CS876881A1 - Projekcni plocha k optickym ucelum - Google Patents

Projekcni plocha k optickym ucelum

Info

Publication number
CS876881A1
CS876881A1 CS818768A CS876881A CS876881A1 CS 876881 A1 CS876881 A1 CS 876881A1 CS 818768 A CS818768 A CS 818768A CS 876881 A CS876881 A CS 876881A CS 876881 A1 CS876881 A1 CS 876881A1
Authority
CS
Czechoslovakia
Prior art keywords
ucelum
projekcni
plocha
optickym
projekcni plocha
Prior art date
Application number
CS818768A
Other languages
English (en)
Other versions
CS248266B1 (en
Inventor
Ludwig Dr Dipl Phys Drechsel
Margarete Dipl Phys Lasch
Original Assignee
Drechsel Ludwig
Lasch Margarete
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 Drechsel Ludwig, Lasch Margarete filed Critical Drechsel Ludwig
Publication of CS876881A1 publication Critical patent/CS876881A1/cs
Publication of CS248266B1 publication Critical patent/CS248266B1/cs

Links

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)
CS818768A 1980-12-23 1981-11-27 Projection screen for optical purposes CS248266B1 (en)

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 true CS876881A1 (en) 1985-06-13
CS248266B1 CS248266B1 (en) 1987-02-12

Family

ID=5528294

Family Applications (1)

Application Number Title Priority Date Filing Date
CS818768A CS248266B1 (en) 1980-12-23 1981-11-27 Projection screen for optical purposes

Country Status (6)

Country Link
US (1) US4401368A (cs)
JP (1) JPS5833538B2 (cs)
BG (1) BG41967A1 (cs)
CS (1) CS248266B1 (cs)
DD (1) DD154401A1 (cs)
DE (1) DE3149089A1 (cs)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3210361B2 (ja) * 1991-05-30 2001-09-17 ソニー株式会社 プロジェクター
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712707A (en) * 1970-02-27 1973-01-23 Gen Electric Composite back projection screen and method of forming
US3655262A (en) * 1970-09-04 1972-04-11 Eastman Kodak Co Rear projection screen
US3705757A (en) * 1971-04-05 1972-12-12 Polacoat Inc Rear projection screen
US3751135A (en) * 1971-06-25 1973-08-07 E Clausen Rear projection screen
US4140369A (en) * 1977-04-11 1979-02-20 Massachusetts Institute Of Technology Efficient light diffuser
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

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
CS248266B1 (en) 1987-02-12
JPS5833538B2 (ja) 1983-07-20
BG41967A1 (en) 1987-09-15

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