JPH0421185Y2 - - Google Patents

Info

Publication number

JPH0421185Y2

JPH0421185Y2 JP6709185U JP6709185U JPH0421185Y2 JP H0421185 Y2 JPH0421185 Y2 JP H0421185Y2 JP 6709185 U JP6709185 U JP 6709185U JP 6709185 U JP6709185 U JP 6709185U JP H0421185 Y2 JPH0421185 Y2 JP H0421185Y2

Authority

JP

Japan

Prior art keywords

fire

dirt

output

circuit

ion chamber

Prior art date

1985-05-07

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

Links

• Espacenet
• Global Dossier
• Discuss

• 238000001514 detection method Methods 0.000 claims description 47
• 230000035945 sensitivity Effects 0.000 claims description 40
• 239000000779 smoke Substances 0.000 claims description 5
• 230000005669 field effect Effects 0.000 claims 3
• 230000005540 biological transmission Effects 0.000 claims 1
• 238000006243 chemical reaction Methods 0.000 claims 1
• 239000000428 dust Substances 0.000 description 6
• 238000010586 diagram Methods 0.000 description 3
• 238000009434 installation Methods 0.000 description 3
• 101150073536 FET3 gene Proteins 0.000 description 2
• 230000032683 aging Effects 0.000 description 1
• 238000011109 contamination Methods 0.000 description 1

Cited By (1)