FR2499712B1 - - Google Patents

Info

Publication number
FR2499712B1
FR2499712B1 FR8102544A FR8102544A FR2499712B1 FR 2499712 B1 FR2499712 B1 FR 2499712B1 FR 8102544 A FR8102544 A FR 8102544A FR 8102544 A FR8102544 A FR 8102544A FR 2499712 B1 FR2499712 B1 FR 2499712B1
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
FR8102544A
Other languages
French (fr)
Other versions
FR2499712A1 (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.)
Gouvernement de la Republique Francaise
Original Assignee
Gouvernement de la Republique Francaise
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 Gouvernement de la Republique Francaise filed Critical Gouvernement de la Republique Francaise
Priority to FR8102544A priority Critical patent/FR2499712A1/fr
Publication of FR2499712A1 publication Critical patent/FR2499712A1/fr
Application granted granted Critical
Publication of FR2499712B1 publication Critical patent/FR2499712B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/008—Rotors tracking or balancing devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • 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
    • G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
    • G01P3/40—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light using stroboscopic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR8102544A 1981-02-10 1981-02-10 Dispositif opto-electronique pour mesurer et regler les ecarts de sillage des pales d'helicoptere Granted FR2499712A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8102544A FR2499712A1 (fr) 1981-02-10 1981-02-10 Dispositif opto-electronique pour mesurer et regler les ecarts de sillage des pales d'helicoptere

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8102544A FR2499712A1 (fr) 1981-02-10 1981-02-10 Dispositif opto-electronique pour mesurer et regler les ecarts de sillage des pales d'helicoptere

Publications (2)

Publication Number Publication Date
FR2499712A1 FR2499712A1 (fr) 1982-08-13
FR2499712B1 true FR2499712B1 (enExample) 1985-02-01

Family

ID=9255010

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8102544A Granted FR2499712A1 (fr) 1981-02-10 1981-02-10 Dispositif opto-electronique pour mesurer et regler les ecarts de sillage des pales d'helicoptere

Country Status (1)

Country Link
FR (1) FR2499712A1 (enExample)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002420A (en) * 1958-04-23 1961-10-03 Chicago Aerial Ind Inc Parallax interval sensing device
FR1446960A (fr) * 1965-09-16 1966-07-22 Licentia Gmbh Dispositif pour observer ou mesurer la trace des lames de rotor d'un hélicoptère
US3856410A (en) * 1972-11-27 1974-12-24 Tracker M Corp Method and apparatus for testing bladed rotors
US3885872A (en) * 1973-06-12 1975-05-27 Ibm Digital proximity sensing system

Also Published As

Publication number Publication date
FR2499712A1 (fr) 1982-08-13

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Legal Events

Date Code Title Description
ST Notification of lapse