FR667491A - Improvements to devices used to indicate relative speeds - Google Patents

Improvements to devices used to indicate relative speeds

Info

Publication number
FR667491A
FR667491A FR667491DA FR667491A FR 667491 A FR667491 A FR 667491A FR 667491D A FR667491D A FR 667491DA FR 667491 A FR667491 A FR 667491A
Authority
FR
France
Prior art keywords
devices used
relative speeds
indicate relative
speeds
indicate
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
Leonard Eugene Cowey
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 FR667491A publication Critical patent/FR667491A/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
    • G01P3/04—Devices characterised by the use of mechanical means by comparing two speeds
    • G01P3/08—Devices characterised by the use of mechanical means by comparing two speeds using differential gearing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR667491D 1928-01-19 1929-01-16 Improvements to devices used to indicate relative speeds Expired FR667491A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB667491X 1928-01-19

Publications (1)

Publication Number Publication Date
FR667491A true FR667491A (en) 1929-10-17

Family

ID=10491453

Family Applications (1)

Application Number Title Priority Date Filing Date
FR667491D Expired FR667491A (en) 1928-01-19 1929-01-16 Improvements to devices used to indicate relative speeds

Country Status (1)

Country Link
FR (1) FR667491A (en)

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