FR643173A - Compensating device making the period of a pendulum independent of temperature - Google Patents

Compensating device making the period of a pendulum independent of temperature

Info

Publication number
FR643173A
FR643173A FR643173DA FR643173A FR 643173 A FR643173 A FR 643173A FR 643173D A FR643173D A FR 643173DA FR 643173 A FR643173 A FR 643173A
Authority
FR
France
Prior art keywords
pendulum
independent
period
temperature
compensating device
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
Other languages
French (fr)
Inventor
Maurice-Philippe Favre Bulle
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
Application granted granted Critical
Publication of FR643173A publication Critical patent/FR643173A/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
    • G04B17/22—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature
    • G04B17/225—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature with pendulums

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR643173D 1927-10-28 1927-10-28 Compensating device making the period of a pendulum independent of temperature Expired FR643173A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR643173T 1927-10-28

Publications (1)

Publication Number Publication Date
FR643173A true FR643173A (en) 1928-09-11

Family

ID=8999247

Family Applications (1)

Application Number Title Priority Date Filing Date
FR643173D Expired FR643173A (en) 1927-10-28 1927-10-28 Compensating device making the period of a pendulum independent of temperature

Country Status (1)

Country Link
FR (1) FR643173A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014168A (en) * 1955-12-28 1961-12-19 Kieninger & Obergfell Electronically controlled clock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014168A (en) * 1955-12-28 1961-12-19 Kieninger & Obergfell Electronically controlled clock

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