CS248266B1 - Projection screen for optical purposes - Google Patents
Projection screen for optical purposes Download PDFInfo
- Publication number
- CS248266B1 CS248266B1 CS818768A CS876881A CS248266B1 CS 248266 B1 CS248266 B1 CS 248266B1 CS 818768 A CS818768 A CS 818768A CS 876881 A CS876881 A CS 876881A CS 248266 B1 CS248266 B1 CS 248266B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- scattering
- projection screen
- hjih
- solids
- solid
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract 3
- 239000007787 solid Substances 0.000 claims abstract 9
- 230000000694 effects Effects 0.000 claims abstract 5
- 239000007788 liquid Substances 0.000 claims abstract 4
- 238000000149 argon plasma sintering Methods 0.000 claims abstract 3
- 239000000126 substance Substances 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
- 230000003746 surface roughness Effects 0.000 abstract 1
- 101150096418 Mepe gene Proteins 0.000 description 4
- QHHVZFYRRDYLJB-UHFFFAOYSA-N 1-(4-bromophenyl)-2-(ethylamino)propan-1-one Chemical compound CCNC(C)C(=O)C1=CC=C(Br)C=C1 QHHVZFYRRDYLJB-UHFFFAOYSA-N 0.000 description 1
- 101100162168 Mus musculus Adam1a gene Proteins 0.000 description 1
- 101100066898 Mus musculus Flna gene Proteins 0.000 description 1
- 101100366940 Mus musculus Stom gene Proteins 0.000 description 1
- 101100322557 Rattus norvegicus Adam1 gene Proteins 0.000 description 1
- 238000002559 palpation Methods 0.000 description 1
- VPZRWNZGLKXFOE-UHFFFAOYSA-M sodium phenylbutyrate Chemical compound [Na+].[O-]C(=O)CCCC1=CC=CC=C1 VPZRWNZGLKXFOE-UHFFFAOYSA-M 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/608—Fluid screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Optical Elements Other Than Lenses (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
Description
1
Haagame Η3ο6ρβτβΗΗΗ: ΠροεκίίΗΟΗΗΗή sxpaH ρ,ηα οπτΗΗβοκπχ ijejieft
OfjjiaCTh ΠρΗΜβΗβΗΗΗ Η3θ0ρβΤβΗΗΗ; IIpéffjioxeHHOe Η3θ6ρβτβΗΗβ othochTch k npoekUHOHHOMy 3KpaHy fljiH oirnwecKHXueneft» yROBneTBopHKmieMy bmcokhm TpeGoBaHHHM πρκ BocnpoH3BeffeHHH xax Maxpo-cKonmiecKHX Tax h MHKpocxonHttecKHX H3o6paxeHHií b pexHMe nponycKaHHH. H306-ρβΤβΗΗβ HMeeT paSHOOepaSHbie BO3MOXHOCTH IipHMeHeHHH B HayHHOM HpHČOpOCTpOé“HHH, B HHCTHOCTH npH θ6ρ3θθΤΚβ C BblCOKOň TOUHOCTbW npeÁCTaBJíeHHblX B BHffeH3O6paXeHHfl HHgtOpMáiptň.
XapáKTepHCTHKa H3BečTHbix TexHHHečKHX pemeHuft; 1 IIpoeKUHOHHbie 3KpaHbi o6bWHO coctoht H3 njiocxocTHbix οπτΗΊβοκΗχ fleTajieft, pac-ceHBatonpix προχο,π,Ηπυιή cseT b peayjibTaTe MeXaHHHecxoň oGpaGoTKH hx noBepxHóc-ith hjih b peayjibTaTe noflXOflHinero noBepxnocTHoro 4>opMoo6pa3OBaHHH. HsBecTHMh npoexiuiOHHbie BKpaHbí, cBeTopacceHBaiontHe bo sceM oGteMe 3a cueT BBefleHHflpacceitBaionpix qacTHiu fljin npoH3BOflHTejibHOCTH npoeKHHOHHbix sxpaHOB κροΜβ pae*ceHBawmeň ciiocoGhocth Gojibínoe 3HaijeHHe ΗΜβιοτ h bMcokmě Bbixo# pacceHHHoroCBeTa, HHxe o6o3HaweHHbift nponycxaHHeM, h Bbicoxan pa3peiuaioinaa cnoco'6HOCTbfljiH. ΜβπκΗΧ p;eTajieň H3o6paxeHHH. HecMOTpn Ha to , hto npH ηοΜΟΠξΗ H3BecTHbixnpoeKUHOHHbix BxpaHÓB ,‘moxho yxe b 3HaHHTejibHoň Mepe peajmaoBaTb sth TpeGeBa^·hhh, cymecTBeHHwň HeflocTaTOx saxjiioHaeTCH b tom, hto npoeqHpoBaHHbie H3o6pa-ΧβΗΗΗ He CBOGOflHbl OT 3epHHCTMX CTpyKTyp H HBJíeHHň ΜΗΓβΗΗΗ HJIH CHHHTHJinHHHH iIIocjieflHHň 3φφεκτ ocoGeHHO πρκ flojiroM cyGbeKTHBHOM paccMaTpHBaHHH npoeijHpo-βηηηβιχ H3o6paxeHHň MeraaeT b ^SHOjiorHnecxoM οτηοπηϊηηη Η xpoMe τογο ycjiox- /ΗΗετ pacnosHaBaeMOCTb MejKHX fleTajieň HaoGpaxeHHH, Oh βοβηηχηθτ BcjieflCTBHeΤΟΓΟ, ΜΤΟ npOXORHIHHÍi Hepe3 npOekUHOHHbie 3KpaHbI CBeT κροΜβ pacCeHHHH nOflBep-raeTCH h npejiOMjieHHio h OTpaxeHHio Ha noBepxHocTHX paccenBaionnix 3jieMeHTOBcŤpyxTypM. fljw toto, htoGm HaGexaTb 3THX HBJíeHHň MHraHHH hjih chhhthjuihhhh, a Taxxe aep-1hhctmx cTpyKTyp, H3BecTH0 ycTpoňcTBO npoexixHOHHoro sxpaHa, κοτοροβ coctohtH3 flByx paccenBaioiHHx cpefl, HaxoffHoiHxcH β πρημομ noBepxHocTHOM χοητηχτθ hjih; pacnojioxeHHMx flpyr κ flpyry c He3HaHHTejibHbiM BOS^yniHbíM npoMexyTKOM, xoTopwe 248266 2
MeflJieHHO nepeMemawTCH flpyr OTHOCHTejlbHO flpyra BpameHHeM hjih nocTynaTenbHbíMΑΒΗΧβΗΗβΜ (naTeHT - GB-řř 592 815). Ηε,ηοετβτοκ πρκ stom ycTpoňcTBe 3axjnoHa-eTCH b tom, ίτο yxy^maeTca nponycxaHHe. Tax xax Hejib3H n3GeacaTb BHOpannňκομποηοβχη, npHMHHeHHbix nponeccaMH nepeMemeHHH, noHH»aeTCH h paapemawtnaHCnOCOÓHOCTb. fljlH yCTpaHGHHH 3THX HeflOCTaTKOB X ypOBHW ΤβΧΗΗΧΗ OTHOCHTCH npOeKUHOHHbieycTpoňcTBa, πρκ χοτορΜΧ b peaynhTaTe anexTpoMarHHTHoro BO36yacfleHHH flBe njioc-xocTHbie cBeTopacceHBawniHe cpeflbí flpyr OTHOCHTejlbHO flpyra HaxoflHTCH b xojie-SaTejibHOM, jiHHeťíHOM flBHxeHHH (πβτβΗτ - AT-íč 195 666, naTeHT - US-řř 4 143 943) .HecMOTpa Ha OTHOCHTejlbHO Bbicoxyro annapaTypHyro aaTpaTy ochobhoh He/jocTaTOx3THX yCTpOHCTB SaKJBOWaeTCH Β TOM, ΗΤΟ HeBO3MOHCHO nOjIHOCTBIO H3ĎexaTb HBJíe-HHH ΜΗΓβΗΗΗ H CHHHTHJ1JIHHHH . B 3aBHCHMOCTH OT flaHHOň aMnjlHTyflbl XOJie6aHHH]B03HHKaiOT pe3OHaHCHbie COCTOHHHH, npHBOflHiíme X 3OHSM B npOeiJHpOBaHHblX H3o6-paaceHHHX, β κοτορΜΧ Bce eme ημθιοτοη HBJíeHHíriMHraHHH h cnHHTHJinHyHH, a Taxace3epHHCTbie CTpyKTypbi h ocTaeTCH yMeHbmeHHaa pa3pemaroman cnocoGHOCTb. Bcnefl-CTBHe pe3OHaHCHbIX COCTOHHHň BO3MO3KHO, HTO BCTpeqaiOTCH H HBJíeHHH BHSpaHHH BycTpoňcTBax npoexHHOHHoro axpaHa, ycjioacHHromHe o6pa6oTxy H3o6paaceHHň. ΠοypOBHK, τβχΗΗΚΗ Taxate ηββθοτηο Hcnojn>3OBaTb ppa pacceHBaromHX npocBeHHBaronmxaxpaHa c pa3jmHH0ň pacceHBaromeň cnoco6HOCTbro, πρΗΗβΜ ποαβηχηημ HBjíneTCHTonbxo sxpaH c fíojiee HH3Koň pacceHBaromeň cnocoSHOCTbio h ftBHaceHHe ocymecTB-JIHeTCH C OTHOCHTejlbHO He3HHHHTejlhHblMH CXOpOCTHMH HJIH aMnjlHTyflaMH (DE-OS1 945 486, DE-OS 2 138 340), HecMOTpa Ha το, hto sthm cnocoÓOM b 3HanHTejib-Hoň Mepe HCxnwnaioT θφφεκτ μηγηηηη h cijhhthjijihuhh , a Taxate H36erax>T ηβπθηηηpe3onaHca h BHĎpaiíHH κομποηοβχη, no#oÓHbie npoexijHOHHbie axpaHbí ΗΜβιοτ Hej^oc-TaroHHbie CBOňcTBa nponycxaHHH h eme cjihuekom HH3xyro pa3pemaioinyio cnoco6HocTb.JÍ3BecTH0 h ycTpoňcTBO npoexpHOHHoro axpaHa, πρκ χοτοροΜ npoflyeaioT CMeeb H3pacceHBawmHX nacTHH h eoaflyxa 3a pacceHBaromHM npocBenHBaromHM axpaHOM (na-τβΗτ - US- 1* 2 906 169). HecMOTpn Ha Bbicoxyro annapaTypHyro 3aTpaTy npn 3tomycTpoňcTBe paBHOMepHocTb onTHHeexHX 3φφεχτοΒ no 6ojn>meMy nojuo H3o6paateHHHb CMbicne HayHHOň oÓpafíoTXH npeflCTaBjíeHHbix b BHfle H3o6paateHHH ΗΗφορΜβηκή He .npoexrapoBaHa κ xpoMe τογο HeBoaMoatHá. fljin bmcoxhx pa3pemeHHň πο#ο6Ηοε ycT-poůcTBO He noflxoflHT. CBOňcTBa nponycxaHHH ΗβηοοτετοπΗΜ. K H3BeCTHOMy ypOBHTO ΤβΧΗΗΧΗ B XOHIie XOHIXOB OTHOCHTCH CHCTeMa npOeXHHH HanpoceeT, cooTBeTCTByromaH OTHOCHTejlbHO pacnojioaceHHH 6ojihmoMy atHflxoxpHCTajuiH-uecxoMy $OToajieMeHTy (DE-OS 2 138 118). npHJioateHHeM ajiexTpHnecxoro nojinBO3MOKHO npaKTHHeCKH yCTpaHHTb 3φφθΧΤ MHraHHH HJIH CnHHTHJlJIHlíHH H CO3flaTbHsoÓpaaceHne, CBoóoflHoe ot 3epHHCTbix CTpyxTyp. CymecTBeHHbie HeflocTaTXH 3a-KjnoHaroTCH, OflHaxo, b orpaHHHeHHOM cpoxe cjiyx6bí noflo6Hbix CHCTeM. KpoMe τογοhx pa6oTOcnoco6HOCTh chjibho aaBHCHT ot TeMnepaTypw, BCJieflCTBHe qero Heo6-xoflHMa SHanHTejibHaH'annapaTypHaa aaTpaTa. Paspemaroman cnocoSHOCTh, yxa3aH-han SHaneHneM 20 nap jmHHň Ha mm, ajih MHxpocxonHHecKHX Tpe6oBaHHň HeflOCTa-TOMHa.
Bce H3BecTHbie TexHHnecxHe pemeHHH ΗΜβιοτ coBMecTHbiň HegocTaTOx, ητο ηθβο3-MO3KHO yCTpaHHTb θφφβχτω ΜΗΓΗΗΗΗ HJIH CIJHHTHJIJIHIJHH H 3epHHCTyiO CTpyXTypy 6e3τογο, HTOÓbi HapymajiHCh ocTajibHbie CymecTBeHHbie onTHaecxne cBoťícTBa, xaxHanp. paspemaromaa cnocoSnocTb h nponycxaHHe. !i®íS_Š22®EěISS52i
Uejibio Η3θ6ρετβΗΗΗ HBJíaeTCH npoexnHOHHbiň sxpaH fljia οπτηηθοχηχ nejieň, npH xo-τοροΜ H36eraroT HeflocTaTK.oB ypOBHH τβΧΗΗΧΗ. B aacTHOcra cjiejjyeT cO3jnaTh npo-exnHOHHbiň sxpaH,. oSecneHHBaroiUHň BocnpoH3BefleHHe h o6pa6oTxy npoeijHpoBaHHbix 248266 3
HaoCpaxeHHň b BbicmeM KauecTBe h sepno b nepeflane fleTajieň h noaBonHwmuft CBepxToro Gea npoGjieM h flojiroe paccMaTpHBaHHe, H3noweHHe_c2gHocTH_H3o6geTeHH22. 3aflaneří Η3ο6ρετβΗΗΗ hbjih6tch yxaaaTb npoexflHOHHbiň sxpaH fljw onTHwecKHX ue-Jieft, cocroflinHň H3 paaHbix noflBHacHbix flpyr OTHOCHTejibHo flpyra pacceHBawmHXcpefl, h flaromnň bo3Mo»hoctb βοοπροηββθαθηηη npoeimpoBaHHbix H3o6pa»eHnft, cbo-GoflHoro ot sepHHCTbix CTpyKTyp, μηγβηηη hjih cflHHTHJUiaflHH, η ηρκ κοτοροΜ ofl-ΗΟΒρβΜβΗΗΟ yjiynmawTCH pa3pemawmaa cnocoÓHocTb h CBoňcTBa nponycKaHHH.Hpn3HaKn peraeHHH nexm h safla^H corjiacHO H3o6peTeHHro 3aKjnoqawTCH b tom, htoflpyr OTHOCHTejibHO flpyra ποαβηχηο pacnonoaceHbí flBe TBepflbie HeoprammecKHe hjihopraHHHecKHe cpeflbí, H3 κοτορκχ oflHa hjih o6e Cjiaroflapn oflHocTopoHHeň MHKpOHerpOBHOCTH nOBepXHOCTH C 4,5XMK ΠΟ 17 MK HB^IHIOTCH CBeTOpacCeHBaKHUHMH, H Haxo-flHinaHCH Mexfly hhmh »hhkocti> c pacceHBaroinHM fleňcTBHeM hjih 6e3 pacceHBawmerofleňcTBHH, npHueM paccTOBHHe Meatfly TBepflbíMH cpeflaMH cocTaBnaeT 0,004 no 0,5 mmh pa3HOCTB noKaaaTeneň npenoMjieHHH Meacfly TBepflbíMH cpeflaMH h acHflKOCTbW co-CTaBJíHeT ánd = 0,180 no 0,350, K npH3HaKaM Η3θόρβτβΗΗΗ flajibme othochtch,ητο flBe TBepflbie CBeTopacceHBawmHe cpeflbí OKpyacawT npoMeacyTOK, HanojiHeHHbiň atHfl-KocTbio Gea pacceHBawmero fleňCTBHH, npnneM OTBepnyTan ot HaGjnoflaTejiH TBepfláncpefla pacnonoxeHa ποαβηηιηο. flanbHeňmaH npeHMymecTBeiiHaji φορΜβ ηοποπηθηκη peraeHHH corjiacHO H3o6peTeHHW3aKjuoHaeTCH b tom, hto TBepflán cBeTopacceHBaroqaH cpefla na oGpameHHoň κ HaG-jnoflaTejuo ετοροΗε h BTopaa TBepflaH cpefla 6,e3 pacceHBawmero fleňcTBHH, pacnojio-xeHHbie HenoflBHXHO, OKpyacawT npoMeacyTOK, nepe3 κοτορωή προτβκββτ «hakoctb,coflepxaman pacceHBawmHe HeopraHHwecKHe hjih opraHHnecKHe TBepflbie HtacTHflbí pa3-MepoM nacTHu c 1 no 10 mk. TBepflbie cpeflbí, npHMeHeHHbie b cjiynae npoeKflHOHHbix SKpaHOB corjiacHO naoGpeTe-hhw, coctoht H3 cTeKjiHHHbix njiacTHHOK, Ho c OftHHaKOBbíM ycnexoM ΜΟ3ΚΗΟ Hcnojlb-3OB3Tb H njiaCTHHKH H3 OpraHHHéCKHX nOJIHMepOB, npHMeHeHHbie OGbWHO flJIH ΟΠΤΗΗβΟ-khx u;ejieťí, xax Hanp, 3φκρω nojiHMeTaKpHJiOBOH khcjiotm hjih nojmaKpHJiOBoft khcjio-Ťbl, ΠΟΗΗ3φΗρΗ H3 H3OMepHbIX φτεχίβΒΗΧ KHCJIOT, nOjIHKapGOHaTbl, nOJTHflHSTHJieHrjlH“Kojib-6Hc-ajinHJiKap6oHaT h Apyrne, a Taxace hx cononHMepw. fljia HanojiHeHHH προ-MeacyTKOB Meacp,y TBepflbíMH cpeflaMH npeHMymecTBeHHO npHMeHHWTCH xhakocth, khkHanp, BOfla, cnnpTbi, rjiHKoneBbie 3φΗρω, 3φκρΜ, rajioHflHpoBaHHbie yrjieBOflopoflbí hhx CMecH, ftna τογο, htoGm npHflaTb aaiflKOCTH CBeTopacceHBawmHe csOňcTBa, b xa-necTBe TBepflbix BemecTB npHMeHHWT Hanp, BbicoxoflHcnepcHyw xpeMHeByw KHCJiOTy,a Taxace nopomKH H3 nojrasTHjieHa, ποιιηβηηηποβογο cnnpTa ητ,π. Πρκ πομοιηιη npoexHHOHHbix 3KpaHOB corjiacHO Η3θ6ρετβΗκω pana BoaMoamocTb cbo-..SoflHoro ot sepHHCTbix'cTpyKTyp, μηγ3ηηη η οαηητηππηαηη BOcnpoHSBefleHHfl npoeuH"poBaHHbix H3o6paxeHHň c pa3pemawmeň cnocofíHocTbw MHHHMajibHO 25 nap jihhhh Hamm h nponycxaHHeM MHHHMajibHO 80% 6e3 npoGon 3panxa. TeM βο3μο«ημ oGpaGoTKHnpoeiiHpoBaHHbix H3o6paaceHHň c Bbicoxoň TOHHOCTbw h BepHbie b nepeflane fleTajieňGe3 OTpHUaTenbHbix φΗ3ΗοηοΓΗΗβοκΗΧ conyTCTBywmHX HBjíeHHft h b cjiynae flojiroropaccMaTpHBaHHH H3o6paaceHHH. IIpHMepbi KQHKpeTHoro HcnojiHeHHfl: IIpeflJioaceHHoe Η3θ6ρετεΗΗβ ποηοηηθτοη Ha cneflywmHx npHMepax κοΗκρβτΗΟΓΟ hc-ποηΗβΗΗΗ, Ha cooTBeTCTBywmeM nepTeace npeflCTaBJíaeT . Φηγ. 1 nonepenHoe ceneHne npoexnHOHHoro 3Kpana H3 flByx TBepflbix CBeTO- pacceHBatomHX cpefl, OKpyxawntHX npoMexyTOK, HanojiHeHHbiň atHflKocTbw6e3 pacceHBawmero flefícTBHH, πρηηθμ OTBepHyTan οτ HaGjooflaTejiH TBepflan cpefla pacnojioaceHa noflBHaoio, 248266 Φηγ, 2 nonepeHHoe ceneHHe npoeKflHOHHoro aKpaHa na OflHOň TBepflofí cBeTO-pacceHBamiueň cpeflbí Ha oĎpameHHOH κ HačmoflaTerao οτοροΗβ h BTopoň ' TBepfloň cpeflbí 6e3 pacceHBawníero fleňcTBHH Ha OTBepHyroň ot Ha6nw-flaTejiH CTOpone, πρΗΗβΜ o6e TBepflbie cpeflbí pacnonoxenw HenoflBHXHO hOKpywawT npoMexyTOK, nepe3 κοτορωΡ npoTeKaeT xhakoctb, coflepxamanpacceHBatonme TBepflbie nacTHflbi.
IlpHMep ΚΟΗΚρβΤΗΟΓΟ HCriOJIHeHHH 1 (φΐ-irypa1): flee cTeKJiHHHbie nnacTHHKH 1 h 2 c nomaTejieM πρβηοΜηβΗΗΗ “ 1,728, c
OflHOň CTOpOHhl ΠϋΠίφΟΒβΗΗΜβ Ηβ CpeflHJOW MHKpOHepOBHOCTb ΠΟΒβρΧΗΟΟΤΗ 7,4 MK, pacnojioaceHbí napannenbHO flpyr flpyry tbkhm o6pa3OM, hto6w mepoxoBaHHbie no-
bepxHocTH 3 h 4 6μπη očpameHbí flpyr κ flpyry h Mexfly hhmh ocTancn npoMexyTOK 5 mupHHOň 0,004 mm. 06pameHHaa κ ΗβπρβΒηβΗΗΚ» Banwfla 6 HaSmoflaTena B ετβκ- jiHHHaa njiacraHKa 1 HenoflBHXHO pacnonoxeHa ΒτφβΜΚβ 7 · OÓpameHHan κ HanpaB- neHHio nafleHHH CBeTa 8 οτβκηΗΗΗβπ njiacTHHKa 2 pacnonoxeHa b paMxe 9, coeflH“ keHHoň c ycTpoňcTBOM flna αβηχθηηη 10, ne noflpoSHee npeflCTaBjíeHHbíM Ha Φηγ., M noflnpy«HHeHHOň Ha nofljio»Ke 11. 06e paMKH 7 h 9 Boxpyr flenoro ycTpoňcTBa npoeKHHOHHoro 3KpaHa coeflHHeHbí flpyr c flpyroM πρκ πομοπιη ynpyroro ynnoTHe- hhh 12 b BHfle cujn^oHa. TeM očecneneHo BcecTopoHHee aaMbixaHHe npoMe»yTKa5,
HanojiHeHHOro XHflKocTbw 13 6e3 pacceHBawmero fleňcTBHH, cocToameň b flaHHOM. 20 cjiyuae hs MOHO3raji3THneHrjiHKojieBoro 3(pHpa c noKa3aTeneM npejioMjieHHH « = 1,408. Mes^y noeepxHOCTHMH 3 h 4 οτβκηηΗΗΚίχ nnacTHHOK 1 h 2 h Hanojme-ΗΗβΜ XHflKocTH τβΜ nonynaeTCH pa3HOCTb noKasaTeneií npenoMneHHH and =0,320.Πρκ noMonm ycTpoňcTBa fljiH flBHxeHHfl 10, He noflpó6Hee npeflCTaBJíeHHoro HaΦηγ,, oÓpameHHaH κ nafleHHW cnera 8 nnacTHHKa 2 npHBOflHTcn b sKcfleHTpHnec-xoe BpamaTejibHoe flBHxeHHe c aMnnHTyfloň 10 mm npH ckopocth c 0,5 no2,0cM-c.ýnjiOTHeHHe b BHfle CHJibóoHa 12 πρκ stom oSecnenHBaeT, ύτο BHČpaflHH BcneflCT*BHe flBHxeHHH He nepeflaioTCH Ha HenoflBHXHyio njiacTHHxy 1. H3o6paweHH«, npoeflHpoBaHHbie Ha ποαο6ηο KOHCTpyHpoBaHHbiň h SKcnnyaTHpo-BaHHbiň npoeKflHOHHbiň ΘκρΗΗ, πρκ nponycKaHHH 86% h pa3pemaiomeťi cnoco6HOCTH29 nap hhhhíí Ha mm cboČoahm ot aepHHCTbix cTpyxTyp η μηγηηηη ηπη cahhthji-JIHflHH. ΠρΗΜβρ KQHKpeTHoro HcnojiHeHHM 2 (tfrHrypa 1): ýcTpoňcTBO fljiH npoexflHOHHoro 3Kpana OflHHaKOBoe, κοτοροβ 6bino onncaHo b npH-Mepe KOHKpeTHoro ηοπο,πηθηηη 1 cornacHo φΗΓγρβ- 1. 06e cTeKnnHHbie nnacTHHKHTaxxe HMe»T noKa3aTenb npenoMneHHH = 1,728, OflHaKO ohh 6mjih c OflHOňCTOpOHbl ΠυΤΗφΟΒΒΗΗ Ha CpeflHKHO MHKpOHepOBHOCTb ΠΟΒβρΧΗΟΟΤΗ 4,9 MK. B KaneCT“Be «HflKocTH Meatfly nnacTHHKaMH npHMeHHeTca H-nponaHoji c noKaaaTeneM npenoM-, neHHH n1,0 = 1,385 h ronmHHoií caoh 0,02 mm, tsk hto nonynaeTCH paaHocTbd ' ,
noKa3aTejien npenoMneHHH Mexfly ετβκπΗΗΗΜΜΗ noBepxHocTHMH h H-nponaHonoM an^0 = 0,343. Πρκ noMonjH cooTHomeHHň flBHXeHHH, TaKxce onHcaHHbix b npHMepe1, bo3moxho npoeflHpoBaTb H3o6paaceHHH, cBočoflHbie Ot aepHHCTbix cTpyKTyp hMHraHHH hjih cflHHTHJiJiHflHH, πρκ nponycKaHHH 87% h paspemawmeň cnoco6HOCTH33 napw JiHHHň na mm. ΠρΗΜβρ ΚΟΗΚρβΤΗΟΓΟ HcnonHeHHH 3 ($Hrypa_jJl TáKHM sce o6pa3OM, onncaHHbíM b npHMepe KOHKpeTHoro ηοποπηθηηη 1 h npeflCTaB-JieHHbíM Ha Φηγ.1, KOHCTpyHpyKT h 3KcnjiyaTHpyi0T ycTpoňcTBO npoeKflHOHHoro 3K-paHa, πρΗΗβΜ o6e nnacTHHKH coctoht H3 nonHKap6oHaTa c noKa3aTeneM npenoM-neHHH = 1,585 h c OflHOň cTOpoHM ημθιοτ MHKpOHepOBHOCTb noBepxHocτη
7,4 MK, Ohh pacnonoxenbi Ha β33ημηομ paccTOHHHH 0,05 mm, npHneM npoMexyTOK 248266 5
Mexfly ηημη HanonHeH BOfloft (n^° = 1,335), HonynaeTcn paaHocTb noxasaTeneft.npejiOMneHHH Mexfly nojiHKapfiOHaTHWMH nnacTHHKaMH h BOfloft · 0,250.
IlpOeUHpOBaHHbie πρκ ΠΟΜΟΠξΗ 3Τ0Γ0 ΗΟΠΟηΗβΗΗΗ ΠρΟβΚΑΗΟΗΗΟΓΟ BKpana COrjiaCHOiH3o6peTeHnw HSoCpaweHHH CBoCoflHM ot aepHHCTWx CTpyKTyp h μηγβηηη hjih cflHH-τηππλαηη npH nponycKaHHH 85% h paapemaraueň cnoco6HO.CTH 27 nap πηηηΛ Ha mm.npHMep KQHKpeTHOro HcnojiHeHHH 4 (^Hrypa 2): ΟτβκπΗΗΗβΗ nnacTHHKa 21 c noKaaaTejieM npenoMneHHH n^° » 1,522, c oflHoft cto-POHM ΠΓΠΗφΟΒβΗΗβΗ Ha CpeflHKMO MHKpOHepOBHOCŤh ΠΟΒβρΧΗΟΟΤΗ 16,8 MK, ΚΟΤΟρβΗBcneflCTBHe τογο HBJíHeTCfl paccenBaiomeň, h BTopaa, c o6enx ctopoh poBHaa,HepacceHBaiomaH οτβκηΗΗΗβΗ njiacTHHxa 22 c οαηηηκοβημ noKaaaTeneM npejjoMjie-hhh pacnonoxenbi napannejiBHO h ηθποαβη3κηο flpyr flpyry thkhm o6pa3OM, wtoOmMeatfly hhmh ocTajricH npoMeicyTOK 23 nmpHHOň 0,5 ΜΜ,ΠρΗ stqm paccenBatoma# ετβκ*'iwmaa njiacTHHKa 21 pacnojioxceHa Ha CTOpoHe, oSpameHHOň κ HanpaBjíeHHtoB3rjiHfla 24 HaGjnoflaTejia B, b to BpeMfl xax c o6enx ctopoh pOBHan, Hepaccen-Baromaa CTeKjiHHHaa njiacTHHKa 22 ofipameHa κ HanpaBjíeHHio nageHHír cseTa 25.^epee npoMexcyroK 23 b HanpaBJíeHHH τεηβΗΗΗ 27 προτβκββτ «HflKocTb 26, coctoh-maa b #aHHOM cjiynae H3 soflbí, coflepxameft b xayecTBe pacceHBawawx TBepflbixnacTun; 28 0,8 Bec.% nnaMeHHorHflpojmTHHecKH nonyneHHoň BbicoKOflHcnepcHoňflByOKHCH KpeMHHH C pa3MepOM BTOpHHHbIX HacTHfl C 1 ΠΟ 7 MK. ΠρΗ 3TOM CTeK“jiHHHaa njiacTHHKa 21 pacnojioxceHa τβκ, htoSm mepoxoBaHHaH, pacceHBawmaa no-BepxHocTt 29 orpaHunmia npoMencyTOK 23 h 6bina b HenocpeflCTBeHHOM κοΗτβκτβ cnpoTeKaromeft nepe3 Hero atHflKocTbio 26 h c cycneHflupoBaHHbíMH b Heft TBepflHMHnacTHuaMH 28. IIpoeKUHOHHbiň 3KpaH πρπ πομοπιη ynnoTrtaioiuero MaTepnana 30 pac-nonoaceH b paMke 31, CHa6xeHHoň ποαβοαηπ(ημ h otboahihhm naTpySKaMH 32 fljiacycneH3HH c pacceHBawmHM fleňcTBHeM 26/28. B p;aHHOM cjiynae Me«fly noBepxHOCTHMH CTeKjiHHHbix nnacTHHOK 21 κ 22 h cjiy- ’xcameň b KanecTse xchakocth 26 BOfloft nojiynaeTCH pa3HOCTt> noKa3aTejieň npejiOM-neHHH =0,187. UHpKyjiHUHH xnfíKOCTH ocymecTBjíHeTCH npn noMODpi He npeflCTaBjíeHHoro Hacoca cMODtHOCTbW 30 n/n, H3o6paxeHHH, npoenupoBaHHbie Ha stot npoeKflHOHHbift 3KpaH,BOcnpoH3BOflHTCH 6e3aepHHCTbix CTpyKTyp η μηγηηηη hjih cuhhthjijihiíhh c nponycKaHneM 82% κ pa3penia-roiqeň cnocofíHOCTbro 33 napbi jiHHHft Ha mm. ΠρπΜβρ KQHKpeTHOro HcnojiHeHHH 5 ^Hrypa 2):
YcTpoňcTBO fljia npoeKHHOHHoro SKpaHa oflHHaKOBoe, κοτοροβ 6buio onncaHO b npn-Mepe κοΗκρβτΗΟΓΟ HcnonHeHHH 4 cornacHO Anrype 2. ΟτεκπΗΗΗΗε nnacTHHKH, H3.KOTopbix oSpameHHaH κ HaSjnoflaTejuo njiacTHHKa Ha BHyTpeHHeň CTOpoHe 6buia num-(JjOBaHa Ha cpeflHWW μηκροηθροβηοοτβ noBepxHOCTH 7,4 μκ, ημθιοτ noxaaaTejib enpenoMJieHHH n™ = 1,728. B kanecTBe flHpKyjiHflHOHHOň xchakocth πρΗΜβΗπωτ 98,4 Bec. % ΜθΗθ3τκπ3ΤΗπεΗΓΠΗκοπβΒθΓθ 3φκρβ c noKaaaTeneM npenoMneHHH n = r=1,408, b κοτοροΜ ,o;ncneprnpoBaHbi 1,6 Bec.% ποπηβτηιιθηοβογο nopomKá cocpeflHHM pa3MepoM HacTWí 8 μκ. H3 3τογο cnepyeT pasHOCTb noKaaaTeneft npe-JIOMJieHHH MéxCfly CTeKJIHHHblMH ΠΟΒερΧΗΟΟΤΗΜΗ H XCHflKOCTbIO = 0,320, TOJmHHa JKHflKoeTHoro cjioá cocTaBJíaeT, xax b npHMepe 4, 0,5 mm, IlHpKyjiHflHH xcHflKOCTHTaxxce ocymecTBjíaeTCH HacocoM c MomHOCThio 30 ji/h. IIpoeííHpoBaHHbie H3o6paxceHHH CBoÓoflHH ot aepHHCTbix CTpýKTyp η μηγβηηη hjihcuHHTHjiHiWH c nponycKaHneM 82% η πρπ pa3pemaiomeft cnócoĎHOcTH 30 nap jmHHftHa MM. ΠρπΜβρ KQHKpeTHOro HcnójiHeHHH 6 (j>nrypa 2):
KaK 6buio onucaHO b npHMepe 4 corjiacHO Φηγ. 2, p,Be CTeKjiHHHbie njiacTHHKH cnoKa3aTejieM npenoMneHHH n^j = 1,624 pacnojioHceHM flpyr ot flpyra Ha paccTOSHHft 248266 6 0,5 mm, πρΗΜβΜ o6pameHHan κ HaSjTioflaTejBo njiacTHHKa Ha BHyTpeHHéň οτοροΗβ6buia mjin4>OBaHa Ha cpeflwoio MHKpOHepoBHOCTb noBepxHOcra 9,4 mk. IÍHpKyjiHflHOH-Haa XHffKOCTb coctoht H3 98,7 Bec.% ČM.6CH ueTbipexxjiopHCToro yrnepofla c 3thji-aueTaTOM 5 ofíbeMHOM cooTHomeHHH 4:1 -c noKaeaTejieM npejiOMjieHHH nj° · 1,392,b κοτοροή flHcneprHpoBaHbí 1,3 Bec.% noponrca ποηηβηηηιιοβογο cnHpTa co cpefl-hhm pa3MepoM nacran! 5 mk. B aaHHOM cjiynae pa3HOCTt noKasarejieň npejioMjieHHHMeawy CTeKjiHHHbíMH noBepxHocTHMH h «HflKocTbio cocTaBJíHeT n^° » 0,232. UupKy-jihiíhh XHflKocTH η b 3T0M cjiynae ocymecTBjíaeTCH HacocoM c μοπιηοοτβιο 30 ji/h,H3o6paxeHHH, npoeflHpoBaHHbie Ha stot npoeKflHOHHbiň skpaH, cboSoahm ot aepHHC“Tbix cTpyKTyp η· μηγβηηη hjih cahhthjijihuhh npn nponycKaHHH 80% h paspemaioqeňcnocoĎHocTH 30 nap jniHHň Ha mm. «frppMyjia Η3θ6ρβΤβΗΗΗ: 1 . ΠρΟβΚΙίΗΟΗΗΜή 3KpHH flJIH ΟΠΤΗΗβΟΚΗΧ flejieÉ V, pa3HbIMH nOflBHXKblMH flpyr OTHO-CHTenbHO flpyra paccenBaioniHMH cpéflaMH, OTjranaioinHficH τθμ, ητο flpyr othoch-TenbHO flpyra ποαβηχηο pacnonoaceHbí flBe TBepflbie HeopraHHnecKue hjih opraHHMec-iΚΗβ Cpeflbl, H3 KOTOpblX OflHa HJIH O6e ÓJiarOflapH OflHOCTOpOHHeň MHKpOHepOBHOCTHHOBepxHOCTH c 4,5 mk no 17 mk hbjihiotch CBeTopacceHBawmHMH, h HaxoflHmaacHMexfly hhmh «HflKOCTb c pacceHBaiomHM fleňcTBHeM hjih 6ea pacceHBaiomero fleňcT“bhh, npnneM paccTOHHHe Mexfly TBepflbíMH cpeflaMH cocTaBJíHeT 0,004 no 0,5 mmh pa3H0CTb rtoKaaaTejieň npejioMjieHHH Mexfly TBepflbíMH cpeflaMH h xniflKOCTbiococTaBJíaeT 0,180 no 0,350. 2. ΠροβκΐίΗΟΗΗΜ# 3KpaH no n.l, oTJiHHaiomHňcH τβΜ, ητο flBe TBepflbie cseTO-pacceHBawiJtHe cpeflu OKpyxawT npoMexcyroK, HanojiHeHHbiň jkhakoctbio 6ea pacceH-eaioDiero fleňcTBHH, npnueM OTBepHyTan ot Ha6jnoflaTejia TBepflan cpefla pacnojio-sceHa noflBHJKHO, s. 3. ΠροβκηΗΟΗΗΜή 3KpaH no n.l, OTjn-raaioinHHCH τβΜ, hto oflHa TBepflan, CBeTO-pacceHeaioniaH cpefla Ha oSpaineHHoň κ Ha6jnoflaTejno οτοροΗβ h BTOpan TBepflanepefla 6e3 paccenBaioniero fleHCTBHH, pacnojioaceHHbie ηθποαβηχηο, oKpyjicaioT npo-MescyroK, nepe3 κοτορκή προτεκβετ xhakoctb, coflepxaman pacceHBaioiqHe Heop-raHHHecKHe hjih opraHHHecKHe TBepflbie nacTHflbí pa3MepOM nacTHfl c 1 no 10 mk. A»HQTanHH: ΠροβκηΗΟΗΗΜΗ 3KpaH fljiH onTHHecKHX flejieň, yflOBjíeTBopjuoinHň bhcokhm Tpe6oea-HHHM npH BOCnpOH3BefleHHH K3K MaKpOCKOnHHeCKHX T3K H MHKpOCKOHHHeCKHXH3o6pajKeHHň b peacuMe nponycKaHHH. 3aflaneH HBjíHeTCH yxaaaTb npoeKflHOHHbiňsxpaH, cocTOHnmň H3 pa3Hbix ποαβηχημχ flpyr οτηοοητθιιβηο flpyra pacceHBanmHXCpefl, H flaiOlUHň BO3MOJKHOCTfa BOCnpOH3BefleHHH npOeflHpOBaHHblX H3o6pajKeHHň,CBO6OflHOrO OT 3epHHCTbIX CTpyKTyp, ΜΗΓΗΗΗΗ HJIH CflHHTHJIJIHflHH npH OflHOBpe-μθηηομ yjiynmeHHH paspemaiomeň cnocoĎHOCTH h cboííctb nponycKaHHH. CymHOcTbΗ3ο6ρβτβΗΗΗ saKrtonaeTCH b προεκηηοΗΗΟΜ 3KpaHe, πρκ κοτορόΜ flpyr othoch·“TejibHO flpyra ποαβιβκηο pacnojiosceHM flBe TBepflbie HeopraHHnecKHe hjih oprami-necKHe cpeffw, H3 κοτορωχ oflHa hjih o6e Sjíaroflapa oflHocTopOHHeMy mepoxoBáHHionoBepxHOCTH hbjihiotch cBeTOpacceHBawnflíMH, h HaxoflHmaHCH Me«fly sthmh cpeflaMH«HflKocTb c pacceHBaioinHM fleňCTBneM hjih 6e3 pacceHBawmero fleňcTBHH. H3O6pe-ΤβΗΗΘ HMeeT pa3HOO6pa3Hbie BO3MO3KHOCTH ΠρΗΜβΗβΗΗΗ B HaySHOM ΠρΗβορΟΟΤρΟβΗΗΗ. ΠρΗ3ΗβΗΟ Η3θ6ρβΤβΗΗβΜ ΠΟ pe3yj!bTaTaM 3KCnepTH3bI, OCynjeCTBeHHO# BeflOMCTBOMno flejiaM Η3θ6ρβτβΗΗή h naTeHTOB FflP. 2 qepTeaca 248266
Claims (2)
- 248 266 PfiEDMfiT V ϊ N Π B Z U1. Projekční stínítko pro optické účely a různě od sebeodlišnými rozptylovými" látkami, vyznačující se tím, žeobsahuje dvě vzájemně pohyblivě umístěné pevné anorganic-ké nebo organické látky, z nichž jedna nebo obě díky jed-nostranné mikronerovnosti povrchu od 4,5 do 17/um jsoupro světlo rozptylové, přičemž se nachází mezi nimi ka-palina s rozptylovou působností nebo bez rozptylové pů-sobnosti , přičemž vzdálenost mezi pevnými látkami tvoří t od 0,004 až do 0,5 mm a rozdíl ukazatelů lomu mezi pev-nými látkami a kapalinou tvoří An*j° = 0,180 až 0,550. 2. ' Projekční stínítko podle bodu 1, vyznačující se tím,že pevné, světlo rozptylující látky obklopují mezeru,naplněnou kapalinou bez rozptylového účinku, přičemž od-vrácená od pozorovatele pevná látka*je umístěna pohyblivě* v
- 5. Projekční stínítko podle bodu 1, vyznačující se tím,že jedna pevná, světlo rozptylující látka na obrácenéStraně k pozorovateli a druhá pevná látka bez rozptylo-vého .účinku, jsou umístěny pevně, obklopuji mezeru, kte-rou protéká kapalina, obsahující rozptylové neorganickénebo organické pevné částice o rozměru od 1/um do 10/tun.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD80226555A DD154401A1 (de) | 1980-12-23 | 1980-12-23 | Projektionsschirm fuer optische zwecke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS876881A1 CS876881A1 (en) | 1985-06-13 |
| CS248266B1 true CS248266B1 (en) | 1987-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS818768A CS248266B1 (en) | 1980-12-23 | 1981-11-27 | Projection screen for optical purposes |
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| US (1) | US4401368A (cs) |
| JP (1) | JPS5833538B2 (cs) |
| BG (1) | BG41967A1 (cs) |
| CS (1) | CS248266B1 (cs) |
| DD (1) | DD154401A1 (cs) |
| DE (1) | DE3149089A1 (cs) |
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| US6426836B2 (en) * | 1996-06-11 | 2002-07-30 | Hewlett-Packard Co. | Method and apparatus for reducing the formation of spots in laser projection |
| US6092900A (en) * | 1997-06-11 | 2000-07-25 | Hewlett-Packard Company | Method and apparatus for reducing the formation of spots in laser projection |
| US6295162B1 (en) * | 1997-01-20 | 2001-09-25 | Dai Nippon Printing Co., Ltd. | Rear projection screen with optical sheet having irregularities caused by diffusing material smoothed with a transparent control layer |
| US6466368B1 (en) | 2000-04-26 | 2002-10-15 | 3M Innovative Properties Company | Rear projection screen with reduced speckle |
| FI114878B (fi) * | 2001-01-15 | 2005-01-14 | Ismo Rakkolainen | Menetelmä ja laitteisto projektiopinnan muodostamiseksi |
| FI117146B (fi) * | 2001-06-18 | 2006-06-30 | Karri Tapani Palovuori | Suljintoimintoon perustuva laitteisto stereo- tai monikanavakuvan projisoimiseksi |
| FI117810B (fi) | 2001-06-18 | 2007-02-28 | Karri Palovuori | Pulssitukseen perustuva laitteisto stereo- tai monikanavakuvan projisoimiseksi |
| KR100676633B1 (ko) * | 2005-01-07 | 2007-01-31 | (주)싸이텍연구소 | 접합 영상 패널 및 그 제조 방법 |
| US7697201B2 (en) * | 2006-05-24 | 2010-04-13 | Seiko Epson Corporation | Screen, rear projector, projection system, and image display unit |
| JP4172502B2 (ja) * | 2006-06-14 | 2008-10-29 | セイコーエプソン株式会社 | スクリーン、リアプロジェクタ及び画像表示装置 |
| US8016424B2 (en) * | 2006-12-20 | 2011-09-13 | Seiko Epson Corporation | Rear projector and projection system |
| KR20110070990A (ko) * | 2008-10-23 | 2011-06-27 | 니폰 가야꾸 가부시끼가이샤 | 레이저광용 광확산 셀, 이를 사용한 광원장치 및 화상 표시장치 |
| JP5365453B2 (ja) * | 2009-09-30 | 2013-12-11 | カシオ計算機株式会社 | 背面投影型スクリーン及び背面投影型ディスプレイ装置 |
| KR101178363B1 (ko) * | 2010-10-26 | 2012-08-29 | 최해용 | 윈도우 영상 스크린 장치 |
| CN102226866A (zh) * | 2011-06-27 | 2011-10-26 | 上海源珅多媒体有限公司 | 一种水影成像的方法 |
| DE102015200929A1 (de) * | 2015-01-21 | 2016-07-21 | Robert Bosch Gmbh | Projektionsschirmvorrichtung, Projektionsvorrichtung und Projektionsverfahren |
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| US4165153A (en) * | 1978-04-25 | 1979-08-21 | Polaroid Corporation | Translucent screen |
| US4184762A (en) * | 1978-06-16 | 1980-01-22 | Oscar Guzman | Variable definition projection systems |
-
1980
- 1980-12-23 DD DD80226555A patent/DD154401A1/de not_active IP Right Cessation
-
1981
- 1981-10-08 US US06/309,659 patent/US4401368A/en not_active Expired - Fee Related
- 1981-10-26 JP JP56170268A patent/JPS5833538B2/ja not_active Expired
- 1981-11-27 BG BG8154314A patent/BG41967A1/xx unknown
- 1981-11-27 CS CS818768A patent/CS248266B1/cs unknown
- 1981-12-11 DE DE19813149089 patent/DE3149089A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US4401368A (en) | 1983-08-30 |
| DD154401A1 (de) | 1982-03-17 |
| DE3149089A1 (de) | 1982-07-08 |
| JPS57124724A (en) | 1982-08-03 |
| JPS5833538B2 (ja) | 1983-07-20 |
| CS876881A1 (en) | 1985-06-13 |
| BG41967A1 (en) | 1987-09-15 |
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