GB1586694A - Ionization fire alarm - Google Patents

Ionization fire alarm Download PDF

Info

Publication number
GB1586694A
GB1586694A GB47905/77A GB4790577A GB1586694A GB 1586694 A GB1586694 A GB 1586694A GB 47905/77 A GB47905/77 A GB 47905/77A GB 4790577 A GB4790577 A GB 4790577A GB 1586694 A GB1586694 A GB 1586694A
Authority
GB
United Kingdom
Prior art keywords
wall section
electrode
housing
fire alarm
tubular
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
GB47905/77A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1586694A publication Critical patent/GB1586694A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G08B17/113—Constructional details

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB47905/77A 1976-11-22 1977-11-17 Ionization fire alarm Expired GB1586694A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2652970A DE2652970C3 (de) 1976-11-22 1976-11-22 Ionisations-Brandmelder

Publications (1)

Publication Number Publication Date
GB1586694A true GB1586694A (en) 1981-03-25

Family

ID=5993674

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47905/77A Expired GB1586694A (en) 1976-11-22 1977-11-17 Ionization fire alarm

Country Status (8)

Country Link
US (1) US4139770A (enExample)
CH (1) CH622899A5 (enExample)
DE (1) DE2652970C3 (enExample)
FI (1) FI773514A7 (enExample)
FR (1) FR2371210A1 (enExample)
GB (1) GB1586694A (enExample)
NL (1) NL7709479A (enExample)
SE (1) SE7712391L (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117560A (en) * 1982-03-09 1983-10-12 Emile Hugon Capacitive smoke detector

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2045946B (en) * 1978-01-11 1982-11-24 Environmental Sciences Ass Electrochemical analysis method
JPH0530236Y2 (enExample) * 1987-10-05 1993-08-02
JP3188983B2 (ja) * 1992-04-25 2001-07-16 能美防災株式会社 感知器用ベース
DE9416314U1 (de) 1994-10-10 1994-12-01 Fritz Fuss Gmbh & Co, 72458 Albstadt Rauchmelder
CA2313190C (en) * 1998-10-07 2009-06-02 Runner & Sprue Limited Ambient condition alarm for connecting to a light fitting
GB9906784D0 (en) 1999-03-25 1999-05-19 Coventry University Enterprise Detector
US20050259424A1 (en) * 2004-05-18 2005-11-24 Zampini Thomas L Ii Collimating and controlling light produced by light emitting diodes
US7748887B2 (en) * 2005-09-30 2010-07-06 Integrated Illumination Systems, Inc. Positive locking light fixture with faceplate
US7729941B2 (en) 2006-11-17 2010-06-01 Integrated Illumination Systems, Inc. Apparatus and method of using lighting systems to enhance brand recognition
US8013538B2 (en) 2007-01-26 2011-09-06 Integrated Illumination Systems, Inc. TRI-light
US8742686B2 (en) * 2007-09-24 2014-06-03 Integrated Illumination Systems, Inc. Systems and methods for providing an OEM level networked lighting system
US8255487B2 (en) * 2008-05-16 2012-08-28 Integrated Illumination Systems, Inc. Systems and methods for communicating in a lighting network
US8585245B2 (en) 2009-04-23 2013-11-19 Integrated Illumination Systems, Inc. Systems and methods for sealing a lighting fixture
US9066381B2 (en) 2011-03-16 2015-06-23 Integrated Illumination Systems, Inc. System and method for low level dimming
US9967940B2 (en) 2011-05-05 2018-05-08 Integrated Illumination Systems, Inc. Systems and methods for active thermal management
DE102011088661A1 (de) * 2011-12-15 2013-06-20 Robert Bosch Gmbh Elektrische Vorrichtung, insbesondere zur Signal-Aufnahme oder Signal-Ausgabe
US8894437B2 (en) 2012-07-19 2014-11-25 Integrated Illumination Systems, Inc. Systems and methods for connector enabling vertical removal
US9379578B2 (en) 2012-11-19 2016-06-28 Integrated Illumination Systems, Inc. Systems and methods for multi-state power management
US9420665B2 (en) 2012-12-28 2016-08-16 Integration Illumination Systems, Inc. Systems and methods for continuous adjustment of reference signal to control chip
US9485814B2 (en) 2013-01-04 2016-11-01 Integrated Illumination Systems, Inc. Systems and methods for a hysteresis based driver using a LED as a voltage reference
US10242545B2 (en) * 2015-05-19 2019-03-26 Google Llc Adjustable-angle mounting system for hazard detector
US10060599B2 (en) 2015-05-29 2018-08-28 Integrated Illumination Systems, Inc. Systems, methods and apparatus for programmable light fixtures
US10030844B2 (en) 2015-05-29 2018-07-24 Integrated Illumination Systems, Inc. Systems, methods and apparatus for illumination using asymmetrical optics
EP3875918A1 (en) * 2020-03-02 2021-09-08 Husqvarna Ab Transmitter device
US12416908B2 (en) 2022-12-29 2025-09-16 Integrated Illumination Systems, Inc. Systems and methods for manufacturing light fixtures
US12297996B2 (en) 2023-02-16 2025-05-13 Integrated Illumination Systems, Inc. Cove light fixture with hidden integrated air return

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE790355A (fr) * 1971-10-20 1973-02-15 Bevaknings A B Securitas Detecteur de fumee
CH551057A (de) * 1973-04-17 1974-06-28 Cerberus Ag Ionisationsfeuermelder.
US3959788A (en) * 1974-05-10 1976-05-25 General Signal Corporation Ionization-type fire detector
BE831296A (fr) * 1975-07-11 1975-11-03 Detecteur ionique
US4075487A (en) * 1976-05-14 1978-02-21 Patent Development & Management Company Ionization chamber assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117560A (en) * 1982-03-09 1983-10-12 Emile Hugon Capacitive smoke detector

Also Published As

Publication number Publication date
FR2371210A1 (fr) 1978-06-16
US4139770A (en) 1979-02-13
NL7709479A (nl) 1978-05-24
FI773514A7 (fi) 1978-05-23
DE2652970B2 (de) 1979-01-04
FR2371210B1 (enExample) 1983-04-08
SE7712391L (sv) 1978-05-23
CH622899A5 (enExample) 1981-04-30
DE2652970C3 (de) 1979-09-06
DE2652970A1 (de) 1978-05-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee