Txhawm rau xaiv, koj yuav tsum xaiv qhov uas haum rau koj. Tsis ib txwm kim - zoo, koj tuaj yeem yuav lub webcam zoo thiab ua haujlwm ntau rau cov tau txais nyiaj tsawg.
Thawj qhov uas them sai sai rau yog hom lub hom:
- CMOS lossis nws tseem hu ua qauv hlau-oxide-semiconductor ntxiv. Nws yog qhov pheej yig thiab distorts cov duab hauv cov lus tsa suab ntau.
- CCD lossis Kev Them Nyiaj Raug Ntaus. Cov duab zoo tshaj plaws thiab tsis muaj kev sib txuam.
Tom ntej no mus saib kom paub yog pixels. Cov pixels ntau dua, zoo dua daim duab zoo nkauj thiab ntau yam qhia. Nws ua rau tsis muaj kev txiav txim siab coj lub koob yees duab tsawg dua 3-4 megapixels. Tom qab ntawd koj yuav tsum tau them sai sai rau lub hauv paus ntawm kev nthuav dav, yog tias nws yog me, tom qab ntawd cov duab yuav yog qhov me me.
Hom tsom xam yog tsau - qhov tseem ceeb tsis hloov, tsis siv neeg - lub koob yees duab xaiv cov chaw teeb tsa nws tus kheej thiab phau ntawv - koj yuav tsum hloov lub teeb ntawm lub koob yees duab los ntawm txhais tes. Tseem muaj lub koob yees duab ua haujlwm ntxiv. Cov neeg nyiam tshaj plaws yog nrog kev hloov pauv, yog tias koj tig mus deb lossis txav mus me ntsis, lub koob yees duab kuj yuav tig mus rau sab. Coob tus nyob hauv hostels thiab tsis xav siv tus kheej webcam, koj tuaj yeem xaiv nrog tus lej zais.
Muaj cov webcams: desktop thiab nrog lub fixture. Nws yog qhov yooj yim dua yuav nrog lub clamp, vim hais tias lub desktop ib qho tuaj yeem tau txais txoj hauv kev, thiab lub desktop sawv daws kuj tseem muaj cov khob tsis haum, uas yog vim li cas nws tsis zoo. Tom qab txheeb xyuas tag nrho cov kev qhia tshwj xeeb thiab txiav txim siab hauv lub webcam, koj tuaj yeem mus ncig yuav khoom lossis xaj online.
