Basically the UOC is equipped with RGB or YUV input from external, so it is possible to use the DVD input. Selection of these inputs can be done internally within the IC. But in the G7 and G7A chassis input YUV signal is not used, so in the ground. RGB signal processing flow is described according to the image below : Diagram of the formation RGB signal 1. Signal Yint, uint, and Vint is derived from a series of color decoder and Y / C switch is fed into a series of YUV selector 1. 2. From YUV selector, sub-carrier signal color (U and V) is inserted into the chain matrix. In this matrix series component sub-carrier signal BY of the color (U signal) and BY component of sub-carrier signal color (V signal) in separate. Here the color difference signal in the form of the color sub carrier. GY signal generated by a combination of color difference signals RY and BY. 3. From YUV selector, luminan signal is passed to a series of black stretch. The working principle is to sharpen the series...
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3.3 Electrical Properties of Materials From an electrical point of view, most materials can be classified into three groups; namely: (a) Conductors. (b) Semi-conductors. (c) Insulators. 3.3.1 Conductors According to atomic theory, an electron can escape from the parent atom and move about between the atoms. This is called a "free electron”. Once an electron escapes from an atom, the atom becomes net positively charged. It may then attract a free electron to become a neutral atom again. Metals are characterized by many free electrons. Materials having many free electrons easily allow an electric current to flow through them and are called conductors. Electrons are the electric c...
Storage and Handling of Equipment In order to perform work in the workshop, various tools, instruments and equipment are used. Some of these instruments found in an electrical workshop are: i. Ammeters, ii. Ohmmeters , iii. Voltmeters, iv. oscilloscopes , v. Power packs During the storage of such instruments, safety precautions and procedures have to be followed to avoid damage. If poorly stored or handled the instruments may: a) give false readings when in use, b) be damaged by water and dampness, c) give an electric shock due to dampness, d) be damaged when Incorrectly connecte...
Implementation of customized SCADA for X-Ray Machine Abstract This paper is an effort to enable the Delta PLC (Programmable Logic Controller) DVP14SS to communicate with the Visual Basic 6.0 using Modbus.DLL. The communication between DVP14SS and Visual Basic 6.0 is via Modbus Serial Protocol stated by Delta PLC manufactures. In automated systems there is control supervision, and also health and safety monitoring via supervisory control and data acquisition (SCADA) systems. Values of important parameters such as temperatures, pressures, voltages, etc. are sensed and transferred to monitoring stations in control rooms. After processing the information, decisions are made and supervisory commands are sent to change conditions such as set points or to engage emergency procedures. The data from sensors and set commands to actuators are sent via wired or wireless communication channels. So, communication mechanisms are an integral part of any complex automated system. The S...