IT1031681B - Controllo visivo della velocita di un motore - Google Patents

Controllo visivo della velocita di un motore

Info

Publication number
IT1031681B
IT1031681B IT2019875A IT2019875A IT1031681B IT 1031681 B IT1031681 B IT 1031681B IT 2019875 A IT2019875 A IT 2019875A IT 2019875 A IT2019875 A IT 2019875A IT 1031681 B IT1031681 B IT 1031681B
Authority
IT
Italy
Prior art keywords
engine
speed
visual check
visual
check
Prior art date
Application number
IT2019875A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT1031681B publication Critical patent/IT1031681B/it

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)
IT2019875A 1974-02-13 1975-02-12 Controllo visivo della velocita di un motore IT1031681B (it)

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
IT1031681B true IT1031681B (it) 1979-05-10

Family

ID=9818394

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2019875A IT1031681B (it) 1974-02-13 1975-02-12 Controllo visivo della velocita di un motore

Country Status (4)

Country Link
DE (1) DE2506131A1 (US06265458-20010724-C00033.png)
FR (1) FR2260691B1 (US06265458-20010724-C00033.png)
GB (1) GB1446501A (US06265458-20010724-C00033.png)
IT (1) IT1031681B (US06265458-20010724-C00033.png)

Also Published As

Publication number Publication date
FR2260691B1 (US06265458-20010724-C00033.png) 1981-05-22
GB1446501A (en) 1976-08-18
FR2260691A1 (US06265458-20010724-C00033.png) 1975-09-05
DE2506131A1 (de) 1975-08-21

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