IT1206614B - Dispositivo convertitore frequenza-corrente, particolarmente per strumenti indicatori. - Google Patents

Dispositivo convertitore frequenza-corrente, particolarmente per strumenti indicatori.

Info

Publication number
IT1206614B
IT1206614B IT7824347A IT2434778A IT1206614B IT 1206614 B IT1206614 B IT 1206614B IT 7824347 A IT7824347 A IT 7824347A IT 2434778 A IT2434778 A IT 2434778A IT 1206614 B IT1206614 B IT 1206614B
Authority
IT
Italy
Prior art keywords
frequency
current converter
converter device
indicator instruments
instruments
Prior art date
Application number
IT7824347A
Other languages
English (en)
Other versions
IT7824347A0 (it
Original Assignee
Cgs Istrumenti Misura Spa
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 Cgs Istrumenti Misura Spa filed Critical Cgs Istrumenti Misura Spa
Priority to IT7824347A priority Critical patent/IT1206614B/it
Publication of IT7824347A0 publication Critical patent/IT7824347A0/it
Priority to DE19792922902 priority patent/DE2922902A1/de
Priority to FR7914623A priority patent/FR2428262A1/fr
Application granted granted Critical
Publication of IT1206614B publication Critical patent/IT1206614B/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
    • G01P3/4802—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general
    • G01P3/4807—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general by using circuits for the detection of the pulses delivered by the ignition system of an internal combustion engine
    • 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
    • G01R23/06—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Amplifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
IT7824347A 1978-06-08 1978-06-08 Dispositivo convertitore frequenza-corrente, particolarmente per strumenti indicatori. IT1206614B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT7824347A IT1206614B (it) 1978-06-08 1978-06-08 Dispositivo convertitore frequenza-corrente, particolarmente per strumenti indicatori.
DE19792922902 DE2922902A1 (de) 1978-06-08 1979-06-06 Frequenz-stromumformer, besonders geeignet fuer anzeigegeraete
FR7914623A FR2428262A1 (fr) 1978-06-08 1979-06-07 Dispositif convertisseur frequence-intensite, en particulier pour instruments indicateurs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT7824347A IT1206614B (it) 1978-06-08 1978-06-08 Dispositivo convertitore frequenza-corrente, particolarmente per strumenti indicatori.

Publications (2)

Publication Number Publication Date
IT7824347A0 IT7824347A0 (it) 1978-06-08
IT1206614B true IT1206614B (it) 1989-04-27

Family

ID=11213197

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7824347A IT1206614B (it) 1978-06-08 1978-06-08 Dispositivo convertitore frequenza-corrente, particolarmente per strumenti indicatori.

Country Status (3)

Country Link
DE (1) DE2922902A1 (it)
FR (1) FR2428262A1 (it)
IT (1) IT1206614B (it)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1253458A (en) * 1969-02-08 1971-11-17 Gen Motors Ltd Electronic tachometer
US3706035A (en) * 1970-05-23 1972-12-12 Itt Integrable revolution measuring circuit with supply voltage transient suppression
JPS5549460B2 (it) * 1974-01-18 1980-12-12
FR2396978A1 (fr) * 1978-07-07 1979-02-02 Cgs Apparecch Convertisseur frequence-intensite de courant, en particulier pour instruments indicateurs

Also Published As

Publication number Publication date
IT7824347A0 (it) 1978-06-08
FR2428262A1 (fr) 1980-01-04
FR2428262B1 (it) 1984-02-10
DE2922902A1 (de) 1979-12-20

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