NL216748A - - Google Patents

Info

Publication number
NL216748A
NL216748A NL216748DA NL216748A NL 216748 A NL216748 A NL 216748A NL 216748D A NL216748D A NL 216748DA NL 216748 A NL216748 A NL 216748A
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 NL216748A publication Critical patent/NL216748A/xx

Links

Classifications

    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • 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
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/20—Inserts
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/901—Noise or unwanted signal reduction in nonseismic receiving system

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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
NL216748D 1956-05-01 NL216748A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB13437/56A GB865111A (en) 1956-05-01 1956-05-01 Improvements in and relating to echo ranging and like systems

Publications (1)

Publication Number Publication Date
NL216748A true NL216748A (xx)

Family

ID=10022977

Family Applications (2)

Application Number Title Priority Date Filing Date
NL113463D NL113463C (xx) 1956-05-01
NL216748D NL216748A (xx) 1956-05-01

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL113463D NL113463C (xx) 1956-05-01

Country Status (6)

Country Link
US (1) US3098210A (xx)
BE (1) BE557101A (xx)
DE (1) DE1136248B (xx)
FR (1) FR1174404A (xx)
GB (1) GB865111A (xx)
NL (2) NL216748A (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1266669B (de) * 1962-10-19 1968-04-18 Electroacustic Gmbh Verfahren und Vorrichtung zum getrennten Aufzeichnen von ueber dem Meeresgrund befindlichen Reflektoren, z. B. von Fischschwaermen, durch Echolotung
US3309650A (en) * 1963-09-24 1967-03-14 Ross Lab Inc Pulse-echo sounder system
DE1270452B (de) * 1964-01-10 1968-06-12 Electroacustic Gmbh Echolotgeraet zur auswertbaren Aufzeichnung von Echos, deren Amplituden von sehr unterschiedlicher Groesse sind
DE1275919B (de) * 1964-01-23 1968-08-22 Electroacustic Gmbh Verfahren und Vorrichtung zur unterschiedlichen Echoanzeige von verschiedenen oder vielschichtigen Objekten
US3497867A (en) * 1966-02-03 1970-02-24 Electroacustic Gmbh Sonar method and apparatus for recording reflectors,for example schools of fish
US3975704A (en) * 1974-11-04 1976-08-17 Klein Associates, Inc. Method of and apparatus for sonar and related signal texture enhancement of recording media
US3986389A (en) * 1975-11-03 1976-10-19 Jones & Laughlin Steel Corporation Gating control system in ultrasonic inspection apparatus
US4052692A (en) * 1975-11-24 1977-10-04 Freeman Arthur W Accentuator circuit for underwater acoustical devices
US4380807A (en) * 1979-10-03 1983-04-19 Polaroid Corporation Echo recognition system
US4308601A (en) * 1980-06-27 1981-12-29 David R. Plotnik Echo ranging apparatus and method
US4829493A (en) * 1985-06-14 1989-05-09 Techsonic Industries, Inc. Sonar fish and bottom finder and display
US4873676A (en) * 1985-06-14 1989-10-10 Techsonic Industries, Inc. Sonar depth sounder apparatus

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2333688A (en) * 1937-10-29 1943-11-09 Rca Corp Distance measuring system
US2400309A (en) * 1941-10-31 1946-05-14 Baldwin Co Oscillation generator
US2539553A (en) * 1945-10-19 1951-01-30 Raytheon Mfg Co Recording system
US2502938A (en) * 1947-05-21 1950-04-04 Raytheon Mfg Co Sound ranging distance measuring system
US2656531A (en) * 1950-09-12 1953-10-20 Atlas David Device to permit radar contour mapping of rain intensity in rainstorms
US2786993A (en) * 1953-03-10 1957-03-26 Du Mont Allen B Lab Inc Radar controur circuit
US2861254A (en) * 1954-06-15 1958-11-18 Clevite Corp Pulse-echo system
US2853824A (en) * 1954-09-27 1958-09-30 Pye Marine Ltd Submarine echo-sounding apparatus for fishing vessels
US2859437A (en) * 1954-10-12 1958-11-04 Atlas David Radar contour mapping device

Also Published As

Publication number Publication date
GB865111A (en) 1961-04-12
FR1174404A (fr) 1959-03-11
BE557101A (xx)
NL113463C (xx)
DE1136248B (de) 1962-09-06
US3098210A (en) 1963-07-16

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