Kuyini DPI igundane? Kanjani kuthinta umsebenzi?

Amagundane lokuqala yavela eminyakeni engaphezu 50 edlule. Kwakumelwe ke opto-mechanical: isikhundla sabo esikrinini wayezimisele ngesifundo ibhola futhi ezinamasondo ezimbili. ezandleni Zazinjalo ngempela ungakhululekile, kwadingeka ukunemba kancane, futhi zazivame. With ukuthuthukiswa ubuchwepheshe ngelinye igundane yabo optical. yokusebenza yabo isimiso kusekelwe amaningi bethwebula kwamanzi futhi ngokuqhathanisa idatha etholwe. Ngokusho imiphumela ukuqhathanisa kunqunywa isiqondiso nesivinini ukunyakaza. amagundane Optical abe Umbala isici obomvu, esisetshenziselwa ngcono ukusebenza element inzwa. Omunye ukushintshashintsha manipulator optical kuyinto inzwa infrared. It has a ukuhluka ubuchwepheshe, isivinini kanye nokunemba isikhombisi. Kuze kube manje, igundane optical kumane eqolo ngokuziqhathanisa "okhokho" izici.

Umngcele we ubonisa ukunemba manipulator kanye ijubane lokuya kwaso esikrinini libizwa DPI igundane. Ibonisa kanjani amachashazi amaningi intshi ngayinye (2.54 cm) kungaba azimisele (kuqagulwa) kudivayisi. Ngakho-ke, ayanda value, ayanda isikhombisi ekhombe ukunemba. Ukusebenzisa isici laser inzwa ikuvumela ukuba wenze izithombe kobuso kukhona ephikisanayo kakhulu. Lokhu kwenza kube nokwenzeka ukwandisa DPI igundane izikhathi eziningana. Uma usebenzisa isici optical kwaba sibalo esiphezulu ngo 1800, indlela yamanje nge ukusetshenziswa laser ivumela kuze kufinyelele 5600 usuvele unayo Ingabe udinga amagugu anjalo - ukunquma, kulesi simo into esemqoka - ukunquma ukuthi kungani uthenga igundane. DPI e 5600 inikeza ithuba ukuhlakaza ingalo up 2 metres ngomzuzwana, okusho ukuthi leli jubane izoya isikhombisi esikrinini. Uma-ke yilokhu udinga - ukuthenga igundane nalezi nemingcele.

Ukwandisa ukunemba isiqondiso - kuhle, kodwa kukhona omunye "kodwa": ku ngezelela futhi kukhulisa ijubane lokuya yokokumaka esikrinini. Lena esingesihle lapho esebenza isofthiwe ehhovisi, asifanele abahleli isithombe, njll Ukusebenza izinhlelo ehhovisi DPI igundane elikhulu ku ezahlukene 400 kuya 800. eliphawuleka imisipha ukungezwani liyadingeka ngesivinini, futhi isandla uyakhathala isheshe.

Amagundane nge DPI ezinkulu ezidingekayo amageyimu. Kuyinto ngenxa okufunwa kwandisa nesivinini "razvlekalovki" yesimanje lezi Abalawuli ziye zashintsha ngokushesha okukhulu kangaka. Phela, uzodinga abanye ngesivinini esiningi hambisa isikhombisi esikrinini futhi ngokunemba high yayo isiqondiso.

Kulabo abasebenza izinhlelo ehhovisi futhi uthanda uphumule ngosizo imidlalo, kukhona amamodeli ungashintsha izilungiselelo. Yengane futhi igundane DPI ukubaluleka washintsha ngokucindezela inkinobho ngaphansi isondo umqulu. Ezimweni eziningi, lokhu ipharamitha kuhluka 200 kuya 3600. Imodi ukusebenza kancane. Ukuze ukwazi ukulawula wamanje DPI sokushona igundane, kungenzeka ukuba ashintshe umbala ukukhanya. Lesi sici amisiwe usebenzisa isofthiwe ekhethekile.

Uma ukugcizelela ngaphambili kukhethwa amagundane akazange akhokhe (bonke babengamadoda mayelana efanayo), kodwa namuhla kwakukhona okunhlobonhlobo onobuhle, okuyizinto ngokunethezeka, olunembile, noma ezinye izici. Enye into ukuthi ukuqonda, lula ngawe ukuthi lokhu ukuguqulwa, kungenzeka ezinsukwini ezimbalwa nje umsebenzi. Kodwa khumbula ukuthi, ngokomthetho, ungase uyishintshe umkhiqizo noma ukubuyiselwa imali ezinsukwini ezingu-14. Into esemqoka - gcina isethulo, yonke imibhalo kanye emaphaketheni.