FR2278085B1 - - Google Patents

Info

Publication number
FR2278085B1
FR2278085B1 FR7521885A FR7521885A FR2278085B1 FR 2278085 B1 FR2278085 B1 FR 2278085B1 FR 7521885 A FR7521885 A FR 7521885A FR 7521885 A FR7521885 A FR 7521885A FR 2278085 B1 FR2278085 B1 FR 2278085B1
Authority
FR
France
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
FR7521885A
Other languages
French (fr)
Other versions
FR2278085A1 (fr
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.)
RAG AG
Original Assignee
Ruhrkohle AG
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
Priority claimed from DE19742433793 external-priority patent/DE2433793C3/de
Application filed by Ruhrkohle AG filed Critical Ruhrkohle AG
Publication of FR2278085A1 publication Critical patent/FR2278085A1/fr
Application granted granted Critical
Publication of FR2278085B1 publication Critical patent/FR2278085B1/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C39/00Devices for testing in situ the hardness or other properties of minerals, e.g. for giving information as to the selection of suitable mining tools
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16Receiving elements for seismic signals; Arrangements or adaptations of receiving elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
FR7521885A 1974-07-13 1975-07-11 Recepteur acoustique pour sondage de reconnaissance d'un quartier souterrain Granted FR2278085A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742433793 DE2433793C3 (de) 1974-07-13 Akustischer Empfänger für die Untertagevorfelderkundung

Publications (2)

Publication Number Publication Date
FR2278085A1 FR2278085A1 (fr) 1976-02-06
FR2278085B1 true FR2278085B1 (enExample) 1977-12-09

Family

ID=5920518

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7521885A Granted FR2278085A1 (fr) 1974-07-13 1975-07-11 Recepteur acoustique pour sondage de reconnaissance d'un quartier souterrain

Country Status (4)

Country Link
JP (1) JPS5152884A (enExample)
FR (1) FR2278085A1 (enExample)
GB (1) GB1519971A (enExample)
ZA (1) ZA754473B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU182124B (en) * 1980-04-17 1983-12-28 Mecseki Szenbanyak Method for required influencing the changing of state of given geological system resulted or resultable in consequence of mining activity
JPH0728026U (ja) * 1993-10-28 1995-05-23 貨泉プラスチック株式会社 コンテナ
EP1804084A1 (de) * 2005-12-30 2007-07-04 Integrated Dynamics Engineering GmbH Elektromagnetisch geschirmte Seismometereinheit mit Geophon
JP5867957B2 (ja) * 2011-12-19 2016-02-24 西松建設株式会社 岩盤強度の予測方法および予測システム
JP2016166838A (ja) * 2015-03-10 2016-09-15 日本電気株式会社 検出装置及び検出方法
JP6687235B2 (ja) * 2015-03-10 2020-04-22 日本電気株式会社 検出装置及び検出方法
CN118257630B (zh) * 2024-05-29 2024-10-15 陕西延长石油矿业有限责任公司 一种煤矿井筒围岩智能监控方法

Also Published As

Publication number Publication date
ZA754473B (en) 1976-07-28
DE2433793B2 (de) 1976-08-05
DE2433793A1 (de) 1976-01-29
GB1519971A (en) 1978-08-02
JPS5152884A (enExample) 1976-05-10
FR2278085A1 (fr) 1976-02-06

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Legal Events

Date Code Title Description
ST Notification of lapse