CH528775A - Optoelectric display element for displaying the time - Google Patents

Optoelectric display element for displaying the time

Info

Publication number
CH528775A
CH528775A CH769670A CH769670A CH528775A CH 528775 A CH528775 A CH 528775A CH 769670 A CH769670 A CH 769670A CH 769670 A CH769670 A CH 769670A CH 528775 A CH528775 A CH 528775A
Authority
CH
Switzerland
Prior art keywords
displaying
time
display element
optoelectric display
optoelectric
Prior art date
Application number
CH769670A
Other languages
French (fr)
Inventor
Maire Pierre-Andre
Portmann Hubert
Original Assignee
Longines Montres Comp D
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 Longines Montres Comp D filed Critical Longines Montres Comp D
Priority to CH769670A priority Critical patent/CH528775A/en
Priority to CH769670D priority patent/CH769670A4/xx
Priority to DE19712121826 priority patent/DE2121826A1/en
Priority to GB1305471A priority patent/GB1303947A/en
Priority to FR7116394A priority patent/FR2091297A5/fr
Publication of CH528775A publication Critical patent/CH528775A/en

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)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CH769670A 1970-05-25 1970-05-25 Optoelectric display element for displaying the time CH528775A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH769670A CH528775A (en) 1970-05-25 1970-05-25 Optoelectric display element for displaying the time
CH769670D CH769670A4 (en) 1970-05-25 1970-05-25
DE19712121826 DE2121826A1 (en) 1970-05-25 1971-05-03 Opto-electrical display element
GB1305471A GB1303947A (en) 1970-05-25 1971-05-04
FR7116394A FR2091297A5 (en) 1970-05-25 1971-05-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH769670A CH528775A (en) 1970-05-25 1970-05-25 Optoelectric display element for displaying the time

Publications (1)

Publication Number Publication Date
CH528775A true CH528775A (en) 1972-05-15

Family

ID=4329147

Family Applications (2)

Application Number Title Priority Date Filing Date
CH769670A CH528775A (en) 1970-05-25 1970-05-25 Optoelectric display element for displaying the time
CH769670D CH769670A4 (en) 1970-05-25 1970-05-25

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH769670D CH769670A4 (en) 1970-05-25 1970-05-25

Country Status (4)

Country Link
CH (2) CH528775A (en)
DE (1) DE2121826A1 (en)
FR (1) FR2091297A5 (en)
GB (1) GB1303947A (en)

Also Published As

Publication number Publication date
FR2091297A5 (en) 1972-01-14
DE2121826A1 (en) 1971-12-02
GB1303947A (en) 1973-01-24
CH769670A4 (en) 1972-05-15

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Legal Events

Date Code Title Description
PL Patent ceased