GB421338A - Improvements in or relating to apparatus for acoustically determining depths and other distances - Google Patents

Improvements in or relating to apparatus for acoustically determining depths and other distances

Info

Publication number
GB421338A
GB421338A GB1733233A GB1733233A GB421338A GB 421338 A GB421338 A GB 421338A GB 1733233 A GB1733233 A GB 1733233A GB 1733233 A GB1733233 A GB 1733233A GB 421338 A GB421338 A GB 421338A
Authority
GB
United Kingdom
Prior art keywords
stylus
chart
echo
class
depth
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
GB1733233A
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.)
Submarine Signal Co
Original Assignee
Submarine Signal Co
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 Submarine Signal Co filed Critical Submarine Signal Co
Priority to GB1733233A priority Critical patent/GB421338A/en
Priority to FR774600D priority patent/FR774600A/fr
Publication of GB421338A publication Critical patent/GB421338A/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)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
GB1733233A 1933-06-17 1933-06-17 Improvements in or relating to apparatus for acoustically determining depths and other distances Expired GB421338A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1733233A GB421338A (en) 1933-06-17 1933-06-17 Improvements in or relating to apparatus for acoustically determining depths and other distances
FR774600D FR774600A (fr) 1933-06-17 1934-06-16 Perfectionnements aux appareils servant à déterminer la profondeur ou la distance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1733233A GB421338A (en) 1933-06-17 1933-06-17 Improvements in or relating to apparatus for acoustically determining depths and other distances

Publications (1)

Publication Number Publication Date
GB421338A true GB421338A (en) 1934-12-17

Family

ID=10093314

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1733233A Expired GB421338A (en) 1933-06-17 1933-06-17 Improvements in or relating to apparatus for acoustically determining depths and other distances

Country Status (2)

Country Link
FR (1) FR774600A (fr)
GB (1) GB421338A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE893170C (de) * 1936-02-06 1953-10-12 Atlas Werke Ag Anzeige- und Schreibgeraet fuer die Abstandsmessung nach der Echomethode
DE971504C (de) * 1952-03-18 1959-02-05 Electroacustic Ges M B H Echolotgeraet mit Anzeige durch eine Braunsche Roehre und Registriergeraet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE893170C (de) * 1936-02-06 1953-10-12 Atlas Werke Ag Anzeige- und Schreibgeraet fuer die Abstandsmessung nach der Echomethode
DE971504C (de) * 1952-03-18 1959-02-05 Electroacustic Ges M B H Echolotgeraet mit Anzeige durch eine Braunsche Roehre und Registriergeraet

Also Published As

Publication number Publication date
FR774600A (fr) 1934-12-08

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