CH363072A4 - Timepiece device - Google Patents

Timepiece device

Info

Publication number
CH363072A4
CH363072A4 CH363072D CH363072D CH363072A4 CH 363072 A4 CH363072 A4 CH 363072A4 CH 363072 D CH363072 D CH 363072D CH 363072 D CH363072 D CH 363072D CH 363072 A4 CH363072 A4 CH 363072A4
Authority
CH
Switzerland
Prior art keywords
timepiece device
timepiece
Prior art date
Application number
CH363072D
Other languages
French (fr)
Inventor
S Walton Richard
M Bergey John
L Blouch Eric
Original Assignee
Time Computer
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 Time Computer filed Critical Time Computer
Publication of CH363072A4 publication Critical patent/CH363072A4/en

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
    • G04G9/0047—Details electrical, e.g. selection or application of the operating voltage
    • 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)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electric Clocks (AREA)
  • Liquid Crystal Display Device Control (AREA)
CH363072D 1971-03-12 1972-03-13 Timepiece device CH363072A4 (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
CH363072A4 true CH363072A4 (en) 1976-04-15

Family

ID=22410129

Family Applications (1)

Application Number Title Priority Date Filing Date
CH363072D CH363072A4 (en) 1971-03-12 1972-03-13 Timepiece device

Country Status (7)

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

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 (en) * 1972-03-29 1981-10-19
US3855783A (en) * 1972-04-20 1974-12-24 Optel Corp Digital electronic timepiece
US3809994A (en) * 1972-06-19 1974-05-07 Texas Instruments Inc Low power dc-dc converter employing intermittent bursts of blocking oscillations
JPS4969174U (en) * 1972-09-27 1974-06-17
JPS5534388B2 (en) * 1972-10-05 1980-09-06
JPS5311200B2 (en) * 1973-01-19 1978-04-19
JPS49118166U (en) * 1973-02-03 1974-10-09
US4116544A (en) * 1973-02-12 1978-09-26 Beckman Instruments, Inc. Liquid crystal reflective display apparatus
JPS5751076B2 (en) * 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 (en) * 1975-04-25 1976-11-19 Cii Control circuit for liquid crystal display - prevents polarisation phenomena due to DC component of excitation current
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
US4271497A (en) * 1977-12-16 1981-06-02 Terzian Berj A Quadri-balanced digital time displays
US4264966A (en) * 1977-12-16 1981-04-28 Terzian Berj A Balanced digital time displays
US4270196A (en) * 1977-12-16 1981-05-26 Terzian Berj A Balanced complementary 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 (en) * 1997-12-23 1999-07-01 Mannesmann Vdo Ag Display device
FR2781928B1 (en) * 1998-07-28 2000-12-08 Opsis DEVICE COMPRISING A SEMICONDUCTOR CHIP WITH ORIGINAL INSULATING AND TRANSPARENT SUBSTRATE
DE10339020A1 (en) * 2003-08-25 2005-03-24 Fehring, Hannes, Dipl.-Ing. Method and device for cleaning sails
EP2290478A1 (en) * 2009-09-01 2011-03-02 ETA SA Manufacture Horlogère Suisse Covering element for a wristwatch
JP6798470B2 (en) * 2017-11-08 2020-12-09 カシオ計算機株式会社 Electronic clocks, display control methods, and programs

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 (en) 1977-04-01
FR2128761A1 (en) 1972-10-20
JPS5328461Y2 (en) 1978-07-18
JPS4716465U (en) 1972-10-26
DE2210454A1 (en) 1972-09-28
DE2210454B2 (en) 1976-12-16
US3701249A (en) 1972-10-31
GB1358707A (en) 1974-07-03
CA931768A (en) 1973-08-14

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Legal Events

Date Code Title Description
PL Patent ceased