CH769670A4 - - Google Patents

Info

Publication number
CH769670A4
CH769670A4 CH769670DD CH769670A4 CH 769670 A4 CH769670 A4 CH 769670A4 CH 769670D D CH769670D D CH 769670DD CH 769670 A4 CH769670 A4 CH 769670A4
Authority
CH
Switzerland
Application number
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 filed Critical
Publication of CH769670A4 publication Critical patent/CH769670A4/xx

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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details
    • G04G9/0035—Details constructional
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CH769670D 1970-05-25 1970-05-25 CH769670A4 (ref)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH769670A CH528775A (fr) 1970-05-25 1970-05-25 Elément d'affichage optoélectrique pour l'affichage de l'heure

Publications (1)

Publication Number Publication Date
CH769670A4 true CH769670A4 (ref) 1972-05-15

Family

ID=4329147

Family Applications (2)

Application Number Title Priority Date Filing Date
CH769670D CH769670A4 (ref) 1970-05-25 1970-05-25
CH769670A CH528775A (fr) 1970-05-25 1970-05-25 Elément d'affichage optoélectrique pour l'affichage de l'heure

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH769670A CH528775A (fr) 1970-05-25 1970-05-25 Elément d'affichage optoélectrique pour l'affichage de l'heure

Country Status (4)

Country Link
CH (2) CH769670A4 (ref)
DE (1) DE2121826A1 (ref)
FR (1) FR2091297A5 (ref)
GB (1) GB1303947A (ref)

Also Published As

Publication number Publication date
GB1303947A (ref) 1973-01-24
CH528775A (fr) 1972-05-15
DE2121826A1 (de) 1971-12-02
FR2091297A5 (ref) 1972-01-14

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