CA2436152A1 - Methode et appareil pour systeme de detection - Google Patents

Methode et appareil pour systeme de detection Download PDF

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Publication number
CA2436152A1
CA2436152A1 CA 2436152 CA2436152A CA2436152A1 CA 2436152 A1 CA2436152 A1 CA 2436152A1 CA 2436152 CA2436152 CA 2436152 CA 2436152 A CA2436152 A CA 2436152A CA 2436152 A1 CA2436152 A1 CA 2436152A1
Authority
CA
Canada
Prior art keywords
transmission frequencies
analysed
considered
frequencies
sensing
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
CA 2436152
Other languages
English (en)
Other versions
CA2436152C (fr
Inventor
Michael Britton
Chiko Lee
Jim Pedersen
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.)
Ellistar Sensor Systems Inc
Original Assignee
Ellistar Sensor Systems Inc
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 Ellistar Sensor Systems Inc filed Critical Ellistar Sensor Systems Inc
Priority to CA 2436152 priority Critical patent/CA2436152C/fr
Publication of CA2436152A1 publication Critical patent/CA2436152A1/fr
Application granted granted Critical
Publication of CA2436152C publication Critical patent/CA2436152C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Radar Systems Or Details Thereof (AREA)
CA 2436152 2003-07-25 2003-07-25 Methode et appareil pour systeme de detection Expired - Fee Related CA2436152C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2436152 CA2436152C (fr) 2003-07-25 2003-07-25 Methode et appareil pour systeme de detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2436152 CA2436152C (fr) 2003-07-25 2003-07-25 Methode et appareil pour systeme de detection

Publications (2)

Publication Number Publication Date
CA2436152A1 true CA2436152A1 (fr) 2005-01-25
CA2436152C CA2436152C (fr) 2006-11-07

Family

ID=34085277

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2436152 Expired - Fee Related CA2436152C (fr) 2003-07-25 2003-07-25 Methode et appareil pour systeme de detection

Country Status (1)

Country Link
CA (1) CA2436152C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111781583A (zh) * 2014-03-14 2020-10-16 赫普塔冈微光有限公司 可操作以识别虚假反射并补偿由虚假反射导致的误差的光电模块

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111781583A (zh) * 2014-03-14 2020-10-16 赫普塔冈微光有限公司 可操作以识别虚假反射并补偿由虚假反射导致的误差的光电模块
CN111781583B (zh) * 2014-03-14 2024-05-14 赫普塔冈微光有限公司 可操作以识别虚假反射并补偿由虚假反射导致的误差的光电模块

Also Published As

Publication number Publication date
CA2436152C (fr) 2006-11-07

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EEER Examination request
MKLA Lapsed

Effective date: 20200831