HK10478A - Ionization fire alarm with insulation monitoring - Google Patents

Ionization fire alarm with insulation monitoring

Info

Publication number: HK10478A
Authority: HK; Hong Kong
Prior art keywords: fire alarm; insulation monitoring; ionization fire; ionization; insulation
Prior art date: 1969-06-24

Application number

HK104/78A

Inventor

A Scheidweiler

O Meier

Original Assignee

Cerberus Ag

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.)

1969-06-24

Filing date

1978-02-23

Publication date

1978-03-03

1978-02-23 Application filed by Cerberus Ag filed Critical Cerberus Ag

1978-03-03 Publication of HK10478A publication Critical patent/HK10478A/en

Classifications

- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas

Landscapes

Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Business, Economics & Management (AREA)
Emergency Management (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Fire Alarms (AREA)
Fire-Detection Mechanisms (AREA)
Alarm Systems (AREA)

HK104/78A 1969-06-24 1978-02-23 Ionization fire alarm with insulation monitoring HK10478A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH966269A CH497755A (en)	1969-06-24	1969-06-24	Ionization fire alarms

Publications (1)

Publication Number	Publication Date
HK10478A true HK10478A (en)	1978-03-03

Family

ID=4354339

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
HK104/78A HK10478A (en)	1969-06-24	1978-02-23	Ionization fire alarm with insulation monitoring

Country Status (12)

Country	Link
US (1)	US3676680A (en)
BE (1)	BE752058A (en)
CH (1)	CH497755A (en)
DE (1)	DE2029794C3 (en)
FR (1)	FR2060523A5 (en)
GB (1)	GB1291755A (en)
HK (1)	HK10478A (en)
NL (1)	NL168976C (en)
NO (1)	NO125704B (en)
SE (1)	SE354139B (en)
YU (1)	YU33338B (en)
ZA (1)	ZA704145B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NO129270B (en) *	1970-05-16	1974-03-18	Preussag Ag Feuerschutz
CA933679A (en) *	1970-08-10	1973-09-11	Nittan Company	Fire alarming system
US3964036A (en) *	1972-11-15	1976-06-15	Hochiki Corporation	Ionization smoke detector co-used to issue fire alarm and detect ambient atmosphere
US3866195A (en) *	1973-05-07	1975-02-11	Fire Alert Company	Combustion product detector and method of calibrating
US3906474A (en) *	1973-05-07	1975-09-16	Fire Alert Company	Combustion products alarm
US4023152A (en) *	1973-10-01	1977-05-10	Matsushita Electric Works, Ltd.	Ionization type smoke sensing device
US3944859A (en) *	1974-09-03	1976-03-16	Rca Corporation	Bridge-balance detection circuit
USRE30117E (en) *	1975-07-25	1979-10-16	Cerberus Ag	Ionization-type fire or smoke sensing system
US4038649A (en) *	1975-09-16	1977-07-26	Emhart Industries, Inc.	Smoke detection alarm device
DE2713280C3 (en) *	1977-03-25	1986-10-23	Esser Sicherheitstechnik GmbH & Co KG, 4040 Neuss	Function-testable fire alarm system
JPS583195Y2 (en) *	1977-10-20	1983-01-20	ツエルベルス・アクチェン・ゲゼルシャフト	Ionic fire detector
DE3004753C2 (en) *	1980-02-08	1983-12-22	Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf	Fire alarm device
NL180784C (en) *	1983-10-14	1987-04-16	Nederlanden Staat	GAS SENSITIVE SENSOR.
DE3904979A1 (en) *	1989-02-18	1990-08-23	Beyersdorf Hartwig	METHOD FOR OPERATING AN IONIZATION SMOKE DETECTOR AND IONIZATION SMOKE DETECTOR
US5189399A (en) *	1989-02-18	1993-02-23	Hartwig Beyersdorf	Method of operating an ionization smoke alarm and ionization smoke alarm
DE4028167A1 (en) *	1990-09-05	1992-03-12	Esser Sicherheitstechnik	Ionisation fire detector - has common electrode with FET device coupled by conductive material to electrode
US9437100B2 (en) *	2013-11-02	2016-09-06	Jeffrey D. Zwirn	Supervising alarm notification devices
CN112946458B (en) *	2021-02-22	2024-01-12	重庆四联测控技术有限公司	Forced alarm current output system and method of pressure transmitter
CN114446002B (en) *	2022-01-17	2023-10-31	厦门理工学院	Fire on-line monitoring method, device, medium and system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2646556A (en) *	1950-06-17	1953-07-21	C O Two Fire Equipment Co	Supervised alarm system
JPS446089Y1 (en) *	1966-03-30	1969-03-05
US3514603A (en) *	1966-12-22	1970-05-26	Johnson Service Co	Ionization chamber detection apparatus having a low voltage source means

1969
- 1969-06-24 CH CH966269A patent/CH497755A/en not_active IP Right Cessation
1970
- 1970-06-08 US US44091A patent/US3676680A/en not_active Expired - Lifetime
- 1970-06-10 NL NLAANVRAGE7008421,A patent/NL168976C/en active
- 1970-06-16 DE DE2029794A patent/DE2029794C3/en not_active Expired
- 1970-06-16 BE BE752058D patent/BE752058A/en unknown
- 1970-06-17 ZA ZA704145A patent/ZA704145B/en unknown
- 1970-06-17 FR FR7022334A patent/FR2060523A5/fr not_active Expired
- 1970-06-22 YU YU1575/70A patent/YU33338B/en unknown
- 1970-06-23 SE SE08660/70A patent/SE354139B/xx unknown
- 1970-06-23 NO NO2432/70A patent/NO125704B/no unknown
- 1970-06-24 GB GB30653/70A patent/GB1291755A/en not_active Expired
1978
- 1978-02-23 HK HK104/78A patent/HK10478A/en unknown

Also Published As

Publication number	Publication date
DE2029794C3 (en)	1979-10-11
BE752058A (en)	1970-12-01
NL7008421A (en)	1970-12-29
FR2060523A5 (en)	1971-06-18
SE354139B (en)	1973-02-26
YU157570A (en)	1976-04-30
US3676680A (en)	1972-07-11
DE2029794A1 (en)	1971-01-07
CH497755A (en)	1970-10-15
GB1291755A (en)	1972-10-04
NO125704B (en)	1972-10-16
ZA704145B (en)	1971-03-31
NL168976C (en)	1982-05-17
YU33338B (en)	1976-10-31
DE2029794B2 (en)	1973-04-26

Publication	Publication Date	Title
ZA714783B (en)	1972-04-26	Ionisation fire alarm
ZA704145B (en)	1971-03-31	Ionization fire alarm with insulation monitoring
HK11577A (en)	1977-03-11	Ionisation fire alarm
HK20378A (en)	1978-04-20	Ionisation fire alarm
DK126607C (en)	1977-06-20	IONIZATION FIRE ALARM
CA948332A (en)	1974-05-28	Fire alarm with ionization chamber
IL34977A0 (en)	1970-09-17	Ionization smoke detector
CH489070A (en)	1970-04-15	Ionization fire alarms
IL34107A (en)	1972-09-28	Ionization smoke detector
AU470813B2 (en)	1971-12-23	Ionization fire alarm with insulation monitoring
AU1648370A (en)	1971-12-23	Ionization fire alarm with insulation monitoring
IL33654A0 (en)	1970-03-22	Ionization smoke detector
CA916316A (en)	1972-12-05	Ionization fire alarm with insulation monitoring
AT332762B (en)	1976-10-11	IONIZATION FIRE ALARM
AU443822B2 (en)	1971-09-23	Ionization fire alarm
ZA713112B (en)	1972-02-23	Ionization fire alarm
AU1280270A (en)	1971-09-23	Ionization fire alarm
AU442698B2 (en)	1971-11-11	Ionisation fire alarm
AU433276B2 (en)	1972-11-23	Ionization fire alarm
SE384941B (en)	1976-05-24	IONIZATION FIRE ALARM WITH FUNCTION MONITORING
AU1470070A (en)	1971-11-11	Ionisation fire alarm
CA817666A (en)	1969-07-15	Fire alarm
CH508252A (en)	1971-05-31	Fire alarm system
AU2891971A (en)	1972-11-23	Ionization fire alarm
IL34813A0 (en)	1970-08-19	Ionization smoke detector