NO122781B - - Google Patents

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Publication number
NO122781B
NO122781B NO3061/68A NO306168A NO122781B NO 122781 B NO122781 B NO 122781B NO 3061/68 A NO3061/68 A NO 3061/68A NO 306168 A NO306168 A NO 306168A NO 122781 B NO122781 B NO 122781B
Authority
NO
Norway
Prior art keywords
coupling device
echoes
amplifier
signal
echo
Prior art date
Application number
NO3061/68A
Other languages
English (en)
Norwegian (no)
Inventor
H Purnhagen
Original Assignee
Krupp Gmbh
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 Krupp Gmbh filed Critical Krupp Gmbh
Publication of NO122781B publication Critical patent/NO122781B/no

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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523Details of pulse systems
    • G01S7/526Receivers
    • G01S7/527Extracting wanted echo signals
    • 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
    • Y10S367/901Noise 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)
NO3061/68A 1967-08-12 1968-08-05 NO122781B (en, 2012)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0093957 1967-08-12

Publications (1)

Publication Number Publication Date
NO122781B true NO122781B (en, 2012) 1971-08-09

Family

ID=6987261

Family Applications (1)

Application Number Title Priority Date Filing Date
NO3061/68A NO122781B (en, 2012) 1967-08-12 1968-08-05

Country Status (5)

Country Link
US (1) US3460059A (en, 2012)
DE (1) DE1566848C3 (en, 2012)
FR (1) FR1575423A (en, 2012)
GB (1) GB1212108A (en, 2012)
NO (1) NO122781B (en, 2012)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3617998A (en) * 1969-06-30 1971-11-02 Raytheon Co Noise signal detector
FR2583888A1 (fr) * 1985-06-25 1986-12-26 Int Detection Protection Dispositif pour la detection selective par ultrasons de la presence d'un objet a l'interieur d'une zone determinee
DE3633420A1 (de) * 1986-10-01 1988-04-07 Krupp Gmbh Echolot

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK89938C (da) * 1956-07-28 1960-10-31 Atlas Werke Ag Fremgangsmåde til optegning af modtagne ekko ved ekkolodning samt forstærkerkoblinger til brug ved gennemførelse af fremgangsmåden.
DE1270452B (de) * 1964-01-10 1968-06-12 Electroacustic Gmbh Echolotgeraet zur auswertbaren Aufzeichnung von Echos, deren Amplituden von sehr unterschiedlicher Groesse sind

Also Published As

Publication number Publication date
FR1575423A (en, 2012) 1969-07-18
GB1212108A (en) 1970-11-11
DE1566848B2 (de) 1974-12-05
US3460059A (en) 1969-08-05
DE1566848C3 (de) 1975-07-10
DE1566848A1 (de) 1970-04-30

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