NO120461B - - Google Patents

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Publication number
NO120461B
NO120461B NO155782A NO15578264A NO120461B NO 120461 B NO120461 B NO 120461B NO 155782 A NO155782 A NO 155782A NO 15578264 A NO15578264 A NO 15578264A NO 120461 B NO120461 B NO 120461B
Authority
NO
Norway
Prior art keywords
voltage
echo
echo signal
channel
display device
Prior art date
Application number
NO155782A
Other languages
English (en)
Norwegian (no)
Inventor
H Drenkelfort
Original Assignee
Electroacustic 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 Electroacustic Gmbh filed Critical Electroacustic Gmbh
Publication of NO120461B publication Critical patent/NO120461B/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
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
NO155782A 1964-01-23 1964-11-27 NO120461B (sk)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE26281A DE1275919B (de) 1964-01-23 1964-01-23 Verfahren und Vorrichtung zur unterschiedlichen Echoanzeige von verschiedenen oder vielschichtigen Objekten

Publications (1)

Publication Number Publication Date
NO120461B true NO120461B (sk) 1970-10-19

Family

ID=7072078

Family Applications (1)

Application Number Title Priority Date Filing Date
NO155782A NO120461B (sk) 1964-01-23 1964-11-27

Country Status (7)

Country Link
US (1) US3332056A (sk)
BE (1) BE657951A (sk)
DE (1) DE1275919B (sk)
FR (1) FR1422454A (sk)
GB (1) GB1097445A (sk)
NO (1) NO120461B (sk)
SE (1) SE328809B (sk)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO130133B (sk) * 1969-05-28 1974-07-08 Krupp Gmbh
US4081783A (en) * 1975-09-26 1978-03-28 Keisuke Honda Fish finder capable of discriminating sizes of fish
US4052692A (en) * 1975-11-24 1977-10-04 Freeman Arthur W Accentuator circuit for underwater acoustical devices
US4369508A (en) * 1978-12-15 1983-01-18 Lowrance Electronics, Inc. Sonar having signal amplitude differentiation and noise suppression
US4410966A (en) * 1981-05-08 1983-10-18 The United States Of America As Represented By The Administrator Of Environmental Protection Agency Method and apparatus for detection of insoluble sinking pollutants
DE3133080C2 (de) * 1981-08-21 1983-05-26 Honeywell-Elac-Nautik Gmbh, 2300 Kiel Schaltungsanordnung für Echolotgeräte
US4597069A (en) * 1983-10-17 1986-06-24 Transdynamics Inc. Depthsounder/fish finder

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558868A (en) * 1946-07-01 1951-07-03 Socony Vacuum Oil Co Inc Seismic recording system
US2728899A (en) * 1948-08-03 1955-12-27 Honeywell Regulator Co Receiver blanking circuit for pulse transmission-reception systems
US2987701A (en) * 1955-05-31 1961-06-06 California Research Corp Methods and apparatus for eliminating singing components from seismic signals
DE1103819B (de) * 1955-08-08 1961-03-30 Electroacustic Gmbh Impulsecholotgeraet fuer Unterwasserschallortung
NL113463C (sk) * 1956-05-01
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.
GB907060A (sk) * 1960-05-26

Also Published As

Publication number Publication date
FR1422454A (fr) 1965-12-24
US3332056A (en) 1967-07-18
BE657951A (sk) 1965-04-30
DE1275919B (de) 1968-08-22
SE328809B (sk) 1970-09-21
GB1097445A (en) 1968-01-03

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