DE2845592C2 - Flugzeit-Anemometer - Google Patents

Flugzeit-Anemometer

Info

Publication number
DE2845592C2
DE2845592C2 DE19782845592 DE2845592A DE2845592C2 DE 2845592 C2 DE2845592 C2 DE 2845592C2 DE 19782845592 DE19782845592 DE 19782845592 DE 2845592 A DE2845592 A DE 2845592A DE 2845592 C2 DE2845592 C2 DE 2845592C2
Authority
DE
Germany
Prior art keywords
birefringent
optical
lens
optical element
receiver
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
Application number
DE19782845592
Other languages
German (de)
English (en)
Other versions
DE2845592A1 (de
Inventor
Christian Dipl.-Ing. Roskilde Fog
Arne Skov Dipl.-Ing. Ringsted Jensen
Lars Dipl.-Ing. Lading
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.)
Dantec Electronik Medicinsk og Videnskabeligt Maleudstyr AS
Original Assignee
Disa Elektronik AS
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 Disa Elektronik AS filed Critical Disa Elektronik AS
Publication of DE2845592A1 publication Critical patent/DE2845592A1/de
Application granted granted Critical
Publication of DE2845592C2 publication Critical patent/DE2845592C2/de
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
    • 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
    • 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
    • G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
    • G01P3/68—Devices characterised by the determination of the time taken to traverse a fixed distance using optical means, i.e. using infrared, visible, or ultraviolet light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50—Systems of measurement based on relative movement of target

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
DE19782845592 1977-10-20 1978-10-19 Flugzeit-Anemometer Expired DE2845592C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK468177A DK142473B (da) 1977-10-20 1977-10-20 Apparat med en optisk sender og modtager, navnlig et flyvetidslaseranemometer.

Publications (2)

Publication Number Publication Date
DE2845592A1 DE2845592A1 (de) 1979-04-26
DE2845592C2 true DE2845592C2 (de) 1982-12-23

Family

ID=8135749

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782845592 Expired DE2845592C2 (de) 1977-10-20 1978-10-19 Flugzeit-Anemometer

Country Status (2)

Country Link
DE (1) DE2845592C2 (US07202987-20070410-C00007.png)
DK (1) DK142473B (US07202987-20070410-C00007.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4130526A1 (de) * 1991-09-13 1992-03-05 Rainer Dr Kramer Laser-flugzeit-anemometer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500167A1 (fr) * 1980-12-03 1982-08-20 Onera (Off Nat Aerospatiale) Procede et dispositif pour la mesure simultanee de deux composantes du vecteur vitesse instantanee d'ecoulement d'un fluide, par la mise en oeuvre de barrieres optiques
DK148334C (da) * 1982-04-07 1985-11-04 Risoe Forsoegsanlaeg Fremgangsmaade ved maaling af hastighedsgradienter i et stroemmende medium samt apparat til gennemfoerelse af fremgangsmaaden

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4130526A1 (de) * 1991-09-13 1992-03-05 Rainer Dr Kramer Laser-flugzeit-anemometer

Also Published As

Publication number Publication date
DE2845592A1 (de) 1979-04-26
DK142473B (da) 1980-11-03
DK468177A (US07202987-20070410-C00007.png) 1979-04-21
DK142473C (US07202987-20070410-C00007.png) 1981-03-30

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Legal Events

Date Code Title Description
OAR Request for search filed
OB Request for examination as to novelty
OC Search report available
OD Request for examination
8127 New person/name/address of the applicant

Owner name: DISA ELEKTRONIK A/S, SKOVLUNDE, DK

D2 Grant after examination
8327 Change in the person/name/address of the patent owner

Owner name: DANTEC ELEKTRONIK, MEDICINSK OG VIDENSKABELIGT MAA

8328 Change in the person/name/address of the agent

Free format text: MITSCHERLICH, H., DIPL.-ING. GUNSCHMANN, K., DIPL.-ING. KOERBER, W., DIPL.-ING. DR.RER.NAT. SCHMIDT-EVERS, J., DIPL.-ING. MELZER, W., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee