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HOLOGRAPHIC MEMORY REPRODUCTION DEVICE AND HOLOGRAPHIC MEMORY REPRODUCTION METHOD, DEMODULATION DEVICE AND DEMODULATION METHOD, AND OBSERVATION DEVICE AND OBSERVATION METHOD 新技術説明会

外国特許コード F120006550
整理番号 SHINGI20120228
掲載日 2012年5月10日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2011JP005841
国際公開番号 WO 2012/053198
国際出願日 平成23年10月19日(2011.10.19)
国際公開日 平成24年4月26日(2012.4.26)
優先権データ
  • 特願2010-234640 (2010.10.19) JP
発明の名称 (英語) HOLOGRAPHIC MEMORY REPRODUCTION DEVICE AND HOLOGRAPHIC MEMORY REPRODUCTION METHOD, DEMODULATION DEVICE AND DEMODULATION METHOD, AND OBSERVATION DEVICE AND OBSERVATION METHOD 新技術説明会
発明の概要(英語) The present invention relates to a reproduction device of a holographic memory capable of precisely reproducing multi-value phase information without being influenced by noise. This holographic memory reproduction device comprises: a hologram diffraction ray generation unit which irradiates a first reference ray to the holographic memory and generates a diffraction ray of the first hologram; a hologram generation unit which changes the phase of a second reference ray which may interfere with the diffraction ray of the first hologram and generates a second hologram from the diffraction ray of the first hologram and the second reference ray to which the phase has been changed; a detection unit which detects the intensity distribution of the second hologram; and a processing unit which demodulates the phase modulation signal or the space quadrature amplitude modulation signal on the basis of the intensity distribution.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
  • 発明者(英語)
  • OKAMOTO, Atsushi
  • KUNORI, Keisuke
  • TAKABAYASHI, Masanori
国際特許分類(IPC)
指定国 AE(UTILITY MODEL),AG,AL(UTILITY MODEL),AM(PROVISIONAL PATENT)(UTILITY MODEL),AO(UTILITY MODEL),AT(UTILITY MODEL),AU,AZ(UTILITY MODEL),BA(CONSENSUAL PATENT),BB,BG(UTILITY MODEL),BH(UTILITY MODEL),BR(UTILITY MODEL),BW,BY(UTILITY MODEL),BZ(UTILITY MODEL),CA,CH,CL(UTILITY MODEL),CN(UTILITY MODEL),CO(UTILITY MODEL),CR(UTILITY MODEL),CU(INVENTOR'S CERTIFICATE),CZ(UTILITY MODEL),DE(UTILITY MODEL),DK(UTILITY MODEL),DM,DO(UTILITY MODEL),DZ,EC(UTILITY MODEL),EE(UTILITY MODEL),EG(UTILITY MODEL),ES(UTILITY MODEL),FI(UTILITY MODEL),GB,GD,GE(UTILITY MODEL),GH(UTILITY CERTIFICATE),GM,GT(UTILITY MODEL),HN(UTILITY MODEL),HR(CONSENSUAL PATENT),HU(UTILITY MODEL),ID,IL,IN,IS,JP(UTILITY MODEL),KE(UTILITY MODEL),KG(UTILITY MODEL),KM,KN,KP(INVENTOR'S CERTIFICATE)(UTILITY MODEL),KR(UTILITY MODEL),KZ(PROVISIONAL PATENT)(UTILITY MODEL),LA,LC,LK,LR,LS(UTILITY MODEL),LT,LU,LY,MA,MD(UTILITY MODEL),ME,MG,MK,MN,MW,MX(UTILITY MODEL),MY(UTILITY-INNOVATION),MZ(UTILITY MODEL),NA,NG,NI(UTILITY MODEL),NO,NZ,OM(UTILITY MODEL),PE(UTILITY MODEL),PG,PH(UTILITY MODEL),PL(UTILITY MODEL),PT(UTILITY MODEL),QA,RO,RS(PETTY PATENT),RU(UTILITY MODEL),RW(UTILITY MODEL),SC,SD,SE,SG,SK(UTILITY MODEL),SL(UTILITY MODEL),SM,ST,SV(UTILITY MODEL),SY,TH(PETTY PATENT),TJ(UTILITY MODEL),TM(PROVISIONAL PATENT),TN,TR(UTILITY MODEL),TT(UTILITY CERTIFICATE),TZ,UA(UTILITY MODEL),UG(UTILITY CERTIFICATE),US,UZ(UTILITY MODEL),VC(UTILITY CERTIFICATE),VN(PATENT FOR UTILITY SOLUTION),ZA,ZM,ZW,EP(AL,AT,BE,BG,CH,CY,CZ,DE,DK,EE,ES,FI,FR,GB,GR,HR,HU,IE,IS,IT,LT,LU,LV,MC,MK,MT,NL,NO,PL,PT,RO,RS,SE,SI,SK,SM,TR),OA(BF(UTILITY MODEL),BJ(UTILITY MODEL),CF(UTILITY MODEL),CG(UTILITY MODEL),CI(UTILITY MODEL),CM(UTILITY MODEL),GA(UTILITY MODEL),GN(UTILITY MODEL),GQ(UTILITY MODEL),GW(UTILITY MODEL),ML(UTILITY MODEL),MR(UTILITY MODEL),NE(UTILITY MODEL),SN(UTILITY MODEL),TD(UTILITY MODEL),TG(UTILITY MODEL)),AP(BW(UTILITY MODEL),GH(UTILITY MODEL),GM(UTILITY MODEL),KE(UTILITY MODEL),LR(UTILITY MODEL),LS(UTILITY MODEL),MW(UTILITY MODEL),MZ(UTILITY MODEL),NA(UTILITY MODEL),RW(UTILITY MODEL),SD(UTILITY MODEL),SL(UTILITY MODEL),SZ(UTILITY MODEL),TZ(UTILITY MODEL),UG(UTILITY MODEL),ZM(UTILITY MODEL),ZW(UTILITY MODEL)),EA(AM,AZ,BY,KG,KZ,MD,RU,TJ,TM)
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