AU6281080A - Echo recognition system - Google Patents

Echo recognition system

Info

Publication number
AU6281080A
AU6281080A AU62810/80A AU6281080A AU6281080A AU 6281080 A AU6281080 A AU 6281080A AU 62810/80 A AU62810/80 A AU 62810/80A AU 6281080 A AU6281080 A AU 6281080A AU 6281080 A AU6281080 A AU 6281080A
Authority
AU
Australia
Prior art keywords
recognition system
echo recognition
echo
recognition
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
AU62810/80A
Other versions
AU536697B2 (en
Inventor
John M. Reynard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Publication of AU6281080A publication Critical patent/AU6281080A/en
Application granted granted Critical
Publication of AU536697B2 publication Critical patent/AU536697B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals

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)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
AU62810/80A 1979-10-03 1980-09-30 Echo recognition system Ceased AU536697B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8135779A 1979-10-03 1979-10-03
US81357 1987-08-04

Publications (2)

Publication Number Publication Date
AU6281080A true AU6281080A (en) 1981-04-09
AU536697B2 AU536697B2 (en) 1984-05-17

Family

ID=22163638

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62810/80A Ceased AU536697B2 (en) 1979-10-03 1980-09-30 Echo recognition system

Country Status (10)

Country Link
JP (1) JPS5660374A (en)
AT (1) AT375198B (en)
AU (1) AU536697B2 (en)
CA (1) CA1154140A (en)
CH (1) CH651387A5 (en)
DE (1) DE3037139A1 (en)
FR (1) FR2466780B1 (en)
GB (1) GB2059590B (en)
IE (1) IE50163B1 (en)
IT (1) IT1133656B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8334394D0 (en) * 1983-12-23 1984-02-01 Czajowski S B Electrical circuits
EP0173243B1 (en) * 1984-08-28 1991-01-16 Hewlett-Packard Company Apparatus for measuring the velocity of a stream of particles
DE4433957A1 (en) * 1994-09-23 1996-03-28 Mayser Gmbh & Co Ultrasonic obstacle detection method
GB2338132B (en) * 1998-06-02 2003-05-28 Federal Ind Ind Group Inc Echo detection in echo ranging systems
DE102012200024A1 (en) 2012-01-02 2013-07-04 Robert Bosch Gmbh Method and environment detection device for determining the position and / or movement of at least one object in the vicinity of a movement aid by means of at least one acoustic pulse
DE102012200716A1 (en) * 2012-01-19 2013-07-25 Robert Bosch Gmbh Method for determining the position and / or movement of objects in the vicinity of a movement aid by means of sound signals and device for carrying out the method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1566852C3 (en) * 1967-10-12 1974-02-07 Fried. Krupp Gmbh, 4300 Essen Arrangement for differentiating echo sounder pulses
US3701090A (en) * 1970-12-22 1972-10-24 Amf Inc Shipboard acoustic receiver
JPS5121852A (en) * 1974-08-15 1976-02-21 Furuno Kyotaka TANTAIBUTSUTAIHANBETSUSOCHI
CA1120578A (en) * 1976-10-04 1982-03-23 Juerg Muggli Ultrasonic ranging system for a camera
US4199246A (en) * 1976-10-04 1980-04-22 Polaroid Corporation Ultrasonic ranging system for a camera
DE2726981C2 (en) * 1977-06-15 1984-11-22 Fried. Krupp Gmbh, 4300 Essen Device for measuring time between pulses
JPS5484762A (en) * 1977-12-17 1979-07-05 Fuji Roiyaru Kk Noise reject device of ultrasonic underwater detector

Also Published As

Publication number Publication date
DE3037139A1 (en) 1981-04-16
IE802052L (en) 1981-04-03
CA1154140A (en) 1983-09-20
AT375198B (en) 1984-07-10
JPS5660374A (en) 1981-05-25
IT1133656B (en) 1986-07-09
IT8025072A0 (en) 1980-10-02
GB2059590A (en) 1981-04-23
GB2059590B (en) 1984-02-29
JPH0156712B2 (en) 1989-12-01
AU536697B2 (en) 1984-05-17
FR2466780A1 (en) 1981-04-10
ATA493880A (en) 1983-11-15
FR2466780B1 (en) 1986-02-28
IE50163B1 (en) 1986-02-19
DE3037139C2 (en) 1993-04-01
CH651387A5 (en) 1985-09-13

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