NL150595B - IONIZATION SMOKE DETECTOR. - Google Patents

IONIZATION SMOKE DETECTOR.

Info

Publication number
NL150595B
NL150595B NL707004720A NL7004720A NL150595B NL 150595 B NL150595 B NL 150595B NL 707004720 A NL707004720 A NL 707004720A NL 7004720 A NL7004720 A NL 7004720A NL 150595 B NL150595 B NL 150595B
Authority
NL
Netherlands
Prior art keywords
smoke detector
ionization smoke
ionization
detector
smoke
Prior art date
Application number
NL707004720A
Other languages
Dutch (nl)
Other versions
NL7004720A (en
Original Assignee
Nittan 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.)
Filing date
Publication date
Application filed by Nittan Co Ltd filed Critical Nittan Co Ltd
Publication of NL7004720A publication Critical patent/NL7004720A/xx
Publication of NL150595B publication Critical patent/NL150595B/en

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)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
NL707004720A 1969-06-16 1970-04-02 IONIZATION SMOKE DETECTOR. NL150595B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4688769 1969-06-16
JP4688669 1969-06-16

Publications (2)

Publication Number Publication Date
NL7004720A NL7004720A (en) 1970-12-18
NL150595B true NL150595B (en) 1976-08-16

Family

ID=26387034

Family Applications (1)

Application Number Title Priority Date Filing Date
NL707004720A NL150595B (en) 1969-06-16 1970-04-02 IONIZATION SMOKE DETECTOR.

Country Status (9)

Country Link
US (1) US3718919A (en)
AT (1) AT301398B (en)
DE (1) DE2029752B2 (en)
ES (1) ES378081A1 (en)
FR (1) FR2054574B1 (en)
GB (1) GB1254839A (en)
IL (1) IL34107A (en)
NL (1) NL150595B (en)
SE (1) SE348576B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2130445C3 (en) * 1971-06-19 1981-06-04 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Circuit arrangement for line circuits used for reporting and signaling
US4020415A (en) * 1974-12-30 1977-04-26 Unitec, Inc. Combustion product indicator
USRE30117E (en) * 1975-07-25 1979-10-16 Cerberus Ag Ionization-type fire or smoke sensing system
CH586941A5 (en) * 1975-07-25 1977-04-15 Cerberus Ag
US4083037A (en) * 1975-12-08 1978-04-04 Patent Development & Management Company Detection circuit

Also Published As

Publication number Publication date
US3718919A (en) 1973-02-27
FR2054574A1 (en) 1971-04-23
IL34107A0 (en) 1970-05-21
DE2029752A1 (en) 1971-01-07
SE348576B (en) 1972-09-04
DE2029752B2 (en) 1971-12-02
AT301398B (en) 1972-09-11
NL7004720A (en) 1970-12-18
IL34107A (en) 1972-09-28
ES378081A1 (en) 1972-12-01
FR2054574B1 (en) 1973-03-16
GB1254839A (en) 1971-11-24

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: NITTAN