FR1509132A - Device for measuring the damping time of a pendulum - Google Patents

Device for measuring the damping time of a pendulum

Info

Publication number
FR1509132A
FR1509132A FR85576A FR85576A FR1509132A FR 1509132 A FR1509132 A FR 1509132A FR 85576 A FR85576 A FR 85576A FR 85576 A FR85576 A FR 85576A FR 1509132 A FR1509132 A FR 1509132A
Authority
FR
France
Prior art keywords
pendulum
measuring
damping time
damping
time
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
FR85576A
Other languages
French (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.)
Association des Ouvriers en Instruments de Precision
Original Assignee
Association des Ouvriers en Instruments de Precision
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 Association des Ouvriers en Instruments de Precision filed Critical Association des Ouvriers en Instruments de Precision
Priority to FR85576A priority Critical patent/FR1509132A/en
Application granted granted Critical
Publication of FR1509132A publication Critical patent/FR1509132A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40—Investigating hardness or rebound hardness
    • G01N3/50—Investigating hardness or rebound hardness by measuring rolling friction, e.g. by rocking pendulum
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G01N3/06—Special adaptations of indicating or recording means
    • G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
    • G01N2203/0647—Image analysis

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR85576A 1966-11-30 1966-11-30 Device for measuring the damping time of a pendulum Expired FR1509132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR85576A FR1509132A (en) 1966-11-30 1966-11-30 Device for measuring the damping time of a pendulum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR85576A FR1509132A (en) 1966-11-30 1966-11-30 Device for measuring the damping time of a pendulum

Publications (1)

Publication Number Publication Date
FR1509132A true FR1509132A (en) 1968-01-12

Family

ID=8621774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR85576A Expired FR1509132A (en) 1966-11-30 1966-11-30 Device for measuring the damping time of a pendulum

Country Status (1)

Country Link
FR (1) FR1509132A (en)

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