CH487446A - Datumsuhr - Google Patents

Datumsuhr

Info

Publication number
CH487446A
CH487446A CH566867A CH566867A CH487446A CH 487446 A CH487446 A CH 487446A CH 566867 A CH566867 A CH 566867A CH 566867 A CH566867 A CH 566867A CH 487446 A CH487446 A CH 487446A
Authority
CH
Switzerland
Prior art keywords
date clock
clock
date
Prior art date
Application number
CH566867A
Other languages
English (en)
Inventor
Teramoto Kazuo
Nakayama Yasuaki
Original Assignee
Citizen Watch Co Ltd
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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of CH487446A publication Critical patent/CH487446A/de

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • G04B19/25366—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement manually corrected at the end of months having less than 31 days

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
CH566867A 1966-04-20 1967-04-20 Datumsuhr CH487446A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3678566 1966-04-20

Publications (1)

Publication Number Publication Date
CH487446A true CH487446A (de) 1969-11-28

Family

ID=12479416

Family Applications (2)

Application Number Title Priority Date Filing Date
CH566867D CH566867A4 (de) 1966-04-20 1967-04-20
CH566867A CH487446A (de) 1966-04-20 1967-04-20 Datumsuhr

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH566867D CH566867A4 (de) 1966-04-20 1967-04-20

Country Status (4)

Country Link
US (1) US3438196A (de)
CH (2) CH566867A4 (de)
DE (1) DE1673628B2 (de)
GB (1) GB1181841A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142363A (en) * 1976-05-03 1979-03-06 Ebauches Tavannes S.A. Calendar watch movement with date-indicating member

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653200A (en) * 1969-04-10 1972-04-04 Seiko Instr & Electronics Calendar watch with separate seconds, minutes, and hours dials
DE7010018U (de) * 1970-03-18 1970-11-26 Junghans Gmbh Geb Uhr mit datums- und wochentagsanzeige.
US3695029A (en) * 1970-06-01 1972-10-03 Gruen Ind Inc Calendar day and date watch
CH1240170A4 (de) * 1970-08-19 1972-12-15
DE2307116A1 (de) * 1972-02-29 1973-09-06 Triebold Agon Uhren Digitaluhr
JPS5336343B2 (de) * 1972-08-03 1978-10-02
DE602007005214D1 (de) 2007-01-30 2010-04-22 Longines Montres Comp D Uhr, die einen Antriebsmechanismus einer Vorrichtung zur Anzeige einer mit der Zeit zusammenhängenden Größe umfasst
EP3667435B1 (de) * 2018-12-10 2022-06-01 Montres Breguet S.A. Einstellsystem der position eines ersten gezahnten drehteils in bezug auf eine halterung, auf der dieser ersten gezahnten drehteil drehbar befestigt ist, und uhr, die ein solches system umfasst

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US563268A (en) * 1893-03-06 1896-07-07 Perpetual calendar for watches or clocks
CH16964A (de) * 1898-06-09 1899-03-31 Carl Streiter Einrichtung an Uhren zum selbstthätigen Anzeigen der Tage und Monate
FR57935E (fr) * 1947-09-16 1953-09-18 Montre-calendrier
CH288312A (de) * 1950-02-11 1953-01-15 Ag Brac Kalendereinrichtung für Uhren, insbesondere für Taschen- und Armbanduhren.
US2591819A (en) * 1950-02-16 1952-04-08 Rolex Montres Calendar timepiece
US2671307A (en) * 1950-08-15 1954-03-09 Imhof Arthur Calendar indicator mechanism
AT178334B (de) * 1952-06-04 1954-04-26 Kurt Wagner Zahngetriebe mit großer Übersetzung ins Langsame für Uhren
DE1209511B (de) * 1962-10-31 1966-01-20 Ebauches Sa Uhr mit schnellschaltendem Datumanzeigering
CH425641A (fr) * 1964-05-11 1967-06-15 Ebauches Bettlach Sa Montre-calendrier
FR1482957A (fr) * 1966-04-13 1967-06-02 Cie Ind De Metrologie Trophy Mécanisme dateur perfectionné

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142363A (en) * 1976-05-03 1979-03-06 Ebauches Tavannes S.A. Calendar watch movement with date-indicating member

Also Published As

Publication number Publication date
GB1181841A (en) 1970-02-18
DE1673628A1 (de) 1972-04-27
DE1673628B2 (de) 1972-04-27
US3438196A (en) 1969-04-15
CH566867A4 (de) 1969-11-28

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Legal Events

Date Code Title Description
PL Patent ceased