GB1446501A - Motor speed monitoring - Google Patents

Motor speed monitoring

Info

Publication number
GB1446501A
GB1446501A GB665574A GB665574A GB1446501A GB 1446501 A GB1446501 A GB 1446501A GB 665574 A GB665574 A GB 665574A GB 665574 A GB665574 A GB 665574A GB 1446501 A GB1446501 A GB 1446501A
Authority
GB
United Kingdom
Prior art keywords
motor speed
speed monitoring
monitoring
motor
speed
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
GB665574A
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.)
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
Priority to GB665574A priority Critical patent/GB1446501A/en
Priority to FR7504367A priority patent/FR2260691B1/fr
Priority to IT2019875A priority patent/IT1031681B/it
Priority to DE19752506131 priority patent/DE2506131A1/de
Publication of GB1446501A publication Critical patent/GB1446501A/en
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)
GB665574A 1974-02-13 1974-02-13 Motor speed monitoring Expired GB1446501A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB665574A GB1446501A (en) 1974-02-13 1974-02-13 Motor speed monitoring
FR7504367A FR2260691B1 (enExample) 1974-02-13 1975-02-12
IT2019875A IT1031681B (it) 1974-02-13 1975-02-12 Controllo visivo della velocita di un motore
DE19752506131 DE2506131A1 (de) 1974-02-13 1975-02-13 Drehzahlueberwachungsgeraet fuer elektromotoren

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1446501A true GB1446501A (en) 1976-08-18

Family

ID=9818394

Family Applications (1)

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

Country Status (4)

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

Cited By (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

Cited By (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
FR2260691A1 (enExample) 1975-09-05
DE2506131A1 (de) 1975-08-21
FR2260691B1 (enExample) 1981-05-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee