FR782213A - Spotting scope with sound wave goniometer, operating by intensity measurement - Google Patents

Spotting scope with sound wave goniometer, operating by intensity measurement

Info

Publication number
FR782213A
FR782213A FR782213DA FR782213A FR 782213 A FR782213 A FR 782213A FR 782213D A FR782213D A FR 782213DA FR 782213 A FR782213 A FR 782213A
Authority
FR
France
Prior art keywords
goniometer
operating
sound wave
intensity measurement
spotting scope
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
Peter Heinrich
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 filed Critical
Application granted granted Critical
Publication of FR782213A publication Critical patent/FR782213A/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)
FR782213D 1934-03-10 1934-12-03 Spotting scope with sound wave goniometer, operating by intensity measurement Expired FR782213A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE782213X 1934-03-10

Publications (1)

Publication Number Publication Date
FR782213A true FR782213A (en) 1935-05-31

Family

ID=6693616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR782213D Expired FR782213A (en) 1934-03-10 1934-12-03 Spotting scope with sound wave goniometer, operating by intensity measurement

Country Status (1)

Country Link
FR (1) FR782213A (en)

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