FR1034782A - Perfectionnements aux sondeurs à écho - Google Patents

Perfectionnements aux sondeurs à écho

Info

Publication number
FR1034782A
FR1034782A FR1034782DA FR1034782A FR 1034782 A FR1034782 A FR 1034782A FR 1034782D A FR1034782D A FR 1034782DA FR 1034782 A FR1034782 A FR 1034782A
Authority
FR
France
Prior art keywords
refinements
echo sounder
sounder
echo
sounder refinements
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
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR1034782A publication Critical patent/FR1034782A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
    • H03K3/55—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a gas-filled tube having a control electrode
    • 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
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/96—Sonar systems specially adapted for specific applications for locating fish
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/524—Transmitters

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)
  • Electrotherapy Devices (AREA)
  • Fire Alarms (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
FR1034782D 1950-03-27 1951-02-07 Perfectionnements aux sondeurs à écho Expired FR1034782A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7661/50A GB694176A (en) 1950-03-27 1950-03-27 Improvements in or relating to echo sounders

Publications (1)

Publication Number Publication Date
FR1034782A true FR1034782A (fr) 1953-07-31

Family

ID=9837387

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1034782D Expired FR1034782A (fr) 1950-03-27 1951-02-07 Perfectionnements aux sondeurs à écho

Country Status (5)

Country Link
US (1) US2719280A (fr)
BE (1) BE502084A (fr)
ES (1) ES197050A1 (fr)
FR (1) FR1034782A (fr)
GB (1) GB694176A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE954135C (de) * 1953-02-17 1956-12-13 Atlas Werke Ag Schaltungsanordnung zur Stosserregung durch Kondensatorentladung
US3424268A (en) * 1959-08-26 1969-01-28 Shell Oil Co Velocity well logging

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2110015A (en) * 1932-03-09 1938-03-01 Gen Electric Electric timing and counting device
US2167536A (en) * 1937-06-09 1939-07-25 Gen Electric Submarine signaling

Also Published As

Publication number Publication date
US2719280A (en) 1955-09-27
BE502084A (fr)
GB694176A (en) 1953-07-15
ES197050A1 (es) 1953-04-01

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