CA1134610A - Methode et dispositif de gardiennage d'un transporteur minier - Google Patents

Methode et dispositif de gardiennage d'un transporteur minier

Info

Publication number
CA1134610A
CA1134610A CA000299031A CA299031A CA1134610A CA 1134610 A CA1134610 A CA 1134610A CA 000299031 A CA000299031 A CA 000299031A CA 299031 A CA299031 A CA 299031A CA 1134610 A CA1134610 A CA 1134610A
Authority
CA
Canada
Prior art keywords
receiver
optical
source
reflector
conveyor
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
Application number
CA000299031A
Other languages
English (en)
Inventor
Derek K. Barham
Rex Mullins
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Application granted granted Critical
Publication of CA1134610A publication Critical patent/CA1134610A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Control Of Conveyors (AREA)
CA000299031A 1977-03-22 1978-03-14 Methode et dispositif de gardiennage d'un transporteur minier Expired CA1134610A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB11952/77A GB1558154A (en) 1977-03-22 1977-03-22 Method of and apparatus for monitoring movement of a mine conceyor
GB11952/77 1977-03-22

Publications (1)

Publication Number Publication Date
CA1134610A true CA1134610A (fr) 1982-11-02

Family

ID=9995654

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000299031A Expired CA1134610A (fr) 1977-03-22 1978-03-14 Methode et dispositif de gardiennage d'un transporteur minier

Country Status (7)

Country Link
AU (1) AU514858B2 (fr)
BE (1) BE865087A (fr)
CA (1) CA1134610A (fr)
DE (1) DE2811674A1 (fr)
FR (1) FR2385080A1 (fr)
GB (1) GB1558154A (fr)
ZA (1) ZA781495B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2932899C2 (de) * 1979-08-14 1981-09-24 Jungheinrich Unternehmensverwaltung Kg, 2000 Hamburg Vorrichtung zum berührunglosen Messen der Höhe eines Lastträgerfahrzeug über einem Bezugspunkt
JPS59198378A (ja) * 1983-04-27 1984-11-10 Nissan Motor Co Ltd 光レ−ダ装置
GB2144290B (en) * 1983-07-08 1987-05-28 Univ Surrey Measuring system
GB2216358A (en) * 1988-02-26 1989-10-04 Siemens Ag Tracking moving object
US10082567B2 (en) * 2016-03-24 2018-09-25 Joy Global Underground Mining Llc Longwall system creep detection
US10087754B2 (en) 2016-03-24 2018-10-02 Joy Global Underground Mining Llc Longwall system face alignment detection and steering
CN117073605B (zh) * 2023-10-18 2023-12-15 常州铂力塑胶有限公司 一种空调隔音隔热件生产检测设备及检测方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813165A (en) * 1971-09-20 1974-05-28 Laser Syst & Electronics Inc Digital distance measuring apparatus employing modulated light beam
GB1475755A (en) * 1974-10-24 1977-06-10 Coal Ind Method of and apparatus for controlling advance of underground armoured conveyors
US3966327A (en) * 1975-04-21 1976-06-29 Systron Donner Corporation Angular displacement measurement apparatus

Also Published As

Publication number Publication date
AU514858B2 (en) 1981-03-05
GB1558154A (en) 1979-12-19
DE2811674A1 (de) 1978-09-28
ZA781495B (en) 1979-03-28
FR2385080B1 (fr) 1983-07-29
BE865087A (fr) 1978-07-17
FR2385080A1 (fr) 1978-10-20
AU3418278A (en) 1979-09-20

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Legal Events

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