JPS6237844U - - Google Patents

Info

Publication number

JPS6237844U

JPS6237844U JP12986785U JP12986785U JPS6237844U JP S6237844 U JPS6237844 U JP S6237844U JP 12986785 U JP12986785 U JP 12986785U JP 12986785 U JP12986785 U JP 12986785U JP S6237844 U JPS6237844 U JP S6237844U

Authority

JP

Japan

Prior art keywords

end portion

optical detection

detection means

rotation controller

slit member

Prior art date

1985-08-26

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

• 238000001514 detection method Methods 0.000 claims 2
• 230000003287 optical effect Effects 0.000 claims 2
• 238000005452 bending Methods 0.000 description 1