tube filament heating

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• Heating — may refer to: *HVAC: Heating, ventilation and air conditioningHeating devices, or systems: *Block heater, or headbolt heater, an electric heater that heats the engine of a car to ease starting in cold weather *Boiler *Cathode heater, a coil or… …   Wikipedia

• filament — filamented, adj. /fil euh meuhnt/, n. 1. a very fine thread or threadlike structure; a fiber or fibril: filaments of gold. 2. a single fibril of natural or synthetic textile fiber, of indefinite length, sometimes several miles long. 3. a long… …   Universalium

• filament — fil•a•ment [[t]ˈfɪl ə mənt[/t]] n. 1) a very fine thread or threadlike structure; a fiber or fibril: filaments of gold[/ex] 2) bot the stalklike portion of a stamen, supporting the anther 3) elm (in an incandescent lamp) the threadlike conductor …   From formal English to slang

• filament — fil·a·ment || fɪlÉ™mÉ™nt n. fiber, thin threadlike object; thin wire; thin conductor which heats up and emits light in response to an electrical current (in an incandescent light bulb); heating element of a vacuum tube …   English contemporary dictionary

• 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

• Gas-filled tube — See also: Gas discharge lamp A gas filled tube, also known as a discharge tube, is an arrangement of electrodes in a gas within an insulating, temperature resistant envelope. Although the envelope is typically glass, power tubes often use… …   Wikipedia

• Hot filament ionization gauge — Infobox Laboratory equipment name = Hot filament ionization gauge caption = Bayard Alpert hot thoriated iridium filament ionization gauge on 2.75 in conflat flange acronym = other names = Hot cathode gauge Bayard Alpert gauge uses = Pressure… …   Wikipedia

• Incandescent light bulb — The incandescent light bulb, incandescent lamp or incandescent light globe is a source of electric light that works by incandescence, (a general term for heat driven light emissions which includes the simple case of black body radiation). An… …   Wikipedia

• Neon sign — …   Wikipedia

• A battery — noun the battery used to heat the filaments of a vacuum tube • Hypernyms: ↑battery, ↑electric battery * * * ˈāˌ noun Usage: usually capitalized A : a battery used to heat the filaments or cathode heaters of electron tubes called also filament… …   Useful english dictionary

• building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …   Universalium