EP0066418A3 - Circuit de démarrage à commande acoustique - Google Patents

Circuit de démarrage à commande acoustique Download PDF

Info

Publication number
EP0066418A3
EP0066418A3 EP82302564A EP82302564A EP0066418A3 EP 0066418 A3 EP0066418 A3 EP 0066418A3 EP 82302564 A EP82302564 A EP 82302564A EP 82302564 A EP82302564 A EP 82302564A EP 0066418 A3 EP0066418 A3 EP 0066418A3
Authority
EP
European Patent Office
Prior art keywords
signal
klaxon
machine
circuits
started
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.)
Withdrawn
Application number
EP82302564A
Other languages
German (de)
English (en)
Other versions
EP0066418A2 (fr
Inventor
Colin Rex Johnson Rowe
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.)
BHR Electronic Systems Ltd
Original Assignee
BHR Electronic Systems 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 BHR Electronic Systems Ltd filed Critical BHR Electronic Systems Ltd
Publication of EP0066418A2 publication Critical patent/EP0066418A2/fr
Publication of EP0066418A3 publication Critical patent/EP0066418A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/24—Remote control specially adapted for machines for slitting or completely freeing the mineral
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/18—Special adaptations of signalling or alarm devices
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/02—Non-electrical signal transmission systems, e.g. optical systems using infrasonic, sonic or ultrasonic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Water Turbines (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
EP82302564A 1981-05-28 1982-05-20 Circuit de démarrage à commande acoustique Withdrawn EP0066418A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8116359 1981-05-28
GB8116359 1981-05-28

Publications (2)

Publication Number Publication Date
EP0066418A2 EP0066418A2 (fr) 1982-12-08
EP0066418A3 true EP0066418A3 (fr) 1983-10-12

Family

ID=10522111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82302564A Withdrawn EP0066418A3 (fr) 1981-05-28 1982-05-20 Circuit de démarrage à commande acoustique

Country Status (3)

Country Link
EP (1) EP0066418A3 (fr)
AU (1) AU8408682A (fr)
ZA (1) ZA823601B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3941290A1 (de) * 1989-12-14 1991-06-20 Bochumer Eisen Heintzmann Verfahren fuer die ueberwachung und steuerung von betriebsablaeufen in einem bergmaennischen untertagebetrieb und ueberwachungs- und steuereinrichtung dazu
CN103527248B (zh) * 2013-10-25 2015-07-29 中国矿业大学 基于光纤光栅的煤矿顶板隔水层稳定性监测系统及方法
CN109356655B (zh) * 2018-12-06 2020-11-17 西安科技大学 基于瓦斯浓度和声发射提取指标的复合煤岩动力灾害预测预警方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1387828A (en) * 1971-07-30 1975-03-19 Anderson Mavor Ltd Circuit for a prestart warning system
FR2250453A5 (en) * 1973-11-02 1975-05-30 France Etat Underwater acoustical remote control device - detects the absence of signals on the different frequencies
US4110742A (en) * 1977-07-11 1978-08-29 Hawkins J C Alarm circuit
GB2041601A (en) * 1977-12-14 1980-09-10 Ruppertsberg S Remote control system for the control of electronic apparatus
GB1586036A (en) * 1978-04-12 1981-03-11 Dresser Europe Sa Pre-start warning device for a machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1387828A (en) * 1971-07-30 1975-03-19 Anderson Mavor Ltd Circuit for a prestart warning system
FR2250453A5 (en) * 1973-11-02 1975-05-30 France Etat Underwater acoustical remote control device - detects the absence of signals on the different frequencies
US4110742A (en) * 1977-07-11 1978-08-29 Hawkins J C Alarm circuit
GB2041601A (en) * 1977-12-14 1980-09-10 Ruppertsberg S Remote control system for the control of electronic apparatus
GB1586036A (en) * 1978-04-12 1981-03-11 Dresser Europe Sa Pre-start warning device for a machine

Also Published As

Publication number Publication date
ZA823601B (en) 1983-04-27
AU8408682A (en) 1982-12-02
EP0066418A2 (fr) 1982-12-08

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE DE FR GB

PUAL Search report despatched

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AK Designated contracting states

Designated state(s): BE DE FR GB

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19840613

RIN1 Information on inventor provided before grant (corrected)

Inventor name: ROWE, COLIN REX JOHNSON