ATE74674T1 - Zweidimensionales optisches informationsverarbeitungsgeraet. - Google Patents

Zweidimensionales optisches informationsverarbeitungsgeraet.

Info

Publication number
ATE74674T1
ATE74674T1 AT85307641T AT85307641T ATE74674T1 AT E74674 T1 ATE74674 T1 AT E74674T1 AT 85307641 T AT85307641 T AT 85307641T AT 85307641 T AT85307641 T AT 85307641T AT E74674 T1 ATE74674 T1 AT E74674T1
Authority
AT
Austria
Prior art keywords
information processing
processing device
optical information
dimensional optical
smectic
Prior art date
Application number
AT85307641T
Other languages
English (en)
Inventor
William Alden Crossland
Anthony Barnard Davey
Neil Collings
Matthew Francis Bone
Original Assignee
Northern Telecom Ltd
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 GB08428811A external-priority patent/GB2166258B/en
Application filed by Northern Telecom Ltd filed Critical Northern Telecom Ltd
Application granted granted Critical
Publication of ATE74674T1 publication Critical patent/ATE74674T1/de

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 
    • G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—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 liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—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 liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/141—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 liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Image Analysis (AREA)
  • Holo Graphy (AREA)
AT85307641T 1984-11-14 1985-10-23 Zweidimensionales optisches informationsverarbeitungsgeraet. ATE74674T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08428811A GB2166258B (en) 1984-10-25 1984-11-14 Two dimensional optical information processing apparatus

Publications (1)

Publication Number Publication Date
ATE74674T1 true ATE74674T1 (de) 1992-04-15

Family

ID=10569737

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85307641T ATE74674T1 (de) 1984-11-14 1985-10-23 Zweidimensionales optisches informationsverarbeitungsgeraet.

Country Status (6)

Country Link
US (1) US4722594A (de)
EP (1) EP0182509B1 (de)
JP (1) JPS61122628A (de)
AT (1) ATE74674T1 (de)
AU (1) AU573402B2 (de)
DE (1) DE3585820D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8608116D0 (en) * 1986-04-03 1986-05-08 Secr Defence Liquid crystal devices
ATE98381T1 (de) * 1987-04-07 1993-12-15 Hoechst Ag Verwendung von verbindungen oder gemischen von verbindungen, die eine chirale, orthogonale, hoeher geordnete smektische phase aufweisen, im bereich dieser phase als schalt- oder anzeigemedium.
GB8726996D0 (en) * 1987-11-18 1987-12-23 Secr Defence Multiplex addressing of ferro-electric liquid crystal displays
KR900018725A (ko) * 1988-05-12 1990-12-22 야마자끼 순페이 액정 전자 광학 장치
US5132811A (en) * 1989-08-10 1992-07-21 Seiko Instruments Inc. Holographic operating optical apparatus
US5539555A (en) * 1990-07-20 1996-07-23 Displaytech, Inc. High contrast distorted helex effect electro-optic devices and tight ferroelectric pitch ferroelectric liquid crystal compositions useful therein
US5233554A (en) * 1990-09-10 1993-08-03 United Technologies Corporation Programmable optical correlator
US5216415A (en) * 1990-12-19 1993-06-01 Sumitomo Electric Industries, Ltd. Method of driving a matrix-type liquid crystal display device
US5189294A (en) * 1992-07-08 1993-02-23 The United States Of America As Represented By The Secretary Of The Air Force Transform lens with a plurality of sliced lens segments
US5400047A (en) * 1993-11-10 1995-03-21 Beesely; Dwayne E. High brightness thin film electroluminescent display with low OHM electrodes
WO1995015513A1 (en) * 1993-11-30 1995-06-08 Isis Innovation Limited Improvements relating to spatial light modulators
JP3455791B2 (ja) * 1995-12-25 2003-10-14 独立行政法人産業技術総合研究所 光演算処理装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624605A (en) * 1968-12-13 1971-11-30 Honeywell Inc Optical character recognition system and method
FR2499735A1 (fr) * 1981-02-06 1982-08-13 Thomson Csf Dispositif optique transformateur de fourier et correlateur optique mettant en oeuvre ce dispositif optique transformateur de fourier
US4404555A (en) * 1981-06-09 1983-09-13 Northern Telecom Limited Addressing scheme for switch controlled liquid crystal displays
DE3376692D1 (en) * 1982-06-29 1988-06-23 Secr Defence Brit Liquid crystal devices
US4596446B2 (en) * 1982-06-29 1997-03-18 Secr Defence Brit Liquid crystal devices with particular cholestric pitch-cell thickness ratio
GB2129954B (en) * 1982-10-22 1986-03-05 Stc Plc Liquid crystal display device
GB2146473B (en) * 1983-09-10 1987-03-11 Standard Telephones Cables Ltd Addressing liquid crystal displays
FR2557719B1 (fr) * 1984-01-03 1986-04-11 Thomson Csf Dispositif de visualisation a memoire utilisant un materiau ferroelectrique
GB2154092A (en) * 1984-02-07 1985-08-29 Standard Telephones Cables Ltd Optical correlator
GB2154331B (en) * 1984-02-16 1987-07-01 Standard Telephones Cables Ltd Coherent light optical processor
JPS60188925A (ja) * 1984-03-09 1985-09-26 Canon Inc 光学変調素子の製造法
JPS60220316A (ja) * 1984-04-16 1985-11-05 Canon Inc 液晶光学素子
JPS6167836A (ja) * 1984-09-11 1986-04-08 Canon Inc 液晶素子の駆動法
JPS6170530A (ja) * 1984-09-14 1986-04-11 Canon Inc 液晶素子の駆動法
GB2166256B (en) * 1984-10-25 1988-06-08 Stc Plc Ferroelectric liquid crystal display cells

Also Published As

Publication number Publication date
US4722594A (en) 1988-02-02
EP0182509B1 (de) 1992-04-08
DE3585820D1 (de) 1992-05-14
JPS61122628A (ja) 1986-06-10
AU4987685A (en) 1986-05-22
EP0182509A2 (de) 1986-05-28
AU573402B2 (en) 1988-06-09
EP0182509A3 (en) 1988-04-27

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Legal Events

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