JPH0197414U - - Google Patents

Info

Publication number

JPH0197414U

JPH0197414U JP19269887U JP19269887U JPH0197414U JP H0197414 U JPH0197414 U JP H0197414U JP 19269887 U JP19269887 U JP 19269887U JP 19269887 U JP19269887 U JP 19269887U JP H0197414 U JPH0197414 U JP H0197414U

Authority

JP

Japan

Prior art keywords

light receiving

laser beam

receiving element

light

reflected laser

Prior art date

1987-12-21

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 4
• 238000001514 detection method Methods 0.000 claims 2
• 238000010586 diagram Methods 0.000 description 7
• 238000003384 imaging method Methods 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 239000004065 semiconductor Substances 0.000 description 1