IT941027B - Dispositivo di segnalazione di un limite di frequenza - Google Patents

Dispositivo di segnalazione di un limite di frequenza

Info

Publication number
IT941027B
IT941027B IT8955470A IT8955470A IT941027B IT 941027 B IT941027 B IT 941027B IT 8955470 A IT8955470 A IT 8955470A IT 8955470 A IT8955470 A IT 8955470A IT 941027 B IT941027 B IT 941027B
Authority
IT
Italy
Prior art keywords
signaling
frequency limit
frequency
limit
Prior art date
Application number
IT8955470A
Other languages
English (en)
Original Assignee
Ducellier Et Cie Soc In Nome C
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 Ducellier Et Cie Soc In Nome C filed Critical Ducellier Et Cie Soc In Nome C
Application granted granted Critical
Publication of IT941027B publication Critical patent/IT941027B/it

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
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated 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
    • 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
    • G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
    • G01P1/106—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds by comparing the time duration between two impulses with a reference time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
IT8955470A 1969-11-24 1970-10-29 Dispositivo di segnalazione di un limite di frequenza IT941027B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR6940380A FR2067968A5 (it) 1969-11-24 1969-11-24
FR6942954A FR2070639A6 (it) 1969-11-24 1969-12-11

Publications (1)

Publication Number Publication Date
IT941027B true IT941027B (it) 1973-03-01

Family

ID=26215390

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8955470A IT941027B (it) 1969-11-24 1970-10-29 Dispositivo di segnalazione di un limite di frequenza

Country Status (6)

Country Link
BE (1) BE757316A (it)
DE (1) DE2057772A1 (it)
ES (1) ES385446A1 (it)
FR (2) FR2067968A5 (it)
IT (1) IT941027B (it)
NL (1) NL7017063A (it)

Also Published As

Publication number Publication date
BE757316A (fr) 1971-03-16
ES385446A1 (es) 1973-09-01
DE2057772A1 (de) 1971-06-03
FR2070639A6 (it) 1971-09-10
FR2067968A5 (it) 1971-08-20
NL7017063A (it) 1971-05-26

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