JPH02132209U - - Google Patents

Info

Publication number

JPH02132209U

JPH02132209U JP4220289U JP4220289U JPH02132209U JP H02132209 U JPH02132209 U JP H02132209U JP 4220289 U JP4220289 U JP 4220289U JP 4220289 U JP4220289 U JP 4220289U JP H02132209 U JPH02132209 U JP H02132209U

Authority

JP

Japan

Prior art keywords

entrance surface

beam shaping

total reflection

reflecting surfaces

entrance

Prior art date

1989-04-11

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

• 238000007493 shaping process Methods 0.000 claims 3
• 230000003287 optical effect Effects 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1