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FR2350461A1 - Perfectionnements a un central de telegrisoumetrie - Google Patents

Perfectionnements a un central de telegrisoumetrie

Info

Publication number
FR2350461A1
FR2350461A1 FR7613874A FR7613874A FR2350461A1 FR 2350461 A1 FR2350461 A1 FR 2350461A1 FR 7613874 A FR7613874 A FR 7613874A FR 7613874 A FR7613874 A FR 7613874A FR 2350461 A1 FR2350461 A1 FR 2350461A1
Authority
FR
France
Prior art keywords
threshold value
firedamp
measuring equipment
remote measuring
damp
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.)
Granted
Application number
FR7613874A
Other languages
English (en)
Other versions
FR2350461B1 (fr
Inventor
Henri Richaud
Jean-Pierre Corrouge
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.)
MIDI HOUILLERES PROVENCE CENTR
Original Assignee
MIDI HOUILLERES PROVENCE CENTR
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 MIDI HOUILLERES PROVENCE CENTR filed Critical MIDI HOUILLERES PROVENCE CENTR
Priority to FR7613874A priority Critical patent/FR2350461A1/fr
Publication of FR2350461A1 publication Critical patent/FR2350461A1/fr
Application granted granted Critical
Publication of FR2350461B1 publication Critical patent/FR2350461B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/006—Alarm systems in which substations are interrogated in succession by a central station with substations connected to an individual line, e.g. star configuration

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)
FR7613874A 1976-05-03 1976-05-03 Perfectionnements a un central de telegrisoumetrie Granted FR2350461A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7613874A FR2350461A1 (fr) 1976-05-03 1976-05-03 Perfectionnements a un central de telegrisoumetrie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7613874A FR2350461A1 (fr) 1976-05-03 1976-05-03 Perfectionnements a un central de telegrisoumetrie

Publications (2)

Publication Number Publication Date
FR2350461A1 true FR2350461A1 (fr) 1977-12-02
FR2350461B1 FR2350461B1 (fr) 1978-08-25

Family

ID=9172873

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7613874A Granted FR2350461A1 (fr) 1976-05-03 1976-05-03 Perfectionnements a un central de telegrisoumetrie

Country Status (1)

Country Link
FR (1) FR2350461A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2410929A1 (fr) * 1977-12-02 1979-06-29 Os Bad Rozwojowy Syste Dispositif de commutation, utilisant une calculatrice numerique, avec des voies de telemesure
FR2420646A1 (fr) * 1978-03-21 1979-10-19 Os Bad Rozwojowy Syste Systeme modulaire de repartition pour le controle du taux de concentration en grisou
FR2518335A1 (fr) * 1981-12-14 1983-06-17 Charbonnages De France Procede et dispositif de teletransmission de signaux et application a la detection et/ou la mesure de la teneur en gaz combustible d'une atmosphere
CN102251807A (zh) * 2011-04-07 2011-11-23 同济大学 一种触发控制方法
CN102628373A (zh) * 2012-04-27 2012-08-08 天地科技股份有限公司 煤矿冲击地压分源综合预警方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ARTICLE DE BOUTONNAT E.A. "TECHNIQUES DE DOSAGE DES GAZ AU FOND" *
PUBLICATION FR "INDUSTRIE MINERALE MINE 2-76" 15 AVRIL 1976, PAGES 9 A 24 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2410929A1 (fr) * 1977-12-02 1979-06-29 Os Bad Rozwojowy Syste Dispositif de commutation, utilisant une calculatrice numerique, avec des voies de telemesure
FR2420646A1 (fr) * 1978-03-21 1979-10-19 Os Bad Rozwojowy Syste Systeme modulaire de repartition pour le controle du taux de concentration en grisou
FR2518335A1 (fr) * 1981-12-14 1983-06-17 Charbonnages De France Procede et dispositif de teletransmission de signaux et application a la detection et/ou la mesure de la teneur en gaz combustible d'une atmosphere
EP0082080A1 (fr) * 1981-12-14 1983-06-22 Etablissement public dit: CHARBONNAGES DE FRANCE Procédé et dispositif de télétransmission de signaux et application à la détection et/ou la mesure de la teneur en gaz combustible d'une atmosphère
US4608552A (en) * 1981-12-14 1986-08-26 Charbonnages De France Process and device for the remote transmission of signals and application to the detection and/or measurement of the quanity of combustible gas in an atmosphere
CN102251807A (zh) * 2011-04-07 2011-11-23 同济大学 一种触发控制方法
CN102628373A (zh) * 2012-04-27 2012-08-08 天地科技股份有限公司 煤矿冲击地压分源综合预警方法
CN102628373B (zh) * 2012-04-27 2014-04-23 天地科技股份有限公司 煤矿冲击地压分源综合预警方法

Also Published As

Publication number Publication date
FR2350461B1 (fr) 1978-08-25

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Legal Events

Date Code Title Description
ST Notification of lapse