FR2154373B1 - - Google Patents

Info

Publication number
FR2154373B1
FR2154373B1 FR7135897A FR7135897A FR2154373B1 FR 2154373 B1 FR2154373 B1 FR 2154373B1 FR 7135897 A FR7135897 A FR 7135897A FR 7135897 A FR7135897 A FR 7135897A FR 2154373 B1 FR2154373 B1 FR 2154373B1
Authority
FR
France
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
Application number
FR7135897A
Other versions
FR2154373A1 (fr
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.)
Automobiles Citroen SA
Original Assignee
Automobiles Citroen SA
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 Automobiles Citroen SA filed Critical Automobiles Citroen SA
Priority to FR7135897A priority Critical patent/FR2154373B1/fr
Priority to US293023A priority patent/US3887870A/en
Priority to DE2247693A priority patent/DE2247693C3/de
Publication of FR2154373A1 publication Critical patent/FR2154373A1/fr
Application granted granted Critical
Publication of FR2154373B1 publication Critical patent/FR2154373B1/fr
Expired 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
    • G01P3/481—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
    • 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
    • G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
FR7135897A 1971-09-30 1971-09-30 Expired FR2154373B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7135897A FR2154373B1 (fr) 1971-09-30 1971-09-30
US293023A US3887870A (en) 1971-09-30 1972-09-28 Pulse repetition rate meters
DE2247693A DE2247693C3 (de) 1971-09-30 1972-09-28 Verfahren und Vorrichtung zur Messung der Wiederholungsfrequenz von elektrischen Impulsen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7135897A FR2154373B1 (fr) 1971-09-30 1971-09-30

Publications (2)

Publication Number Publication Date
FR2154373A1 FR2154373A1 (fr) 1973-05-11
FR2154373B1 true FR2154373B1 (fr) 1974-05-31

Family

ID=9083961

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7135897A Expired FR2154373B1 (fr) 1971-09-30 1971-09-30

Country Status (3)

Country Link
US (1) US3887870A (fr)
DE (1) DE2247693C3 (fr)
FR (1) FR2154373B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4253154A (en) * 1979-01-11 1981-02-24 North American Philips Corporation Line scan and X-ray map enhancement of SEM X-ray data
DE2855523A1 (de) * 1978-12-22 1980-07-03 Porsche Ag Verfahren zur zuendimpulserzeugung oder zur zuendwinkelmessung fuer mehrzylindrige brennkraftmaschinen
DE3424898A1 (de) * 1984-07-06 1986-02-06 Vdo Adolf Schindling Ag, 6000 Frankfurt Verfahren und einrichtung zur digitalen drehzahlmessung
DE3834017A1 (de) * 1988-10-06 1990-04-12 Asea Brown Boveri Verfahren und einrichtung zur drehzahlmessung
DE3900292A1 (de) * 1989-01-07 1990-07-12 Acer Inc Frequenzdetektor
JPH0534474A (ja) * 1991-08-01 1993-02-09 Mitsubishi Electric Corp 計測タイマ装置
US5511047A (en) * 1992-07-30 1996-04-23 Mitsubishi Denki Kabushiki Kaisha High resolution timer using low resolution counter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769583A (en) * 1971-03-15 1973-10-30 Sperry Rand Corp Digital indicator with means for suppressing least significant digit dither

Also Published As

Publication number Publication date
DE2247693C3 (de) 1975-12-11
FR2154373A1 (fr) 1973-05-11
DE2247693A1 (de) 1973-04-05
DE2247693B2 (de) 1975-04-24
US3887870A (en) 1975-06-03

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Legal Events

Date Code Title Description
DL Decision of the director general to leave to make available licences of right
ST Notification of lapse