photoelectric receiver

См. также в других словарях:

• Photoelectric sensor — A photoelectric sensor, or photoeye, is a device used to detect the presence of an object by using a light transmitter, often infrared, and a photoelectric receiver. They are used extensively in industrial manufacturing.There are three different… …   Wikipedia

• Photoelectric effect — The photoelectric effect is a quantum electronic phenomenon in which electrons are emitted from matter after the absorption of energy from electromagnetic radiation such as x rays or visible light.cite book | title = Physics for Scientists… …   Wikipedia

• WRNY (defunct) — WRNY was an AM radio station that operated in New York City from 1925 to 1934. It was started by Hugo Gernsback s Experimenter Publishing Company to promote his radio and science magazines. It was the first station to have regularly scheduled… …   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

• electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium

• device — Synonyms and related words: AM receiver, AM tuner, AM FM receiver, AM FM tuner, CB, Charlie McCarthy, Fathometer, Flexowriter typewriter, Geiger counter, John Hancock, RDF, X, X ray microscope, ability, achievement, action, ad hoc measure, agency …   Moby Thesaurus

• Solar energy — is the light and radiant heat from the Sun that powers Earth s climate and weather and sustains life. Since ancient times it has been harnessed for human use through a range of technologies. Solar radiation along with secondary solar resources… …   Wikipedia

• Color television — Title card for NBC, promoting their broadcast in RCA color . Color television is part of the history of television, the technology of television and practices associated with television s transmission of moving images in color video. In its most… …   Wikipedia

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• Heinrich Hertz — Infobox Scientist name = Heinrich Rudolf Hertz image width = 230px birth date = birth date|1857|2|22|mf=y birth place = Hamburg, Germany residence = Germany nationality = German death date = death date and age|1894|1|1|1857|2|22|mf=y death place …   Wikipedia

• Vladimir K. Zworykin — Infobox Engineer name = Vladimir Kozmich Zworykin image size = caption = Vladimir Zworykin, 1929, holding his kinescope birth name = birth date = birth date|1889|7|30 birth place = Murom, Russian Empire death date = death date and… …   Wikipedia