DE68912487D1 - Durchscheinender Projektionsschirm. - Google Patents

Durchscheinender Projektionsschirm.

Info

Publication number: DE68912487D1
Authority: DE; Germany
Prior art keywords: projection screen; translucent projection; translucent; screen; projection
Prior art date: 1988-09-28
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

DE89309881T

Other languages

English (en)

Other versions

DE68912487T2 (de

Inventor

Johannes Clausen

Erik Clausen

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.)

Dai Nippon Printing Co Ltd

Original Assignee

Dai Nippon Printing Co Ltd

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.)

1988-09-28

Filing date

1989-09-28

Publication date

1994-03-03

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8142238&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE68912487(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1989-09-28 Application filed by Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd

1994-03-03 Application granted granted Critical

1994-03-03 Publication of DE68912487D1 publication Critical patent/DE68912487D1/de

1994-05-11 Publication of DE68912487T2 publication Critical patent/DE68912487T2/de

2009-09-29 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- 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
- G03B21/625—Lenticular translucent screens

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Overhead Projectors And Projection Screens (AREA)
Video Image Reproduction Devices For Color Tv Systems (AREA)

DE89309881T 1988-09-28 1989-09-28 Durchscheinender Projektionsschirm. Expired - Fee Related DE68912487T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DK541388A DK160593C (da)	1988-09-28	1988-09-28	Baglysprojektionsskaerm

Publications (2)

Publication Number	Publication Date
DE68912487D1 true DE68912487D1 (de)	1994-03-03
DE68912487T2 DE68912487T2 (de)	1994-05-11

Family

ID=8142238

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE89309881T Expired - Fee Related DE68912487T2 (de)	1988-09-28	1989-09-28	Durchscheinender Projektionsschirm.

Country Status (7)

Country	Link
US (1)	US4979800A (de)
EP (1)	EP0361918B1 (de)
JP (1)	JP2837192B2 (de)
KR (1)	KR970009132B1 (de)
CA (1)	CA1324906C (de)
DE (1)	DE68912487T2 (de)
DK (1)	DK160593C (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5932342A (en) *	1996-11-14	1999-08-03	Nashua Corporation	Optical diffusers obtained by fluid phase mixing of incompatible materials
US6424786B1 (en)	1996-12-02	2002-07-23	Honeywell International Inc.	Illumination assembly
WO1999001794A1 (en) *	1997-07-04	1999-01-14	Scan Vision Screen Aps	Rear projection screen
WO2001002882A1 (en) *	1999-07-02	2001-01-11	Thomson Licensing S.A.	Lenticular lens sheet for projection screen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2411557A1 (de) *	1974-03-11	1975-09-25	Mechanische Weberei Gmbh	Lichtbildprojektionswand
NL8004273A (nl) *	1979-10-10	1981-04-14	Bos C	Doorzichtscherm en werkwijze ter vervaardiging daarvan.
US4340275A (en) *	1980-06-09	1982-07-20	General Electric Company	Rear projection screen with patterned lenticular prismatic structure
US4418986A (en) *	1981-04-07	1983-12-06	Mitsubishi Rayon Co., Ltd.	Rear projection screen
JPS58176628A (ja) *	1982-04-09	1983-10-17	Mitsubishi Rayon Co Ltd	背面投影スクリ−ン
JPS59111138A (ja) *	1982-12-15	1984-06-27	Matsushita Electric Ind Co Ltd	透過型スクリ−ン
DK156188C (da) *	1983-05-10	1989-11-27	Scan Screen Production A S	Transparent baglysprojektionsskaerm

1988
- 1988-09-28 DK DK541388A patent/DK160593C/da not_active IP Right Cessation
1989
- 1989-05-16 US US07/352,329 patent/US4979800A/en not_active Expired - Lifetime
- 1989-09-27 KR KR89013883A patent/KR970009132B1/ko not_active Expired - Fee Related
- 1989-09-28 JP JP1253702A patent/JP2837192B2/ja not_active Expired - Fee Related
- 1989-09-28 DE DE89309881T patent/DE68912487T2/de not_active Expired - Fee Related
- 1989-09-28 CA CA000614015A patent/CA1324906C/en not_active Expired - Fee Related
- 1989-09-28 EP EP89309881A patent/EP0361918B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0361918B1 (de)	1994-01-19
DK160593B (da)	1991-03-25
JP2837192B2 (ja)	1998-12-14
KR900005222A (ko)	1990-04-13
CA1324906C (en)	1993-12-07
DK541388A (da)	1990-03-29
KR970009132B1 (en)	1997-06-05
DK160593C (da)	1991-09-09
DE68912487T2 (de)	1994-05-11
DK541388D0 (da)	1988-09-28
JPH02118561A (ja)	1990-05-02
US4979800A (en)	1990-12-25
EP0361918A2 (de)	1990-04-04
EP0361918A3 (en)	1990-07-18

Publication	Publication Date	Title
DE3884591D1 (de)	1993-11-04	Projektionsbildschirmanordnung.
FI905602L (fi)	1991-05-16	Fullfaergs tredimensionell projektionsdisplay.
DE3686328D1 (de)	1992-09-10	Transparenter projektionsschirm.
DE3885210D1 (de)	1993-12-02	Einteiliger Projektionsschirm.
DE68920396D1 (de)	1995-02-16	Bildprojektionsanordnung.
DE68907503D1 (de)	1993-08-19	Beruehrungsaktives bildschirmgeraet.
DE3785262D1 (de)	1993-05-13	Durchscheinender projektionsschirm.
DE68909641D1 (de)	1993-11-11	Projektionsdarstellungsgerät.
KR900007237A (ko)	1990-05-09	투영장치
FI904375A0 (fi)	1990-09-05	Seula
DE69020927D1 (de)	1995-08-24	Anzeigesteuerung.
NL190993C (nl)	1994-12-01	Schermconstructie.
DE68910710D1 (de)	1993-12-23	Blendschutzscheibe.
DE68911846D1 (de)	1994-02-10	Video-Bildschirm.
FR2660787B1 (fr)	1996-06-21	Ecran anechouide.
DE68906946D1 (de)	1993-07-15	Leuchte.
DE58904135D1 (de)	1993-05-27	Siebvorrichtung.
NO894866D0 (no)	1989-12-05	Skjermsimulatorvindu.
ES2021844B3 (es)	1991-11-16	Pantalla antideslumbramiento.
DE68912487D1 (de)	1994-03-03	Durchscheinender Projektionsschirm.
FR2625666B1 (fr)	1990-05-11	Ecran paravent
DE69017188D1 (de)	1995-03-30	Projektionsanzeigevorrichtung.
FI904319A0 (fi)	1990-08-31	Planetarium.
FI893398L (fi)	1990-01-23	Podium.
ES1006473Y (es)	1989-07-01	Mecedor.

Legal Events

Date	Code	Title
1995-01-26	8363	Opposition against the patent
1998-06-10	8365	Fully valid after opposition proceedings
2008-07-17	8339	Ceased/non-payment of the annual fee