flare of a horn

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• Horn antenna — Pyramidal microwave horn antenna, with a bandwidth of 0.8 to 18 GHz. A coaxial cable feedline attaches to the connector visible at top. This type is called a ridged horn; the curving fins visible inside the mouth of the horn increase the antenna… …   Wikipedia

• Horn speaker — A horn speaker is a loudspeaker which uses a horn to increase the overall efficiency of the driving element, typically a diaphragm driven by an electromagnet. The horn itself is a passive component and does not amplify the sound from the driving… …   Wikipedia

• Horn (acoustic) — A horn is a tapered sound guide designed to provide an acoustic impedance match between a sound source and free air. This has the effect of maximising the efficiency with which sound waves from the particular source are transferred to the air.… …   Wikipedia

• flare — i. A maneuver carried out just before touchdown to reduce the rate of descent, so that the aircraft settles on the runway smoothly and with the least amount of vertical speed. Normally referred to as flare out. ii. A magnesium candle supported by …   Aviation dictionary

• horn — i. An antenna shaped like a horn. Radar waves are radiated directly into space without benefit of a reflector. A horn is usually designed as an extension of a waveguide whose sides flare from the original waveguide size to a larger aperture size …   Aviation dictionary

• coach horn — noun : a long straight tapering copper horn with slight flare compare post horn …   Useful english dictionary

• Vienna horn — The Vienna horn ( de. Wiener Horn) is a type of horn used primarily in Vienna, Austria. It is used throughout Vienna, including the Vienna Philharmonic and Wiener Staatsoper .History and descriptionDuring the nineteenth century, a number of… …   Wikipedia

• bell — bell1 [bel] n. [ME & OE belle < IE base * bhel , to sound, roar (orig. ? echoic) > BELLOW, ON belja, to roar] 1. a hollow object, usually cuplike, made of metal or other hard material which rings when struck, as by a clapper inside 2. such… …   English World dictionary

• firecracker — Synonyms and related words: Klaxon, Roman candle, boiler factory, boiler room, bomb, bull roarer, cap, catcall, cherry bomb, clack, clacker, clapper, cracker, cricket, flare, flowerpot, girandole, horn, ladyfinger, noisemaker, pinwheel, rattle,… …   Moby Thesaurus

• List of problems solved by MacGyver — This is a list of problems that have been solved by the fictional character MacGyver from the television series of the same name. (This list is not yet comprehensive.) MacGyver employs his resourcefulness and his knowledge of chemistry,… …   Wikipedia

• Tweeter — A tweeter is a loudspeaker designed to produce high frequencies, typically from around 2,000 hertz to 20,000 hertz (20,000 Hz, generally considered to be the upper limit of the human hearing). A few tweeters can manage response up to an octave or …   Wikipedia