CRT-monitor: inkcazelo, izinto eziphambili sefowuni

CRT-nokutsha komphathi - isixhobo, olusekelwe phezu kumbhobho cathode ray. Le iteknoloji waphuhliswa ngo-1897 yi Scientist waseJamani F. Brown. Ekuqaleni kuba wadalwa isixhobo ezizodwa ezilungiselelwe umlinganiselo alternating current (oscilloscope).

CRT-esweni kunye noyilo yayo

Into esisiseko kule divaysi a kinescope. Siqulathe ityhubhu hermetically etywiniweyo iglasi umoya isusiwe apho (ngamanye amazwi, zidle ngaphakathi kuyo). Enye isiphelo ithumbu tyaba yaye ibanzi - na ikhusi, kwaye enye - elide kwaye emxinwa - oko intamo. Icala phambi ngaphakathi ityhubhu isale sisincoko phosphor (ngokusekelwe yttrium kunye erbium). Into elandelayo ke CRT-imonitha electron gun, ukusuka apho phantsi yintshukumo intsimi electrostatic oshiya ukuhamba elektroni, ngokwenjenjalo siyijongileyo ibonakala kwikhusi. amasuntswana nezakhiwo idlule a grille otyhidiweyo kwaye betha ngaphakathi glasi isale amachaphaza phosphor zemibala ezahlukileyo kwikhusi. inkqubo aphambuke Special inika hit engqinelanayo umqadi kwi endle screen. iinkqubo ukuphambukisa ibhola ezi ndidi mbini: isali toroidal. Le nkqubo iqulathe inductors, wazibeka entanyeni kinescope.

element Next ocacisa CRT-monitor, isakhelo ibloko kunye nomgca isixhobosovavanyo lwemifanekiso. Lendawo ngowona mthombo yengxolo kuluhlu frequency yokusebenza. Amandla obuselwe kwezi ndawo - enye yezona zinto zibe ekufuneka ziqwalaselwe xa uyile CRT monitor. Ilungu elilandelayo le modulator ubunzulu, leyo kunye nenkqubo nokukhawulezisa isebenza kumgaqo umahluko enokwenzeka. Ngenxa kwezi ndawo elektroni bafumana amandla, inxalenye yayo olichitha chweba le phosphor.

RGB-technology

Ngokuqhelekileyo umbala CRT-imonitha iqulethe imipu electron ezintathu, kwaye ezinombala - nye. Ezi abufani gun lokuqala imibala: oluhlaza, obomvu, kunye noblowu. ukuhlanganiswa yabo ukudala inani olungenasiphelo abantu abangasekhoyo kunye nemibala. Ukulawula CRT efunekayo elektroniki ulawulo, nto leyo ebonisa umgangatho esweni. Ukuba umahluko elektroniki, eziveliswa abavelisi ezahlukahlukeneyo, na umbandela ekuboneni umahluko phakathi CRT-liso, nangona ityhubhu cathode ray kubo iyafana. Ngenxa yoko, umpu nganye, ikhala nomsinga nezichaphazela ingongoma ezahlukeneyo phosphor umbala. Electron msebe umbala omnye kufuneka kuchaphazela kuphela iziqalelo umbala omnye. Ukuze sifikelele kanye le umqadi isenzo usebenzisa isigqumathelo okhethekileyo, ubume elandelwayo exhomekeke uhlobo lomfanekiso ityhubhu.

Ukulungiswa CRT-liso

Le ezizuzwa basic CRT-divayisi unikezelo lwamandla ukungasebenzi. Kaninzi oku kungenxa yokwanda ngamandla. Ukuba uyasilela umbane, ngoko ke, kungenzeka ukuba kwenzeke kwaye umonakalo ehamba nezinye iimodyuli, umzekelo, kophulwa umthetho umbala, umfanekiso uhlaba. Ngaphezulu kwama, ebangela ukungaphumeleli-liso basoloko zoomatshini yonakele (kuqhankqalazo) ifuthe imithombo radiation magnetic, uthuli monitor nobushushu, ukuguga iiseli. iqondo lobushushu ukungathobeli kunokukhokelela ukusilela lebhodi processing isignali yevidiyo kunye nenkqubo umfanekiso. Ukuhlukunyezwa oxwesileyo ukusebenza ukuskena kungenxa kuphazamiseke iisekethe ombane aphezulu kunye TDKS. Esinye sezizathu nesenzeko ekhankanywe umi uthuli.