JPH0292821U - - Google Patents

Info

Publication number

JPH0292821U

JPH0292821U JP104889U JP104889U JPH0292821U JP H0292821 U JPH0292821 U JP H0292821U JP 104889 U JP104889 U JP 104889U JP 104889 U JP104889 U JP 104889U JP H0292821 U JPH0292821 U JP H0292821U

Authority

JP

Japan

Prior art keywords

optical disk

information

light spot

drive device

recording surface

Prior art date

1989-01-09

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 19
• 230000004907 flux Effects 0.000 claims description 5
• 230000008033 biological extinction Effects 0.000 claims 1
• 230000000694 effects Effects 0.000 claims 1
• 238000005286 illumination Methods 0.000 claims 1
• 230000015572 biosynthetic process Effects 0.000 description 4
• 238000010586 diagram Methods 0.000 description 1