CA1034413A - Ecrans permettant un grand angle de vision par des techniques d'interference - Google Patents

Ecrans permettant un grand angle de vision par des techniques d'interference

Info

Publication number
CA1034413A
CA1034413A CA218,914A CA218914A CA1034413A CA 1034413 A CA1034413 A CA 1034413A CA 218914 A CA218914 A CA 218914A CA 1034413 A CA1034413 A CA 1034413A
Authority
CA
Canada
Prior art keywords
controlled angle
angle viewing
viewing screens
interference techniques
interference
Prior art date
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
CA218,914A
Other languages
English (en)
Inventor
Dietrich Meyerhofer
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
Application granted granted Critical
Publication of CA1034413A publication Critical patent/CA1034413A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
CA218,914A 1974-02-27 1975-01-29 Ecrans permettant un grand angle de vision par des techniques d'interference Expired CA1034413A (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 (1)

Publication Number Publication Date
CA1034413A true CA1034413A (fr) 1978-07-11

Family

ID=23772495

Family Applications (1)

Application Number Title Priority Date Filing Date
CA218,914A Expired CA1034413A (fr) 1974-02-27 1975-01-29 Ecrans permettant un grand angle de vision par des techniques d'interference

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 (29)

* 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
AU629170B2 (en) * 1987-06-01 1992-10-01 Nashua Corporation 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
WO1995034832A1 (fr) * 1992-12-15 1995-12-21 Thomson-Csf Ecran de projection holographique et procede de realisation
FR2699289B1 (fr) * 1992-12-15 1995-01-06 Thomson Csf Ecran de projection holographique et procédé de réalisation.
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
WO1995003935A1 (fr) * 1993-07-27 1995-02-09 Physical Optics Corporation Dispositif de destructuration et de mise en forme d'une source de lumiere
WO1995004303A1 (fr) * 1993-07-27 1995-02-09 Physical Optics Corporation Ecran de visualisation directionnel de grande luminosite
GB2287553A (en) 1994-03-10 1995-09-20 Sharp Kk A method of manufacturing a diffuser
WO1996007953A1 (fr) * 1994-09-06 1996-03-14 Philips Electronics N.V. Ecran de retroprojection
US5721630A (en) * 1996-03-12 1998-02-24 Polaroid Corporation High-efficiency reflective holographic diffuser and method for making thereof
US6618174B2 (en) * 1996-11-15 2003-09-09 Diffraction, Ltd In-line holographic mask for micromachining
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
KR100983484B1 (ko) * 2002-09-20 2010-09-27 허니웰 인터내셔널 인코포레이티드 고효율 뷰잉 스크린
US8004759B2 (en) * 2009-02-02 2011-08-23 Microsoft Corporation Diffusing screen
DE102022129523A1 (de) 2022-11-08 2024-05-08 Temicon Gmbh Optomechanisches Belichtungsverfahren zum Herstellen einer stochastisch strukturierten Oberfläche

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
JPS50122210A (fr) 1975-09-25
FR2262324A1 (fr) 1975-09-19
CH592319A5 (fr) 1977-10-31
DE2508152A1 (de) 1975-08-28
NL7502275A (nl) 1975-08-29
IT1031148B (it) 1979-04-30
GB1499135A (en) 1978-01-25
AU7843275A (en) 1976-08-26
BE826025A (fr) 1975-06-16
US3909111A (en) 1975-09-30
SE7501850L (fr) 1975-08-28
FR2262324B1 (fr) 1978-09-29

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