JPH0380943U - - Google Patents

Info

Publication number

JPH0380943U

JPH0380943U JP14239489U JP14239489U JPH0380943U JP H0380943 U JPH0380943 U JP H0380943U JP 14239489 U JP14239489 U JP 14239489U JP 14239489 U JP14239489 U JP 14239489U JP H0380943 U JPH0380943 U JP H0380943U

Authority

JP

Japan

Prior art keywords

light

case

photoelectric switch

projecting element

light source

Prior art date

1989-12-08

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

• 230000003287 optical effect Effects 0.000 claims description 2
• 238000005259 measurement Methods 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1