impact attenuator

См. также в других словарях:

• Impact attenuator — An impact attenuator, also known as a crash cushion or crash attenuator or cowboy cushions, is a device intended to reduce the damage done to structures, vehicles, and motorists resulting from a motor vehicle collision. Impact attenuators are… …   Wikipedia

• Attenuator — An attenuator could mean: * Attenuator (electronics), an electronic device that reduces the amplitude of a signal * Attenuator (genetics), a specific regulatory sequence transcribed into RNA * Impact attenuator, used on highways as a crumple zone …   Wikipedia

• Crumple zone — A crash test illustrates how a crumple zone absorbs energy from an impact …   Wikipedia

• Cable barrier — Cable barrier, sometimes referred to as guard cable, is a type of roadside or median barrier. It consists of steel wire ropes mounted on weak posts. As is the case with any roadside barrier, its primary purpose is to prevent a vehicle from… …   Wikipedia

• Crash barrier — A crash barrier is a barrier on a road designed to prevent vehicles from leaving the roadway to improve road safety. Common sites for crash barriers are: * median separators on multi lane highways * bridge supports * mountain roadsThe design of… …   Wikipedia

• John Fitch (pilote) — Pour les articles homonymes, voir John Fitch. John Fitch Pas d image ? Importez une image. Années d activité 1953 1955 Date de naissance 4 août 1917 Lieu de …   Wikipédia en Français

• PIN diode — Layers of a PIN diode A PIN diode is a diode with a wide, lightly doped near intrinsic semiconductor region between a p type semiconductor and an n type semiconductor region. The p type and n type regions are typically heavily doped because they… …   Wikipedia

• Oscilloscope — This article is about current oscilloscopes, providing general information. For history of oscilloscopes, see Oscilloscope history. For detailed information about various types of oscilloscopes, see Oscilloscope types. Illustration showing the… …   Wikipedia

• Oscilloscope types — This is a subdivision of the Oscilloscope article, discussing the various types and models of oscilloscopes in greater detail. Contents 1 Cathode ray oscilloscope (CRO) 1.1 Dual beam oscilloscope 2 Analog storage oscilloscope …   Wikipedia

• Synthesizer — For other uses, see Synthesizer (disambiguation). Synth redirects here. For other uses, see Synth (disambiguation). See also: Software synthesizer Early Minimoog by R.A. Moog Inc. (ca. 1970) A synthesizer (often abbreviated synth ) is an… …   Wikipedia

• Speed limit — For a discussion of the maximum speed possible in the universe, see speed of light and special relativity. A road speed limit is the maximum speed allowed by law for road vehicles. Speed limits are commonly set and enforced by the legislative… …   Wikipedia