GB453164A - Improvements in or relating to methods of echo sounding - Google Patents

Improvements in or relating to methods of echo sounding

Info

Publication number
GB453164A
GB453164A GB744835A GB744835A GB453164A GB 453164 A GB453164 A GB 453164A GB 744835 A GB744835 A GB 744835A GB 744835 A GB744835 A GB 744835A GB 453164 A GB453164 A GB 453164A
Authority
GB
United Kingdom
Prior art keywords
valve
transmitter
instrument
volume control
reflecting surface
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
GB744835A
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.)
ALEXANDER ASKENASY
Original Assignee
ALEXANDER ASKENASY
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 ALEXANDER ASKENASY filed Critical ALEXANDER ASKENASY
Publication of GB453164A publication Critical patent/GB453164A/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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/12—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/12—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measuring Volume Flow (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB744835A 1934-03-21 1935-03-09 Improvements in or relating to methods of echo sounding Expired GB453164A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL68819A NL40221C (OSRAM) 1934-03-21 1934-03-21

Publications (1)

Publication Number Publication Date
GB453164A true GB453164A (en) 1936-09-07

Family

ID=19786326

Family Applications (1)

Application Number Title Priority Date Filing Date
GB744835A Expired GB453164A (en) 1934-03-21 1935-03-09 Improvements in or relating to methods of echo sounding

Country Status (4)

Country Link
DE (1) DE725379C (OSRAM)
FR (2) FR787383A (OSRAM)
GB (1) GB453164A (OSRAM)
NL (1) NL40221C (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB657314A (en) * 1947-07-02 1951-09-19 Bendix Aviat Corp Echo ranging apparatus
DE886529C (de) * 1950-03-21 1953-08-13 Hoerder Huettenunion Ag Feststellen des leeren Raumes zwischen Beschickungssaeule und der Gicht bei Schachtoefen, insbesondere Hochoefen
DE962589C (de) * 1953-12-08 1957-04-25 Electroacustic Ges M B H Nach dem Impulsrueckstrahlverfahren arbeitende Echoloteinrichtung
US2890437A (en) * 1955-07-18 1959-06-09 Honeywell Regulator Co Sonar apparatus

Also Published As

Publication number Publication date
FR787383A (fr) 1935-09-21
DE725379C (de) 1942-09-21
FR46973E (fr) 1936-11-23
NL40221C (OSRAM) 1937-03-15

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