GB2230608B - Acoustic range finding - Google Patents

Acoustic range finding

Info

Publication number
GB2230608B
GB2230608B GB8907201A GB8907201A GB2230608B GB 2230608 B GB2230608 B GB 2230608B GB 8907201 A GB8907201 A GB 8907201A GB 8907201 A GB8907201 A GB 8907201A GB 2230608 B GB2230608 B GB 2230608B
Authority
GB
United Kingdom
Prior art keywords
range finding
acoustic range
acoustic
finding
range
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.)
Expired - Fee Related
Application number
GB8907201A
Other versions
GB8907201D0 (en
GB2230608A (en
Inventor
Stephen Richard Stockley
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.)
Hycontrol Ltd
Original Assignee
Hycontrol Ltd
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 Hycontrol Ltd filed Critical Hycontrol Ltd
Priority to GB8907201A priority Critical patent/GB2230608B/en
Publication of GB8907201D0 publication Critical patent/GB8907201D0/en
Publication of GB2230608A publication Critical patent/GB2230608A/en
Application granted granted Critical
Publication of GB2230608B publication Critical patent/GB2230608B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2962—Measuring transit time of reflected waves
    • 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
    • G01S7/52004—Means for monitoring or calibrating

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
GB8907201A 1989-03-30 1989-03-30 Acoustic range finding Expired - Fee Related GB2230608B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8907201A GB2230608B (en) 1989-03-30 1989-03-30 Acoustic range finding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8907201A GB2230608B (en) 1989-03-30 1989-03-30 Acoustic range finding

Publications (3)

Publication Number Publication Date
GB8907201D0 GB8907201D0 (en) 1989-05-10
GB2230608A GB2230608A (en) 1990-10-24
GB2230608B true GB2230608B (en) 1993-04-14

Family

ID=10654194

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8907201A Expired - Fee Related GB2230608B (en) 1989-03-30 1989-03-30 Acoustic range finding

Country Status (1)

Country Link
GB (1) GB2230608B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8113304B2 (en) 1998-03-27 2012-02-14 Irobot Corporation Robotic platform

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5148700A (en) * 1991-11-12 1992-09-22 Entech Design, Inc. Apparatus and method for locating sediment in a container
US5319974A (en) * 1993-08-30 1994-06-14 Isco, Inc. Ultrasonic level measuring system
US6046960A (en) * 1993-09-16 2000-04-04 Simmonds Precision Products, Inc. Apparatus and method for discriminating true and false ultrasonic echoes
US5666325A (en) * 1995-07-31 1997-09-09 Nordson Corporation Method and apparatus for monitoring and controlling the dispensing of materials onto a substrate
GB9919366D0 (en) * 1999-08-16 1999-10-20 Meggitt Mobrey Limited Ultrasound level detection using a dynamic threshold
US6870792B2 (en) 2000-04-04 2005-03-22 Irobot Corporation Sonar Scanner
GB0705187D0 (en) 2007-03-17 2007-04-25 Mobrey Ltd Improvements in or relating to level measurement
DE102007015920A1 (en) * 2007-03-28 2008-10-09 Continental Automotive Gmbh Method for distance determination using pulse-modulated sound signals
US8184503B2 (en) * 2009-05-18 2012-05-22 Magnetrol International, Incorporated Process measurement instrument with target rejection
DE102017126734A1 (en) * 2017-11-14 2019-05-16 Endress+Hauser SE+Co. KG Method of creating a blanking curve for a level gauge

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8113304B2 (en) 1998-03-27 2012-02-14 Irobot Corporation Robotic platform
US8365848B2 (en) 1998-03-27 2013-02-05 Irobot Corporation Robotic platform
US8763732B2 (en) 1998-03-27 2014-07-01 Irobot Corporation Robotic platform
US9248874B2 (en) 1998-03-27 2016-02-02 Irobot Corporation Robotic platform
US9573638B2 (en) 1998-03-27 2017-02-21 Irobot Defense Holdings, Inc. Robotic platform

Also Published As

Publication number Publication date
GB8907201D0 (en) 1989-05-10
GB2230608A (en) 1990-10-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030330