GB789225A - Submarine echo-sounding apparatus for fishing vessels - Google Patents

Submarine echo-sounding apparatus for fishing vessels

Info

Publication number
GB789225A
GB789225A GB2782754A GB2782754A GB789225A GB 789225 A GB789225 A GB 789225A GB 2782754 A GB2782754 A GB 2782754A GB 2782754 A GB2782754 A GB 2782754A GB 789225 A GB789225 A GB 789225A
Authority
GB
United Kingdom
Prior art keywords
transducer
echo
net
fish
oscillator
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
GB2782754A
Other languages
English (en)
Inventor
Pierre Nicolas Schutz
Ralph William Woodgate
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.)
ELECTRICITE ET DE RADIO SOC GE
PYE MARINE Ltd
Original Assignee
ELECTRICITE ET DE RADIO SOC GE
PYE MARINE 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 ELECTRICITE ET DE RADIO SOC GE, PYE MARINE Ltd filed Critical ELECTRICITE ET DE RADIO SOC GE
Priority to GB2782754A priority Critical patent/GB789225A/en
Priority to US539541A priority patent/US2853824A/en
Priority to ES0224153A priority patent/ES224153A1/es
Priority to BE541587A priority patent/BE541587A/xx
Priority to FR1136851D priority patent/FR1136851A/fr
Publication of GB789225A publication Critical patent/GB789225A/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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications
    • G01S15/96Sonar systems specially adapted for specific applications for locating fish

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB2782754A 1954-09-27 1954-09-27 Submarine echo-sounding apparatus for fishing vessels Expired GB789225A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB2782754A GB789225A (en) 1954-09-27 1954-09-27 Submarine echo-sounding apparatus for fishing vessels
US539541A US2853824A (en) 1954-09-27 1955-09-19 Submarine echo-sounding apparatus for fishing vessels
ES0224153A ES224153A1 (es) 1954-09-27 1955-09-26 Un aparato submarino de sondeo por eco
BE541587A BE541587A (enrdf_load_stackoverflow) 1954-09-27 1955-09-26
FR1136851D FR1136851A (fr) 1954-09-27 1955-09-27 Dispositif de sondage sous-marin par écho

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2782754A GB789225A (en) 1954-09-27 1954-09-27 Submarine echo-sounding apparatus for fishing vessels

Publications (1)

Publication Number Publication Date
GB789225A true GB789225A (en) 1958-01-15

Family

ID=10265945

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2782754A Expired GB789225A (en) 1954-09-27 1954-09-27 Submarine echo-sounding apparatus for fishing vessels

Country Status (4)

Country Link
BE (1) BE541587A (enrdf_load_stackoverflow)
ES (1) ES224153A1 (enrdf_load_stackoverflow)
FR (1) FR1136851A (enrdf_load_stackoverflow)
GB (1) GB789225A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105738906A (zh) * 2016-03-28 2016-07-06 中国船舶重工集团公司第七一〇研究所 一种小型拖网渔船捕捞用无缆网位仪

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105738906A (zh) * 2016-03-28 2016-07-06 中国船舶重工集团公司第七一〇研究所 一种小型拖网渔船捕捞用无缆网位仪

Also Published As

Publication number Publication date
BE541587A (enrdf_load_stackoverflow) 1955-10-15
ES224153A1 (es) 1956-02-01
FR1136851A (fr) 1957-05-21

Similar Documents

Publication Publication Date Title
US2788509A (en) Echo sounding apparatus
DE2233241A1 (de) Doppler-geschwindigkeitslog fuer seefahrzeuge
US2853824A (en) Submarine echo-sounding apparatus for fishing vessels
GB1011509A (en) Fish detection sonar apparatus
US4234941A (en) Verbal read-out depth sounding system
US3673552A (en) Method and apparatus for compiling measured values of a variable parameter
EP0125249A1 (en) Sonar system
GB789225A (en) Submarine echo-sounding apparatus for fishing vessels
GB798105A (en) Improvements in or relating to apparatus for determining the depth of an object in water
GB664360A (enrdf_load_stackoverflow)
US2757354A (en) Echo locating systems using sonic or supersonic pulses
US4013991A (en) Fish locator
GB644433A (en) Improvements in or relating to echo sounding apparatus
Coombs et al. Configurations and calibrations of 38 kHz fishery acoustic survey systems, 1991–2000
Hearn Underwater acoustic telemetry
GB1349968A (en) Echo sounding apparatus
EP0016597A1 (en) A pulse radar system
US4188608A (en) Fish detection apparatus
Hersey Acoustically monitored bottom coring
US3460059A (en) Circuit arrangement for echo sounders
US3040293A (en) Subaqueous echo sounders
JP3822654B2 (ja) 魚群探知機
Hopkin Cathode-ray tube displays for fish detection on trawlers
US3264603A (en) Marine echo sounding apparatus
GB998489A (en) Improvements in or relating to underwater detection equipment