DE3434189C2 - - Google Patents

Info

Publication number
DE3434189C2
DE3434189C2 DE19843434189 DE3434189A DE3434189C2 DE 3434189 C2 DE3434189 C2 DE 3434189C2 DE 19843434189 DE19843434189 DE 19843434189 DE 3434189 A DE3434189 A DE 3434189A DE 3434189 C2 DE3434189 C2 DE 3434189C2
Authority
DE
Germany
Prior art keywords
value
order
register
measurement
digital delay
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 - Fee Related
Application number
DE19843434189
Other languages
German (de)
English (en)
Other versions
DE3434189A1 (de
Inventor
Martin Dipl.-Ing. 6231 Schwalbach De Tibken
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.)
Mannesmann VDO AG
Original Assignee
Mannesmann VDO 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 Mannesmann VDO AG filed Critical Mannesmann VDO AG
Priority to DE19843434189 priority Critical patent/DE3434189A1/de
Priority to EP19850112897 priority patent/EP0218737B1/de
Publication of DE3434189A1 publication Critical patent/DE3434189A1/de
Application granted granted Critical
Publication of DE3434189C2 publication Critical patent/DE3434189C2/de
Granted legal-status Critical Current

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
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/12—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will
    • G01R15/125—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will for digital multimeters
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R7/00—Instruments capable of converting two or more currents or voltages into a single mechanical displacement
    • G01R7/04—Instruments capable of converting two or more currents or voltages into a single mechanical displacement for forming a quotient
    • G01R7/06—Instruments capable of converting two or more currents or voltages into a single mechanical displacement for forming a quotient moving-iron type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Indicating Measured Values (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
DE19843434189 1984-09-18 1984-09-18 Einrichtung zur ansteuerung eines kreuzspulanzeigeinstruments Granted DE3434189A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19843434189 DE3434189A1 (de) 1984-09-18 1984-09-18 Einrichtung zur ansteuerung eines kreuzspulanzeigeinstruments
EP19850112897 EP0218737B1 (de) 1984-09-18 1985-10-11 Einrichtung zur Ansteuerung eines Kreuzspulenanzeigeinstruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843434189 DE3434189A1 (de) 1984-09-18 1984-09-18 Einrichtung zur ansteuerung eines kreuzspulanzeigeinstruments

Publications (2)

Publication Number Publication Date
DE3434189A1 DE3434189A1 (de) 1986-03-20
DE3434189C2 true DE3434189C2 (en, 2012) 1991-04-11

Family

ID=6245670

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843434189 Granted DE3434189A1 (de) 1984-09-18 1984-09-18 Einrichtung zur ansteuerung eines kreuzspulanzeigeinstruments

Country Status (2)

Country Link
EP (1) EP0218737B1 (en, 2012)
DE (1) DE3434189A1 (en, 2012)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2640742B1 (fr) * 1988-12-19 1991-04-12 Jaeger Dispositif de commande de logometre comprenant des moyens perfectionnes generant un signal numerique representatif de la frequence du signal d'entree
FR2640743B1 (fr) * 1988-12-19 1994-04-08 Jaeger Dispositif perfectionne de commande de logometre
ES2039916T3 (es) * 1988-12-19 1993-10-01 Jaeger Dispositivo perfeccionado de mando de logometro.
DE3927966A1 (de) * 1989-08-24 1991-02-28 Vdo Schindling Verfahren und schaltungsanordnung zur erzeugung einer eingangsgroesse fuer ein kreuzspulanzeigeinstrument

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962567A (en) * 1975-01-13 1976-06-08 Trw Inc. Digital display apparatus having jitter correction
US4051434A (en) * 1976-05-28 1977-09-27 General Motors Corporation Digital frequency measuring circuitry
US4230984A (en) * 1979-03-22 1980-10-28 General Motors Corporation Method and apparatus for driving an air core gage

Also Published As

Publication number Publication date
DE3434189A1 (de) 1986-03-20
EP0218737B1 (de) 1988-05-04
EP0218737A1 (de) 1987-04-22

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MANNESMANN VDO AG, 60326 FRANKFURT, DE

8339 Ceased/non-payment of the annual fee