IT1151239B - Disposizione di convertitore di frequenza digitale,specialmente per tachimetro da autoveicolo - Google Patents

Disposizione di convertitore di frequenza digitale,specialmente per tachimetro da autoveicolo

Info

Publication number
IT1151239B
IT1151239B IT21476/82A IT2147682A IT1151239B IT 1151239 B IT1151239 B IT 1151239B IT 21476/82 A IT21476/82 A IT 21476/82A IT 2147682 A IT2147682 A IT 2147682A IT 1151239 B IT1151239 B IT 1151239B
Authority
IT
Italy
Prior art keywords
arrangement
frequency converter
digital frequency
automotive speedometer
speedometer
Prior art date
Application number
IT21476/82A
Other languages
English (en)
Other versions
IT8221476A0 (it
Inventor
Alfred Kizler
Original Assignee
Moto Meter Ag
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 Moto Meter Ag filed Critical Moto Meter Ag
Publication of IT8221476A0 publication Critical patent/IT8221476A0/it
Application granted granted Critical
Publication of IT1151239B publication Critical patent/IT1151239B/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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
IT21476/82A 1981-07-10 1982-05-25 Disposizione di convertitore di frequenza digitale,specialmente per tachimetro da autoveicolo IT1151239B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813127267 DE3127267A1 (de) 1981-07-10 1981-07-10 "digitale frequenzwandleranordnung, insbesondere fuer fahrzeug-tachometer"

Publications (2)

Publication Number Publication Date
IT8221476A0 IT8221476A0 (it) 1982-05-25
IT1151239B true IT1151239B (it) 1986-12-17

Family

ID=6136590

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21476/82A IT1151239B (it) 1981-07-10 1982-05-25 Disposizione di convertitore di frequenza digitale,specialmente per tachimetro da autoveicolo

Country Status (4)

Country Link
DE (1) DE3127267A1 (it)
ES (1) ES8305132A1 (it)
GB (1) GB2101431B (it)
IT (1) IT1151239B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61501883A (ja) * 1983-06-27 1986-08-28 ザ　コモンウエルス　オブ　オ−ストラリア スケルチ回路
DE3910347A1 (de) * 1989-03-30 1990-10-04 Rexroth Mannesmann Gmbh Inkrementales weg- bzw. beschleunigungsmesssystem, insbesondere fuer einen hydraulischen dreh- oder linearantrieb
FI91578C (fi) * 1992-06-05 1994-07-11 Nokia Mobile Phones Ltd Vaihelukitun silmukan kytkentä

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2912651A (en) * 1954-03-29 1959-11-10 Gen Electric Automatic frequency control
GB853960A (en) * 1956-02-24 1960-11-16 Emi Ltd Improvements in or relating to phase control circuits
DE1766244A1 (de) * 1968-04-24 1971-06-24 Licentia Gmbh Einrichtung zur UEberwachung einer Frequenz
DE2701575C2 (de) * 1977-01-15 1985-12-19 Mannesmann Kienzle GmbH, 7730 Villingen-Schwenningen Frequenzwandler für Geschwindigkeits- und Streckenzählgeräte

Also Published As

Publication number Publication date
IT8221476A0 (it) 1982-05-25
ES513237A0 (es) 1983-03-16
DE3127267A1 (de) 1983-01-27
GB2101431A (en) 1983-01-12
GB2101431B (en) 1985-06-12
ES8305132A1 (es) 1983-03-16

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