FR2457517A1 - Montre electronique equipee d'un dispositif d'affichage a cristaux liquides - Google Patents

Montre electronique equipee d'un dispositif d'affichage a cristaux liquides

Info

Publication number
FR2457517A1
FR2457517A1 FR8011545A FR8011545A FR2457517A1 FR 2457517 A1 FR2457517 A1 FR 2457517A1 FR 8011545 A FR8011545 A FR 8011545A FR 8011545 A FR8011545 A FR 8011545A FR 2457517 A1 FR2457517 A1 FR 2457517A1
Authority
FR
France
Prior art keywords
time
liquid crystal
crystal display
display device
adjustment
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.)
Granted
Application number
FR8011545A
Other languages
English (en)
Other versions
FR2457517B1 (fr
Inventor
Masanori Fujita
Yoshihito Owa
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.)
Seikosha KK
Original Assignee
Seikosha 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 Seikosha KK filed Critical Seikosha KK
Publication of FR2457517A1 publication Critical patent/FR2457517A1/fr
Application granted granted Critical
Publication of FR2457517B1 publication Critical patent/FR2457517B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Electric Clocks (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Adornments (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

L'INVENTION CONCERNE L'HORLOGERIE. LE DISPOSITIF D'AFFICHAGE A CRISTAUX LIQUIDES D'UNE MONTRE ELECTRONIQUE COMPREND NOTAMMENT UN CERTAIN NOMBRE D'ELECTRODES DE SEGMENTS 36A QUI SONT ECLAIREES SELECTIVEMENT POUR SIMULER DES AIGUILLES. PENDANT UNE OPERATION DE MISE A L'HEURE DE LA MONTRE AU COURS DE LAQUELLE LA FREQUENCE DES IMPULSIONS QUI COMMANDENT LE PASSAGE D'UNE ELECTRODE A LA SUIVANTE EST AUGMENTEE, ON AUGMENTE EGALEMENT LA DUREE PENDANT LAQUELLE CHAQUE ELECTRODE EST ECLAIREE AFIN D'AUGMENTER LE CONTRASTE POUR QUE L'AFFICHAGE DEMEURE BIEN VISIBLE. APPLICATION AUX MONTRES ELECTRONIQUES A AFFICHAGE PAR CRISTAUX LIQUIDES.
FR8011545A 1979-05-23 1980-05-23 Montre electronique equipee d'un dispositif d'affichage a cristaux liquides Expired FR2457517B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54064169A JPS6051669B2 (ja) 1979-05-23 1979-05-23 電子時計

Publications (2)

Publication Number Publication Date
FR2457517A1 true FR2457517A1 (fr) 1980-12-19
FR2457517B1 FR2457517B1 (fr) 1985-06-28

Family

ID=13250285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8011545A Expired FR2457517B1 (fr) 1979-05-23 1980-05-23 Montre electronique equipee d'un dispositif d'affichage a cristaux liquides

Country Status (8)

Country Link
US (1) US4355381A (fr)
JP (1) JPS6051669B2 (fr)
CH (1) CH644245B (fr)
DE (1) DE3019865C2 (fr)
FR (1) FR2457517B1 (fr)
GB (1) GB2050657B (fr)
HK (1) HK56385A (fr)
SG (1) SG33185G (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62111689U (fr) * 1985-12-30 1987-07-16
US5056070A (en) * 1988-06-06 1991-10-08 Sony Corporation Timer programming apparatus
EP1150406B1 (fr) * 1999-10-20 2010-08-11 Mitsubishi Denki Kabushiki Kaisha Dispositif de commande
JP6005906B2 (ja) * 2010-06-17 2016-10-12 セイコーインスツル株式会社 表示装置及びこれを用いた電子機器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895372A (en) * 1973-01-24 1975-07-15 Hitachi Ltd Quick response liquid crystal display device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219979B2 (fr) * 1972-04-17 1977-05-31
JPS5221861A (en) * 1975-08-11 1977-02-18 Seiko Instr & Electronics Ltd Digital liquid-clystal electronic watch
DE2643937A1 (de) * 1976-09-29 1978-03-30 Seiko Instr & Electronics Elektronische uhr
US4209974A (en) * 1978-02-13 1980-07-01 Texas Instruments Incorporated Electronic timepiece circuits
GB2014337A (en) * 1978-02-13 1979-08-22 Texas Instruments Inc Electronic Timepiece

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895372A (en) * 1973-01-24 1975-07-15 Hitachi Ltd Quick response liquid crystal display device

Also Published As

Publication number Publication date
CH644245GA3 (fr) 1984-07-31
CH644245B (fr)
JPS6051669B2 (ja) 1985-11-15
GB2050657A (en) 1981-01-07
DE3019865C2 (de) 1990-07-12
FR2457517B1 (fr) 1985-06-28
US4355381A (en) 1982-10-19
GB2050657B (en) 1983-04-27
SG33185G (en) 1986-05-02
JPS55155286A (en) 1980-12-03
HK56385A (en) 1985-08-09
DE3019865A1 (de) 1980-11-27

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Legal Events

Date Code Title Description
DL Decision of the director general to leave to make available licences of right
ST Notification of lapse