Njem azụ na oge: mgbe na otú mbụ telivishọn

Site mbụ ugboro, ndị mmadụ rọrọ imeri anya dị anya. Ọchịchọ a na ha apụta na akụkọ ifo na akụkọ na-emeghị. E nwere ọtụtụ akụkọ anwansi enyo, elu ugwu dị larịị, na ndị ọzọ na kpokọtara akụkọ n'aka image nnyefe. Kama ka nrọ a na-eme eme nwere ike ọ bụghị otú ahụ ogologo oge gara aga - dị nnọọ ná mmalite nke narị afọ nke 20, na mgbe mbụ TV - ya anya dị ka ọrụ ebube. Modern TV a na-ama na-aghọta ka ihe onwe onye na-apụta ìhè, ọ dịghịkwa onye na-eche nke a mepụtara gbanwere ụwa.

TV: Olee otú ọ na niile malitere

Arụ mbụ usoro iwu na ihe nnyocha na isiokwu nke telivishọn malitere na mbubreyo narị afọ nke 19. Na 1880, ndị ọkà mmụta sayensị - American E. Sawyer na France Moris Leblan, awa n'ụkpụrụ bụ isi nke ọrụ telivishọn, ma ya finalization bụ German engineer aha ya bụ Paul Nipkow, onye mesịrị patented a technology. Ya ụkpụrụ ndị bụ isi ndị dị ka ndị:

foto nke ọ bụla mmewere ngwa ngwa iṅomi ma sequentially, akara site na akara na etiti site etiti-ebute site ná. The ngwaọrụ, Nipkow diski aha, dị ka a n'usoro n'usoro disk na a dayameta nke 50 cm, nke e tinyere oghere. Image ịgụ isiokwu rụrụ site ìhè doo, na ụdi nnyefe nke mgbaàmà rụrụ ke transmitter. The mbụ telivishọn na-onwem na a n'usoro n'usoro disk na oghere, nke na-emi odude n'azụ na Neon oriọna, ma Onyonyo usoro e rụrụ na agbara iji. Na nke a dị mfe usoro oyiyi e atumatu na ihuenyo. Ọ bụ nke mbụ na TV na ụwa, dabeere na imewe ụgha na-arụzi ụgbọala, ya mere nnyefe nke picture quality bụ ekwe omume. Na nke a, n'ibu telivishọn kere a dịtụ mkpirikpi oge.

Mgbe mbụ telivishọn cathode ray dabeere

Na 1888, ekele German physics Genrihu Gertsu, ụwa mụtara nke photoelectric mmetụta. Scientist hụrụ na ìhè na-emetụta ọkụ eletrik, ma ike ịkọwa n'ụzọ zuru ezu na igosipụta ọdịdị nke onu. Na naanị na 1905 na ọ bụ ike ime ka Albertu Eynshteynu. Na 1879, English ọkà mmụta sayensị Uilyam Kruks kere cathode-ray tube na meghere okwu - na phosphors egbukepụ egbukepụ mgbe ha na-enweta cathode ụzarị. Otú malitere oge nke cathode ray telivishọn, nke ga-emecha na-agbasa n'ụwa nile. Na 1936, bụ mgbe mbụ telivishọn na ngwá electronic, na American research laabu gawa RCA Russian ọkà mmụta sayensị Zworykin, n'ihi ya, a na-ewere na nchoputa nke oge a na telivishọn. Na 1939, RCA gosiri mbụ telivishọn ngwa maka uka mmepụta, mara dị ka RCS TT-5. Mgbe mbụ telivishọn, ọ bụ a nnukwu na arọ osisi igbe, onwem na naanị a 5-anụ ọhịa ihuenyo. Ụfọdụ oge malostrochnye (n'ibu) TV usoro coexisted na electronic, ma site na njedebe nke forties nke narị afọ nke 20 na ha kpam kpam dochie kọmputa ngwaọrụ.