JPS5244655A - Centralized control unit for a gas leak - Google Patents

Centralized control unit for a gas leak

Info

Publication number
JPS5244655A
JPS5244655A JP50120006A JP12000675A JPS5244655A JP S5244655 A JPS5244655 A JP S5244655A JP 50120006 A JP50120006 A JP 50120006A JP 12000675 A JP12000675 A JP 12000675A JP S5244655 A JPS5244655 A JP S5244655A
Authority
JP
Japan
Prior art keywords
centralized control
gas leak
control unit
gathered
remote
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.)
Pending
Application number
JP50120006A
Other languages
English (en)
Inventor
Mitsuru Saito
Shunei Nakamura
Shinichi Ogura
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.)
Riken Keiki KK
Sumitomo Chemical Co Ltd
Original Assignee
Riken Keiki KK
Sumitomo Chemical Co 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 Riken Keiki KK, Sumitomo Chemical Co Ltd filed Critical Riken Keiki KK
Priority to JP50120006A priority Critical patent/JPS5244655A/ja
Priority to US05/716,556 priority patent/US4088985A/en
Priority to GB3520576A priority patent/GB1556061A/en
Priority to GB1927177A priority patent/GB1556062A/en
Priority to CA259,911A priority patent/CA1056032A/en
Priority to BR7605636A priority patent/BR7605636A/pt
Priority to DE19762638529 priority patent/DE2638529A1/de
Priority to FR7626025A priority patent/FR2322411A1/fr
Priority to NL7609588A priority patent/NL7609588A/xx
Priority to IT5107176A priority patent/IT1066426B/it
Publication of JPS5244655A publication Critical patent/JPS5244655A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/001—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel
    • G08B26/003—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel replying the identity and the state of the sensor
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Small-Scale Networks (AREA)
JP50120006A 1975-08-28 1975-10-03 Centralized control unit for a gas leak Pending JPS5244655A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP50120006A JPS5244655A (en) 1975-10-03 1975-10-03 Centralized control unit for a gas leak
US05/716,556 US4088985A (en) 1975-10-03 1976-08-23 Centralized monitoring system for gas leakage
GB3520576A GB1556061A (en) 1975-08-28 1976-08-24 Monitor and alarm apparatus in loop line system
GB1927177A GB1556062A (en) 1975-08-28 1976-08-24 Centralised monitoring system for gas leakage
CA259,911A CA1056032A (en) 1975-10-03 1976-08-26 Centralized monitoring system for gas leakage
BR7605636A BR7605636A (pt) 1975-08-28 1976-08-26 Processo para monitorizar e dar alarme de um desastre numa area e sistema monitor centralizado e processo para determinacao de escapamento de gas
DE19762638529 DE2638529A1 (de) 1975-08-28 1976-08-26 Ueberwachungs-und alarmverfahren und -vorrichtung zur unfallverhuetung
FR7626025A FR2322411A1 (fr) 1975-08-28 1976-08-27 Appareil de controle et d'alarme dans une installation a ligne en boucle
NL7609588A NL7609588A (nl) 1975-08-28 1976-08-27 Bewakings- en alarmeringsinrichting in een ringleidingstelsel.
IT5107176A IT1066426B (it) 1975-08-28 1976-08-27 Apparecchio e procedimento per la rivelazione e la segnalazione di disastri

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50120006A JPS5244655A (en) 1975-10-03 1975-10-03 Centralized control unit for a gas leak

Publications (1)

Publication Number Publication Date
JPS5244655A true JPS5244655A (en) 1977-04-07

Family

ID=14775557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50120006A Pending JPS5244655A (en) 1975-08-28 1975-10-03 Centralized control unit for a gas leak

Country Status (3)

Country Link
US (1) US4088985A (ja)
JP (1) JPS5244655A (ja)
CA (1) CA1056032A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6076656A (ja) * 1983-07-05 1985-05-01 アングロ　アメリカン　コ−ポレ−シヨン　オブ　サウス　アフリカ　リミテツド 気体検出器
JPH0599867A (ja) * 1991-05-31 1993-04-23 Nippon Sanso Kk 漏洩ガス検知方法及び装置

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5963792U (ja) * 1982-10-22 1984-04-26 ニツタン株式会社 光電式煙検出端末機
JPS5977594A (ja) * 1982-10-27 1984-05-04 ニツタン株式会社 火災警報システム
US4646069A (en) * 1985-06-24 1987-02-24 Emhart Industries, Inc. Fluid detection system
GB8616276D0 (en) * 1986-07-03 1986-08-13 Racal Chubb Ltd Data acquisition system
US4721950A (en) * 1986-12-22 1988-01-26 Emhart Industries, Inc. Fluid detector
US4876530A (en) * 1987-10-13 1989-10-24 The Marley Company Method and apparatus for detecting leakage in fuel storage and delivery systems
US5184500A (en) * 1990-03-20 1993-02-09 J And N Associates, Inc. Gas detector
US5091716A (en) * 1990-07-10 1992-02-25 Emco Electronics Liquid line leak detection method and apparatus
GB2246226B (en) * 1990-07-21 1995-02-01 Stoves Ltd Improvements in or relating to safety systems
GB2255849A (en) * 1991-05-15 1992-11-18 Alan Smith Gas sensor alarm system
US5317899A (en) * 1992-12-11 1994-06-07 Control Engineers, Inc. Method for detecting leaks in underground product lines
KR980010094A (ko) * 1996-07-08 1998-04-30 김광호 가스 압력 상태 정보 검출 및 디스플레이 장치
US6560279B1 (en) * 1999-10-25 2003-05-06 John F. Renz Two wire multiplex data acquisition system with remote unit mode controls
US6577988B1 (en) 2000-08-08 2003-06-10 International Business Machines Corporation Method and system for remote gas monitoring
KR100442207B1 (ko) * 2001-11-23 2004-07-30 최진민 가스감지 오차자동조정장치
US7369945B2 (en) * 2004-10-05 2008-05-06 Tmx2, Inc. Apparatus and method for storing and transporting data related to vapor emissions and measurements thereof
US8620816B2 (en) * 2004-10-14 2013-12-31 Google Inc. Information vault, data format conversion services system and method
US20070005267A1 (en) * 2005-06-22 2007-01-04 Inventec Appliances Corp. Mobile communication device with gas detecting function
US20070163331A1 (en) * 2006-01-19 2007-07-19 Delaware Capital Formation, Inc. Line leak detector
US8316695B2 (en) * 2009-05-08 2012-11-27 Delaware Capital Formation, Inc. Line leak detector and method of using same
US8850872B2 (en) 2009-05-08 2014-10-07 Opw Fuel Management Systems, Inc. Line leak detector and method of using same
GB2506679A (en) * 2012-10-08 2014-04-09 Thorn Security Distributed fire detection system interface that controls data routing between sub-systems

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940602A (ja) * 1972-08-24 1974-04-16
JPS4944828A (ja) * 1972-09-07 1974-04-27
JPS5081714A (ja) * 1973-11-22 1975-07-02

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL250093A (ja) * 1959-02-17
US3601806A (en) * 1969-06-23 1971-08-24 North American Rockwell Digital time multiplexed bidirectional communications system
NL7106855A (ja) * 1971-05-19 1972-11-21
US3883868A (en) * 1973-07-23 1975-05-13 Ronald S Palmer Sweep frequency control apparatus and method
US3927404A (en) * 1973-10-18 1975-12-16 Standard Electric Time Corp Time division multiple access communication system for status monitoring

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940602A (ja) * 1972-08-24 1974-04-16
JPS4944828A (ja) * 1972-09-07 1974-04-27
JPS5081714A (ja) * 1973-11-22 1975-07-02

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6076656A (ja) * 1983-07-05 1985-05-01 アングロ　アメリカン　コ−ポレ−シヨン　オブ　サウス　アフリカ　リミテツド 気体検出器
JPH0599867A (ja) * 1991-05-31 1993-04-23 Nippon Sanso Kk 漏洩ガス検知方法及び装置

Also Published As

Publication number Publication date
US4088985A (en) 1978-05-09
CA1056032A (en) 1979-06-05

Similar Documents

Publication Publication Date Title
JPS5244655A (en) Centralized control unit for a gas leak
JPS5395406A (en) Connection structure for vane
JPS51147925A (en) Error correction system
JPS53115151A (en) Arithmetic control circuit
JPS5357737A (en) Magnetic control circuit
JPS5431803A (en) Primary steam pressure control system
JPS522193A (en) Light warning device
JPS51117542A (en) Multi-computor system
JPS52147031A (en) Time-sharing system of output device
JPS52119584A (en) Assembling device
JPS5232401A (en) Indoor boiler control system
JPS5295138A (en) Data processing system
JPS534911A (en) Train approach detector
JPS5287741A (en) Firing control for zedaberg electrode
JPS5363831A (en) Logout rerun system
JPS51114576A (en) Numerical control system
JPS51150923A (en) Screen scrawl-up control system
JPS5312487A (en) Preparation of d-ribose
JPS5330510A (en) Train blocking control system
JPS52116147A (en) Microprogram instruction control unit
JPS51147914A (en) Pattern input unit
JPS52116144A (en) Microprogram instruction control unit
JPS5397744A (en) Multiple control data process system
JPS5354683A (en) Centralized supervision system
JPS51129060A (en) Operational device of operational value