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
NL137773D 1960-03-21 NL137773C (xx)

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 (xx)

Family

ID=9882094

Family Applications (2)

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

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL262568D NL262568A (xx) 1960-03-21

Country Status (8)

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

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
EP0327656B1 (de) * 1988-02-11 1992-08-12 Honeywell Regelsysteme GmbH Ultraschall-Näherungsschalter
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 (xx) * 1957-01-24
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
BE560043A (xx) * 1956-08-13

Also Published As

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

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