electron-tube heater

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• heater — [hēt′ər] n. 1. an apparatus for heating or warming a room, car, water, etc.; stove, furnace, radiator, etc. 2. a person whose work is to heat something 3. in an electron tube, an element set inside the cathode and heated by an electric current so …   English World dictionary

• Heater (disambiguation) — Heater is an object that emits heat.Heater may also refer to:In electronics: * Filament in a vacuum tube that heats the cathode to aid in thermionic emission of electronsIn music: * Heater (Muttonbirds song), a song by Muttonbirds * Heater (Samim …   Wikipedia

• Tube socket — Left to right: octal (top and bottom view), loctal, and miniature (top and side view) sockets. An early transistor socket and an IC socket are included for comparison. Tube sockets are electrical sockets into which vacuum tubes (also known as… …   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

• electric heater —       device for heating rooms that converts electric current to heat by means of resistors (resistor) that emit radiant energy. Resistors may be composed of metal alloy wire, nonmetallic carbon compounds, or printed circuits. Heating elements… …   Universalium

• Mullard-Philips tube designation — In Europe, the principal method of numbering vacuum tubes (or thermionic valves , as they are referred to in Europe and Australia, etc.) was the nomenclature developed and used by Mullard in the UK and applied Europe wide thanks to their… …   Wikipedia

• Cathode heater — A cathode heater is a filament used to heat the cathode in a vacuum tube or cathode ray tube. Before transistors and integrated circuits came into widespread use, electronic devices used vacuum tubes. The cathode element had to achieve the… …   Wikipedia

• Voltage regulator tube — A voltage regulator tube (VR tube) is an electronic component used as a shunt regulator to hold a voltage constant at a pre determined level.Physically, these devices resemble vacuum tubes, but there are two main differences: * Their glass… …   Wikipedia

• diode — /duy ohd/, n. Electronics. a device, as a two element electron tube or a semiconductor, through which current can pass freely in only one direction. [1919; DI 1 + ODE2] * * * Electronic device that has two electrodes (anode and cathode) and that… …   Universalium

• Anode — An anode is an electrode through which electric current flows into a polarized electrical device. Mnemonic: ACID (Anode Current Into Device). Electrons flow in the opposite direction to the positive electric current.A widespread misconception is… …   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