GB1401066A - Information bearing devices and projection display systems therefor - Google Patents

Information bearing devices and projection display systems therefor

Info

Publication number
GB1401066A
GB1401066A GB5570672A GB5570672A GB1401066A GB 1401066 A GB1401066 A GB 1401066A GB 5570672 A GB5570672 A GB 5570672A GB 5570672 A GB5570672 A GB 5570672A GB 1401066 A GB1401066 A GB 1401066A
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
plate
electrodes
plates
permanent information
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
GB5570672A
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.)
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
Original Assignee
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
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 BBC BROWN BOVERI and CIE, BBC Brown Boveri AG Switzerland filed Critical BBC BROWN BOVERI and CIE
Publication of GB1401066A publication Critical patent/GB1401066A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • H04N9/3108—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators by using a single electronic spatial light modulator
    • 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • 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
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
GB5570672A 1971-12-03 1972-12-01 Information bearing devices and projection display systems therefor Expired GB1401066A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1759171A CH539315A (de) 1971-12-03 1971-12-03 Informationsträger für Projektionszwecke

Publications (1)

Publication Number Publication Date
GB1401066A true GB1401066A (en) 1975-07-16

Family

ID=4426564

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5570672A Expired GB1401066A (en) 1971-12-03 1972-12-01 Information bearing devices and projection display systems therefor

Country Status (7)

Country Link
US (1) US3895866A (enExample)
JP (1) JPS4865896A (enExample)
CH (1) CH539315A (enExample)
DE (1) DE2163684C3 (enExample)
FR (1) FR2164225A5 (enExample)
GB (1) GB1401066A (enExample)
NL (1) NL7216292A (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436378A (en) 1980-12-31 1984-03-13 International Business Machines Corporation Passive display module and system
GB2126399A (en) * 1982-06-14 1984-03-21 Canon Kk Display with permanent features
GB2142180A (en) * 1983-06-24 1985-01-09 Standard Telephones Cables Ltd Liquid crystal display cell
US4652101A (en) * 1984-04-13 1987-03-24 Grunwald Peter H Overhead projector
US4671634A (en) * 1985-03-19 1987-06-09 Casio Computer Co., Ltd. Liquid crystal projector

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4033685A (en) * 1974-01-12 1977-07-05 Canon Kabushiki Kaisha Film reader
US3936172A (en) * 1974-03-29 1976-02-03 Xerox Corporation Liquid crystalline platen for an electrophotographic printing machine
FR2380576A1 (fr) * 1977-02-15 1978-09-08 Raymond Joel Procede pour porter des indications ou reperes sur un support d'enregistrement et/ou de reproduction
JPS54100293A (en) * 1978-01-24 1979-08-07 Sharp Corp Electrochromic display unit
IL55032A (en) * 1978-06-29 1984-05-31 Stolov Michael Color picture display system including electronically controlled slides
DE2924101A1 (de) * 1978-06-29 1980-01-10 Michael Stolov Vielfarben-bildprojektions-system
US4368963A (en) * 1978-06-29 1983-01-18 Michael Stolov Multicolor image or picture projecting system using electronically controlled slides
FR2444956A1 (fr) * 1978-12-23 1980-07-18 Tokyo Shibaura Electric Co Dispositif d'affichage a cristaux liquides
JPS567011A (en) 1979-06-29 1981-01-24 Toshiba Corp Liquid crystal indicator driving system
DE2949665A1 (de) * 1979-12-11 1981-06-19 Hans Ing.(Grad.) 7340 Geislingen Renftle Geraet mit anzeigeelement
DE8007976U1 (de) * 1980-03-22 1980-06-19 Esge Elektrouhren Gmbh, 7442 Neuffen Elektrische Digitaluhr
US4493531A (en) * 1980-07-03 1985-01-15 Control Interface Company Limited Field sensitive optical displays, generation of fields therefor and scanning thereof
FR2496304A1 (fr) * 1980-12-11 1982-06-18 Dassault Electronique Dispositif de visualisation d'informations sur une image
DE3141662A1 (de) * 1981-10-21 1983-05-05 Brown, Boveri & Cie Ag, 6800 Mannheim Beleuchtungseinrichtung
USRE35409E (en) * 1982-09-24 1996-12-24 Moore; Sidney D. Electrically addressable opto-electronic indicator for making dynamic evaluations of microscopic or larger subjects
US4720804A (en) * 1984-08-08 1988-01-19 Moore Sidney D Electrically addressable opto-electronic indicator for making dynamic evaluations of microscopic or larger subjects
EP0127701A1 (en) * 1983-06-07 1984-12-12 Datelcare B.V. Apparatus for projecting a light image
DE3444944A1 (de) * 1983-12-22 1985-07-11 Teldix Gmbh, 6900 Heidelberg Kartengeraet
FR2559923B1 (fr) * 1984-02-22 1986-12-26 Commissariat Energie Atomique Systeme pour faire de la projection commentee de documents transparents ou de diapositives sur un ecran mural
JPS61169813A (ja) * 1985-01-23 1986-07-31 Canon Inc 光走査光学系
EP0192023A3 (en) * 1985-02-21 1986-10-08 Casio Computer Company Limited Liquid crystal projector
JPS61198270A (ja) * 1985-02-28 1986-09-02 富士通株式会社 投影形液晶表示装置、その方法および応用
JPS62127723A (ja) * 1985-11-28 1987-06-10 Agency Of Ind Science & Technol 資料の投影表示装置
JPH0758372B2 (ja) * 1985-12-20 1995-06-21 カシオ計算機株式会社 液晶表示装置
US4925295A (en) * 1986-03-17 1990-05-15 Casio Computer Co., Ltd. Projection display apparatus
US4770525A (en) * 1986-03-24 1988-09-13 Casio Computer Co., Ltd. Liquid crystal projector
US4787737A (en) * 1986-03-26 1988-11-29 Casio Computer Co., Ltd. Projection display apparatus
US4875064A (en) * 1986-08-06 1989-10-17 Casio Computer Co., Ltd. Projector apparatus with mirror means
US5161027A (en) * 1986-09-30 1992-11-03 The United States Of America As Represented By The Administrator, National Aeronautics And Space Administration Large area projection liquid-crystal video display system with inherent grid pattern optically removed
US5255029A (en) * 1987-04-30 1993-10-19 Nview Corporation Liquid crystal display for projection systems
US5187510A (en) * 1987-04-30 1993-02-16 Nview Corporation Liquid crystal display for projection systems
US5227821A (en) * 1987-04-30 1993-07-13 Nview Corporation Liquid crystal display for projection systems
JP2569632B2 (ja) * 1987-11-26 1997-01-08 カシオ計算機株式会社 背面投影型ディスプレイ
US4952925A (en) * 1988-01-25 1990-08-28 Bernd Haastert Projectable passive liquid-crystal flat screen information centers
US4953971A (en) * 1988-10-17 1990-09-04 Highfill Robert R Interactive image projection apparatus
US4991956A (en) * 1989-03-02 1991-02-12 Griffin Stephen L Apparatus for facilitating correlation with a transparency image
NL9000115A (nl) * 1990-01-18 1991-08-16 Philips Nv Inrichting voor het projecteren van televisiebeelden.
DE102010009944A1 (de) * 2010-03-04 2011-09-08 Jürgen Daszinnies Auf-Projektionswand für zwei- oder dreidimensionale Projektionen
EP2849172B1 (en) * 2013-09-16 2019-02-20 E.G.O. ELEKTRO-GERÄTEBAU GmbH Operating device and electric appliance with such an operating device
DE102014223455A1 (de) * 2014-11-18 2016-05-19 E.G.O. Elektro-Gerätebau GmbH Bedieneinrichtung für ein Elektrogerät und Elektrogerät

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2042604A (en) * 1935-07-08 1936-06-02 Edward S King Projector slide
US3576364A (en) * 1969-05-20 1971-04-27 Rca Corp Color advertising display employing liquid crystal
US3592527A (en) * 1969-11-12 1971-07-13 Gary H Conners Image display device
US3722998A (en) * 1970-10-19 1973-03-27 Eastman Kodak Co Liquid crystal apparatus for reducing contrast
US3718382A (en) * 1971-08-05 1973-02-27 Xerox Corp Liquid crystal imaging system in which an electrical field is created by an x-y address system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436378A (en) 1980-12-31 1984-03-13 International Business Machines Corporation Passive display module and system
GB2126399A (en) * 1982-06-14 1984-03-21 Canon Kk Display with permanent features
GB2142180A (en) * 1983-06-24 1985-01-09 Standard Telephones Cables Ltd Liquid crystal display cell
US4652101A (en) * 1984-04-13 1987-03-24 Grunwald Peter H Overhead projector
US4671634A (en) * 1985-03-19 1987-06-09 Casio Computer Co., Ltd. Liquid crystal projector

Also Published As

Publication number Publication date
CH539315A (de) 1973-07-15
DE2163684B2 (de) 1979-10-18
DE2163684A1 (de) 1973-06-07
US3895866A (en) 1975-07-22
FR2164225A5 (enExample) 1973-07-27
JPS4865896A (enExample) 1973-09-10
NL7216292A (enExample) 1973-06-05
DE2163684C3 (de) 1980-07-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee