IT1012543B - MINIATUED DISPLAY DEVICE USING LIQUID CRYSTALS PARTICULARLY USEFUL FOR WRIST WATCHES - Google Patents

MINIATUED DISPLAY DEVICE USING LIQUID CRYSTALS PARTICULARLY USEFUL FOR WRIST WATCHES

Info

Publication number
IT1012543B
IT1012543B IT19954/74A IT1995474A IT1012543B IT 1012543 B IT1012543 B IT 1012543B IT 19954/74 A IT19954/74 A IT 19954/74A IT 1995474 A IT1995474 A IT 1995474A IT 1012543 B IT1012543 B IT 1012543B
Authority
IT
Italy
Prior art keywords
miniatued
display device
particularly useful
liquid crystals
wrist watches
Prior art date
Application number
IT19954/74A
Other languages
Italian (it)
Original Assignee
Suncrux Research Office Kk
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 Suncrux Research Office Kk filed Critical Suncrux Research Office Kk
Application granted granted Critical
Publication of IT1012543B publication Critical patent/IT1012543B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/40—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
    • G01R13/404—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values
    • G01R13/407—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values using a plurality of passive display elements, e.g. liquid crystal or Kerr-effect display elements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/02—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques
    • G04G9/06—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
    • G04G9/062—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals using multiplexing techniques

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Electric Clocks (AREA)
  • Indicating Measured Values (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
IT19954/74A 1973-12-19 1974-01-30 MINIATUED DISPLAY DEVICE USING LIQUID CRYSTALS PARTICULARLY USEFUL FOR WRIST WATCHES IT1012543B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48143331A JPS5753558B2 (en) 1973-12-19 1973-12-19

Publications (1)

Publication Number Publication Date
IT1012543B true IT1012543B (en) 1977-03-10

Family

ID=15336285

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19954/74A IT1012543B (en) 1973-12-19 1974-01-30 MINIATUED DISPLAY DEVICE USING LIQUID CRYSTALS PARTICULARLY USEFUL FOR WRIST WATCHES

Country Status (8)

Country Link
JP (1) JPS5753558B2 (en)
BE (1) BE810189A (en)
CA (1) CA1011842A (en)
CH (1) CH616817GA3 (en)
DE (1) DE2403172B2 (en)
FR (1) FR2289021A1 (en)
IT (1) IT1012543B (en)
NL (1) NL165314C (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5552467Y2 (en) * 1974-01-23 1980-12-05
NL7405724A (en) * 1974-04-29 1975-10-31 Philips Nv DISPLAY DEVICE FOR A COUNTER SUCH AS A CLOCK OR WATCH.
GB1564032A (en) * 1975-11-18 1980-04-02 Citizen Watch Co Ltd Method and device fordriving liquid crystal display matrix
JPS52122097A (en) * 1976-04-06 1977-10-13 Citizen Watch Co Ltd Electric optical display unit
FR2365174A1 (en) * 1976-09-17 1978-04-14 Commissariat Energie Atomique PROCEDURE FOR CONTROLLING AN ANALOGUE DISCONTINUOUS BAND OF LIQUID CRYSTAL DISPLAY DEVICE AND CIRCUIT FOR IMPLEMENTING THIS PROCESS
CH601826A5 (en) * 1976-12-24 1978-07-14 Bbc Brown Boveri & Cie
DE2707798A1 (en) * 1977-02-23 1978-08-24 Seikosha Kk Multi-digit liq. crystal indicator control system - has several selectable electrodes and one control electrode with liq. crystal between them
CH618535A5 (en) * 1977-07-01 1980-07-31 Bbc Brown Boveri & Cie
JPS5457969U (en) * 1977-09-30 1979-04-21
JPS54154297A (en) * 1978-05-26 1979-12-05 Kanto Seiki Co Method of driving liquid crystal bar graph dispaly
JPS554490U (en) * 1978-06-26 1980-01-12
JPS5590997A (en) * 1978-12-29 1980-07-10 Seikosha Kk Display driver
JPS55114986A (en) * 1979-02-27 1980-09-04 Seikosha Co Ltd Needle display unit
JPS55163487A (en) * 1979-06-07 1980-12-19 Seikosha Co Ltd Displaying device
JPS55164395A (en) * 1979-06-11 1980-12-22 Seikosha Co Ltd Timer
DE3101458A1 (en) * 1981-01-19 1982-08-26 Siemens AG, 1000 Berlin und 8000 München METHOD FOR DRIVING A FLOWING LIQUID CRYSTAL BAND DISPLAY
DE3102483A1 (en) * 1981-01-26 1982-08-19 Siemens AG, 1000 Berlin und 8000 München MONOLITHICALLY INTEGRATED CONTROL CIRCUIT FOR A NEMATIC DISPLAY UNIT
JPH03116546U (en) * 1990-03-07 1991-12-03

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5229938A (en) * 1975-09-02 1977-03-07 Pioneer Electronic Corp Detection apparatus for the operation of electric machiens

Also Published As

Publication number Publication date
DE2403172A1 (en) 1975-07-10
FR2289021A1 (en) 1976-05-21
CA1011842A (en) 1977-06-07
NL165314B (en) 1980-10-15
NL165314C (en) 1981-03-16
NL7400448A (en) 1975-06-23
BE810189A (en) 1974-05-16
CH616817GA3 (en) 1980-04-30
CH616817B (en)
JPS5753558B2 (en) 1982-11-13
DE2403172B2 (en) 1979-08-30
FR2289021B1 (en) 1980-07-25
JPS5093474A (en) 1975-07-25

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