GB1346072A - - Google Patents

Info

Publication number
GB1346072A
GB1346072A GB262871A GB262871A GB1346072A GB 1346072 A GB1346072 A GB 1346072A GB 262871 A GB262871 A GB 262871A GB 262871 A GB262871 A GB 262871A GB 1346072 A GB1346072 A GB 1346072A
Authority
GB
United Kingdom
Prior art keywords
arm
spring
tab
unit
indicator
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
GB262871A
Other languages
English (en)
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 filed Critical
Publication of GB1346072A publication Critical patent/GB1346072A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/16—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating an electro-dynamic continuously rotating motor
    • 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
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • G04B19/21—Drums
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/0074—Watchmakers' or watch-repairers' machines or tools for working materials for treatment of the material, e.g. surface treatment
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/04—Design features of general application for driving the stage of lowest order
    • G06M1/06—Design features of general application for driving the stage of lowest order producing continuous revolution of the stage, e.g. with gear train
    • G06M1/062—Design features of general application for driving the stage of lowest order producing continuous revolution of the stage, e.g. with gear train for drum type indicating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
GB262871A 1970-02-02 1971-01-19 Expired GB1346072A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US747070A 1970-02-02 1970-02-02

Publications (1)

Publication Number Publication Date
GB1346072A true GB1346072A (fr) 1974-02-06

Family

ID=21726360

Family Applications (1)

Application Number Title Priority Date Filing Date
GB262871A Expired GB1346072A (fr) 1970-02-02 1971-01-19

Country Status (4)

Country Link
US (1) US3590571A (fr)
DE (1) DE2104577C3 (fr)
FR (1) FR2079169B1 (fr)
GB (1) GB1346072A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH556569A (fr) * 1971-03-16 1974-11-29
US3931705A (en) * 1973-06-26 1976-01-13 Jeco Kabushiki Kaisha Counter feed mechanism as used in digital clock
US3903687A (en) * 1974-01-30 1975-09-09 Robertshaw Controls Co Digital clock or the like and drive unit therefor
US4177630A (en) * 1977-10-25 1979-12-11 Bunker Ramo Corporation Sweep seconds to jump seconds conversion for clocks
GB2135481B (en) * 1983-02-16 1986-11-19 Tak Lam Philip Yung Time piece

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA808886A (en) * 1969-03-25 Konno Kiyoaki Winding-up device for the drive spring of an electric clock
US3133405A (en) * 1961-06-01 1964-05-19 Pennwood Numechron Company Time registering device
GB1000435A (en) * 1962-04-09 1965-08-04 Svenska Flaektfabriken Ab Heat exchanger
US3492806A (en) * 1968-04-22 1970-02-03 Hamilton Watch Co High accuracy timepiece

Also Published As

Publication number Publication date
DE2104577C3 (de) 1980-09-18
DE2104577B2 (de) 1980-01-17
US3590571A (en) 1971-07-06
DE2104577A1 (de) 1971-08-12
FR2079169A1 (fr) 1971-11-12
FR2079169B1 (fr) 1977-01-28

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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