FR1181240A - Sondeurs ultrasonores pour la pêche - Google Patents

Sondeurs ultrasonores pour la pêche

Info

Publication number
FR1181240A
FR1181240A FR1181240DA FR1181240A FR 1181240 A FR1181240 A FR 1181240A FR 1181240D A FR1181240D A FR 1181240DA FR 1181240 A FR1181240 A FR 1181240A
Authority
FR
France
Prior art keywords
fishing
sounders
ultrasonic
ultrasonic sounders
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.)
Marconi Sounding Device Co Ltd
Original Assignee
Marconi Sounding Device 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
Priority claimed from GB2475756A external-priority patent/GB816119A/en
Application filed by Marconi Sounding Device Co Ltd filed Critical Marconi Sounding Device Co Ltd
Application granted granted Critical
Publication of FR1181240A publication Critical patent/FR1181240A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K25/00—Pulse counters with step-by-step integration and static storage; Analogous frequency dividers
    • 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

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)
FR1181240D 1956-08-13 1957-08-13 Sondeurs ultrasonores pour la pêche Expired FR1181240A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2475756A GB816119A (en) 1956-08-13 Improvements in or relating to sub-aqueous echo sounders for use in fishing

Publications (1)

Publication Number Publication Date
FR1181240A true FR1181240A (fr) 1959-06-12

Family

ID=10216777

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1181240D Expired FR1181240A (fr) 1956-08-13 1957-08-13 Sondeurs ultrasonores pour la pêche

Country Status (4)

Country Link
BE (1) BE560043A (fr)
ES (1) ES237104A1 (fr)
FR (1) FR1181240A (fr)
NL (1) NL219727A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145363A (en) * 1960-03-21 1964-08-18 Kelvin & Hughes Ltd Echo-sounding equipment
US3174127A (en) * 1960-05-26 1965-03-16 Smith & Sons Ltd S Echo sounding
EP0156636A2 (fr) * 1984-03-22 1985-10-02 Salubre Investments Limited Traitement de signaux écho

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145363A (en) * 1960-03-21 1964-08-18 Kelvin & Hughes Ltd Echo-sounding equipment
US3174127A (en) * 1960-05-26 1965-03-16 Smith & Sons Ltd S Echo sounding
EP0156636A2 (fr) * 1984-03-22 1985-10-02 Salubre Investments Limited Traitement de signaux écho
EP0156636A3 (en) * 1984-03-22 1987-02-25 Salubre Investments Limited The processing of reflected signals

Also Published As

Publication number Publication date
ES237104A1 (es) 1958-02-01
NL219727A (fr)
BE560043A (fr)

Similar Documents

Publication Publication Date Title
FR1129736A (fr) Appareil pour la nourriture des volailles
DK103946C (da) Elektroakustisk overdrager.
FR1149799A (fr) Volie pour bateau
FR1150413A (fr) Leurres pour la pêche
FR1181240A (fr) Sondeurs ultrasonores pour la pêche
FR1172393A (fr) Moulinet de pêche
FR1096694A (fr) Monture pour la pêche
FR1133395A (fr) Cuiller pour la pêche
FR1151486A (fr) Auto-frotteur pour jambons
FR1158701A (fr) Navire de pêche
FR1109690A (fr) Cuiller pour la pêche
FR1164577A (fr) Cuiller pour la pêche
FR1158628A (fr) Leurres rotatifs pour la pêche
FR1157050A (fr) Leurre pour la pêche
FR1140953A (fr) Amorce ou appât pour la pêche
FR1126639A (fr) Leurre pour la pêche
FR1171766A (fr) Cuiller pour la pêche
FR1147336A (fr) Abreuvoir pour le bétail
FR69349E (fr) Appareil pour la nourriture des volailles
FR1162052A (fr) Appât pour pêcher la truite
FR1208061A (fr) Flotteur pour la pêche
FR1076852A (fr) Cuiller pour la pêche
FR1215864A (fr) Leurre pour la pêche
FR1098425A (fr) Leurre pour la pêche
FR1109324A (fr) Anti-accrocheur pour leurre pêche