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FR830170A - Method and device for determining the direction of incidence of oscillatory phenomena, by comparison of their total propagation times - Google Patents

Method and device for determining the direction of incidence of oscillatory phenomena, by comparison of their total propagation times

Info

Publication number
FR830170A
FR830170A FR830170DA FR830170A FR 830170 A FR830170 A FR 830170A FR 830170D A FR830170D A FR 830170DA FR 830170 A FR830170 A FR 830170A
Authority
FR
France
Prior art keywords
incidence
comparison
determining
propagation times
total propagation
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)
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.)
BROWN
BBC Brown Boveri AG Germany
Original Assignee
BROWN
Brown Boveri und Cie AG Germany
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 BROWN, Brown Boveri und Cie AG Germany filed Critical BROWN
Application granted granted Critical
Publication of FR830170A publication Critical patent/FR830170A/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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR830170D 1936-12-01 1937-11-30 Method and device for determining the direction of incidence of oscillatory phenomena, by comparison of their total propagation times Expired FR830170A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH198569T 1936-12-01
GB33279/37A GB495515A (en) 1936-12-01 1937-12-01 Improvements in and relating to the determination of the direction of incidence of oscillatory phenomena

Publications (1)

Publication Number Publication Date
FR830170A true FR830170A (en) 1938-07-22

Family

ID=10350858

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830170D Expired FR830170A (en) 1936-12-01 1937-11-30 Method and device for determining the direction of incidence of oscillatory phenomena, by comparison of their total propagation times

Country Status (4)

Country Link
CH (1) CH198569A (en)
DE (1) DE705417C (en)
FR (1) FR830170A (en)
GB (1) GB495515A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489304A (en) * 1945-06-27 1949-11-29 Standard Telephones Cables Ltd Direction finder
US2496031A (en) * 1947-12-30 1950-01-31 Rca Corp Dual microphone sound detector system
DE1122881B (en) * 1954-09-30 1962-01-25 Electroacustik G M B H Method and device for displaying the position of objects being soldered
US3154778A (en) * 1959-07-31 1964-10-27 Bendix Corp Method and apparatus for obtaining directional locating and detecting characteristics with reduced antenna size
DE1220291B (en) * 1960-06-11 1966-06-30 Atlas Werke Ag Method for determining the direction of incident sound wave energy
US3290590A (en) * 1960-06-29 1966-12-06 Trw Inc Electrical signal analyzing systems
DE3309882C2 (en) * 1983-03-17 1986-04-17 Prakla-Seismos Gmbh, 3000 Hannover Device for determining the direction of incidence of electromagnetic waves

Also Published As

Publication number Publication date
CH198569A (en) 1938-06-30
DE705417C (en) 1941-05-28
GB495515A (en) 1938-11-15

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