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GB1358707A - Solid state timepiece with liquid crystal display - Google Patents

Solid state timepiece with liquid crystal display

Info

Publication number
GB1358707A
GB1358707A GB5367171A GB5367171A GB1358707A GB 1358707 A GB1358707 A GB 1358707A GB 5367171 A GB5367171 A GB 5367171A GB 5367171 A GB5367171 A GB 5367171A GB 1358707 A GB1358707 A GB 1358707A
Authority
GB
United Kingdom
Prior art keywords
display
liquid crystal
crystal
transistor
watch
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.)
Expired
Application number
GB5367171A
Other languages
English (en)
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.)
Hamilton Watch Co
Original Assignee
Hamilton Watch Co
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 Hamilton Watch Co filed Critical Hamilton Watch Co
Publication of GB1358707A publication Critical patent/GB1358707A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G9/00Visual time or date indication means
    • G04G9/0023Visual time or date indication means by light valves in general
    • G04G9/0029Details
    • G04G9/0047Details electrical, e.g. selection or application of the operating voltage
    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G9/00Visual time or date indication means
    • G04G9/08Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/12Visual 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)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electric Clocks (AREA)
  • Liquid Crystal Display Device Control (AREA)
GB5367171A 1971-03-12 1971-11-18 Solid state timepiece with liquid crystal display Expired GB1358707A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12367271A 1971-03-12 1971-03-12

Publications (1)

Publication Number Publication Date
GB1358707A true GB1358707A (en) 1974-07-03

Family

ID=22410129

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5367171A Expired GB1358707A (en) 1971-03-12 1971-11-18 Solid state timepiece with liquid crystal display

Country Status (7)

Country Link
US (1) US3701249A (de)
JP (1) JPS5328461Y2 (de)
CA (1) CA931768A (de)
CH (1) CH363072A4 (de)
DE (1) DE2210454B2 (de)
FR (1) FR2128761B1 (de)
GB (1) GB1358707A (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992081A (en) * 1969-06-11 1976-11-16 Kabushiki Kaisha Suwa Seikosha Liquid crystal display device with enhanged contrast
USRE29250E (en) * 1971-06-06 1977-06-07 Kabushiki Kaisha Suwa Seikosha Digital electronic watch having calendar display arrangement
JPS5644438B2 (de) * 1972-03-29 1981-10-19
US3855783A (en) * 1972-04-20 1974-12-24 Optel Corp Digital electronic timepiece
US3838564A (en) * 1972-06-19 1974-10-01 Texas Instruments Inc Oscillator
JPS4969174U (de) * 1972-09-27 1974-06-17
JPS5534388B2 (de) * 1972-10-05 1980-09-06
JPS5311200B2 (de) * 1973-01-19 1978-04-19
JPS49118166U (de) * 1973-02-03 1974-10-09
US4116544A (en) * 1973-02-12 1978-09-26 Beckman Instruments, Inc. Liquid crystal reflective display apparatus
JPS5751076B2 (de) * 1973-08-02 1982-10-30
US4027305A (en) * 1973-08-09 1977-05-31 Canon Kabushiki Kaisha System for driving liquid crystal display device
US3864905A (en) * 1973-11-14 1975-02-11 Hoffmann La Roche Horological instrument incorporating means for illuminating a liquid crystal display
FR2309000A1 (fr) * 1975-04-25 1976-11-19 Cii Dispositif de commande d'un element d'affichage a cristal liquide
US3968641A (en) * 1975-05-12 1976-07-13 Hughes Aircraft Company Digital watch with oscillator/divider power selection circuitry
JPS5210971A (en) * 1975-07-04 1977-01-27 Yoshikazu Shoda Sludge filter device
JPS5232374A (en) * 1975-09-08 1977-03-11 Citizen Watch Co Ltd Electronic watch
JPS5296064A (en) * 1976-02-09 1977-08-12 Seiko Epson Corp Electronic timepiece
JPS5473079A (en) * 1977-11-22 1979-06-12 Copal Co Ltd Time indicator for electronic digital car clock
US4270196A (en) * 1977-12-16 1981-05-26 Terzian Berj A Balanced complementary digital time displays
US4264966A (en) * 1977-12-16 1981-04-28 Terzian Berj A Balanced digital time displays
US4271497A (en) * 1977-12-16 1981-06-02 Terzian Berj A Quadri-balanced digital time displays
JPS54141053A (en) * 1978-04-24 1979-11-01 Yamada Kogyo Kk Preetreatment method of raw sewage
US4483628A (en) * 1979-06-29 1984-11-20 Terzian Beri A Balanced chronograph digital time display
US5064277A (en) * 1991-01-28 1991-11-12 Eastman Kodak Company Operation of a light modulator of the planar electrode type
DE19757564A1 (de) * 1997-12-23 1999-07-01 Mannesmann Vdo Ag Anzeigevorrichtung
FR2781928B1 (fr) * 1998-07-28 2000-12-08 Opsis Dispositif comprenant une puce semi-conductrice a substrat originel isolant et transparent
DE10339020A1 (de) * 2003-08-25 2005-03-24 Fehring, Hannes, Dipl.-Ing. Verfahren und Vorrichtung zur Reinigung von Segeln
EP2290478A1 (de) * 2009-09-01 2011-03-02 ETA SA Manufacture Horlogère Suisse Verkleidungselement für eine Armbanduhr
JP6798470B2 (ja) * 2017-11-08 2020-12-09 カシオ計算機株式会社 電子時計、表示制御方法、及びプログラム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3505804A (en) * 1968-04-23 1970-04-14 Rca Corp Solid state clock
US3576099A (en) * 1969-04-22 1971-04-27 Hamilton Watch Co Solid state timepiece having electro-optical time display
US3654606A (en) * 1969-11-06 1972-04-04 Rca Corp Alternating voltage excitation of liquid crystal display matrix

Also Published As

Publication number Publication date
FR2128761B1 (de) 1977-04-01
CA931768A (en) 1973-08-14
DE2210454A1 (de) 1972-09-28
US3701249A (en) 1972-10-31
CH363072A4 (fr) 1976-04-15
JPS4716465U (de) 1972-10-26
DE2210454B2 (de) 1976-12-16
JPS5328461Y2 (de) 1978-07-18
FR2128761A1 (de) 1972-10-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee