orthicon
1orthicon — [ɔʀtikɔ̃] n. m. ÉTYM. 1952; abrév. de orthiconoscope, de orth , et iconoscope. ❖ ♦ Techn. (télév.). Iconoscope dans lequel les électrons sont accélérés et dirigés de manière à frapper l écran sous un angle droit. Adj. || « L image orthicon »… …
2orthicon — ☆ orthicon [ôr′thi kän΄ə skōp΄ôr′thi kän΄ ] n. [ ORTHO + ICON(OSCOPE)] a television camera tube, an improved form of the iconoscope, in which the charges on a photosensitive plate are scanned by a low velocity electron beam which is reflected and …
3orthicon — ortikonas statusas T sritis radioelektronika atitikmenys: angl. orthicon vok. Orthikon, n rus. ортикон, m pranc. orthicon, m …
4orthicon — /ˈɔθəkɒn/ (say awthuhkon) noun an early form of television, in which the image is focused on a target cathode which then emits electrons which are collected by the anode, thus establishing a charge pattern. Also, image orthicon. {orth(o) +… …
5orthicon — noun a now obsolete picture pickup tube in a television camera; electrons emitted from a photoemissive surface in proportion to the intensity of the incident light are focused onto the target causing secondary emission of electrons (Freq. 1) •… …
6orthicon — noun Etymology: International Scientific Vocabulary orth + iconoscope Date: 1939 a camera tube similar to but more sensitive than an iconoscope in which the charges are scanned by a low velocity beam …
7orthicon — /awr thi kon /, n. Television. a camera tube, more sensitive than the iconoscope, in which a beam of low velocity electrons scans a photoemissive mosaic. Also, orthiconoscope /awr thi kon euh skohp /. [1935 40; ORTH + ICON(OSCOPE)] * * * …
8orthicon — noun TV camera tube …
9orthicon — or·thi·con …
10orthicon — or•thi•con [[t]ˈɔr θɪˌkɒn[/t]] also or•thi•con•o•scope [[t]ˌɔr θɪˈkɒn əˌskoʊp[/t]] n. rtv a television camera tube in which a beam of low velocity electrons scans a photoemissive mosaic • Etymology: 1935–40 …
