[go: up one dir, main page]

FR790090A - Corrector for aircraft sound tracking device - Google Patents

Corrector for aircraft sound tracking device

Info

Publication number
FR790090A
FR790090A FR790090DA FR790090A FR 790090 A FR790090 A FR 790090A FR 790090D A FR790090D A FR 790090DA FR 790090 A FR790090 A FR 790090A
Authority
FR
France
Prior art keywords
corrector
tracking device
sound tracking
aircraft sound
aircraft
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
Other languages
French (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.)
Anciens Etablissements Sautter Harle
Original Assignee
Anciens Etablissements Sautter Harle
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 Anciens Etablissements Sautter Harle filed Critical Anciens Etablissements Sautter Harle
Application granted granted Critical
Publication of FR790090A publication Critical patent/FR790090A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR790090D 1934-08-14 1934-08-14 Corrector for aircraft sound tracking device Expired FR790090A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR790090T 1934-08-14

Publications (1)

Publication Number Publication Date
FR790090A true FR790090A (en) 1935-11-12

Family

ID=9220755

Family Applications (1)

Application Number Title Priority Date Filing Date
FR790090D Expired FR790090A (en) 1934-08-14 1934-08-14 Corrector for aircraft sound tracking device

Country Status (1)

Country Link
FR (1) FR790090A (en)

Similar Documents

Publication Publication Date Title
FR790090A (en) Corrector for aircraft sound tracking device
FR781580A (en) Device for waving
FR47362E (en) Corrector for aircraft sound tracking device
FR807999A (en) Seat for w device. vs.
FR753192A (en) Projector device for artificial pigeons
FR797097A (en) Cutting device
FR54352E (en) Improvements to aircraft sound tracking devices
FR787090A (en) Separator device
FR795076A (en) Device for listening by conduction of bones
FR782504A (en) Adjustment device for phonographic reproducers
FR768144A (en) Projection device
FR44950E (en) Projection device
FR948481A (en) Improvements to aircraft sound tracking devices
FR54351E (en) Improvements to aircraft sound tracking devices
FR788980A (en) Device for skin sutures
FR828879A (en) Additional device for sound recording device
FR774848A (en) Distributor of compaginerges for churches
FR774811A (en) Device for shooting pigeons
CA339883A (en) Sound pickup device
FI15993A (en) Device for skis
FR778508A (en) Receiving device for teleprinter
FR805709A (en) Device for so-called permanent waves
FR782989A (en) Listening device corrector for sound shooting
FR774383A (en) Dial for t device. s. f.
FR772419A (en) Fumivorous device