FR669286A - Indicateur de vitesse à aimant tournant - Google Patents

Indicateur de vitesse à aimant tournant

Info

Publication number
FR669286A
FR669286A FR669286DA FR669286A FR 669286 A FR669286 A FR 669286A FR 669286D A FR669286D A FR 669286DA FR 669286 A FR669286 A FR 669286A
Authority
FR
France
Prior art keywords
speedometer
rotating magnet
magnet
rotating
magnet speedometer
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
English (en)
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.)
Delco Electronics LLC
Original Assignee
AC Spark Plug Co
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 AC Spark Plug Co filed Critical AC Spark Plug Co
Application granted granted Critical
Publication of FR669286A publication Critical patent/FR669286A/fr
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
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/49—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents
    • G01P3/495—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents where the indicating means responds to forces produced by the eddy currents and the generating magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
FR669286D 1929-01-21 1929-02-07 Indicateur de vitesse à aimant tournant Expired FR669286A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB197629A GB323131A (en) 1929-01-21 1929-01-21 Improved magnetic speedometer

Publications (1)

Publication Number Publication Date
FR669286A true FR669286A (fr) 1929-11-14

Family

ID=9731367

Family Applications (1)

Application Number Title Priority Date Filing Date
FR669286D Expired FR669286A (fr) 1929-01-21 1929-02-07 Indicateur de vitesse à aimant tournant

Country Status (2)

Country Link
FR (1) FR669286A (fr)
GB (1) GB323131A (fr)

Also Published As

Publication number Publication date
GB323131A (en) 1929-12-24

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