GB1581575A - Viewing apparatus - Google Patents

Viewing apparatus Download PDF

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Publication number
GB1581575A
GB1581575A GB1846377A GB1846377A GB1581575A GB 1581575 A GB1581575 A GB 1581575A GB 1846377 A GB1846377 A GB 1846377A GB 1846377 A GB1846377 A GB 1846377A GB 1581575 A GB1581575 A GB 1581575A
Authority
GB
United Kingdom
Prior art keywords
image
station
light
viewing
layer
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
GB1846377A
Other languages
English (en)
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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
Priority claimed from US05/682,305 external-priority patent/US4125319A/en
Priority claimed from US05/682,304 external-priority patent/US4072411A/en
Priority claimed from US05/682,303 external-priority patent/US4057337A/en
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1581575A publication Critical patent/GB1581575A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/17—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on variable-absorption elements not provided for in groups G02F1/015 - G02F1/169
    • G02F1/172—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on variable-absorption elements not provided for in groups G02F1/015 - G02F1/169 based on a suspension of orientable dipolar particles, e.g. suspended particles displays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • G02B26/026—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light based on the rotation of particles under the influence of an external field, e.g. gyricons, twisting ball displays
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0128—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on electro-mechanical, magneto-mechanical, elasto-optic effects
    • 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
    • G03B21/10—Projectors with built-in or built-on screen
    • G03B21/11—Projectors with built-in or built-on screen for microfilm reading

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Liquid Crystal (AREA)
GB1846377A 1976-05-03 1977-05-03 Viewing apparatus Expired GB1581575A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/682,305 US4125319A (en) 1976-05-03 1976-05-03 Active light control device
US05/682,304 US4072411A (en) 1976-05-03 1976-05-03 Display device having image sense reversal capability
US05/682,303 US4057337A (en) 1976-05-03 1976-05-03 Compact viewer

Publications (1)

Publication Number Publication Date
GB1581575A true GB1581575A (en) 1980-12-17

Family

ID=27418400

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1846377A Expired GB1581575A (en) 1976-05-03 1977-05-03 Viewing apparatus

Country Status (3)

Country Link
DE (1) DE2719483A1 (fr)
FR (1) FR2350624A1 (fr)
GB (1) GB1581575A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2233809A (en) * 1989-07-12 1991-01-16 Alps Electric Co Ltd Display device and method

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4428873A (en) * 1980-08-30 1984-01-31 Kureha Kagaku Kogyo Kabushiki Kaisha Electrooptical element
US4657349A (en) * 1984-08-14 1987-04-14 Temple University Electro- and magneto-optic devices
FR2827052B1 (fr) * 2001-07-06 2003-09-26 Centre Nat Rech Scient Dispositif electro-optique perfectionne

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2233809A (en) * 1989-07-12 1991-01-16 Alps Electric Co Ltd Display device and method
US5105185A (en) * 1989-07-12 1992-04-14 Alps Electric Co., Ltd. Display method, device for realizing same and displaying medium used therefor
GB2233809B (en) * 1989-07-12 1993-12-15 Alps Electric Co Ltd Display device and method

Also Published As

Publication number Publication date
FR2350624A1 (fr) 1977-12-02
DE2719483A1 (de) 1977-11-24
FR2350624B1 (fr) 1979-07-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee