DE3270041D1 - Method and apparatus for the transmission of signals, and use in the detection and/or measuring of the concentration of combustible gas in an atmosphere - Google Patents

Method and apparatus for the transmission of signals, and use in the detection and/or measuring of the concentration of combustible gas in an atmosphere

Info

Publication number
DE3270041D1
DE3270041D1 DE8282402275T DE3270041T DE3270041D1 DE 3270041 D1 DE3270041 D1 DE 3270041D1 DE 8282402275 T DE8282402275 T DE 8282402275T DE 3270041 T DE3270041 T DE 3270041T DE 3270041 D1 DE3270041 D1 DE 3270041D1
Authority
DE
Germany
Prior art keywords
sensor
signals
transmission
atmosphere
concentration
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
DE8282402275T
Other languages
English (en)
Inventor
Maurice Boutonnat
Gerard Rose
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.)
Charbonnages de France CDF
Original Assignee
Charbonnages de France CDF
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 Charbonnages de France CDF filed Critical Charbonnages de France CDF
Application granted granted Critical
Publication of DE3270041D1 publication Critical patent/DE3270041D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
DE8282402275T 1981-12-14 1982-12-14 Method and apparatus for the transmission of signals, and use in the detection and/or measuring of the concentration of combustible gas in an atmosphere Expired DE3270041D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8123272A FR2518335A1 (fr) 1981-12-14 1981-12-14 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

Publications (1)

Publication Number Publication Date
DE3270041D1 true DE3270041D1 (en) 1986-04-24

Family

ID=9264965

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282402275T Expired DE3270041D1 (en) 1981-12-14 1982-12-14 Method and apparatus for the transmission of signals, and use in the detection and/or measuring of the concentration of combustible gas in an atmosphere

Country Status (15)

Country Link
US (1) US4608552A (de)
EP (1) EP0082080B1 (de)
JP (1) JPS58139542A (de)
AT (1) ATE18707T1 (de)
AU (1) AU560303B2 (de)
CA (1) CA1201504A (de)
DE (1) DE3270041D1 (de)
ES (1) ES8308179A1 (de)
FR (1) FR2518335A1 (de)
IN (1) IN159115B (de)
MX (1) MX152709A (de)
PL (1) PL140276B1 (de)
RO (1) RO84866B (de)
YU (2) YU43812B (de)
ZA (1) ZA828155B (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59127542A (ja) * 1983-01-10 1984-07-23 東京電力株式会社 位相パルス信号のレベル検定方法
US4758836A (en) * 1983-06-20 1988-07-19 Rockwell International Corporation Inductive coupling system for the bi-directional transmission of digital data
GB8417655D0 (en) * 1984-07-11 1984-08-15 Plessey Co Plc Electrical power control systems
GB2164180B (en) * 1984-09-06 1988-03-30 Jones Automation Limited J Remote monitoring apparatus
US4751495A (en) * 1986-01-28 1988-06-14 Raychem Corporation Analog pulsed heat trace monitor or the like
DE3631477C3 (de) * 1986-09-16 1995-01-26 Siegfried Dipl Ing Schwarz Netzwerk für die Steuer-, Meß- und Regeltechnik zur Daten- und Energie-Übertragung
US5309174A (en) * 1987-10-13 1994-05-03 Motorola, Inc. Electronic display system
DE3819128C2 (de) * 1988-06-04 1995-10-26 Conducta Endress & Hauser Gasdetektionssystem
US5051720A (en) * 1989-11-13 1991-09-24 Secure Telecom, Inc. Remote control system using power line of remote site
CA2107519C (en) * 1992-10-05 2002-04-09 Stephen George Seberger Communication system and method
CA2164218C (en) * 1993-06-04 2002-05-07 Bruce E. Gray Dial in-bound meter interface unit which derives its power from a telephone line
US5434911A (en) * 1993-06-04 1995-07-18 M & Fc Holding Company, Inc. Call in-bound remote reading and data collection system
AUPM364594A0 (en) * 1994-02-02 1994-02-24 Barisic, Sandra Condition indicating system
IT1280712B1 (it) * 1994-12-01 1998-02-06 Stefano Rinaldi Sistema distribuito per il rilevamento di inquinamento ambientale, in particolare inquinamento atmosferico
US6998962B2 (en) * 2000-04-14 2006-02-14 Current Technologies, Llc Power line communication apparatus and method of using the same
FR2826521B1 (fr) 2001-06-26 2003-09-26 Somfy Dispositif de commande radiotelecommandee
JP4534544B2 (ja) * 2004-03-23 2010-09-01 横河電機株式会社 伝送器システム
US7684708B2 (en) * 2007-09-06 2010-03-23 University Of Rochester All-optical flip-flop and control methods thereof
US8729858B2 (en) 2011-07-26 2014-05-20 General Electric Company Charging device for use in charging electric vehicles and method of providing electricity to an electric vehicle
EP3177916A1 (de) * 2014-08-08 2017-06-14 IMX S.r.l. Gasdetektionssystem für toxisches und/oder brennbares gas
CN106645613A (zh) * 2016-11-09 2017-05-10 成都聚立汇信科技有限公司 污水排水装置的在线监测设备

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH422954A (de) * 1965-05-24 1966-10-31 Landis & Gyr Ag Rundsteueranlage
JPS50155890A (de) * 1974-06-08 1975-12-16
DE2428173A1 (de) * 1974-06-11 1976-01-02 Helmut Wappler Verfahren und vorrichtung zur signaluebertragung in wechselstromnetzen
US3967264A (en) * 1975-01-31 1976-06-29 Westinghouse Electric Corporation Distribution network power line communication system including addressable interrogation and response repeater
JPS5272435A (en) * 1975-12-15 1977-06-16 Matsushita Electric Works Ltd Timeedivision multiplex transmission system
US4007458A (en) * 1975-12-29 1977-02-08 Clemar Manufacturing Corporation Digital two-wire irrigation control system
US4077030A (en) * 1976-02-19 1978-02-28 The Bendix Corporation Sensor data input by means of analog to pulse width-to digital converter
FR2350461A1 (fr) * 1976-05-03 1977-12-02 Midi Houilleres Provence Centr Perfectionnements a un central de telegrisoumetrie
JPS5915545B2 (ja) * 1977-01-25 1984-04-10 株式会社日立国際電気 端末機の電源給電方法
US4198621A (en) * 1977-11-14 1980-04-15 Crowcon (Instruments) Limited Electrical remote sensing system
US4222035A (en) * 1978-05-25 1980-09-09 Lohoff Warren G Multiplex system having digital coded power line signals
FR2427466A1 (fr) * 1978-05-30 1979-12-28 Oldham France Sa Dispositif detecteur de danger d'explosion notamment pour installations minieres
EP0018334B1 (de) * 1979-04-12 1983-09-21 Handelsbolaget Light Regulation Vorrichtung zur Übertragung von Informationen über eine Wechselstromleitung
GB2056661A (en) * 1979-08-16 1981-03-18 Cossor Ltd A C Telemetry system
US4418333A (en) * 1981-06-08 1983-11-29 Pittway Corporation Appliance control system
US4422073A (en) * 1981-10-27 1983-12-20 The Bendix Corporation Combustible gas detection system
US4464653A (en) * 1981-12-09 1984-08-07 The Bendix Corporation Combustible gas detection system

Also Published As

Publication number Publication date
JPH0311591B2 (de) 1991-02-18
YU43812B (en) 1989-12-31
PL239454A1 (en) 1984-01-16
ES518134A0 (es) 1983-09-01
AU560303B2 (en) 1987-04-02
RO84866A (ro) 1984-08-17
EP0082080B1 (de) 1986-03-19
YU53385A (en) 1988-02-29
FR2518335B1 (de) 1984-03-02
YU45917B (sh) 1992-09-07
ATE18707T1 (de) 1986-04-15
CA1201504A (fr) 1986-03-04
ES8308179A1 (es) 1983-09-01
US4608552A (en) 1986-08-26
AU9152382A (en) 1983-06-23
JPS58139542A (ja) 1983-08-18
ZA828155B (en) 1983-09-28
RO84866B (ro) 1984-09-30
YU275382A (en) 1985-10-31
EP0082080A1 (de) 1983-06-22
PL140276B1 (en) 1987-04-30
FR2518335A1 (fr) 1983-06-17
MX152709A (es) 1985-10-18
IN159115B (de) 1987-03-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee