JPH0349945Y2 - - Google Patents

Info

Publication number

JPH0349945Y2

JPH0349945Y2 JP1985115999U JP11599985U JPH0349945Y2 JP H0349945 Y2 JPH0349945 Y2 JP H0349945Y2 JP 1985115999 U JP1985115999 U JP 1985115999U JP 11599985 U JP11599985 U JP 11599985U JP H0349945 Y2 JPH0349945 Y2 JP H0349945Y2

Authority

JP

Japan

Prior art keywords

light

stop position

position confirmation

vehicle

irradiation

Prior art date

1985-07-30

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

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• 230000000903 blocking effect Effects 0.000 claims description 10
• 230000000873 masking effect Effects 0.000 description 9
• 230000003287 optical effect Effects 0.000 description 9
• 240000007320 Pinus strobus Species 0.000 description 7
• 238000013459 approach Methods 0.000 description 2
• 238000010586 diagram Methods 0.000 description 2
• LFEUVBZXUFMACD-UHFFFAOYSA-H lead(2+);trioxido(oxo)-$l^{5}-arsane Chemical compound [Pb+2].[Pb+2].[Pb+2].[O-][As]([O-])([O-])=O.[O-][As]([O-])([O-])=O LFEUVBZXUFMACD-UHFFFAOYSA-H 0.000 description 2
• 239000004973 liquid crystal related substance Substances 0.000 description 2
• 238000002834 transmittance Methods 0.000 description 2
• 230000000694 effects Effects 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 238000012423 maintenance Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 230000001360 synchronised effect Effects 0.000 description 1