NO162170C - Anordning til avlytting av mottatte akustiske signaler. - Google Patents

Anordning til avlytting av mottatte akustiske signaler.

Info

Publication number
NO162170C
NO162170C NO851397A NO851397A NO162170C NO 162170 C NO162170 C NO 162170C NO 851397 A NO851397 A NO 851397A NO 851397 A NO851397 A NO 851397A NO 162170 C NO162170 C NO 162170C
Authority
NO
Norway
Prior art keywords
audio
acoustic signals
received acoustic
received
signals
Prior art date
Application number
NO851397A
Other languages
English (en)
Other versions
NO851397L (no
NO162170B (no
Inventor
Manfred Meyersieck
Otto Voss
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 NO851397L publication Critical patent/NO851397L/no
Publication of NO162170B publication Critical patent/NO162170B/no
Publication of NO162170C publication Critical patent/NO162170C/no

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
    • 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
    • G01S7/539—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
    • 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
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/001—Acoustic presence detection

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
NO851397A 1984-04-11 1985-04-03 Anordning til avlytting av mottatte akustiske signaler. NO162170C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843413561 DE3413561A1 (de) 1984-04-11 1984-04-11 Vorrichtung zum abhoeren empfangener akustischer signale

Publications (3)

Publication Number Publication Date
NO851397L NO851397L (no) 1985-10-14
NO162170B NO162170B (no) 1989-08-07
NO162170C true NO162170C (no) 1989-11-15

Family

ID=6233219

Family Applications (1)

Application Number Title Priority Date Filing Date
NO851397A NO162170C (no) 1984-04-11 1985-04-03 Anordning til avlytting av mottatte akustiske signaler.

Country Status (3)

Country Link
DE (1) DE3413561A1 (no)
FR (1) FR2563014B1 (no)
NO (1) NO162170C (no)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064235A (en) * 1955-11-07 1962-11-13 Keith E Geren Audible broadband sonar monitor
US3685009A (en) * 1970-06-19 1972-08-15 Sperry Rand Corp Lookout assist device
US4528689A (en) * 1981-09-22 1985-07-09 International Acoustics Incorporated Sound monitoring apparatus

Also Published As

Publication number Publication date
FR2563014A1 (fr) 1985-10-18
NO851397L (no) 1985-10-14
DE3413561A1 (de) 1985-10-24
FR2563014B1 (fr) 1987-12-11
NO162170B (no) 1989-08-07

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