FR2194997B1 - - Google Patents

Info

Publication number
FR2194997B1
FR2194997B1 FR7323395A FR7323395A FR2194997B1 FR 2194997 B1 FR2194997 B1 FR 2194997B1 FR 7323395 A FR7323395 A FR 7323395A FR 7323395 A FR7323395 A FR 7323395A FR 2194997 B1 FR2194997 B1 FR 2194997B1
Authority
FR
France
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
FR7323395A
Other versions
FR2194997A1 (fr
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.)
Pforzheimer Uhren Rohwerke Porta GmbH
Original Assignee
Pforzheimer Uhren Rohwerke Porta GmbH
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 Pforzheimer Uhren Rohwerke Porta GmbH filed Critical Pforzheimer Uhren Rohwerke Porta GmbH
Publication of FR2194997A1 publication Critical patent/FR2194997A1/fr
Application granted granted Critical
Publication of FR2194997B1 publication Critical patent/FR2194997B1/fr
Expired legal-status Critical Current

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)
  • Electric Clocks (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
FR7323395A 1972-07-31 1973-06-20 Expired FR2194997B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2237645A DE2237645C3 (de) 1972-07-31 1972-07-31 Armbanduhr mit Datum- und Tagesanzeige

Publications (2)

Publication Number Publication Date
FR2194997A1 FR2194997A1 (fr) 1974-03-01
FR2194997B1 true FR2194997B1 (fr) 1977-02-18

Family

ID=5852257

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7323395A Expired FR2194997B1 (fr) 1972-07-31 1973-06-20

Country Status (3)

Country Link
US (1) US3789603A (fr)
DE (1) DE2237645C3 (fr)
FR (1) FR2194997B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5847036B2 (ja) * 1976-07-07 1983-10-20 シャープ株式会社 電子時計

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1169329A (en) * 1968-03-29 1969-11-05 Suwa Seikosha Kk Calendar Timepiece
JPS484926Y1 (fr) * 1969-07-23 1973-02-07

Also Published As

Publication number Publication date
DE2237645B2 (de) 1974-10-17
DE2237645C3 (de) 1975-05-28
DE2237645A1 (de) 1974-02-21
US3789603A (en) 1974-02-05
FR2194997A1 (fr) 1974-03-01

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Legal Events

Date Code Title Description
ST Notification of lapse