FR773028A - Procédé de balisage acoustique - Google Patents

Procédé de balisage acoustique

Info

Publication number: FR773028A
Authority: FR; France
Prior art keywords: acoustic; beaconing process; beaconing; acoustic beaconing
Prior art date: 1933-08-10
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

Inventor

Andre Cottet

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.)

1933-08-10

Filing date

1933-08-10

Publication date

1934-11-10

1933-08-10 Application filed filed Critical

1934-11-10 Application granted granted Critical

1934-11-10 Publication of FR773028A publication Critical patent/FR773028A/fr

Status Expired legal-status Critical Current

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)

FR773028D 1933-08-10 1933-08-10 Procédé de balisage acoustique Expired FR773028A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR773028T		1933-08-10

Publications (1)

Publication Number	Publication Date
FR773028A true FR773028A (fr)	1934-11-10

Family

ID=9196263

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR773028D Expired FR773028A (fr)	1933-08-10	1933-08-10	Procédé de balisage acoustique

Country Status (1)

Country	Link
FR (1)	FR773028A (fr)

1933
- 1933-08-10 FR FR773028D patent/FR773028A/fr not_active Expired

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