FR2262324B1 - - Google Patents

Info

Publication number
FR2262324B1
FR2262324B1 FR7506186A FR7506186A FR2262324B1 FR 2262324 B1 FR2262324 B1 FR 2262324B1 FR 7506186 A FR7506186 A FR 7506186A FR 7506186 A FR7506186 A FR 7506186A FR 2262324 B1 FR2262324 B1 FR 2262324B1
Authority
FR
France
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
Application number
FR7506186A
Other versions
FR2262324A1 (fr
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 Corp
Original Assignee
RCA 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 Corp filed Critical RCA Corp
Publication of FR2262324A1 publication Critical patent/FR2262324A1/fr
Application granted granted Critical
Publication of FR2262324B1 publication Critical patent/FR2262324B1/fr
Expired legal-status Critical Current

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
FR7506186A 1974-02-27 1975-02-27 Expired FR2262324B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US446417A US3909111A (en) 1974-02-27 1974-02-27 Controlled angle viewing screens by interference techniques

Publications (2)

Publication Number Publication Date
FR2262324A1 FR2262324A1 (fr) 1975-09-19
FR2262324B1 true FR2262324B1 (fr) 1978-09-29

Family

ID=23772495

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7506186A Expired FR2262324B1 (fr) 1974-02-27 1975-02-27

Country Status (11)

Country Link
US (1) US3909111A (fr)
JP (1) JPS50122210A (fr)
BE (1) BE826025A (fr)
CA (1) CA1034413A (fr)
CH (1) CH592319A5 (fr)
DE (1) DE2508152A1 (fr)
FR (1) FR2262324B1 (fr)
GB (1) GB1499135A (fr)
IT (1) IT1031148B (fr)
NL (1) NL7502275A (fr)
SE (1) SE7501850L (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1462618A (en) * 1973-05-10 1977-01-26 Secretary Industry Brit Reducing the reflectance of surfaces to radiation
IL50125A (en) * 1976-07-26 1980-11-30 Yeda Res & Dev Holographic focusing screens
US4372639A (en) * 1981-06-03 1983-02-08 Hughes Aircraft Company Directional diffusing screen
US4682841A (en) * 1981-06-15 1987-07-28 Afian Viktor V Light radiation concentrator and method of making the same
JPS6155684A (ja) * 1984-08-27 1986-03-20 三菱レイヨン株式会社 光拡散装置
US4722037A (en) * 1986-08-15 1988-01-26 Davis Charles S Holographic device for generating multiple beams of light
US4713738A (en) * 1986-08-15 1987-12-15 Davis Charles S Light fixture using a holographic optical reflector
US4704666A (en) * 1986-08-15 1987-11-03 Davis Charles S Artificial light source utilizing a holographic optical element to control radiant light
GB2206979A (en) * 1987-06-01 1989-01-18 Scient Applied Research Sar Display system utilising light transmitting screen and method of manufacturing same
US5322747A (en) * 1989-03-22 1994-06-21 Hugle William B Method of manufacturing an optical disc
US5258863A (en) * 1992-02-21 1993-11-02 Eastman Kodak Company Method for effecting illumination of an arbitrary aperture
FR2699289B1 (fr) * 1992-12-15 1995-01-06 Thomson Csf Ecran de projection holographique et procédé de réalisation.
WO1995034832A1 (fr) * 1992-12-15 1995-12-21 Thomson-Csf Ecran de projection holographique et procede de realisation
DE69420290T2 (de) * 1993-06-15 1999-12-09 Nashua Corp Verfahren zur Herstellung einer Maske mit zufallsverteilten Oeffnungen zur Herstellung eines Streuschirms
US5617152A (en) * 1993-06-20 1997-04-01 Unic View Ltd. Projector system for video and computer generated information
US5706062A (en) * 1993-06-20 1998-01-06 Unic View Ltd. Projector system including keystone correction
CA2168107C (fr) * 1993-07-27 2001-02-13 Joel Petersen Dispositif servant a fractionner et a refaconner un rayon lumineux
CA2168106C (fr) * 1993-07-27 2002-08-20 Joel Petersen Ecran de visualisation directif a grande luminosite
GB2287553A (en) 1994-03-10 1995-09-20 Sharp Kk A method of manufacturing a diffuser
DE69526641T2 (de) * 1994-09-06 2003-01-30 Koninkl Philips Electronics Nv Rückprojektionsschirm
US5721630A (en) * 1996-03-12 1998-02-24 Polaroid Corporation High-efficiency reflective holographic diffuser and method for making thereof
CA2688799C (fr) * 1996-11-15 2014-09-30 Marsupial Holdings, Inc. Masque holographique en ligne destine au micro-usinage
EP0849649A3 (fr) 1996-12-20 1999-05-12 Denso Corporation Hologramme et sa méthode de fabrication
US5999281A (en) * 1997-02-28 1999-12-07 Polaroid Corporation Holographic projection screen combining an elliptical holographic diffuser and a cylindrical light-collimator
US5796499A (en) * 1997-02-28 1998-08-18 Polaroid Corporation Transmission holographic diffuser made and used to effect lateral color constancy in rear screen projection display systems
DE10038749A1 (de) * 2000-08-09 2002-02-28 Fraunhofer Ges Forschung Verfahren und Vorrichtung zur Herstellung einer optisch antireflektierenden Oberfläche
MXPA05003106A (es) * 2002-09-20 2005-06-22 Honeywell Int Inc Pantalla de visualizacion de alta eficiencia.
US8004759B2 (en) * 2009-02-02 2011-08-23 Microsoft Corporation Diffusing screen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1161824A (en) * 1909-06-24 1915-11-23 Sinpar Company Photographic screen for half-tone work.
US1699224A (en) * 1922-05-23 1929-01-15 Comstock & Wescott Headlight screen or lens
US2364369A (en) * 1942-02-05 1944-12-05 Eastman Kodak Co Diffusing screen
US3802769A (en) * 1972-08-28 1974-04-09 Harris Intertype Corp Method and apparatus for unaided stereo viewing

Also Published As

Publication number Publication date
GB1499135A (en) 1978-01-25
JPS50122210A (fr) 1975-09-25
CA1034413A (fr) 1978-07-11
US3909111A (en) 1975-09-30
DE2508152A1 (de) 1975-08-28
BE826025A (fr) 1975-06-16
AU7843275A (en) 1976-08-26
CH592319A5 (fr) 1977-10-31
NL7502275A (nl) 1975-08-29
IT1031148B (it) 1979-04-30
FR2262324A1 (fr) 1975-09-19
SE7501850L (fr) 1975-08-28

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Legal Events

Date Code Title Description
ST Notification of lapse