CH1277071A4 - Display device for timepiece - Google Patents

Display device for timepiece

Info

Publication number
CH1277071A4
CH1277071A4 CH1277071D CH1277071D CH1277071A4 CH 1277071 A4 CH1277071 A4 CH 1277071A4 CH 1277071 D CH1277071 D CH 1277071D CH 1277071 D CH1277071 D CH 1277071D CH 1277071 A4 CH1277071 A4 CH 1277071A4
Authority
CH
Switzerland
Prior art keywords
timepiece
display device
display
Prior art date
Application number
CH1277071D
Other languages
French (fr)
Inventor
Robert Collins Dean
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of CH1277071A4 publication Critical patent/CH1277071A4/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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/12—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Electric Clocks (AREA)
  • Liquid Crystal (AREA)
CH1277071D 1970-08-31 1971-08-31 Display device for timepiece CH1277071A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6820770A 1970-08-31 1970-08-31

Publications (1)

Publication Number Publication Date
CH1277071A4 true CH1277071A4 (en) 1974-11-15

Family

ID=22081096

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1277071D CH1277071A4 (en) 1970-08-31 1971-08-31 Display device for timepiece

Country Status (3)

Country Link
CH (1) CH1277071A4 (en)
DE (1) DE2143546B2 (en)
FR (1) FR2108211B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2232632C3 (en) * 1972-07-03 1981-09-17 Metall-Invent S.A., Zug Display device

Also Published As

Publication number Publication date
FR2108211B1 (en) 1975-06-06
FR2108211A1 (en) 1972-05-19
DE2143546A1 (en) 1972-03-09
DE2143546B2 (en) 1977-03-31

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Legal Events

Date Code Title Description
AZW Rejection (application)