GB316863A - Acoustic direction determining device - Google Patents

Acoustic direction determining device

Info

Publication number
GB316863A
GB316863A GB13974/29A GB1397429A GB316863A GB 316863 A GB316863 A GB 316863A GB 13974/29 A GB13974/29 A GB 13974/29A GB 1397429 A GB1397429 A GB 1397429A GB 316863 A GB316863 A GB 316863A
Authority
GB
United Kingdom
Prior art keywords
receivers
filters
eliminate
waves
fixed
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
GB13974/29A
Other languages
English (en)
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.)
ELAC Electroacustic GmbH
Original Assignee
ELAC Electroacustic GmbH
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 ELAC Electroacustic GmbH filed Critical ELAC Electroacustic GmbH
Publication of GB316863A publication Critical patent/GB316863A/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)
  • Mobile Radio Communication Systems (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB13974/29A 1928-08-04 1929-05-04 Acoustic direction determining device Expired GB316863A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE316863X 1928-08-04

Publications (1)

Publication Number Publication Date
GB316863A true GB316863A (en) 1930-07-31

Family

ID=6150585

Family Applications (2)

Application Number Title Priority Date Filing Date
GB13974/29A Expired GB316863A (en) 1928-08-04 1929-05-04 Acoustic direction determining device
GB15517/29A Expired GB318608A (enrdf_load_stackoverflow) 1928-08-04 1929-05-17

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB15517/29A Expired GB318608A (enrdf_load_stackoverflow) 1928-08-04 1929-05-17

Country Status (1)

Country Link
GB (2) GB316863A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746532C (de) * 1937-09-17 1944-12-23 Einrichtung zur Richtungsbestimmung von Schallquellen mit Hilfe der in ihnen enthaltenen hohen Frequenzen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746532C (de) * 1937-09-17 1944-12-23 Einrichtung zur Richtungsbestimmung von Schallquellen mit Hilfe der in ihnen enthaltenen hohen Frequenzen

Also Published As

Publication number Publication date
GB318608A (enrdf_load_stackoverflow) 1930-07-31

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