HK1159572A1 - System and method for detecting rock fall - Google Patents

System and method for detecting rock fall

Info

Publication number
HK1159572A1
HK1159572A1 HK11114045.3A HK11114045A HK1159572A1 HK 1159572 A1 HK1159572 A1 HK 1159572A1 HK 11114045 A HK11114045 A HK 11114045A HK 1159572 A1 HK1159572 A1 HK 1159572A1
Authority
HK
Hong Kong
Prior art keywords
rock fall
detecting rock
detecting
fall
rock
Prior art date
Application number
HK11114045.3A
Other languages
English (en)
Inventor
Bohdan Nedilko
Iain Weir-Jones
Original Assignee
Weir Jones Engineering Consultants 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 Weir Jones Engineering Consultants Ltd filed Critical Weir Jones Engineering Consultants Ltd
Publication of HK1159572A1 publication Critical patent/HK1159572A1/xx

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning, or like safety means along the route or between vehicles or vehicle trains
    • B61L23/04—Control, warning, or like safety means along the route or between vehicles or vehicle trains for monitoring the mechanical state of the route
    • B61L23/041—Obstacle detection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/08—Measuring installations for surveying permanent way
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
HK11114045.3A 2008-06-17 2011-12-29 System and method for detecting rock fall HK1159572A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7335808P 2008-06-17 2008-06-17
PCT/CA2009/000837 WO2010003220A1 (en) 2008-06-17 2009-06-17 System and method for detecting rock fall

Publications (1)

Publication Number Publication Date
HK1159572A1 true HK1159572A1 (en) 2012-08-03

Family

ID=41506615

Family Applications (1)

Application Number Title Priority Date Filing Date
HK11114045.3A HK1159572A1 (en) 2008-06-17 2011-12-29 System and method for detecting rock fall

Country Status (7)

Country Link
US (2) US9031791B2 (zh)
EP (1) EP2300299B1 (zh)
CN (1) CN102123899B (zh)
AU (1) AU2009267754B2 (zh)
CA (1) CA2728105C (zh)
HK (1) HK1159572A1 (zh)
WO (1) WO2010003220A1 (zh)

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Also Published As

Publication number Publication date
US20110313671A1 (en) 2011-12-22
CN102123899B (zh) 2013-09-25
EP2300299A4 (en) 2014-04-02
AU2009267754A1 (en) 2010-01-14
CN102123899A (zh) 2011-07-13
AU2009267754B2 (en) 2013-08-29
US20150285927A1 (en) 2015-10-08
EP2300299A1 (en) 2011-03-30
CA2728105C (en) 2013-06-18
EP2300299B1 (en) 2017-01-18
WO2010003220A1 (en) 2010-01-14
CA2728105A1 (en) 2010-01-14
US9031791B2 (en) 2015-05-12

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20230621