CH599616B5 - - Google Patents

Info

Publication number
CH599616B5
CH599616B5 CH1397375A CH1397375A CH599616B5 CH 599616 B5 CH599616 B5 CH 599616B5 CH 1397375 A CH1397375 A CH 1397375A CH 1397375 A CH1397375 A CH 1397375A CH 599616 B5 CH599616 B5 CH 599616B5
Authority
CH
Switzerland
Application number
CH1397375A
Inventor
Ali Schneiter
Original Assignee
Ebauches Sa
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 Ebauches Sa filed Critical Ebauches Sa
Priority to CH1397375A priority Critical patent/CH599616B5/xx
Priority to CH1397375D priority patent/CH1397375A4/xx
Priority to US05/734,552 priority patent/US4068230A/en
Publication of CH599616B5 publication Critical patent/CH599616B5/xx

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
    • G04G9/0029—Details
    • G04G9/0035—Details constructional
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133504—Diffusing, scattering, diffracting elements

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CH1397375A 1975-10-28 1975-10-28 CH599616B5 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH1397375A CH599616B5 (de) 1975-10-28 1975-10-28
CH1397375D CH1397375A4 (de) 1975-10-28 1975-10-28
US05/734,552 US4068230A (en) 1975-10-28 1976-10-21 Passive electro-optic display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1397375A CH599616B5 (de) 1975-10-28 1975-10-28

Publications (1)

Publication Number Publication Date
CH599616B5 true CH599616B5 (de) 1978-05-31

Family

ID=4396866

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1397375D CH1397375A4 (de) 1975-10-28 1975-10-28
CH1397375A CH599616B5 (de) 1975-10-28 1975-10-28

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1397375D CH1397375A4 (de) 1975-10-28 1975-10-28

Country Status (2)

Country Link
US (1) US4068230A (de)
CH (2) CH1397375A4 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6364485B1 (en) 1996-08-02 2002-04-02 Vega Vista, Inc. Methods and systems for relieving eye strain
US6042231A (en) * 1996-08-02 2000-03-28 Vega Vista, Inc. Methods and systems for relieving eye strain
US6076928A (en) * 1998-06-15 2000-06-20 Fateh; Sina Ideal visual ergonomic system for computer users

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3406476A (en) * 1966-03-03 1968-10-22 Wilcox Lucia Method and apparatus for exhibiting ornamental designs
US3468545A (en) * 1966-08-29 1969-09-23 Pictorial Prod Inc Golfer's head movement indicating device
IL40825A (en) * 1972-11-13 1977-03-31 Stolov M Digital display device
CH566610A5 (de) * 1973-01-03 1975-09-15 Battelle Memorial Institute

Also Published As

Publication number Publication date
CH1397375A4 (de) 1977-07-29
US4068230A (en) 1978-01-10

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Legal Events

Date Code Title Description
PL Patent ceased