Ke Cathode Ray Tube seo

Mohlomong ho na le ha ho na motho ea joalo ea neng a tla ba bophelo ba hae ba tobane le maqheka, moralo oa e akarelletsang cathode ray, tube, (kapa CRT). Joale ditharollo tšoanang ba ka mafolofolo ho nkeloa sebaka ke counterparts bona ho feta mehleng ea kajeno e thehiloeng bontšana mokelikeli kristale (LCD). Leha ho le joalo, ho na le a 'maloa a libakeng tse ka ho eona cathode ray, tube, e ntse e le ba bohlokoa haholo. Ka mohlala, ka e phahameng-sebetsa ka ho nepahetseng oscilloscopes LCD ke ke sebediswa. Leha ho le joalo, ntho e 'ngoe e hlakile - tsoelo-pele lesedi bontshiweng sesebelisoa tla qetella lebisa palo yohle hlōleha ha CRT ena. Ke feela taba ea nako.

Cathode ray, tube,: nalane ya ketsahalo

The sibolotseng ka 'na ba nka Yu Plucker, eo ka selemo 1859 ho, ho ithuta boitšoaro ba tšepe le litla tse fapa-fapaneng ka ntle, lipono tse makatsang e sibolla mahlaseli (mohlapo) ea likaroloana tsa motheo - dieleketerone. Thehoa phatsa libalaka li ne li bitsoa mahlaseli cathode. O ile a boela ile a bua ka ponahalo ea bonahalang mohlapo oa dintho tse itseng (phosphor) kopana le libalaka tsena elektrone. Morao-rao CRT khonang ho bōpa setšoantšo e loketseng ho tse sibolotsoeng tsena tse peli.

Ka mor'a lilemo tse 20, e 'nile ea fumanoa empirically hore tshisinyo tataiso ea dieleketerone ntša ka laoloa ke ho tšimo Link a khoheli a. Ena e habonolo ile a hlalosa hore na re lokela ho hopola hore ka ntho e mpe qoso bajari tšoauoa ka ho fallela masimong a khoheli le motlakase.

Ka 1895 ho, Karl F. Braun hloekisitsoeng taolo ya ka lethopo le, 'me kahoo o ile a khona ho fetola vector ea phatsa phallo tataiso ha se feela tšimo ea tsamaiso ea, empa e boetse e le seipone khethehileng hore ka rotated, e butse menyetla ea e ncha ka ho feletseng bakeng sa tshebediso ya ho qaptjoa le. Ka 1903 godu Venelt beha ka hare ho eleketrode tube, cathode ka mokgwa wa silindara sa, ho etsa hore ho be bonolo ho laola matla a ts'ebetsong ntša.

Ka 1905, Einstein rerileng ho abel bakeng bala phello gonorrheal, 'me ka mor'a lilemo tse 6 e' nile ea bontša mathang setšoantšo phetiso sesebediswa hōjana. Toloki ile laoloa ke matla a khoheli, le tefo capacitor ya boleng khanya.

Nakong ea ho qala ea tlhahiso ea dikai pele ea indasteri CRT e ne e se e loketse ho bopa e hlahang lifiliming le kholoanyane diagonale, kahoo tlotlisa lilense sebelisoa e le ka sekisetsa ka.

Sethusathuto cathode ray, tube,

Ho tloha ka sesebediswa e se e fetotsoe, empa liphetoho tseo ke ho iphetola ha lintho tsa tlhaho, e le ha ho letho ho feletseng e ncha ka tsela ea mosebetsi di a phaella ka.

Khalase 'mele e qala ka conical tube, katoloso eaba ba etsa skrine. The le disebediswa tse 'mala setšoantšo, holim hare e tlotsitsoeng ka mohato itseng mefuta e meraro ea phosphors (Red, Green, Blue), ho fana ka luminescence mmala ka elektrone toloki kena. Ka lebaka leo, ho na le tse tharo cathode (lithunya). E le hore a setlama-tsoa ho dieleketerone defocus le fana ka li lakalitseng toloki jwale kena ntlha lakatsa ho skrine pakeng tsa cathode le phosphor lera oona tsamaisong lokisetsa mekoallo tšepe - maske. E ka bapisoa le stensele e, khaola tsohle tse sa hlokahaleng.

Ka holim 'a halefile cathode elektrone mohlapo qala. Ba potlakela ho elella anode (eleketrode le qoso positive,), e amana le karolo conical tsa tube, le. Ho ekelletsa moo, libalaka amehile kela khethehileng le oela tšimong ea tsamaiso ea kheloha. Ea fetang ka grate ho oa ka ntlha batlang skrineng, a etsa hore ho sokoloha ha lona eneji, le kinetic ho le kenya leseling.

lik'homphieutha

Basekaseki le cathode-ray tube, ba ho pharaletseng sebelisoa ka tsamaiso ea k'homphieutha. Tsela e bonolo le ea li entseng, e phahameng tšepahala, 'mala e nepahetseng,' me ha ho na ho lieha (e tšoanang millisecond ka karabelo popeho LCD) - sena ke Molemo bona tse khōlō. Morao tjena, Leha ho le joalo, e le ho se ho boletsoe, ho CRT e mahae ho feta litšenyehelo le ergonomic LCD basekaseki.