Opto-isolator — This article is about the electronic component. For the optical component, see optical isolator. Schematic diagram of an opto isolator showing source of light (LED) on the left, dielectric barrier in the center, and sensor (phototransistor) on… … Wikipedia
Distribution board — A fairly standard American circuit breaker panel manufactured by General Electric and using interchangeable circuit breakers A distribution board (or panelboard) is a component of an electricity supply system which divides an electrical power… … Wikipedia
Scramjet — Part of a series on Aircraft propulsion Shaft engines (to drive pr … Wikipedia
Diving cylinder — Diving cylinders to be filled at a diving air compressor station … Wikipedia
Louise M. Davies Symphony Hall — Louise M. Davies Symphony Hall, the concert hall component of the San Francisco War Memorial and Performing Arts Center, was built in 1980 at a cost of US$28 million to give the San Francisco Symphony a permanent home. The hall has a seating… … Wikipedia
Signal conditioning — In electronics, signal conditioning means manipulating an analogue signal in such a way that it meets the requirements of the next stage for further processing. For example, the output of an electronic temperature sensor, which is probably in the … Wikipedia
Wankel engine — The Wankel engine is a type of internal combustion engine which uses a rotary design to convert pressure into a rotating motion instead of using reciprocating pistons. Its four stroke cycle is generally generated in a space between the inside of… … Wikipedia
Video camera tube — In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge coupled device (CCD) for converting an optical image into an electrical signal. Several types were in use from the 1930s to the… … Wikipedia
History of literature — The history of literature is the historical development of writings in prose or poetry which attempt to provide entertainment, enlightenment, or instruction to the reader/hearer/observer, as well as the development of the literary techniques used … Wikipedia
Electricity Supply Board — Infobox Company company name = Electricity Supply Board company company type = Statutory Corporation foundation = Dublin, Ireland (1927) location = Dublin, Ireland key people = Padraig McManus, CEO Lochlann Quinn Chairman num employees = 7000… … Wikipedia
Quantum cryptography — Quantum cryptography, or quantum key distribution (QKD), uses quantum mechanics to guarantee secure communication. It enables two parties to produce a shared random bit string known only to them, which can be used as a key to encrypt and decrypt… … Wikipedia