JPH0330953Y2 - - Google Patents

Info

Publication number

JPH0330953Y2

JPH0330953Y2 JP15901384U JP15901384U JPH0330953Y2 JP H0330953 Y2 JPH0330953 Y2 JP H0330953Y2 JP 15901384 U JP15901384 U JP 15901384U JP 15901384 U JP15901384 U JP 15901384U JP H0330953 Y2 JPH0330953 Y2 JP H0330953Y2

Authority

JP

Japan

Prior art keywords

output

circuit

ambient temperature

smoke

detection element

Prior art date

1984-10-20

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

• 239000004065 semiconductor Substances 0.000 claims description 16
• 238000001514 detection method Methods 0.000 claims description 7
• 239000002131 composite material Substances 0.000 claims description 4
• 238000002336 sorption--desorption measurement Methods 0.000 claims description 4
• 239000007789 gas Substances 0.000 description 21
• 239000000779 smoke Substances 0.000 description 20
• 230000007423 decrease Effects 0.000 description 8
• 238000010586 diagram Methods 0.000 description 5
• 229910044991 metal oxide Inorganic materials 0.000 description 4
• 150000004706 metal oxides Chemical class 0.000 description 4
• 239000002184 metal Substances 0.000 description 3
• 229910006404 SnO 2 Inorganic materials 0.000 description 2
• 239000003990 capacitor Substances 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
• 238000007084 catalytic combustion reaction Methods 0.000 description 1
• 238000006243 chemical reaction Methods 0.000 description 1
• 235000019504 cigarettes Nutrition 0.000 description 1
• 238000010411 cooking Methods 0.000 description 1
• 230000003111 delayed effect Effects 0.000 description 1
• 238000006073 displacement reaction Methods 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 238000010030 laminating Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 230000003287 optical effect Effects 0.000 description 1
• 231100000614 poison Toxicity 0.000 description 1
• 230000007096 poisonous effect Effects 0.000 description 1
• 230000001932 seasonal effect Effects 0.000 description 1
• 230000035945 sensitivity Effects 0.000 description 1
• 238000005507 spraying Methods 0.000 description 1
• 230000001960 triggered effect Effects 0.000 description 1