JPH01138220U - - Google Patents

Info

Publication number

JPH01138220U

JPH01138220U JP3351188U JP3351188U JPH01138220U JP H01138220 U JPH01138220 U JP H01138220U JP 3351188 U JP3351188 U JP 3351188U JP 3351188 U JP3351188 U JP 3351188U JP H01138220 U JPH01138220 U JP H01138220U

Authority

JP

Japan

Prior art keywords

recording medium

optical recording

respect

beam spot

intersection

Prior art date

1988-03-14

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.)

Granted

Links

• Espacenet
• Global Dossier
• Discuss

• 230000003287 optical effect Effects 0.000 claims description 14
• 238000001514 detection method Methods 0.000 claims description 4
• 238000005259 measurement Methods 0.000 claims 2
• 238000002834 transmittance Methods 0.000 claims 2
• 238000010586 diagram Methods 0.000 description 10
• 238000000034 method Methods 0.000 description 3
• 230000005540 biological transmission Effects 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 238000012544 monitoring process Methods 0.000 description 1