DK541388D0 - Baglysprojektionsskaerm - Google Patents

Baglysprojektionsskaerm

Info

Publication number
DK541388D0
DK541388D0 DK541388A DK541388A DK541388D0 DK 541388 D0 DK541388 D0 DK 541388D0 DK 541388 A DK541388 A DK 541388A DK 541388 A DK541388 A DK 541388A DK 541388 D0 DK541388 D0 DK 541388D0
Authority
DK
Denmark
Prior art keywords
projection screen
rear projection
screen
projection
Prior art date
Application number
DK541388A
Other languages
English (en)
Other versions
DK160593C (da
DK541388A (da
DK160593B (da
Inventor
Johannes Clausen
Erik Clausen
Original Assignee
Johannes Clausen
Erik Clausen
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
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=DK541388(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of DK541388D0 publication Critical patent/DK541388D0/da
Priority to DK541388A priority Critical patent/DK160593C/da
Application filed by Johannes Clausen, Erik Clausen filed Critical Johannes Clausen
Priority to US07/352,329 priority patent/US4979800A/en
Priority to KR89013883A priority patent/KR970009132B1/ko
Priority to EP89309881A priority patent/EP0361918B1/en
Priority to CA000614015A priority patent/CA1324906C/en
Priority to JP1253702A priority patent/JP2837192B2/ja
Priority to DE89309881T priority patent/DE68912487T2/de
Publication of DK541388A publication Critical patent/DK541388A/da
Publication of DK160593B publication Critical patent/DK160593B/da
Publication of DK160593C publication Critical patent/DK160593C/da
Application granted granted Critical

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
    • 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)
DK541388A 1988-09-28 1988-09-28 Baglysprojektionsskaerm DK160593C (da)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DK541388A DK160593C (da) 1988-09-28 1988-09-28 Baglysprojektionsskaerm
US07/352,329 US4979800A (en) 1988-09-28 1989-05-16 Rear-projection screen
KR89013883A KR970009132B1 (en) 1988-09-28 1989-09-27 Rear-projection screen
EP89309881A EP0361918B1 (en) 1988-09-28 1989-09-28 Rear-projection screen
CA000614015A CA1324906C (en) 1988-09-28 1989-09-28 Rear-projection screen
JP1253702A JP2837192B2 (ja) 1988-09-28 1989-09-28 背面投写スクリーン
DE89309881T DE68912487T2 (de) 1988-09-28 1989-09-28 Durchscheinender Projektionsschirm.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK541388 1988-09-28
DK541388A DK160593C (da) 1988-09-28 1988-09-28 Baglysprojektionsskaerm

Publications (4)

Publication Number Publication Date
DK541388D0 true DK541388D0 (da) 1988-09-28
DK541388A DK541388A (da) 1990-03-29
DK160593B DK160593B (da) 1991-03-25
DK160593C DK160593C (da) 1991-09-09

Family

ID=8142238

Family Applications (1)

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

Country Status (7)

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

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
DE69802552T2 (de) 1997-07-04 2002-06-27 Scan Vision Screen Aps, Roskilde Retroprojektionsschirm
AU5497500A (en) * 1999-07-02 2001-01-22 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

Also Published As

Publication number Publication date
JP2837192B2 (ja) 1998-12-14
JPH02118561A (ja) 1990-05-02
EP0361918B1 (en) 1994-01-19
DK160593C (da) 1991-09-09
DE68912487D1 (de) 1994-03-03
DE68912487T2 (de) 1994-05-11
CA1324906C (en) 1993-12-07
KR900005222A (ko) 1990-04-13
DK541388A (da) 1990-03-29
EP0361918A3 (en) 1990-07-18
US4979800A (en) 1990-12-25
EP0361918A2 (en) 1990-04-04
KR970009132B1 (en) 1997-06-05
DK160593B (da) 1991-03-25

Similar Documents

Publication Publication Date Title
DK687288A (da) Baglysprojektionsskaerm
DK541488A (da) Baglysprojektionsskaerm
DK223689D0 (da) Baglys projektionsskaerm
DK474088A (da) Bagprojektionsskaerm
DK551188A (da) Frontprojektionsskaerm
DE68920396D1 (de) Bildprojektionsanordnung.
BR9007185A (pt) Formador a tela dupla
AU102230S (en) A projection screen
KR900007237A (ko) 투영장치
FI904375A0 (fi) Seula
DK0496445T3 (da) Bagprojektionsskærm
DK0822443T3 (da) Baglysprojektionsskærm
ITTO910546A1 (it) Interruttore-selettore a cursore
DE68910710D1 (de) Blendschutzscheibe.
DE69211377D1 (de) Transparanter Projektionsschirm
DK14591D0 (da) Rumgitter
FI91488C (fi) Seula
DK160593C (da) Baglysprojektionsskaerm
FR2625666B1 (fr) Ecran paravent
DK191090A (da) Baglysprojektionsskaerm
DK178191D0 (da) Baglysprojektionsskaerm
DK131291A (da) Baglysprojektionsskaerm
KR910008001U (ko) 후면 투사 스크린
KR910001903U (ko) 배면 투사형 스크린
DK144490D0 (da) Baglys projektionsskaerm

Legal Events

Date Code Title Description
PBP Patent lapsed

Country of ref document: DK