ES381706A1 - Un dispositivo detector de incendios. - Google Patents

Un dispositivo detector de incendios.

Info

Publication number
ES381706A1
ES381706A1 ES381706A ES381706A ES381706A1 ES 381706 A1 ES381706 A1 ES 381706A1 ES 381706 A ES381706 A ES 381706A ES 381706 A ES381706 A ES 381706A ES 381706 A1 ES381706 A1 ES 381706A1
Authority
ES
Spain
Prior art keywords
field effect
effect transistor
ionization chamber
electrodes
pair
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
ES381706A
Other languages
English (en)
Spanish (es)
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.)
Nittan Co Ltd
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 ES381706A1 publication Critical patent/ES381706A1/es
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)
ES381706A 1969-07-12 1970-07-11 Un dispositivo detector de incendios. Expired ES381706A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES381706A1 true ES381706A1 (es) 1972-12-01

Family

ID=12981391

Family Applications (1)

Application Number Title Priority Date Filing Date
ES381706A Expired ES381706A1 (es) 1969-07-12 1970-07-11 Un dispositivo detector de incendios.

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
CH510310A (de) 1971-07-15
DE2033942B2 (de) 1972-05-10
GB1280431A (en) 1972-07-05
FR2054197A5 (de) 1971-04-16
NL7010239A (de) 1971-01-14
DE2033942A1 (de) 1971-02-04
IL34849A (en) 1973-10-25
IL34849A0 (en) 1970-10-30
ZA704504B (en) 1971-03-31

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