CN1183773C - 采用带有反射镜的全息屏幕的投影电视 - Google Patents

采用带有反射镜的全息屏幕的投影电视 Download PDF

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Publication number
CN1183773C
CN1183773C CNB988133989A CN98813398A CN1183773C CN 1183773 C CN1183773 C CN 1183773C CN B988133989 A CNB988133989 A CN B988133989A CN 98813398 A CN98813398 A CN 98813398A CN 1183773 C CN1183773 C CN 1183773C
Authority
CN
China
Prior art keywords
screen
angle
projection
image
holographic element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB988133989A
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English (en)
Chinese (zh)
Other versions
CN1284239A (zh
Inventor
小E·T·哈尔
W·R·普菲勒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Licensing Corp
Original Assignee
RCA Licensing Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RCA Licensing Corp filed Critical RCA Licensing Corp
Publication of CN1284239A publication Critical patent/CN1284239A/zh
Application granted granted Critical
Publication of CN1183773C publication Critical patent/CN1183773C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • 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
    • G03B21/567—Projection screens for colour projection
    • 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
    • G03B21/62—Translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Projection Apparatus (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Holo Graphy (AREA)
CNB988133989A 1998-01-29 1998-01-29 采用带有反射镜的全息屏幕的投影电视 Expired - Fee Related CN1183773C (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1998/001737 WO1999039514A1 (fr) 1998-01-29 1998-01-29 Televiseurs a projection, a miroirs incidents sur des ecrans holographiques

Publications (2)

Publication Number Publication Date
CN1284239A CN1284239A (zh) 2001-02-14
CN1183773C true CN1183773C (zh) 2005-01-05

Family

ID=22266293

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB988133989A Expired - Fee Related CN1183773C (zh) 1998-01-29 1998-01-29 采用带有反射镜的全息屏幕的投影电视

Country Status (6)

Country Link
EP (1) EP1051860A1 (fr)
JP (1) JP3897980B2 (fr)
KR (1) KR100544834B1 (fr)
CN (1) CN1183773C (fr)
AU (1) AU6137698A (fr)
WO (1) WO1999039514A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108682202A (zh) * 2018-04-27 2018-10-19 伍伟权 一种文科用全息投影教学设备
CN109031243A (zh) * 2018-08-15 2018-12-18 北京大汉正源科技有限公司 一种激光雷达发射装置及发射方法
CN109814082B (zh) * 2019-01-21 2021-10-22 上海禾赛科技有限公司 光接收模块、及激光雷达系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5046793A (en) * 1989-05-26 1991-09-10 Litton Systems, Inc. Chromatically corrected directional diffusing screen
CA2044932C (fr) * 1990-06-29 1996-03-26 Masayuki Kato Ecran d'affichage
JPH0553195A (ja) * 1991-08-22 1993-03-05 Fujitsu General Ltd プロジエクタ装置
JP3388780B2 (ja) * 1992-06-19 2003-03-24 株式会社日立製作所 背面投写型画像ディスプレイ装置
JP3340766B2 (ja) * 1992-09-03 2002-11-05 株式会社リコー 透過型投射スクリーン
WO1995004303A1 (fr) * 1993-07-27 1995-02-09 Physical Optics Corporation Ecran de visualisation directionnel de grande luminosite
WO1996007953A1 (fr) * 1994-09-06 1996-03-14 Philips Electronics N.V. Ecran de retroprojection
JPH0973132A (ja) * 1995-09-05 1997-03-18 Casio Comput Co Ltd 透過型スクリーンおよびこれを用いた表示装置
JP3525584B2 (ja) * 1995-10-24 2004-05-10 株式会社デンソー ホログラム表示装置

Also Published As

Publication number Publication date
AU6137698A (en) 1999-08-16
WO1999039514A1 (fr) 1999-08-05
KR100544834B1 (ko) 2006-01-24
KR20010040483A (ko) 2001-05-15
CN1284239A (zh) 2001-02-14
JP2002502200A (ja) 2002-01-22
EP1051860A1 (fr) 2000-11-15
JP3897980B2 (ja) 2007-03-28

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PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee