FR549918A - Frequency measuring device - Google Patents

Frequency measuring device

Info

Publication number
FR549918A
FR549918A FR549918DA FR549918A FR 549918 A FR549918 A FR 549918A FR 549918D A FR549918D A FR 549918DA FR 549918 A FR549918 A FR 549918A
Authority
FR
France
Prior art keywords
measuring device
frequency measuring
frequency
measuring
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
Augustin Seguin
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 FR549918A publication Critical patent/FR549918A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/02—Devices characterised by the use of mechanical means
    • G01P3/12—Devices characterised by the use of mechanical means by making use of a system excited by impact
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/02—Devices characterised by the use of mechanical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR549918D 1922-04-08 1922-04-08 Frequency measuring device Expired FR549918A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR549918T 1922-04-08

Publications (1)

Publication Number Publication Date
FR549918A true FR549918A (en) 1923-02-22

Family

ID=8935827

Family Applications (1)

Application Number Title Priority Date Filing Date
FR549918D Expired FR549918A (en) 1922-04-08 1922-04-08 Frequency measuring device

Country Status (3)

Country Link
DE (1) DE399081C (en)
FR (1) FR549918A (en)
GB (1) GB195954A (en)

Also Published As

Publication number Publication date
GB195954A (en) 1924-06-23
DE399081C (en) 1924-07-16

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