Socda dib ugu time: sida iyo goorta television ugu horeysay

From jeer horrayn, qof ayaa ku riyoon jiray gudbo eegno masaafo weyn. rabitaan Tani waxay u muuqataa in sheekooyinka iyo halyeeyadoodii hore. Waxaa jira sheekooyin badan oo ka mid ah muraayadaha sixir, plateaus, iyo siyaabo kale oo cirfiid sixir la isugu gudbiyo image. Laakiin si ay u sameeyaan riyadan dhab ah aan sidaa u dheer ka hor kari - kaliya ee bilowgii qarnigii 20aad, oo markii ugu horeysay TV - waa u ekaa mucjiso ah. TV Modern waxaa hore u arko wax is-cad, oo ninna ma u maleeyo of been abuurtay this dunida bedelay.

TV: Sidee dhan bilaabay

Hirgalinta cilmi ugu horeeyay ee af iyo qoraal ah oo ku saabsan mawduuca of telefishanka bilaabay qarnigii 19aad. In 1880, saynisyahano - American E. Sawyer iyo France Moris Leblan, bixiyeen mabda'a aasaasiga ah ee hawlgalka television, laakiin ay dhammaystirka waa injineer Jarmalka magacaabay Paul Nipkow, oo markii danbe xiranayo technology this. Its mabaadiida aasaasiga ah waa sida soo socota:

element sawir kasta si dhakhso ah iskaan iyo sequentially, line by line iyo jir by jir lagu kala qaado. qalabka, Nipkow horyaalka disc, ekaa disk ah qoqobada ballaciisu yahay ee 50 cm, taas oo ahayd godad saaray. iskaanka Image sameeyaa by dogobka iftiinka, iyo gudbinta ku xiga ee signalka sameeyaa gudbiye ah. television hore waxaa sidoo kale ku qalabaysan disk ah qoqobada rito, kaasoo ku yaala dambeeya laambad iyakana ah, laakiin habka imaging la fuliyey si cagsi ah. Iyada oo ay taasi nidaamka image fudud ayaa la saadaaliyey shaashadda. Waxa ay ahayd TV ugu horeysay ee adduunka, oo ku salaysan design Farsamoyaqaan jiifa, oo sidaas daraaddeed gudbinta tayada sawirka aan suurto gal ahayd. Marka tan la eego, ka telefishannada farsamo socday muddo gaaban.

Marka cathode ugu horeysay television ray-ku saleysan

In 1888, in jirka Jarmalka mahad Genrihu Gertsu, dunida bartay saamaynta photoelectric. Saynisyahanka helay nuur saameeyaa korontada, laakiin si buuxda uma sharixi kartaa ama siidayn nooca ugub ah. Oo kaliya ee 1905 ay suurto gal ahayd in la sameeyo Albertu Eynshteynu. In 1879, saynisyahan Ingiriisi Uilyam Kruks abuuray tube cathode-ray iyo arrinta furay - phosphors ku shido oo marka ay soo if-rays cathode ah. Sayidka bilaabay Zaman ee telefishannada ray cathode, kaas oo ugu danbeyn kala bixin doonaa dunida oo dhan. In 1936, markii TV-ga ugu horeysay ee qalabka elektarooniga ah, shaybaarka cilmi-American madax saynisyahan Ruush RCA Zworykin, si loo arko aasaasihii TV-ga casriga ah. In 1939, RCA soo bandhigay qalab ugu horeysay television wax soo saarka mass, oo loo yaqaan RCS TT-5. Marka television ugu horeeyay, waxa uu ahaa sanduuq weyn oo culus alwaax, qalabaysan oo kaliya screen 5-inch ah. malostrochnye waqti (makaanikada) nidaamka TV Qaar ka mid ah coexisted la elektaroonik ah, laakiin dhamaadka ah afartameeyaha qarnigii 20aad waxay si buuxda u bedelay qalabka elektarooniga ah.