GB1556062A - Centralised monitoring system for gas leakage - Google Patents

Centralised monitoring system for gas leakage

Info

Publication number: GB1556062A
Authority: GB; United Kingdom
Prior art keywords: monitoring system; gas leakage; centralised monitoring; centralised; leakage
Prior art date: 1975-08-28
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

GB1927177A

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.)

Sumitomo Chemical Co Ltd

Original Assignee

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.)

1975-08-28

Filing date

1976-08-24

Publication date

1979-11-21

1975-08-28 Priority claimed from JP10463275A external-priority patent/JPS5228298A/en

1975-10-03 Priority claimed from JP50120006A external-priority patent/JPS5244655A/en

1976-08-24 Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd

1979-11-21 Publication of GB1556062A publication Critical patent/GB1556062A/en

Status Expired legal-status Critical Current

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
- G08B26/001—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 OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
- G08B26/005—Alarm systems in which substations are interrogated in succession by a central station with substations connected in series, e.g. cascade

Landscapes

Business, Economics & Management (AREA)
Emergency Management (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Selective Calling Equipment (AREA)

GB1927177A 1975-08-28 1976-08-24 Centralised monitoring system for gas leakage Expired GB1556062A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP10463275A JPS5228298A (en)	1975-08-28	1975-08-28	Supervisory alarm unit by loop circuit system
JP50120006A JPS5244655A (en)	1975-10-03	1975-10-03	Centralized control unit for a gas leak

Publications (1)

Publication Number	Publication Date
GB1556062A true GB1556062A (en)	1979-11-21

Family

ID=26445071

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB3520576A Expired GB1556061A (en)	1975-08-28	1976-08-24	Monitor and alarm apparatus in loop line system
GB1927177A Expired GB1556062A (en)	1975-08-28	1976-08-24	Centralised monitoring system for gas leakage

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB3520576A Expired GB1556061A (en)	1975-08-28	1976-08-24	Monitor and alarm apparatus in loop line system

Country Status (6)

Country	Link
BR (1)	BR7605636A (en)
DE (1)	DE2638529A1 (en)
FR (1)	FR2322411A1 (en)
GB (2)	GB1556061A (en)
IT (1)	IT1066426B (en)
NL (1)	NL7609588A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2817089B2 (en) *	1978-04-19	1980-12-18	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Alarm system
DE2946169C2 (en) *	1979-11-15	1986-12-11	Brown, Boveri & Cie Ag, 6800 Mannheim	Method for determining the status of certain alarm transmitters in a surveillance system
CH651688A5 (en) *	1980-06-23	1985-09-30	Cerberus Ag	METHOD FOR TRANSMITTING MEASURED VALUES IN A FIRE DETECTING SYSTEM AND DEVICE FOR IMPLEMENTING THE METHOD.
DE3141624A1 (en) *	1980-10-20	1982-08-26	Ricoh Co., Ltd., Tokyo	Central alarm system
CA1178678A (en) *	1981-03-13	1984-11-27	John M. Wynne	Bidirectional, interactive fire detection system
JPS58127292A (en) *	1982-01-26	1983-07-29	ニツタン株式会社	Fire sensing system
DE3336290A1 (en) *	1982-10-08	1984-06-07	Joh. Vaillant Gmbh U. Co, 5630 Remscheid	Method for the teletransmission of data of a heating or cooling system
JPS5963792U (en) *	1982-10-22	1984-04-26	ニツタン株式会社	Photoelectric smoke detection terminal
JPS5977594A (en) *	1982-10-27	1984-05-04	ニツタン株式会社	Fire alarm system
US4558319A (en) *	1982-12-07	1985-12-10	Westinghouse Electric Corp.	Automated system monitoring using frequency and amplitude modulation
DE3405857A1 (en) *	1983-02-24	1984-08-30	Hochiki K.K., Tokio/Tokyo	FIRE ALARM SYSTEM
JPS59201193A (en) *	1983-04-30	1984-11-14	松下電工株式会社	Fire alarm system
JPS60117939A (en) *	1983-11-30	1985-06-25	Matsushita Electric Works Ltd	Information transmission system
GB8431883D0 (en) *	1984-12-18	1985-01-30	Gent Ltd	Transmission system
GB2172175B (en) *	1985-02-15	1989-04-05	Hitachi Ltd	Method for controlling ring network
DE3614692A1 (en) *	1986-04-30	1987-11-05	Nixdorf Computer Ag	DANGER REPORTING SYSTEM
DE3744208A1 (en) *	1987-12-24	1989-07-06	Rieter Ag Maschf	METHOD AND DEVICE FOR TRANSMITTING INFORMATION IN A MANUFACTURING MACHINE HAVING A VARIETY OF PRODUCTION POINTS

1976
- 1976-08-24 GB GB3520576A patent/GB1556061A/en not_active Expired
- 1976-08-24 GB GB1927177A patent/GB1556062A/en not_active Expired
- 1976-08-26 DE DE19762638529 patent/DE2638529A1/en not_active Withdrawn
- 1976-08-26 BR BR7605636A patent/BR7605636A/en unknown
- 1976-08-27 FR FR7626025A patent/FR2322411A1/en active Granted
- 1976-08-27 IT IT5107176A patent/IT1066426B/en active
- 1976-08-27 NL NL7609588A patent/NL7609588A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
GB1556061A (en)	1979-11-21
NL7609588A (en)	1977-03-02
IT1066426B (en)	1985-03-12
FR2322411A1 (en)	1977-03-25
FR2322411B1 (en)	1980-07-04
BR7605636A (en)	1977-08-09
DE2638529A1 (en)	1977-03-10

Publication	Publication Date	Title
JPS52126245A (en)	1977-10-22	Abnormal tire detecting system
GB1554217A (en)	1979-10-17	Detector for abnormal phenomena
JPS52111033A (en)	1977-09-17	Gas distribution system
GB1556062A (en)	1979-11-21	Centralised monitoring system for gas leakage
GB1538293A (en)	1979-01-17	Monitoring apparatus
HK33979A (en)	1979-06-01	High temperature welding backup means
ZA765078B (en)	1977-08-31	Method and apparatus for extending the operating range of a condition monitoring system
JPS528575A (en)	1977-01-22	Gas filtrating system
JPS5249543A (en)	1977-04-20	Alarm system
JPS5424692A (en)	1979-02-24	Radiationntype detector for monitoring gas
GB1540465A (en)	1979-02-14	Sealing system
GB1550476A (en)	1979-08-15	Alarm system
JPS5263399A (en)	1977-05-25	Leak alarm for gases
GB1550925A (en)	1979-08-22	Monitoring systems
JPS5311143A (en)	1978-02-01	Gas weldinggdissolving process
JPS5264014A (en)	1977-05-27	Gushers for gas
JPS5260598A (en)	1977-05-19	Gas alarm
JPS52123470A (en)	1977-10-17	Apparatus for sealing
JPS53136895A (en)	1978-11-29	Gas monitoring apparatus
GB1544574A (en)	1979-04-19	Seal apparatus for steamers
JPS5357084A (en)	1978-05-24	Method of detecting outflow of gas
JPS5332478A (en)	1978-03-27	Gas treating system
JPS52116975A (en)	1977-09-30	Highhpressure dusttcontaining gas treating system
JPS5345595A (en)	1978-04-24	Leak alarm for gases
JPS5259318A (en)	1977-05-16	Means for monitoing gas lines

Legal Events

Date	Code	Title	Description
1980-02-06	PS	Patent sealed
1984-04-26	PCNP	Patent ceased through non-payment of renewal fee