JPS5438192A - Ion type smoke detector - Google Patents

Ion type smoke detector

Info

Publication number
JPS5438192A
JPS5438192A JP10526677A JP10526677A JPS5438192A JP S5438192 A JPS5438192 A JP S5438192A JP 10526677 A JP10526677 A JP 10526677A JP 10526677 A JP10526677 A JP 10526677A JP S5438192 A JPS5438192 A JP S5438192A
Authority
JP
Japan
Prior art keywords
smoke detector
ion type
type smoke
radiation source
rays
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.)
Granted
Application number
JP10526677A
Other languages
Japanese (ja)
Other versions
JPS601579B2 (en
Inventor
Tsunehiko Araki
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP10526677A priority Critical patent/JPS601579B2/en
Publication of JPS5438192A publication Critical patent/JPS5438192A/en
Publication of JPS601579B2 publication Critical patent/JPS601579B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Fire-Detection Mechanisms (AREA)

Abstract

PURPOSE: To readily find out radiation source by burying a radiation source radiating β rays or ϒ rays within the root end of a radiation source support.
COPYRIGHT: (C)1979,JPO&Japio
JP10526677A 1977-08-31 1977-08-31 Ionic smoke detector Expired JPS601579B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10526677A JPS601579B2 (en) 1977-08-31 1977-08-31 Ionic smoke detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10526677A JPS601579B2 (en) 1977-08-31 1977-08-31 Ionic smoke detector

Publications (2)

Publication Number Publication Date
JPS5438192A true JPS5438192A (en) 1979-03-22
JPS601579B2 JPS601579B2 (en) 1985-01-16

Family

ID=14402849

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10526677A Expired JPS601579B2 (en) 1977-08-31 1977-08-31 Ionic smoke detector

Country Status (1)

Country Link
JP (1) JPS601579B2 (en)

Also Published As

Publication number Publication date
JPS601579B2 (en) 1985-01-16

Similar Documents

Publication Publication Date Title
GB2109626B (en) Cold cathode diode x-ray source
ES522683A0 (en) SMOKE DETECTOR BASED ON THE PRINCIPLE OF RADIATION EXTINCTION.
AU3713078A (en) Radiation detectors
JPS53105477A (en) 7-glycylprolylamono-4-methylcoumarine
AU4524979A (en) Ellipsoid radiation collector
JPS5424587A (en) X-ray unit
GB2023686B (en) Radiation absorption by buildings
NL191032C (en) Radiation detector.
JPS5438192A (en) Ion type smoke detector
JPS5219446A (en) Air-conditioning system
JPS5216981A (en) Integrate circuit unit
JPS5335385A (en) Lighting device
JPS53148284A (en) Charged particle ray apparatus
JPS53114380A (en) Tomographic pickup unit by radiation
JPS5416973A (en) Light source device for exposure
JPS52120761A (en) Exposure unit
JPS53108315A (en) Light receiving unit
JPS53102696A (en) Electroluminescence display unit
JPS53108974A (en) 7-arginylamino-4-methylcoumarin
JPS5434172A (en) Electromagnetic-shielding dust-proof constant-temperature chamber
JPS5390858A (en) Magnetron
JPS52115160A (en) Field radiation cathode
JPS5431281A (en) Optical exposure mask
JPS53125599A (en) Emitted radioactivity reduction unit
JPS53110281A (en) Square shield beam