NL6818361A - - Google Patents

Info

Publication number: NL6818361A
Authority: NL; Netherlands

Application number

NL6818361A

Other versions

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.)

1967-12-29

Filing date

1968-12-20

Publication date

1969-07-01

1968-12-20 Application filed filed Critical

1969-07-01 Publication of NL6818361A publication Critical patent/NL6818361A/xx

1980-05-16 Publication of NL163885B publication Critical patent/NL163885B/en

1980-10-15 Application granted granted Critical

1980-10-15 Publication of NL163885C publication Critical patent/NL163885C/en

Classifications

- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
- G08B29/123—Checking intermittently signalling or alarm systems of line circuits
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
- G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
- G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
- G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits

Landscapes

Engineering & Computer Science (AREA)
Computer Security & Cryptography (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Alarm Systems (AREA)
Fire Alarms (AREA)

NL6818361.A 1967-12-29 1968-12-20 DEVICE FOR MONITORING A NUMBER OF NOTIFICATION UNITS. NL163885C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1834067A CH463329A (en)	1967-12-29	1967-12-29	Signal system with several signaling units connected in parallel

Publications (3)

Publication Number	Publication Date
NL6818361A true NL6818361A (en)	1969-07-01
NL163885B NL163885B (en)	1980-05-16
NL163885C NL163885C (en)	1980-10-15

Family

ID=4432272

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL6818361.A NL163885C (en)	1967-12-29	1968-12-20	DEVICE FOR MONITORING A NUMBER OF NOTIFICATION UNITS.

Country Status (10)

Country	Link
US (1)	US3588892A (en)
AT (1)	AT285388B (en)
BE (1)	BE726158A (en)
CH (1)	CH463329A (en)
DE (1)	DE1815206C3 (en)
DK (1)	DK123736B (en)
FR (1)	FR1599970A (en)
GB (1)	GB1202760A (en)
NL (1)	NL163885C (en)
SE (1)	SE385516B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3753258A (en) *	1970-03-31	1973-08-14	Nittan Co Ltd	Fire alarming system
US3983548A (en) *	1975-02-19	1976-09-28	Tufts Howard L	Fire detection system
JPS5346092A (en) *	1976-10-08	1978-04-25	Toshiba Corp	Gas leakage alarm device
DE2817121C2 (en) *	1978-04-19	1985-10-10	Siemens AG, 1000 Berlin und 8000 München	Alarm system
US4263587A (en) *	1979-04-09	1981-04-21	International Telephone And Telegraph Corporation	Liquid level control system
JPS595955B2 (en) *	1979-07-27	1984-02-08	ホーチキ株式会社	fire alarm
US4456907A (en) *	1981-01-12	1984-06-26	Pyrotector, Inc.	Ionization type smoke detector with test circuit
US4481502A (en) *	1982-03-26	1984-11-06	Dawson N Rick	Central smoke alarm and annunciator
IT1169166B (en) *	1983-02-15	1987-05-27	Gd Spa	FUNCTIONAL CONTROL SYSTEM OF INPUT CIRCUITS TO A CENTRAL CONTROL AND CONTROL UNIT FOR MACHINES AND / OR DEVICES USABLE IN PRODUCTION AND / OR PACKAGING LINES OF PRODUCTS
IT1169167B (en) *	1983-02-15	1987-05-27	Gd Spa	FUNCTIONAL CONTROL SYSTEM FOR OUTPUT TRANSDUCERS OF A CENTRAL CONTROL AND CONTROL UNIT FOR MACHINES AND / OR DEVICES USABLE IN PRODUCTION AND / OR PACKAGING LINES OF PRODUCTS
DE9408898U1 (en) *	1994-05-31	1995-09-28	Zettler GmbH, 80469 München	Hazard detector
IE970008A1 (en) *	1996-01-10	1997-07-16	William Alexander Heffron	A detecting unit and a detecting circuit comprising a¹plurality of the detecting units
DE102016200914A1 (en)	2016-01-22	2017-07-27	Hekatron Vertriebs Gmbh	Device for line monitoring at a locking device of fire doors with smoke switches
DE102016200913A1 (en)	2016-01-22	2017-07-27	Hekatron Vertriebs Gmbh	Device for line monitoring of hazard detectors and locking devices
CN107450521A (en) *	2017-08-23	2017-12-08	郑州朗鑫智能电子科技有限公司	A kind of electric detection means of smart home
CN114067525B (en) *	2021-11-02	2024-11-22	广东恩固安全科技发展有限公司	A new alarm device for wire rope lifeline system

1967
- 1967-12-29 CH CH1834067A patent/CH463329A/en unknown
1968
- 1968-12-03 AT AT1174568A patent/AT285388B/en not_active IP Right Cessation
- 1968-12-17 DE DE1815206A patent/DE1815206C3/en not_active Expired
- 1968-12-17 DK DK617068AA patent/DK123736B/en not_active IP Right Cessation
- 1968-12-18 US US784655A patent/US3588892A/en not_active Expired - Lifetime
- 1968-12-20 SE SE6817563A patent/SE385516B/en unknown
- 1968-12-20 NL NL6818361.A patent/NL163885C/en not_active IP Right Cessation
- 1968-12-24 GB GB61420/68A patent/GB1202760A/en not_active Expired
- 1968-12-24 FR FR1599970D patent/FR1599970A/fr not_active Expired
- 1968-12-27 BE BE726158D patent/BE726158A/xx unknown

Also Published As

Publication number	Publication date
CH463329A (en)	1968-09-30
US3588892A (en)	1971-06-28
BE726158A (en)	1969-05-29
FR1599970A (en)	1970-07-20
NL163885B (en)	1980-05-16
DE1815206A1 (en)	1969-07-10
DK123736B (en)	1972-07-24
AT285388B (en)	1970-10-27
DE1815206B2 (en)	1974-12-05
SE385516B (en)	1976-07-05
DE1815206C3 (en)	1975-08-07
NL163885C (en)	1980-10-15
GB1202760A (en)	1970-08-19

Publication	Publication Date	Title
AU425114B2 (en)	1972-06-14
FR1599970A (en)	1970-07-20
AT298283B (en)	1972-03-15
AU416737B2 (en)	1971-09-03
AU342066A (en)	1968-09-19
AU2277767A (en)	1968-12-12
AU2977667A (en)	1969-05-22
AU3189468A (en)	1969-07-10
AU2116667A (en)	1969-04-03
AU2256867A (en)	1968-12-05
AU2454867A (en)	1969-01-16
AU2528767A (en)	1970-01-08
AU25066A (en)	1968-07-11
BE692779A (en)	1967-07-03
BE710348A (en)	1968-06-17
BE710087A (en)	1968-07-30
BE709994A (en)	1968-05-30
BE709755A (en)	1968-05-30
BE709632A (en)	1968-05-30
BE709571A (en)	1968-05-30
AU459699A (en)	1975-04-10
BE708918A (en)	1968-07-03
BE708909A (en)	1968-05-16
AU3054676A (en)	1969-06-19
BE708789A (en)	1968-05-02

Legal Events

Date	Code	Title	Description
1983-08-16	V1	Lapsed because of non-payment of the annual fee