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Electricity method for the instant transfer activity in the visual image. The film is similar to TV, using visual residual effect shows a frame gradient static image, vision of moving image. Television system transmitting end the scene each micro part according to the luminance and chrominance is converted to an electrical signal, sequential transmission. At the receiving end according to the corresponding geometric position of the micro part show brightness and chroma to reproduce the original image.

Interpretation of ewrtwerwerwer
Ertertert
Basic interpretation
TV Di, n sh J
[ TV set; television receiver; televisor] television receiver is known
Detailed explanation

The television receiver is known. Television broadcasting receiving device. A complex electronic circuit and a speaker, a fluorescent screen. Its role is received via the antenna television station transmits the television signal, and then through the electronic circuit separates the video signal and the audio signal, respectively, through the screen and speakers for reduction of image and sound.dvb t tuners A black-white TV and color TV two. Color TV and color reproduction function.
Editor this paragraph

An electric appliance
Refer to all the electric appliances, from a professional standpoint, mainly refers to the circuit is switched on, off, on the circuit parameter transformation, in order to achieve circuit or electric equipment control, regulation, switching, detection and protection of electrical apparatus, equipment and components. But now this term has been widely extended to civilian perspective,dvb t receivers from the ordinary people 's perspective, mainly refers to the family of some commonly used for life to provide the convenience for the electric equipment, such as televisions, air conditioning, washing machine, refrigerator, various small appliances etc. Electrical is collectively, means: AC, DC, high voltage, low voltage.

Electrical cl***ification
Electrical functional par***ioning
Mainly includes the following 5 categories:
First used for connecting and disconnecting the electrical circuit, such as a contactor, knife switch, load switch, isolation switch, circuit breaker.
The control circuit of the appliance used, such as electromagnetic starter, auto-decompression starter, rheostat, control relay.

The circuitry for switching electrical appliances, such as a switch, the main electrical appliances and so on.
The circuit for detecting the coefficient of electrical appliances, such as transformer, sensor etc..

The for circuit protection appliance,cable supplier such as fuses, circuit breakers, arrester.
According to it in electric circuit's function division

　　1. control cl*** electric appliance: Including the contact device, the switch electric appliance, the control relay, order the electric appliance and so on. It is main the control in the electric circuit, the switching action.

　　2. protection cl*** electric appliance: Including fuse, thermal relay, current relay, undervoltage relay over-voltage relay and so on. It in electric circuit protective function.