well tube screen
1Tube well — A Tube well as the name implies is simply a tube or pipe bored into the underground reservoir, fitted with a strainer at the lower end and worked at the top by a pump, to lift water for irrigation.A Tube well is type of water well in which a long …
2Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …
3Cathode ray tube — Cutaway rendering of a color CRT: 1. Three Electron guns (for red, green, and blue phosphor dots) 2. Electron beams 3. Focusing coils 4. Deflection coils 5. Anode connection 6. Mask for separating beams for red,… …
4Video camera tube — In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge coupled device (CCD) for converting an optical image into an electrical signal. Several types were in use from the 1930s to the… …
5Williams tube — The Williams tube or the Williams Kilburn tube (after inventors Freddie Williams and Tom Kilburn), developed about 1946 or 1947, was a cathode ray tube used to electronically store binary data.Working principleThe Williams tube depends on an… …
6Large-screen television technology — developed rapidly in the late 1990s and 2000s. Various flat screen technologies are being developed, but only the liquid crystal display (LCD), plasma display (PDP) and Digital Light Processing (DLP) were released on the public market. These… …
7Storage tube — Mostly obsolete, a storage tube is a special monochromatic CRT whose screen has a kind of memory (hence the name): when a portion of the screen is illuminated by the CRT s electron gun, it stays lit until a screen erase command is given. Thus,… …
8electron tube — an electronic device that consists, typically, of a sealed glass bulb containing two or more electrodes: used to generate, amplify, and rectify electric oscillations and alternating currents. Also called electronic tube. Cf. gas tube, vacuum tube …
9cathode ray tube — UK US noun [countable] [singular cathode ray tube plural cathode ray tubes] physics a piece of equipment in televisions and some computers that creates the image on the screen. A beam of high energy …
10Nixie tube — The ten digits of a GN 4 Nixie tube. A nixie tube is an electronic device for displaying numerals or other information. The glass tube contains a wire mesh anode and multiple cathodes. In most tubes, the cathodes are shaped like numerals.… …
