GB2164759B - A method of producing the first derivative of a two-dimensional image and an optical component for carrying out the method - Google Patents

A method of producing the first derivative of a two-dimensional image and an optical component for carrying out the method

Info

Publication number
GB2164759B
GB2164759B GB08522865A GB8522865A GB2164759B GB 2164759 B GB2164759 B GB 2164759B GB 08522865 A GB08522865 A GB 08522865A GB 8522865 A GB8522865 A GB 8522865A GB 2164759 B GB2164759 B GB 2164759B
Authority
GB
United Kingdom
Prior art keywords
derivative
producing
carrying
dimensional image
optical component
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
GB08522865A
Other languages
English (en)
Other versions
GB2164759A (en
GB8522865D0 (en
Inventor
Dr Klaus Dietrich
Anton Harasim
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.)
Airbus Defence and Space GmbH
Original Assignee
Messerschmitt Bolkow Blohm AG
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 Messerschmitt Bolkow Blohm AG filed Critical Messerschmitt Bolkow Blohm AG
Publication of GB8522865D0 publication Critical patent/GB8522865D0/en
Publication of GB2164759A publication Critical patent/GB2164759A/en
Application granted granted Critical
Publication of GB2164759B publication Critical patent/GB2164759B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
    • H10F39/10—Integrated devices
    • H10F39/12—Image sensors
    • H10F39/18—Complementary metal-oxide-semiconductor [CMOS] image sensors; Photodiode array image sensors
    • 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 
    • G02F1/03—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/055—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect the active material being a ceramic
    • G02F1/0558—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect the active material being a ceramic structurally associated with a photoconductive layer or exhibiting photo-refractive properties
    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
    • G02F1/1354—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied having a particular photoconducting structure or material
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
    • H10F39/10—Integrated devices
    • H10F39/12—Image sensors
    • H10F39/191—Photoconductor image sensors
    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
    • G02F1/1357—Electrode structure

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
GB08522865A 1984-09-19 1985-09-16 A method of producing the first derivative of a two-dimensional image and an optical component for carrying out the method Expired GB2164759B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843434388 DE3434388A1 (de) 1984-09-19 1984-09-19 Verfahren zur erzeugung der ersten ableitung eines zweidimensionalen bildes und optisches bauelement zur durchfuehrung des verfahrens

Publications (3)

Publication Number Publication Date
GB8522865D0 GB8522865D0 (en) 1985-10-23
GB2164759A GB2164759A (en) 1986-03-26
GB2164759B true GB2164759B (en) 1988-01-27

Family

ID=6245802

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08522865A Expired GB2164759B (en) 1984-09-19 1985-09-16 A method of producing the first derivative of a two-dimensional image and an optical component for carrying out the method

Country Status (4)

Country Link
US (1) US4812019A (enExample)
DE (1) DE3434388A1 (enExample)
FR (1) FR2570514B1 (enExample)
GB (1) GB2164759B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2626385B1 (fr) * 1988-01-22 1991-10-11 Thomson Csf Obturateur selectif de lumiere, procede de realisation et son application a un detecteur d'image
US5051570A (en) * 1989-01-20 1991-09-24 Nec Corporation Liquid crystal light valve showing an improved display contrast
FR2655163A1 (fr) * 1989-11-30 1991-05-31 Scanera Ste Civile Rech Dispositif de visualisation en faibles eclairements a couches de materiaux photo-electriques et electro-optiques.
GB2231989B (en) * 1989-05-24 1993-10-06 Stc Plc Neural networks
JPH0561064A (ja) * 1991-06-17 1993-03-12 Matsushita Electric Ind Co Ltd 光変調装置及び画像認識方法
DE102008002553B4 (de) 2008-06-20 2019-08-29 Robert Bosch Gmbh Bildaufnahmeanordnung und Nachtsichtsystem mit einer Bildaufnahmeanordnung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502875A (en) * 1967-07-06 1970-03-24 Baird Atomic Inc Electro-optic image converter utilizing an array of points in a pockels effect plate to establish differential retardation
US3932025A (en) * 1974-10-25 1976-01-13 Xerox Corporation Imaging system
ZA757388B (en) * 1974-12-16 1977-07-27 Photovoltaic Ceramic Corp Ferroelectric ceramic devices
US4037932A (en) * 1976-05-03 1977-07-26 Xerox Corporation Electrooptic-photoconductor sandwich using actinic readout light
IL54544A0 (en) * 1977-05-02 1978-07-31 Hughes Aircraft Co Liquid crystal light valve
US4191454A (en) * 1977-06-20 1980-03-04 Hughes Aircraft Company Continuous silicon MOS AC light valve substrate
GB1604206A (en) * 1977-06-20 1981-12-02 Hughes Aircraft Co Ac driven liquid crystal light valve
US4228449A (en) * 1978-12-26 1980-10-14 Hughes Aircraft Company Semiconductor diode array liquid crystal device
US4619501A (en) * 1985-01-08 1986-10-28 The United States Of America As Represented By The Secretary Of The Air Force Charge isolation in a spatial light modulator
US4643533A (en) * 1985-04-11 1987-02-17 The United States Of America As Represented By The Secretary Of The Air Force Differentiating spatial light modulator

Also Published As

Publication number Publication date
US4812019A (en) 1989-03-14
FR2570514A1 (fr) 1986-03-21
DE3434388C2 (enExample) 1987-06-19
GB2164759A (en) 1986-03-26
DE3434388A1 (de) 1986-06-26
GB8522865D0 (en) 1985-10-23
FR2570514B1 (fr) 1990-01-12

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Legal Events

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