CA953932A - Isochronal correction system - Google Patents

Isochronal correction system

Info

Publication number
CA953932A
CA953932A CA136,747A CA136747A CA953932A CA 953932 A CA953932 A CA 953932A CA 136747 A CA136747 A CA 136747A CA 953932 A CA953932 A CA 953932A
Authority
CA
Canada
Prior art keywords
isochronal
correction system
correction
isochronal correction
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
CA136,747A
Other versions
CA136747S (en
Inventor
Robert R. Lawson
Leonard L. Metzinger
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
Application granted granted Critical
Publication of CA953932A publication Critical patent/CA953932A/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)
CA136,747A 1971-06-07 1972-03-09 Isochronal correction system Expired CA953932A (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
CA953932A true CA953932A (en) 1974-09-03

Family

ID=22535186

Family Applications (1)

Application Number Title Priority Date Filing Date
CA136,747A Expired CA953932A (en) 1971-06-07 1972-03-09 Isochronal correction system

Country Status (6)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1351103B1 (en) * 2002-03-21 2008-07-30 Chopard Manufacture SA Balance wheel with adjusting mechanism
EP2290476B1 (en) * 2009-08-18 2014-04-23 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Isochronism corrector for a timepiece escapement and an escapement equipped with such a corrector
JP6254584B2 (en) * 2012-06-26 2017-12-27 ロレックス・ソシエテ・アノニムＲｏｌｅｘ Ｓａ Determination method of unbalance characteristics of vibrating body
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH336009A (en) * 1955-02-19 1959-01-31 Diehl Gmbh Procedure for balancing clock balance
DE1142796B (en) * 1957-05-08 1963-01-24 Hugo Hettich Method and device for the rough adjustment of the number of oscillations of balance oscillation systems
DE1164331B (en) * 1959-05-23 1964-02-27 Kienzle Uhrenfabriken Ag Balancing procedure for riots
CH375297A (en) * 1960-12-02 1964-03-31 Greiner Electronic Ag Procedure for the adjustment of oscillating systems intended for clockworks
DE1548097A1 (en) * 1966-03-21 1969-08-21 Kienzle Uhrenfabriken Gmbh Static balancing process

Also Published As

Publication number Publication date
GB1380767A (en) 1975-01-15
US3695032A (en) 1972-10-03
FR2140378B1 (en) 1976-06-11
IT950795B (en) 1973-06-20
FR2140378A1 (en) 1973-01-19
DE2216413A1 (en) 1973-01-04

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