FR2115287B1 - - Google Patents

Info

Publication number
FR2115287B1
FR2115287B1 FR7141523A FR7141523A FR2115287B1 FR 2115287 B1 FR2115287 B1 FR 2115287B1 FR 7141523 A FR7141523 A FR 7141523A FR 7141523 A FR7141523 A FR 7141523A FR 2115287 B1 FR2115287 B1 FR 2115287B1
Authority
FR
France
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 - Lifetime
Application number
FR7141523A
Other languages
French (fr)
Other versions
FR2115287A1 (enExample
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.)
Lumenition Ltd
Original Assignee
Lumenition Ltd
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 Lumenition Ltd filed Critical Lumenition Ltd
Publication of FR2115287A1 publication Critical patent/FR2115287A1/fr
Application granted granted Critical
Publication of FR2115287B1 publication Critical patent/FR2115287B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Endoscopes (AREA)
FR7141523A 1970-11-20 1971-11-19 Expired - Lifetime FR2115287B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5540570A GB1367465A (en) 1970-11-20 1970-11-20 Device for measuring the speed of a rotating shaft

Publications (2)

Publication Number Publication Date
FR2115287A1 FR2115287A1 (enExample) 1972-07-07
FR2115287B1 true FR2115287B1 (enExample) 1975-02-07

Family

ID=10473809

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7141523A Expired - Lifetime FR2115287B1 (enExample) 1970-11-20 1971-11-19

Country Status (6)

Country Link
US (1) US3746987A (enExample)
CA (1) CA989039A (enExample)
DE (1) DE2157351A1 (enExample)
FR (1) FR2115287B1 (enExample)
GB (1) GB1367465A (enExample)
IT (1) IT945050B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371834A (en) 1980-05-14 1983-02-01 Jaeger Device for measuring the frequency of an electrical current representative of a variable quantity

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3247433A (en) * 1962-12-12 1966-04-19 Bendix Corp Reversible silicon controlled rectifier ring counter for stepper motor drive
US3309609A (en) * 1963-10-03 1967-03-14 Ford Motor Co Electrical speedometer with electrical energy regulating means
CH452771A (de) * 1964-07-22 1968-03-15 Morat Gmbh Franz Fadeneinlaufgeschwindigkeits-Abfragevorrichtung an Strick- und Wirkmaschinen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371834A (en) 1980-05-14 1983-02-01 Jaeger Device for measuring the frequency of an electrical current representative of a variable quantity

Also Published As

Publication number Publication date
US3746987A (en) 1973-07-17
CA989039A (en) 1976-05-11
IT945050B (it) 1973-05-10
AU3583071A (en) 1973-05-24
GB1367465A (en) 1974-09-18
DE2157351A1 (de) 1972-05-31
FR2115287A1 (enExample) 1972-07-07

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Legal Events

Date Code Title Description
ST Notification of lapse