JPH01124604U - - Google Patents

Info

Publication number

JPH01124604U

JPH01124604U JP2039588U JP2039588U JPH01124604U JP H01124604 U JPH01124604 U JP H01124604U JP 2039588 U JP2039588 U JP 2039588U JP 2039588 U JP2039588 U JP 2039588U JP H01124604 U JPH01124604 U JP H01124604U

Authority

JP

Japan

Prior art keywords

reflecting surface

projection

spheroidal reflecting

focal point

projection lens

Prior art date

1988-02-18

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

• 238000005286 illumination Methods 0.000 claims description 4
• 230000003287 optical effect Effects 0.000 claims 1

Cited By (1)