FR866338A - Dispositif pour le repérage par le son - Google Patents

Dispositif pour le repérage par le son

Info

Publication number
FR866338A
FR866338A FR866338DA FR866338A FR 866338 A FR866338 A FR 866338A FR 866338D A FR866338D A FR 866338DA FR 866338 A FR866338 A FR 866338A
Authority
FR
France
Prior art keywords
sound tracking
tracking
sound
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
English (en)
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger 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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR866338A publication Critical patent/FR866338A/fr
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)
FR866338D 1940-03-08 1940-03-08 Dispositif pour le repérage par le son Expired FR866338A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR866338T 1940-03-08

Publications (1)

Publication Number Publication Date
FR866338A true FR866338A (fr) 1941-07-28

Family

ID=9344874

Family Applications (1)

Application Number Title Priority Date Filing Date
FR866338D Expired FR866338A (fr) 1940-03-08 1940-03-08 Dispositif pour le repérage par le son

Country Status (1)

Country Link
FR (1) FR866338A (fr)

Similar Documents

Publication Publication Date Title
CH272950A (fr) Dispositif amplificateur d'oscillations électriques.
FR938296A (fr) Dispositif téléphonique
FR867497A (fr) Dispositif de protection pour bicyclettes
FR866338A (fr) Dispositif pour le repérage par le son
FR951361A (fr) Dispositif d'accord
FR938800A (fr) Dispositif téléphonique
FR869603A (fr) Dispositif goniométrique destiné au repérage
FR877445A (fr) Dispositif de lampe
FR877851A (fr) Dispositif acoustique d'alarme
FR898055A (fr) Dispositif de suspension pour automobiles
FR885617A (fr) Dispositif réfléchissant
FR869511A (fr) Dispositif goniométrique destiné au repérage
FR885658A (fr) Dispositif d'équilibrage pour pompes
FR878458A (fr) Dispositif reproducteur pour machine-outil
FR872347A (fr) Dispositif anti-vol pour bicyclette
FR871924A (fr) Dispositif pour ondes ultra-courtes
FR866329A (fr) Dispositif pour lancement de tracts
FR879741A (fr) Dispositif radiogoniométrique
FR864546A (fr) Appareil perfectionné pour le repérage par le son
FR871826A (fr) Dispositif réfrigérant
FR949648A (fr) Dispositif antivol
FR896899A (fr) Dispositif pour le perçage
FR877343A (fr) Dispositif éclairant pour bras de pick-up de machines parlantes
FR904305A (fr) Dispositif de filtration
FR866700A (fr) Dispositif de recomposition de lumière