GB318608A - - Google Patents

Info

Publication number
GB318608A
GB318608A GB15517/29A GB1551729A GB318608A GB 318608 A GB318608 A GB 318608A GB 15517/29 A GB15517/29 A GB 15517/29A GB 1551729 A GB1551729 A GB 1551729A GB 318608 A GB318608 A GB 318608A
Authority
GB
United Kingdom
Prior art keywords
filters
compensator
hand position
filter
electroacustic
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
GB15517/29A
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 GB318608A publication Critical patent/GB318608A/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

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)
GB15517/29A 1928-08-04 1929-05-17 Expired GB318608A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB318608A true GB318608A (enrdf_load_stackoverflow) 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 Before (1)

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

Country Status (1)

Country Link
GB (2) GB316863A (enrdf_load_stackoverflow)

Families Citing this family (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
GB316863A (en) 1930-07-31

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