electronic siren

См. также в других словарях:

• siren — [sī′rən] n. [ME syrene < OFr < LL Sirena, for L Siren < Gr Seirēn < ? seira, cord, rope (hence, orig. ? one who snares, entangles) < IE base * twer , to grasp] 1. Gr. & Rom. Myth. any of several sea nymphs, represented as part bird …   English World dictionary

• Siren (noisemaker) — A siren is a loud noise maker. The original version would yield sounds under water [Adolphe Ganot (translator: Edmund Atkinson), Elementary Treatise on Physics: Experimental and Applied , 8th ed. (N.Y., N.Y.: Wm. Wood and Co., 1877), pages 188… …   Wikipedia

• siren — 1. noun a) (original sense) One of a group of nymphs who lured mariners to their death on the rocks. b) A device, either mechanical or electronic, that makes a piercingly loud sound as an alarm or signal. 2 …   Wiktionary

• Civil defense siren — Federal Signal Thunderbolt 1003 Civil Defense siren. A civil defense siren (also referred to as an air raid siren, tornado siren, tsunami siren, fire siren/whistle, flood siren, weather siren, time/curfew siren, or other outdoor warning siren) is …   Wikipedia

• Thunderbolt siren — The Thunderbolt siren is a discontinued electro mechanical warning siren that was once manufactured in the United States by Federal Signal Corporation. The Thunderbolt siren consists of three motors. The blower motor is housed inside a large… …   Wikipedia

• Q2B — The Q2B siren is an electromechanical siren that has one of the most noticeable sounds in the world. The Q2B or Q siren is famous for its sound, which is trademarked, and the look of the siren. It is produced by the Federal Signal Corporation.… …   Wikipedia

• Emergency vehicle equipment — is the equipment fitted to, or carried by, an emergency vehicle, which is additional to any equipment such as headlights, steering wheels or windshield/windscreens that a standard non emergency vehicle is fitted with.Visual warning… …   Wikipedia

• Burglar alarm — Silent alarm redirects here. For the album, see Silent Alarm (album). Burglar (or intrusion), fire and safety alarms are all electronic today. Sensors are connected to a control unit via a low voltage hardwire or narrowband RF signal which is… …   Wikipedia

• Air horn — The air horn is a device designed to create an extremely loud noise. It is usually composed of a pressurized air source coupled to a horn through a valve which allows the device to be turned on and off. Air horns have been installed on large semi …   Wikipedia

• Millwood, New York — Millwood is a hamlet located in the town of New Castle, New York in Westchester County. It was originally settled as Sarlesville. The area now known as Millwood appears on 19th century maps as Merritt s Corners (now the intersection of Rtes. 100… …   Wikipedia

• Mechanically powered flashlight — A mechanically powered flashlight is one of several varieties of flashlight that are powered by electricity generated by the muscle power of the user, so they do not need replacement of batteries, or recharging from an electrical source. The… …   Wikipedia