Role of Slip Rings In Video Signals Transmission

Date: 2018-11-07 17:32:01

      At some levels, we are all aware of the fact that slip rings can be used for transmitting more than just power signals. In fact, they can also be used for transmitting high-frequency data signals and high current signals. But does the range of signal transmission ends with data signals or there is more to the use of a slip ring? This is not the case really, as the slip rings can so be used to transmit video signals too. Now, that is something both fascinating and brings to the table certain questions. Some of which is what kind of slip rings suits the purpose for signal transmission? What kind of slip ring configuration is required? and the list of questions does not seem to end. One of the most important questions that need to be addressed here is why do we need slip rings to transmit video signals? However, here we will learn the basic slip ring configuration that a conductive ring must incorporate to transmit video signals.

      The term which justifies the use of slip ring for video signal transmitting is 'de-rotate' as such slip ring which is used in transmitting video signal is required to rotate the signals, the source which is the rotating platform. This action setup is quite commonly seen in the rotating gimbal sensors of the concerned scanning vision system. But the use of slip ring is not just confined to 'de-rotate' the generic signals, they are also used to transmit video signals in different sets of the camera, be it the infrared or day and night camera.


      With changing design cue of such surveillance camera equipment the need for better and advanced set of the slip ring, which could transmit all kind of video signals ranging from general video signals to 720p HD signals, and in some cases the requirement often scales up to ultra HD video signals.

Slip ring configuration

      Here we will look into the slip ring configuration set up and parameters that must be included for effective video signal transmission. Getting straight into it. The slip rings in the modern surveillance set of cameras mainly deal with operational activity on the outer surface or most commonly referred to as a physical layer. So, the thing that needs to be taken care if the most are quality of transmission lines.


      Now as a whole, including any kind of device, be it the slip ring or the connector variants must possess the intricate virtue of the quality of the transmission line. The impedance matching along with shields efficiency are the two most important elements that must be in a transmission line medium.

      The entire transmission process should take during the rotational motion. Thus, the slip rings are designed in such a way that there is a continuous contact between the slip ring and brush, which would further help in maintaining the electrical inflow. However, there are certain drawbacks with the application of slip ring which mainly deals with the lack of installation space, which stems from the limited system space. But with modern slip ring technology in place, certain slip rings have been developed which could fit the space crunch through customization.

Reference Parts# of Slip Rings as below:
Rotary Union Manufacturer
MSDI212 series HD-SDI/1080P Slip Rings
slip rings integrated in servo system
MFO800 series Fiber Optic Rotary Joints(optional+Electrical Slip Rings)
MW4045 series High Current Slip Rings
MEPH Slip Rings & Rotary Joints video

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