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FR2260691B1 - - Google Patents

Info

Publication number
FR2260691B1
FR2260691B1 FR7504367A FR7504367A FR2260691B1 FR 2260691 B1 FR2260691 B1 FR 2260691B1 FR 7504367 A FR7504367 A FR 7504367A FR 7504367 A FR7504367 A FR 7504367A FR 2260691 B1 FR2260691 B1 FR 2260691B1
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
Application number
FR7504367A
Other versions
FR2260691A1 (fr
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.)
Delanair Ltd
Original Assignee
Delanair 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 Delanair Ltd filed Critical Delanair Ltd
Publication of FR2260691A1 publication Critical patent/FR2260691A1/fr
Application granted granted Critical
Publication of FR2260691B1 publication Critical patent/FR2260691B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • 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
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489—Digital circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)
FR7504367A 1974-02-13 1975-02-12 Expired FR2260691B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB665574A GB1446501A (en) 1974-02-13 1974-02-13 Motor speed monitoring

Publications (2)

Publication Number Publication Date
FR2260691A1 FR2260691A1 (fr) 1975-09-05
FR2260691B1 true FR2260691B1 (fr) 1981-05-22

Family

ID=9818394

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7504367A Expired FR2260691B1 (fr) 1974-02-13 1975-02-12

Country Status (4)

Country Link
DE (1) DE2506131A1 (fr)
FR (1) FR2260691B1 (fr)
GB (1) GB1446501A (fr)
IT (1) IT1031681B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115061059A (zh) * 2022-04-20 2022-09-16 广州市迪士普音响科技有限公司 一种电源波纹检测电路及其设备

Also Published As

Publication number Publication date
IT1031681B (it) 1979-05-10
DE2506131A1 (de) 1975-08-21
GB1446501A (en) 1976-08-18
FR2260691A1 (fr) 1975-09-05

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Legal Events

Date Code Title Description
ST Notification of lapse