KR970009132B1 - Rear-projection screen - Google Patents

Rear-projection screen Download PDF

Info

Publication number
KR970009132B1
KR970009132B1 KR89013883A KR890013883A KR970009132B1 KR 970009132 B1 KR970009132 B1 KR 970009132B1 KR 89013883 A KR89013883 A KR 89013883A KR 890013883 A KR890013883 A KR 890013883A KR 970009132 B1 KR970009132 B1 KR 970009132B1
Authority
KR
South Korea
Prior art keywords
projection screen
projection
screen
Prior art date
Application number
KR89013883A
Other languages
English (en)
Other versions
KR900005222A (ko
Inventor
Clausen Johanness
Clausen Erik
Original Assignee
Dainippon Printing Kk
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=KR970009132(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dainippon Printing Kk filed Critical Dainippon Printing Kk
Publication of KR900005222A publication Critical patent/KR900005222A/ko
Application granted granted Critical
Publication of KR970009132B1 publication Critical patent/KR970009132B1/ko

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)
KR89013883A 1988-09-28 1989-09-27 Rear-projection screen KR970009132B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK541388A DK160593C (da) 1988-09-28 1988-09-28 Baglysprojektionsskaerm
DK5413/88 1988-09-28

Publications (2)

Publication Number Publication Date
KR900005222A KR900005222A (ko) 1990-04-13
KR970009132B1 true KR970009132B1 (en) 1997-06-05

Family

ID=8142238

Family Applications (1)

Application Number Title Priority Date Filing Date
KR89013883A KR970009132B1 (en) 1988-09-28 1989-09-27 Rear-projection screen

Country Status (7)

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

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
US6304378B1 (en) 1997-07-04 2001-10-16 Scan Vision Screen Aps Rear projection screen assembly having a projection screen with reflecting rib lenses
US6545813B1 (en) * 1999-07-02 2003-04-08 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
DE68912487T2 (de) 1994-05-11
EP0361918B1 (en) 1994-01-19
CA1324906C (en) 1993-12-07
DE68912487D1 (de) 1994-03-03
DK160593B (da) 1991-03-25
DK541388A (da) 1990-03-29
EP0361918A2 (en) 1990-04-04
JP2837192B2 (ja) 1998-12-14
EP0361918A3 (en) 1990-07-18
JPH02118561A (ja) 1990-05-02
US4979800A (en) 1990-12-25
DK160593C (da) 1991-09-09
KR900005222A (ko) 1990-04-13
DK541388D0 (da) 1988-09-28

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Legal Events

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A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20080717

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee