FR784849A - Installation for the optical-acoustic determination of sound sources - Google Patents

Installation for the optical-acoustic determination of sound sources

Info

Publication number
FR784849A
FR784849A FR784849DA FR784849A FR 784849 A FR784849 A FR 784849A FR 784849D A FR784849D A FR 784849DA FR 784849 A FR784849 A FR 784849A
Authority
FR
France
Prior art keywords
installation
optical
sound sources
acoustic determination
acoustic
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 FR784849A publication Critical patent/FR784849A/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)
FR784849D 1935-01-17 1935-01-17 Installation for the optical-acoustic determination of sound sources Expired FR784849A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR784849T 1935-01-17

Publications (1)

Publication Number Publication Date
FR784849A true FR784849A (en) 1935-07-25

Family

ID=9217528

Family Applications (1)

Application Number Title Priority Date Filing Date
FR784849D Expired FR784849A (en) 1935-01-17 1935-01-17 Installation for the optical-acoustic determination of sound sources

Country Status (1)

Country Link
FR (1) FR784849A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2459206A (en) * 1945-12-19 1949-01-18 Wheeler Phillip Rood Cathode-ray tube gunsight

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2459206A (en) * 1945-12-19 1949-01-18 Wheeler Phillip Rood Cathode-ray tube gunsight

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