JPS6313415U - - Google Patents

Info

Publication number

JPS6313415U

JPS6313415U JP10783586U JP10783586U JPS6313415U JP S6313415 U JPS6313415 U JP S6313415U JP 10783586 U JP10783586 U JP 10783586U JP 10783586 U JP10783586 U JP 10783586U JP S6313415 U JPS6313415 U JP S6313415U

Authority

JP

Japan

Prior art keywords

light

recording medium

reflected

spot

beam splitter

Prior art date

1986-07-14

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 12
• 238000001514 detection method Methods 0.000 claims description 3
• 238000010586 diagram Methods 0.000 description 5
• 230000004048 modification Effects 0.000 description 1
• 238000012986 modification Methods 0.000 description 1
• 239000004065 semiconductor Substances 0.000 description 1