NL137773C - - Google Patents

Info

Publication number
NL137773C
NL137773C NL137773DA NL137773C NL 137773 C NL137773 C NL 137773C NL 137773D A NL137773D A NL 137773DA NL 137773 C NL137773 C NL 137773C
Authority
NL
Netherlands
Application number
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.)
Publication of NL137773C publication Critical patent/NL137773C/xx

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
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/04Systems determining presence of a target
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00Communications, electrical: acoustic wave systems and devices
    • Y10S367/90Sonar time varied gain control systems
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00Communications, electrical: acoustic wave systems and devices
    • Y10S367/905Side lobe reduction or shading

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)
NL137773D 1960-03-21 NL137773C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9968/60A GB908905A (en) 1960-03-21 1960-03-21 Improvements in echo-sounding equipment

Publications (1)

Publication Number Publication Date
NL137773C true NL137773C (en:Method)

Family

ID=9882094

Family Applications (2)

Application Number Title Priority Date Filing Date
NL137773D NL137773C (en:Method) 1960-03-21
NL262568D NL262568A (en:Method) 1960-03-21

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL262568D NL262568A (en:Method) 1960-03-21

Country Status (8)

Country Link
US (1) US3145363A (en:Method)
BE (1) BE601545A (en:Method)
DE (1) DE1226004B (en:Method)
DK (1) DK114323B (en:Method)
ES (1) ES265876A1 (en:Method)
FR (1) FR1284394A (en:Method)
GB (1) GB908905A (en:Method)
NL (2) NL262568A (en:Method)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1104094A (en) * 1963-11-29 1968-02-21 Plessey Uk Ltd Improvements in or relating to echo sounders
GB1109443A (en) * 1964-05-29 1968-04-10 Smiths Industries Ltd Echo-sounding apparatus for examining strata below the sea-bed
US3368761A (en) * 1965-10-15 1968-02-13 Mack Trucks Variable flow rate fuel injection nozzle
US3416127A (en) * 1968-01-02 1968-12-10 Bendix Corp Fish counting device
GB8407512D0 (en) * 1984-03-22 1984-05-31 Salubre Investments Processing of reflected signals
DE3873739D1 (de) * 1988-02-11 1992-09-17 Honeywell Regelsysteme Gmbh Ultraschall-naeherungsschalter.
JP2009300220A (ja) * 2008-06-12 2009-12-24 Furuno Electric Co Ltd 水中探知装置
KR101578771B1 (ko) * 2014-02-18 2015-12-18 노틸러스효성 주식회사 이매 검지용 초음파 센서 및 이를 이용한 이매 검지 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476902A (en) * 1948-06-10 1949-07-19 Gen Precision Lab Inc Depth sounder
DE1019939B (de) * 1952-06-21 1957-11-21 Atlas Werke Ag Verfahren zur selbsttaetigen Empfindlichkeitsregelung von Echoloten
BE544683A (en:Method) * 1957-01-24
BE560043A (en:Method) * 1956-08-13
GB816119A (en) * 1956-08-13 1959-07-08 Marconi Wireless Telegraph Co Improvements in or relating to sub-aqueous echo sounders for use in fishing

Also Published As

Publication number Publication date
GB908905A (en) 1962-10-24
FR1284394A (fr) 1962-02-09
ES265876A1 (es) 1961-09-16
DE1226004B (de) 1966-09-29
NL262568A (en:Method)
DK114323B (da) 1969-06-16
BE601545A (fr) 1961-07-17
US3145363A (en) 1964-08-18

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