JPS6192859U - - Google Patents

Info

Publication number

JPS6192859U

JPS6192859U JP17734884U JP17734884U JPS6192859U JP S6192859 U JPS6192859 U JP S6192859U JP 17734884 U JP17734884 U JP 17734884U JP 17734884 U JP17734884 U JP 17734884U JP S6192859 U JPS6192859 U JP S6192859U

Authority

JP

Japan

Prior art keywords

optical fiber

light emitting

detection window

emitting element

casing

Prior art date

1984-11-22

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 239000013307 optical fiber Substances 0.000 claims description 6
• 238000001514 detection method Methods 0.000 claims description 4
• 239000000779 smoke Substances 0.000 claims 1

Cited By (2)