IL34849A - Ionization type fire detector - Google Patents

Ionization type fire detector

Info

Publication number
IL34849A
IL34849A IL34849A IL3484970A IL34849A IL 34849 A IL34849 A IL 34849A IL 34849 A IL34849 A IL 34849A IL 3484970 A IL3484970 A IL 3484970A IL 34849 A IL34849 A IL 34849A
Authority
IL
Israel
Prior art keywords
electrode
ionization
fire detector
field effect
effect transistor
Prior art date
Application number
IL34849A
Other languages
English (en)
Other versions
IL34849A0 (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 IL34849A0 publication Critical patent/IL34849A0/xx
Publication of IL34849A publication Critical patent/IL34849A/en

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)
IL34849A 1969-07-12 1970-07-03 Ionization type fire detector IL34849A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5482369 1969-07-12

Publications (2)

Publication Number Publication Date
IL34849A0 IL34849A0 (en) 1970-10-30
IL34849A true IL34849A (en) 1973-10-25

Family

ID=12981391

Family Applications (1)

Application Number Title Priority Date Filing Date
IL34849A IL34849A (en) 1969-07-12 1970-07-03 Ionization type fire detector

Country Status (8)

Country Link
CH (1) CH510310A (de)
DE (1) DE2033942B2 (de)
ES (1) ES381706A1 (de)
FR (1) FR2054197A5 (de)
GB (1) GB1280431A (de)
IL (1) IL34849A (de)
NL (1) NL7010239A (de)
ZA (1) ZA704504B (de)

Also Published As

Publication number Publication date
IL34849A0 (en) 1970-10-30
ES381706A1 (es) 1972-12-01
ZA704504B (en) 1971-03-31
DE2033942A1 (de) 1971-02-04
NL7010239A (de) 1971-01-14
GB1280431A (en) 1972-07-05
FR2054197A5 (de) 1971-04-16
DE2033942B2 (de) 1972-05-10
CH510310A (de) 1971-07-15

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