FR791184A - Single observation station acoustic altimeter - Google Patents

Single observation station acoustic altimeter

Info

Publication number
FR791184A
FR791184A FR791184DA FR791184A FR 791184 A FR791184 A FR 791184A FR 791184D A FR791184D A FR 791184DA FR 791184 A FR791184 A FR 791184A
Authority
FR
France
Prior art keywords
observation station
single observation
station acoustic
altimeter
acoustic altimeter
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)
Inventor
Harlas Jiri
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.)
TECHNICKY PRUMYSL AKCIOVA SPOL
Original Assignee
TECHNICKY PRUMYSL AKCIOVA SPOL
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 TECHNICKY PRUMYSL AKCIOVA SPOL filed Critical TECHNICKY PRUMYSL AKCIOVA SPOL
Application granted granted Critical
Publication of FR791184A publication Critical patent/FR791184A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/72Beacons 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
FR791184D 1935-01-30 1935-04-27 Single observation station acoustic altimeter Expired FR791184A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS791184X 1935-01-30

Publications (1)

Publication Number Publication Date
FR791184A true FR791184A (en) 1935-12-05

Family

ID=5455549

Family Applications (1)

Application Number Title Priority Date Filing Date
FR791184D Expired FR791184A (en) 1935-01-30 1935-04-27 Single observation station acoustic altimeter

Country Status (1)

Country Link
FR (1) FR791184A (en)

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