JPH044319Y2 - - Google Patents

Info

Publication number

JPH044319Y2

JPH044319Y2 JP18499484U JP18499484U JPH044319Y2 JP H044319 Y2 JPH044319 Y2 JP H044319Y2 JP 18499484 U JP18499484 U JP 18499484U JP 18499484 U JP18499484 U JP 18499484U JP H044319 Y2 JPH044319 Y2 JP H044319Y2

Authority

JP

Japan

Prior art keywords

sensor

light

test

emitting element

receiving element

Prior art date

1984-12-07

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

• 238000012360 testing method Methods 0.000 claims description 53
• 238000005070 sampling Methods 0.000 claims description 3
• 238000012544 monitoring process Methods 0.000 claims description 2
• 238000001514 detection method Methods 0.000 claims 2
• 239000000779 smoke Substances 0.000 description 8
• 238000012790 confirmation Methods 0.000 description 7
• 230000035945 sensitivity Effects 0.000 description 7
• 239000003990 capacitor Substances 0.000 description 3
• 238000004891 communication Methods 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 238000007689 inspection Methods 0.000 description 2
• 238000012423 maintenance Methods 0.000 description 2
• 230000004913 activation Effects 0.000 description 1
• 230000002411 adverse Effects 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 230000001010 compromised effect Effects 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 238000007599 discharging Methods 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 230000003287 optical effect Effects 0.000 description 1