FR2303296B1 - - Google Patents

Info

Publication number
FR2303296B1
FR2303296B1 FR7605370A FR7605370A FR2303296B1 FR 2303296 B1 FR2303296 B1 FR 2303296B1 FR 7605370 A FR7605370 A FR 7605370A FR 7605370 A FR7605370 A FR 7605370A FR 2303296 B1 FR2303296 B1 FR 2303296B1
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
FR7605370A
Other languages
French (fr)
Other versions
FR2303296A1 (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.)
Institut Franco Allemand de Recherches de Saint Louis ISL
Original Assignee
Institut Franco Allemand de Recherches de Saint Louis ISL
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 Institut Franco Allemand de Recherches de Saint Louis ISL filed Critical Institut Franco Allemand de Recherches de Saint Louis ISL
Publication of FR2303296A1 publication Critical patent/FR2303296A1/fr
Application granted granted Critical
Publication of FR2303296B1 publication Critical patent/FR2303296B1/fr
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
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/26—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Semiconductor Lasers (AREA)
  • Lasers (AREA)
FR7605370A 1975-03-05 1976-02-26 Dispositif pour l'exploitation de signaux periodiques de duree limitee se succedant a intervalles aleatoires Granted FR2303296A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752509595 DE2509595A1 (de) 1975-03-05 1975-03-05 Verfahren zur auswertung periodischer elektronischer signale unterschiedlicher dauer, frequenz, amplitude und unterschiedlicher folge

Publications (2)

Publication Number Publication Date
FR2303296A1 FR2303296A1 (fr) 1976-10-01
FR2303296B1 true FR2303296B1 (it) 1979-08-10

Family

ID=5940534

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7605370A Granted FR2303296A1 (fr) 1975-03-05 1976-02-26 Dispositif pour l'exploitation de signaux periodiques de duree limitee se succedant a intervalles aleatoires

Country Status (2)

Country Link
DE (1) DE2509595A1 (it)
FR (1) FR2303296A1 (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2726981C2 (de) * 1977-06-15 1984-11-22 Fried. Krupp Gmbh, 4300 Essen Vorrichtung zur Zeitmessung zwischen Impulsen
FR2606157B1 (fr) * 1986-10-31 1989-01-06 Onera (Off Nat Aerospatiale) Systeme de traitement de signaux noyes dans un bruit et son application en velocimetrie laser a franges
DE3908852A1 (de) * 1989-03-17 1990-09-20 Deutsch Franz Forsch Inst Verfahren und einrichtung zur bestimmung der mittleren signalfrequenz einer statistischen folge kurzer schwingungspakete
US5116261A (en) * 1990-10-05 1992-05-26 Mitac International Corp. Auxiliary computer panel to cover a disk drive access side of a computer casing
CN107490409B (zh) * 2017-08-09 2020-07-21 辽宁航宇星物联仪表科技有限公司 一种户用超声波水表防错波改进方法

Also Published As

Publication number Publication date
DE2509595A1 (de) 1976-09-16
FR2303296A1 (fr) 1976-10-01

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Legal Events

Date Code Title Description
ST Notification of lapse