thin cathode-ray tube

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• Cathode 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,… …   Wikipedia

• Cathode ray — Cathode rays (also called an electron beam or e beam) are streams of electrons observed in vacuum tubes, i.e. evacuated glass tubes that are equipped with at least two electrodes, a cathode (negative electrode) and an anode (positive electrode)… …   Wikipedia

• X-ray tube — An X ray tube is a vacuum tube that produces X rays. They are used in X ray machines. X rays are part of the electromagnetic spectrum, an ionizing radiation with wavelengths shorter than ultraviolet light. X ray tubes evolved from experimental… …   Wikipedia

• tube — [ tub ] noun count ** ▸ 1 object like a pipe ▸ 2 long narrow container ▸ 3 long thin part inside body ▸ 4 television ▸ 5 cathode ray tube ▸ 6 underground train ▸ + PHRASES 1. ) a long narrow object similar to a pipe that liquid or gas can move… …   Usage of the words and phrases in modern English

• tube — [[t]tju͟ːb, AM tu͟ːb[/t]] ♦♦♦ tubes 1) N COUNT A tube is a long hollow object that is usually round, like a pipe. He is fed by a tube that enters his nose. ...a cardboard tube. 2) N COUNT: oft N of n A tube of something such as paste is a long,… …   English dictionary

• tube */*/ — UK [tjuːb] / US [tub] noun Word forms tube : singular tube plural tubes 1) a) [countable] a long narrow object similar to a pipe that liquid or gas can move through Nurses had to feed Dan through a tube. b) an object shaped like part of a pipe a… …   English dictionary

• Tube — A long hollow cylinder. There are many tube like structures in the human body, such as the auditory tube (Eustachian tube) in the ear. * * * 1. A hollow cylindrical structure or canal. 2. A hollow cylinder or pipe. SYN: tuba [TA]. [L. tubus]… …   Medical dictionary

• tube — noun 1 long hollow pipe ADJECTIVE ▪ fine, narrow, thin ▪ hollow ▪ flexible ▪ closed, sealed …   Collocations dictionary

• Video 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… …   Wikipedia

• X-ray — [ 22 December 1895 and presented to Professor Ludwig Zehnder of the Physik Institut, University of Freiburg, on 1 January 1896. The dark oval on the third finger is a shadow produced by her ring. [cite book last = Kevles first =Bettyann Holtzmann …   Wikipedia

• Vacuum 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… …   Wikipedia