Wannan takarda ta gabatar da bambanci tsakanin Module Rubutun Kamara da kuma Module na Zuƙowa na Kamara.

Makullin wani sashe ne na kyamarar da ake amfani da ita don sarrafa tsawon lokacin bayyanarwa, kuma muhimmin sashi ne na kamara.

Mafi girman kewayon lokacin rufewa, mafi kyau. Wani ɗan gajeren lokacin rufewa ya dace don harbi abubuwa masu motsi, kuma dogon lokacin rufewa ya dace da harbi lokacin da hasken bai isa ba. Lokacin bayyanar gama gari na kyamarar CCTV shine 1/1 ~ 1/30000 seconds, wanda zai iya biyan duk buƙatun harbin yanayi.

Hakanan an raba shutter zuwa na'urar rufewa da na'urar rufewa.

Ana amfani da shutter na lantarki a cikin kyamarori na CCTV. Ana aiwatar da rufewar lantarki ta hanyar saita lokacin bayyanar CMOS. Dangane da nau'ikan masu rufe lantarki, muna raba CMOS zuwa Global Shutter CMOS da Rolling Shutter CMOS (Progressive Scan CMOS). To, menene bambanci tsakanin waɗannan hanyoyi biyu?

Firikwensin Rolling Shutter CMOS yana ɗaukar yanayin faɗuwar sikanin ci gaba. A farkon bayyanarwa, firikwensin yana duba layi ta layi don fallasa har sai an fallasa duk pixels. An kammala dukkan motsi cikin kankanin lokaci.

An gane Global Shutter ta hanyar fallasa duk abin da ya faru a lokaci guda. Duk pixels na firikwensin suna tattara haske kuma suna buɗewa a lokaci guda. A farkon bayyanarwa, firikwensin ya fara tattara haske. A ƙarshen fallasa, firikwensin yana karantawa azaman hoto.

Lokacin da abu ke motsawa da sauri, abin da na'urar rufewa ta rubuta ya saba da abin da idanunmu na ɗan adam ke gani.

Don haka, lokacin yin harbi da sauri, yawanci muna amfani da Kyamara Sensor na Duniya na CMOS don guje wa nakasar hoto.

Lokacin harbi wani abu mai motsi, hoton ba zai juya ya karkata ba. Don wuraren da ba a harbe su da sauri ba ko kuma ba su da buƙatu na musamman don hotuna, muna amfani da kyamarar Rolling Shutter CMOS, saboda wahalar fasaha ta yi ƙasa da na CMOS fallasa ta duniya, farashin yana da arha, kuma ƙuduri ya fi girma.

Tuntuɓi sales@viewsheen.com don keɓance ƙirar kyamarar rufewa ta duniya.