GB1465591A - Electro-optical display device for an electronic timepiece - Google Patents

Electro-optical display device for an electronic timepiece

Info

Publication number
GB1465591A
GB1465591A GB4020474A GB4020474A GB1465591A GB 1465591 A GB1465591 A GB 1465591A GB 4020474 A GB4020474 A GB 4020474A GB 4020474 A GB4020474 A GB 4020474A GB 1465591 A GB1465591 A GB 1465591A
Authority
GB
United Kingdom
Prior art keywords
plate
polarizer
voltage
display device
act
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
GB4020474A
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.)
SUISSE POUR LINDUSTRIE HORLOGE
Original Assignee
SUISSE POUR LINDUSTRIE HORLOGE
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 SUISSE POUR LINDUSTRIE HORLOGE filed Critical SUISSE POUR LINDUSTRIE HORLOGE
Publication of GB1465591A publication Critical patent/GB1465591A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Electric Clocks (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electroluminescent Light Sources (AREA)
GB4020474A 1973-09-21 1974-09-16 Electro-optical display device for an electronic timepiece Expired GB1465591A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1358973A CH585911B5 (fr) 1973-09-21 1973-09-21

Publications (1)

Publication Number Publication Date
GB1465591A true GB1465591A (en) 1977-02-23

Family

ID=4393691

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4020474A Expired GB1465591A (en) 1973-09-21 1974-09-16 Electro-optical display device for an electronic timepiece

Country Status (3)

Country Link
JP (1) JPS5065265A (fr)
CH (2) CH585911B5 (fr)
GB (1) GB1465591A (fr)

Also Published As

Publication number Publication date
CH1358973A4 (fr) 1976-07-30
CH585911B5 (fr) 1977-03-15
JPS5065265A (fr) 1975-06-02

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Legal Events

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