JPS62120431U - - Google Patents

Info

Publication number

JPS62120431U

JPS62120431U JP902686U JP902686U JPS62120431U JP S62120431 U JPS62120431 U JP S62120431U JP 902686 U JP902686 U JP 902686U JP 902686 U JP902686 U JP 902686U JP S62120431 U JPS62120431 U JP S62120431U

Authority

JP

Japan

Prior art keywords

optical head

beams

beam optical

prism

recording medium

Prior art date

1986-01-24

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 5
• 238000010586 diagram Methods 0.000 description 2
• 239000004065 semiconductor Substances 0.000 description 1