JPS6180446U - - Google Patents

Info

Publication number

JPS6180446U

JPS6180446U JP16581784U JP16581784U JPS6180446U JP S6180446 U JPS6180446 U JP S6180446U JP 16581784 U JP16581784 U JP 16581784U JP 16581784 U JP16581784 U JP 16581784U JP S6180446 U JPS6180446 U JP S6180446U

Authority

JP

Japan

Prior art keywords

accumulation surface

light

light emitting

emitting section

snowfall

Prior art date

1984-11-01

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

• 238000001514 detection method Methods 0.000 claims description 2
• 238000009825 accumulation Methods 0.000 claims 3
• 238000010586 diagram Methods 0.000 description 5
• 230000010354 integration Effects 0.000 description 1