 4 by use of a communication cable 20% lighter and 20% in the connector art.

Therefore, the existing data communication is performed by power line communication by replacing various functions transmitted and received by the previous data cable with power line communication through the power cable.

According to the present invention, before supplying power to the camera or the camera adapter 100 from the CCU [CAMERA CONTROL UNIT] 300 through the optical composite cable in the event of live broadcasting in rainy weather in relation to the power safety function, the composite cable in advance You can check the status. This can prevent accidents that may occur to workers and equipment on the site due to a short circuit.

In addition, the control of the camera head to the power line communication through the power cable performs the function of the RCP remote controller 400 through the CCU (300). It performs data transmission and reception necessary for remote control of the camera body's white balance, black balance, ND filter, color control, etc.

The present invention can stably provide power to a video recording broadcast device by converting a power to a voltage suitable for a video recording broadcast device connected to a camera or a camera adapter 100.

Looking at the controller of the camera lens 510 used in the EFP camera or the camera adapter 100 to control Zoom In / Out, Focus, Iris, etc., the camera lens 510 remotely by transmitting and receiving data by power line communication through a power cable. Take control.

In general, the broadcast screen is recorded by several TV cameras at the same time, but since the recording is taken by one of the cameras, the cameraman needs to check which camera is recording the screen. At this time, the apparatus used is thalilite. Data communication for tally light control is controlled by power line communication.

As described above, the present invention omits data cables of SMPTE and ARIB standards by transmitting / receiving various functions required by the EFP camera or the camera adapter 100 through power line communication, thereby reducing manufacturing cost and improving the production process, realizing low cost, light weight, and existing cameras. As it does not use the rechargeable battery that is used in the market, it contributes to the spread of users by expanding the broadcasting market and reducing the initial construction cost.

In addition, the present invention improves the compatibility for broadcast production equipment, transmission equipment, home computers, set-top boxes, beam projects, etc. that require remote control and power control in different broadcasting operation equipment, including broadcast cameras, home camcorders and UHD broadcast cameras As a result, the efficiency of work can be improved and the cost of producing content can be drastically lowered.

1 is a block diagram illustrating a broadcast relay system according to an exemplary embodiment of the present invention.
2 is a diagram illustrating a camera.
3 is a diagram illustrating an embodiment of the broadcast relay system of FIG. 1.
4 is a configuration diagram of the SMPTE, ARIB standard broadcast cable and connector.
5 is a block diagram of the present invention standard broadcast cable and connector.

Hereinafter, with reference to the accompanying drawings omit the data cable to the EFP camera or camera adapter 100 and the CCU [CAMERA CONTROL UNIT] 300 according to the preferred embodiments of the present invention, camera and lens control, tally, power supply, power The live and recorded broadcast relay system (hereinafter, abbreviated as "broadcast relay system") using the EFP camera or the camera adapter 100 that realizes SAFETY will be described in detail.

1 is a block diagram illustrating a broadcast relay system for an EFP camera or camera adapter 100 according to an embodiment of the present invention.

Referring to FIG. 1, a broadcast relay system according to the present invention includes a main controller (not shown) of a broadcasting device for video recording, an auxiliary control room (or a relay car), an editing room, a personal computer, a set-top box, a beam projector, and various video display devices. It serves to connect.

Specifically, the broadcast relay system of the present invention is a camera or camera adapter 100 for receiving and transmitting a video signal and an audio signal (hereinafter, abbreviated as 'A / V data') taken from a video recording broadcast device, and the The composite cable 200 for transmitting A / V data, and the CCU [CAMERA CONTROL UNIT] 300 for transmitting the A / V data transmitted by the composite cable 200 to the main controller. The CCU [CAMERA CONTROL UNIT] 300 may be connected to one or more cameras or camera adapters 100 through the composite cable 200.

As a configuration method of the composite cable of the present invention, Figure 4 is a block diagram of the SMPTE, ARIB standard broadcast cable and connector used in the existing relay broadcasting equipment, Figure 5 is a block diagram of the broadcast cable and connector of the present invention standard,

Here, the broadcasting device for the video relay may be a system camera (EFP), ENG camera, camcorder, DSLR camera, broadcasting camera lighting, etc., power line data communication, power safety management, camera remote control, fiber optic cable simplification, etc. It is not limited thereto.

For example, a relay-only system camera (EFP) to which the broadcast relay system according to the present invention can be applied includes a lens unit 510 and a body unit 520, as shown in FIG. 2.

Hereinafter, each component will be described in more detail with reference to the accompanying drawings. As a broadcasting device for image capturing, a relay system camera (EFP) is mainly used as an example.

Referring to FIG. 1, the broadcast relay system camera according to the present invention includes one or more system cameras 100 and a CCU [CAMERA CONTROL UNIT] 300.

The system camera 100 includes a camera dedicated to broadcast broadcasting and is connected to an image recording broadcast apparatus including a camera adapter 530 using an ENG camera, a camcorder, a DSLR camera, and the like. The V data is collected from the broadcasting device for image recording, and the A / V data is transmitted to the CCU [CAMERA CONTROL UNIT] 300 through the composite cable 200. For example, the camera or camera adapter 100 according to the present invention is connected to a power terminal of an ENG camera, a camcorder, a DSLR camera, a broadcast camera, and the like.

In addition, the system camera 100 receives a video signal, power, power SAFETY, camera remote, tally, intercom signal transmitted from the CCU [CAMERA CONTROL UNIT] 300 through the communication cable of the composite cable 200, response Signal response unit for transmitting the signal to the CCU [CAMERA CONTROL UNIT] 300 through the optical communication cable, power cable of the composite cable 200 is provided.

The system camera 100 is a power line communication low voltage connection detection module for generating a connector information by detecting a plurality of connectors coupled to the connection terminal of the image recording broadcast device, and the connector coupled to the image recording broadcast device of the plurality of connectors ( Not shown), and a voltage conversion module for converting the voltage of the power supplied from the CCU [CAMERA CONTROL UNIT] 300 into a voltage having a predetermined size according to the connector information and supplying the voltage to a corresponding connector.

As such, even if a plurality of connectors are provided in the system camera 100, the system camera 100 first supplies power only to a connector to which a broadcasting device for image capturing is coupled. In other words, even if two or more video recording apparatuses are combined with the system camera 100, the system camera 100 supplies power only to the first video recording broadcasting apparatus, and the first and subsequent video recording broadcasting apparatuses. Shut off the power supply and operate the SAFETY function.

In addition, the connector can remotely control the remote control 400 for the video recording device of the type difficult to directly coupled to the system camera 100. To this end, the connector is provided with a plug that can be coupled to one end of the connection terminal of the system camera 100, the other end corresponding to the one end may be composed of a transmission cable connected to the system camera 100.

The system camera 100 of the present invention is supplied with a power of 110V ~ 220V through the composite cable 200, and 5V, 8V to the broadcast equipment for video recording connected to the ENG camera, camcorder, DSLR camera, system camera 100 Custom voltages are available in a variety of voltages, including 12V and 15V.

At this time, the system camera 100 and the camera adapter 530 is an image processor

520, a sound processor (not shown), a remote control 400, and an output port. If necessary, the system camera 100 and the camera adapter 530 may include a UHD video input / output port and further include a first HDMI output port.

The camera adapter 530 may further include a UHD and HDMI input port (hereinafter referred to as a 'first HDMI input port') and a UHD and HDMI output port (hereinafter referred to as a 'second HDMI output port'). .

Here, the UHD and the second HDMI output port are connected to a general audio-visual apparatus and a camera or a camera adapter 100 through an HDMI cable, and the A / V data captured by the ENG camera is connected to the HDMI cable. Provides the function to send to the AV device through. In this case, as an AV device, a TV, a camcorder, a digital camera, a DVD (Digital Versatile Disc) player, a BD (Blu-ray Disc) player, a PS3 (PlayStation 3), a set-top box, a mobile phone may be used. .

If necessary, tally lights or intercoms may be installed in the system camera 100 and the camera adapter 530. In general, camera signal, MIC (microphone) audio signal input to camera, power, camera monitor, program video and audio output from sub-control room There are audio out, return video, audio monitor, tally control signal, intercom signal, and the like. However, the signal output from the camera is video out, the audio out is output to the UHD, HDMI interface, and does not include the remaining necessary functions.

The system camera 100 and the camera adapter 530 may include a camera monitor that is not supported by a general ENG camera, a program video output from a relay car or a sub-control room, a return video of an audio out, an audio monitor, a tally control signal, an intercom signal, and the like. Provides support for sending and receiving. In other words, without the aforementioned functions, an ENG camera, a camcorder, a DSLR camera, and the like cannot be used as a system camera 100.

In detail, the image processor 520 collects an image signal of a screen photographed through a camera lens 510 and provides the image signal to a controller. The sound processor (not shown) includes a system camera 100, an ENG camera, and a camcorder. In this case, the sound signal of the screen shot by the DSLR camera is collected and provided to the controller.

In addition, the intercom is to collect the sound signal input through the microphone of the cameraman to provide to the adapter 530, the video unit collects the character signal input through the system camera 100, ENG camera, camcorder, DSLR camera, etc. It is provided to the control unit.

In addition, the output port is for transmitting the transmission signal collected through the camera or camera adapter 100 to the CCU [CAMERA CONTROL UNIT] 300 through the composite cable 200, the camera or camera adapter 100 and the CCU It provides a function of connecting the terminal of the composite cable 200 connecting the [CAMERA CONTROL UNIT] (300) to the camera or camera adapter (100). If necessary, the transmission signal may be converted into a UHD or HDMI signal between the camera or the camera adapter 100 and the CCU [CAMERA CONTROL UNIT] 300. To this end, between the camera or camera adapter 100 and the composite cable 200, or between the composite cable 200 and the CCU [CAMERA CONTROL UNIT] 300, or both, convert the transmission signal into a UHD or HDMI signal, UHD or HDMI converter for converting an HDMI signal into a transmission signal may be provided.

By selectively outputting basic transmission signal and UHD or HDMI signal, it expands the broadcasting range and provides compatibility with broadcasting equipment, home equipment and personal computer.

In addition, the control unit generates a call signal by collecting signals provided through one or more intercom, tally light, etc., and provides a function of applying the call signal to the communication cable of the composite cable 200 to be described later.

If necessary, the control unit of the system camera 100, ENG camera, camcorder, DSLR camera may collect the control signal of the camera module to include in the call signal. The control signal refers to a signal for adjusting the height of the shutter speed for receiving light through the lens and the camera head, and a signal for processing the received light.

In addition, the control unit of the camera or camera adapter 100 receives and separates the return signal transmitted from the CCU [CAMERA CONTROL UNIT] 300 through the composite cable 200 and outputs the separated signal to the return monitor. Here, the return signal includes A / V data for indicating which camera is photographed, and an intercom signal for collecting a director voice for exchanging a cameraman and a director. At this time, the call signal of the director may be output as a voice to the cameraman through a headset connected to the system camera 100, ENG camera, camcorder, DSLR camera.

As such, the camera or the camera adapter 100 returns to a screen recorded by another camera in the system camera 100, ENG camera, camcorder, DSLR camera, and smartphone formed in a structure capable of confirming only the captured image. It is the configuration to give the monitoring function to check the image.

Since this monitoring function is an essential part of EFP camera, it is a function that must be added to use ENG camera, camcorder, DSLR camera and smartphone as EFP camera.

In addition, the camera or camera adapter 100 is supplied from the CCU [CAMERA CONTROL UNIT] 300 through the composite cable 200 to supply to the system camera 100, ENG camera, camcorder, DSLR camera, smartphone It is configured to provide a system camera 100, ENG camera, camcorder, DSLR camera, the power supply to the smartphone.

In one embodiment, the camera adapter 530 according to the present invention may be configured to include a first optical signal converter 110 and a first digital converter 120, as shown in FIG. 3.

The first optical signal converter 110 receives the return signal transmitted from the CCU [CAMERA CONTROL UNIT] 300 through the second optical cable and outputs the separated return signal to the ENG camera. In this case, the return signal transmitted from the CCU [CAMERA CONTROL UNIT] 300 includes a UHD or HDMI video signal and an audio signal for a real time broadcast provided to the viewer.

The first digital converter 120 receives the lens control signal and the call signal transmitted using the digital signal through the power cable 220 of the composite cable 200. The system includes the lens control signal and the call signal. Camera 100, ENG camera, camcorder, DSLR camera, smartphone lens control and tally light flicker control, the camera head 520, the built-in protocol that can remote control the set-up function.

That is, the CCU [CAMERA CONTROL UNIT] 300 installed in the sub-control room or the relay car through the system camera 100, the ENG camera, the camcorder, the DSLR camera, the smartphone, and the camera adapter 530 on which the first digital converter 120 is installed. The remote controller 400 connected to the system controls the setup functions of the system camera 100, ENG camera, camcorder, DSLR camera, and smartphone in the same separate place.

Therefore, it has a protocol compatible with each camera.

Referring to FIG. 1, a broadcast relay system using a system camera or camera adapter 100, an ENG camera, a camcorder, a DSLR camera, a smartphone, and the like according to the present invention includes a composite cable 200.

The composite cable 200 is to connect the system camera or camera adapter 100, the camera adapter 530 and the CCU [CAMERA CONTROL UNIT] 300 to transmit the transmission signal, the optical cable 210 and the power cable 220 ).

The power cable 220 transmits the AC 110V or 220V power supplied from the CCU [CAMERA CONTROL UNIT] 300 to the system camera 100, the ENG camera, the camcorder, the DSLR camera, the smartphone, and the camera adapter 530. As such, two strands of power cable may be used.

In addition, the power cable 220 provides a management signal supplied from the CCU [CAMERA CONTROL UNIT] 300 to the camera or camera adapter 100, the system camera 100, ENG camera, camcorder, DSLR camera, smartphone, The response signal supplied from the camera adapter 530 is provided to the CCU [CAMERA CONTROL UNIT] 300.

And the composite cable 200 includes an optical cable 210. Here, the optical cable 230 is connected to the camera or camera adapter 100 and the CCU [CAMERA CONTROL UNIT] (300) to transmit the signal collected from the camera or camera adapter 100 to the CCU [CAMERA CONTROL UNIT] (300) Perform two-way communication to transmit.

In a particular aspect, the composite cable 200 according to the present invention is a first optical cable for providing the transmission signal supplied from the camera or camera adapter 100 to the CCU [CAMERA CONTROL UNIT] 300, and the CCU [CAMERA CONTROL UNIT] It includes a second optical cable for transmitting a return signal supplied from the 300 to the camera or the camera adapter (100).

In general, a standard cable SMPTE, ARIB standard composite cable [FIG. 4] used for broadcasting communication is composed of a power cable (not shown), a communication cable (not shown), and an optical cable (not shown).

This patent, unlike the standard standards SMPTE, ARIB standards used for broadcast communication power cable 220 and optical cable 210 are present in each of two strands.

The first optical cable is to transmit the broadcast signal, the audio signal, the transmission signal of the character signal, the second optical cable is to transmit the return signal, the power cable 210 to the CCU [CAMERA CONTROL UNIT] (300) AC 110V or 220V supplied with external power and call signal, camera and lens control, tally, power supply, power to provide the transmission and reception function to the camera or camera adapter 100.

Referring to Figure 1, the system camera 100, ENG camera, camcorder, DSLR camera, a broadcast relay system using a smartphone according to the present invention includes a CCU [CAMERA CONTROL UNIT] (300).

The CCU [CAMERA CONTROL UNIT] 300, which is connected to the composite cable 200 and the main controller, receives the A / V data from the camera or the camera adapter 100, displays it, and directs the relay car or copilot. According to the selection of the additional content-related information to the system camera 100, ENG cameras, camcorders, DSLR cameras, smart phones, cameras or camera adapter 100, such as to provide an external access device.

The CCU [CAMERA CONTROL UNIT] 300 includes a power supply SAFETY management unit for checking the state of the composite cable 200 according to a user signal input from the outside through an input means such as a remote controller 400.

To this end, the power SAFETY management unit transmits a management signal to the camera adapter 530 through the AC 100V ~ 220V power cable 220 of the composite cable 200, according to the response signal received through the AC 220V power cable Controls the supply of power provided to the camera or camera adapter 100 via the AC 220V power cable 220.

In other words, the CCU [CAMERA CONTROL UNIT] 300 transmits the management SAFETY signal to the camera or camera adapter 100 connected to the composite cable 200, and when a response signal is received, normalizes the state of the composite cable 200. Judging by. When the CCU [CAMERA CONTROL UNIT] 300 transmits a management signal to the camera or camera adapter 100 connected to the composite cable 200, and no response signal is received, disconnection or short circuit occurs in the composite cable 200. It was determined that the digital converter has been programmed not to supply power to the camera or camera adapter 100.

The CCU [CAMERA CONTROL UNIT] 300 may be provided with an indicator (not shown) so that an administrator can determine the state of the composite cable 200 according to whether a response signal is received.

The CCU [CAMERA CONTROL UNIT] 300 is connected to a plurality of composite cables 200 as necessary to provide A / V data and camera and lens control, tally, power supply, and power supply SAFETY provided from a plurality of video recording apparatuses. To the main controller. When the ENG camera is used as a video recording device, the return signal of the recorded screen input from the CCU [CAMERA CONTROL UNIT] 300 can be returned to each camera or camera adapter so that the cameraman of each ENG camera can check the recorded screen. 100). In addition, the control signal of the system camera 100, ENG camera, camcorder, DSLR camera, smartphone, which is input from the CCU [CAMERA CONTROL UNIT] 300 from the CAMERA RCP (REMOTE CONTROL PANEL), the system camera 100, ENG Transfer to cameras, camcorders, DSLR cameras and smartphones.

If necessary, CCU [CAMERA CONTROL UNIT] (300) is connected to the main controller using a 4K, 8K SDI cable or HDMI cable for UHD, and recorded through the 4K, 8K SDI cable, HDMI cable for UHD A / V data can be converted to transmit the broadcast.

In addition, the CCU [CAMERA CONTROL UNIT] 300 receives a sync signal for synchronizing signals for image and sound from a sync-generator to a plurality of connected cameras or camera adapters 100 simultaneously. send. In other words, the sync signal provides a reference value to match the starting points of a plurality of cameras.

In a particular aspect, the CCU [CAMERA CONTROL UNIT] 300 according to the present invention may be configured to include a second optical signal converter 310 and a second digital converter 320, as shown in FIG. 3. If necessary, the CCU [CAMERA CONTROL UNIT] 300 can be configured to include 4K, 8K SDI or HDMI input ports for UHD (hereinafter referred to as '4K, 8K SDI or HDMI input ports for a second UHD'). have. In this case, the CCU [CAMERA CONTROL UNIT] 300 may optionally further include a 4K, 8K SDI or HDMI output port (hereinafter, referred to as a “third HDMI output port”) for UHD.

The second optical signal converter 310 primarily transmits signals transmitted from the camera or the camera adapter 100 through the composite cable 200, such as A / V data, camera and lens control, detachment, power supply, and power supply. Receives SAFETY and sends it to the main controller. In this case, the transmission signal may include a call signal of the cameraman and a control signal of the camera head.

The second optical signal converter 310 collects and returns a video signal and an audio signal of a live broadcast or a recorded screen input from the main controller so that each cameraman can confirm a screen selected by a broadcaster or a director provided to a viewer. A signal is generated and the return signal is transmitted to each camera 100 or camera adapter 530 through the second optical cable of the composite cable 200.

If necessary, the CCU [CAMERA CONTROL UNIT] 300 may include a digital recorder (not shown) that provides a self storage function. The digital recorder stores the transmission signal transmitted from each camera or the camera adapter 100 in the CCU [CAMERA CONTROL UNIT] 300. The digital recorder may also store each signal constituting the transmission signal as it is, but configure the transmission signal. For example, the video signal, the audio signal, and the character signal may be separately stored. In this case, the digital recorder may be configured to include a hard disk drive (HDD) or a solid state drive (SSD).

As such, when the CCU [CAMERA CONTROL UNIT] 300 is equipped with a digital recorder, the broadcast taken by the ENG camera can be stored in the HDD or SSD and then provided to the broadcast station. Easier

On the other hand, when the digital recorder is provided in the CCU [CAMERA CONTROL UNIT] 300, the camera or camera adapter 100 may be configured to be provided with a remote controller (not shown). The remote control is installed on the surface of the camera or camera adapter 100 to provide a function to control the operation of the digital recorder by receiving a control signal from the user of the system camera 100, ENG camera, camcorder, DSLR camera, smartphone. .

Although it has been described above with reference to the preferred embodiment of the present invention, those skilled in the art will be able to variously modify and change the present invention without departing from the spirit and scope of the invention described in the claims below. Will understand.

100: camera or camera adapter 100 110: first optical signal converter
120: first digital converter 130: first power cable communication device
200: composite cable 210: optical communication cable
220: power cable 300: CCU [CAMERA CONTROL UNIT] (300) 310: second optical signal converter 320: second digital converter
400: RCP (REMOTE CONTROL PANEL) 510: camera lens
520: Camera Head 530: Camera Adapter

Claims (5)

As a UHD broadcasting relay system, a relay camera and a CCU [CAMERA CONTROL UNIT] 300 connect a main controller with a 4K, 8K SDI cable or HDMI cable for UHD, and the 4K, 8K SDI cable for HDMI, and HDMI. Live or recorded broadcasts can be transmitted or stored via cable.
The configuration of the composite cable connecting the camera 100 or the camera adapter 530 and the CCU [CAMERA CONTROL UNIT] 300 is based on the existing 6 fiber core cable 2 core, power cable 2 core, 4 core [FIG. 5]. By reducing the core [Fig. 4] to 4 core [Fig. 5] by replacing the expensive broadcast-only connector and cable with a low-cost connector and cable, the cable weight is reduced by using the fiber-only optical composite cable of 4 core [Fig. 5]. The effect is lighter by 20% and lighter by 20%.
In case of power supply, EFP camera and CCU [CAMERA CONTROL UNIT] (300) are equipped, and AC 100V ~ AC 220V to camera or camera adapter (100) from CCU [CAMERA CONTROL UNIT] (300) for unlimited power supply for live broadcasting. Supply power and do not use DC power or batteries.
Optical composite cable is configured to include a power cable and a communication cable, the camera or camera adapter 100 receives a management signal transmitted by the power line communication through the power cable from the CCU [CAMERA CONTROL UNIT] 300, the response signal Is provided with a signal response unit for transmitting to the CCU [CAMERA CONTROL UNIT] 300 through the power line communication of the power cable.
The digital converters 120 and 320 are power line communication using the power cable 220 of the composite cable 200 using a digital signal, and the system camera 100, an ENG camera, a camcorder, and a DSLR camera by a lens control signal and a call signal. In addition, a built-in protocol for remote control of the lens control and tally light flashing control of the smartphone, and the setup function of the camera head 520 is incorporated.

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