GB1380767A - Isochronal correction system - Google Patents

Isochronal correction system

Info

Publication number
GB1380767A
GB1380767A GB1238272A GB1238272A GB1380767A GB 1380767 A GB1380767 A GB 1380767A GB 1238272 A GB1238272 A GB 1238272A GB 1238272 A GB1238272 A GB 1238272A GB 1380767 A GB1380767 A GB 1380767A
Authority
GB
United Kingdom
Prior art keywords
rim
compensate
clock
balance wheel
imbalance
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
GB1238272A
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.)
Bunker Ramo Corp
Original Assignee
Bunker Ramo Corp
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 Bunker Ramo Corp filed Critical Bunker Ramo Corp
Publication of GB1380767A publication Critical patent/GB1380767A/en
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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of imbalance of the weights, e.g. tourbillon
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
    • G04D7/1257—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present
    • G04D7/1271—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present for the control mechanism only (from outside the clockwork)
    • G04D7/1292—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present for the control mechanism only (from outside the clockwork) whereby the adjustment device works on the balance wheel

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Balance (AREA)
GB1238272A 1971-06-07 1972-03-16 Isochronal correction system Expired GB1380767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15058671A 1971-06-07 1971-06-07

Publications (1)

Publication Number Publication Date
GB1380767A true GB1380767A (en) 1975-01-15

Family

ID=22535186

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1238272A Expired GB1380767A (en) 1971-06-07 1972-03-16 Isochronal correction system

Country Status (6)

Country Link
US (1) US3695032A (https=)
CA (1) CA953932A (https=)
DE (1) DE2216413A1 (https=)
FR (1) FR2140378B1 (https=)
GB (1) GB1380767A (https=)
IT (1) IT950795B (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1351103B1 (fr) * 2002-03-21 2008-07-30 Chopard Manufacture SA Balancier muni d'un dispositif de réglage
EP2290476B1 (fr) * 2009-08-18 2014-04-23 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Correcteur d'isochronisme pour échappement horloger et échappement muni d'un tel correcteur
USD635045S1 (en) * 2009-09-14 2011-03-29 Perrelet Sa Oscillating mass for a watch
USD640582S1 (en) * 2009-12-01 2011-06-28 Lvmh Swiss Manufactures S.A. Weight
EP2864844B1 (fr) * 2012-06-26 2020-09-02 Rolex Sa Procédé de détermination d'une caractéristique de balourd d'un oscillateur
USD759527S1 (en) * 2013-10-16 2016-06-21 Swatch Ltd Oscillating weight
USD937944S1 (en) 2020-07-28 2021-12-07 Coulter Ventures, Llc. Weight plate
USD1033574S1 (en) 2021-06-29 2024-07-02 Coulter Ventures, Llc. Weight plate

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH336009A (de) * 1955-02-19 1959-01-31 Diehl Gmbh Verfahren zum Auswuchten von Uhren-Unruhen
DE1142796B (de) * 1957-05-08 1963-01-24 Hugo Hettich Verfahren und Einrichtung zum Grobabgleichen der Schwingungszahl von Unruhschwingsystemen
DE1164331B (de) * 1959-05-23 1964-02-27 Kienzle Uhrenfabriken Ag Auswuchtverfahren fuer Unruhen
CH375297A (de) * 1960-12-02 1964-03-31 Greiner Electronic Ag Verfahren zum Abgleich von für Uhrwerke bestimmten Schwingsystemen
DE1548097A1 (de) * 1966-03-21 1969-08-21 Kienzle Uhrenfabriken Gmbh Statisches Auswuchtverfahren

Also Published As

Publication number Publication date
FR2140378B1 (https=) 1976-06-11
DE2216413A1 (de) 1973-01-04
US3695032A (en) 1972-10-03
FR2140378A1 (https=) 1973-01-19
IT950795B (it) 1973-06-20
CA953932A (en) 1974-09-03

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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