NL7713337A - Rookdetector. - Google Patents

Rookdetector.

Info

Publication number
NL7713337A
NL7713337A NL7713337A NL7713337A NL7713337A NL 7713337 A NL7713337 A NL 7713337A NL 7713337 A NL7713337 A NL 7713337A NL 7713337 A NL7713337 A NL 7713337A NL 7713337 A NL7713337 A NL 7713337A
Authority
NL
Netherlands
Prior art keywords
smoke detector
smoke
detector
Prior art date
Application number
NL7713337A
Other languages
English (en)
Dutch (nl)
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of NL7713337A publication Critical patent/NL7713337A/xx

Links

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)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Measurement Of Current Or Voltage (AREA)
NL7713337A 1976-12-01 1977-12-01 Rookdetector. NL7713337A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/746,293 US4118689A (en) 1976-12-01 1976-12-01 Smoke detector

Publications (1)

Publication Number Publication Date
NL7713337A true NL7713337A (nl) 1978-06-05

Family

ID=25000230

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7713337A NL7713337A (nl) 1976-12-01 1977-12-01 Rookdetector.

Country Status (7)

Country Link
US (1) US4118689A (fr)
JP (1) JPS5392192A (fr)
BE (1) BE861387A (fr)
CA (1) CA1095638A (fr)
DE (1) DE2753324A1 (fr)
FR (1) FR2385097A1 (fr)
NL (1) NL7713337A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183020A (en) * 1977-09-19 1980-01-08 Rca Corporation Amplifier with field effect and bipolar transistors
US6177961B1 (en) * 1996-02-14 2001-01-23 Thomson Licensing S.A. Television system with display of VCR mode
US8415638B2 (en) * 2010-08-06 2013-04-09 Thermo Fisher Scientific Inc. Method for detecting high-energy radiation using low voltage optimized ion chamber
WO2015187249A1 (fr) * 2014-06-03 2015-12-10 Carrier Corporation Filtres à air ioniseur pour la détection de particules dangereuses
US10488365B2 (en) * 2015-06-17 2019-11-26 Qualcomm Incorporated Current sensors using bipolar transistors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3516083A (en) * 1965-12-02 1970-06-02 Denske Securitas As Electric alarm system,preferably for a fire alarm
US3798625A (en) * 1970-08-13 1974-03-19 Sci Systems Inc Rate-of-change combustion and combination detection apparatus
US3728703A (en) * 1970-10-12 1973-04-17 Edward Co Inc Fire detector stabilizer circuit
US4023152A (en) * 1973-10-01 1977-05-10 Matsushita Electric Works, Ltd. Ionization type smoke sensing device

Also Published As

Publication number Publication date
BE861387A (fr) 1978-03-31
CA1095638A (fr) 1981-02-10
JPS5392192A (en) 1978-08-12
FR2385097A1 (fr) 1978-10-20
US4118689A (en) 1978-10-03
DE2753324A1 (de) 1978-06-08

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Legal Events

Date Code Title Description
BV The patent application has lapsed