CH607604GA3 - - Google Patents

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Publication number
CH607604GA3
CH607604GA3 CH1382473A CH1382473A CH607604GA3 CH 607604G A3 CH607604G A3 CH 607604GA3 CH 1382473 A CH1382473 A CH 1382473A CH 1382473 A CH1382473 A CH 1382473A CH 607604G A3 CH607604G A3 CH 607604GA3
Authority
CH
Switzerland
Prior art keywords
crystal
located past
face
polarizer
electrodes
Prior art date
Application number
CH1382473A
Other versions
CH607604B (en
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
Publication of CH607604B publication Critical patent/CH607604B/en
Application filed filed Critical
Priority to CH1382473A priority Critical patent/CH607604B/en
Priority to GB39192/74A priority patent/GB1484142A/en
Priority to US05/504,891 priority patent/US4085576A/en
Priority to JP49111367A priority patent/JPS5062074A/ja
Publication of CH607604GA3 publication Critical patent/CH607604GA3/xx

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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 
    • G02F1/03—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
    • G02F1/05—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 with ferro-electric properties
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electric Clocks (AREA)
  • Liquid Crystal (AREA)
  • Calculators And Similar Devices (AREA)
  • Credit Cards Or The Like (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

Disclosed is an electronic timepiece display arrangement in which certain ferroelectric monocrystals having two stable optical states may be switched from one state to another by voltage pulses applied through electrodes. A polarizing filter is located past one face of the crystal and a reflecting surface is located past the opposite face. A second crystal and a second polarizer are employed in certain embodiments.
CH1382473A 1973-09-27 1973-09-27 SOLID CRYSTAL MEMORY DISPLAY DEVICE FOR ELECTRONIC WATCH PART. CH607604B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH1382473A CH607604B (en) 1973-09-27 1973-09-27 SOLID CRYSTAL MEMORY DISPLAY DEVICE FOR ELECTRONIC WATCH PART.
GB39192/74A GB1484142A (en) 1973-09-27 1974-09-09 Monocrystalline display device with storage effect for an electronic timepiece
US05/504,891 US4085576A (en) 1973-09-27 1974-09-11 Monocrystalline display device with storage effect for an electronic timepiece
JP49111367A JPS5062074A (en) 1973-09-27 1974-09-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1382473A CH607604B (en) 1973-09-27 1973-09-27 SOLID CRYSTAL MEMORY DISPLAY DEVICE FOR ELECTRONIC WATCH PART.

Publications (2)

Publication Number Publication Date
CH607604B CH607604B (en)
CH607604GA3 true CH607604GA3 (en) 1978-09-29

Family

ID=4395639

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1382473A CH607604B (en) 1973-09-27 1973-09-27 SOLID CRYSTAL MEMORY DISPLAY DEVICE FOR ELECTRONIC WATCH PART.

Country Status (4)

Country Link
US (1) US4085576A (en)
JP (1) JPS5062074A (en)
CH (1) CH607604B (en)
GB (1) GB1484142A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6159312A (en) * 1984-08-30 1986-03-26 Ricoh Co Ltd optical element
JPH01105910A (en) * 1987-10-19 1989-04-24 Meidensha Corp Projector using thin film light valve
GB2287327A (en) * 1994-03-02 1995-09-13 Sharp Kk Electro-optic apparatus
US5750272A (en) * 1995-02-10 1998-05-12 The Research Foundation Of State University Of New York Active and adaptive damping devices for shock and noise suppression
US11822157B2 (en) * 2019-04-12 2023-11-21 Amazon Technologies, Inc. Energy efficient, high resolution light detection and ranging imaging receiver with large field-of-view

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374473A (en) * 1967-04-12 1968-03-19 Stewart E. Cummins Bistable optically read ferroelectric memory device
US3661442A (en) * 1969-03-25 1972-05-09 Hitachi Ltd Electrically operated optical shutter
JPS4711874A (en) * 1970-11-05 1972-06-14
JPS5636405B2 (en) * 1971-09-18 1981-08-24
GB1407299A (en) * 1971-12-27 1975-09-24 Suwa Seikosha Kk Display device
US3807830A (en) * 1972-03-06 1974-04-30 Us Air Force Birefringence read {11 {11 {11 {11 display and memory device
US3799647A (en) * 1972-05-24 1974-03-26 Honeywell Inc Constant visibility electro-optic display
JPS4946974A (en) * 1972-09-11 1974-05-07
JPS5647535B2 (en) * 1973-07-30 1981-11-10

Also Published As

Publication number Publication date
US4085576A (en) 1978-04-25
CH607604B (en)
JPS5062074A (en) 1975-05-27
GB1484142A (en) 1977-08-24

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Legal Events

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PL Patent ceased