FR439320A - Tachymètre - Google Patents

Tachymètre

Info

Publication number
FR439320A
FR439320A FR439320DA FR439320A FR 439320 A FR439320 A FR 439320A FR 439320D A FR439320D A FR 439320DA FR 439320 A FR439320 A FR 439320A
Authority
FR
France
Prior art keywords
tachometer
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)
Inventor
Edward Byam Brown
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR439320A publication Critical patent/FR439320A/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
    • G01P3/46—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring amplitude of generated current or voltage
    • G01P3/465—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring amplitude of generated current or voltage by using dynamo-electro tachometers or electric generator

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR439320D 1912-01-20 1912-01-20 Tachymètre Expired FR439320A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR439320T 1912-01-20

Publications (1)

Publication Number Publication Date
FR439320A true FR439320A (fr) 1912-06-11

Family

ID=1480762

Family Applications (1)

Application Number Title Priority Date Filing Date
FR439320D Expired FR439320A (fr) 1912-01-20 1912-01-20 Tachymètre

Country Status (1)

Country Link
FR (1) FR439320A (fr)

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