JPS642239U - - Google Patents

Info

Publication number

JPS642239U

JPS642239U JP9603287U JP9603287U JPS642239U JP S642239 U JPS642239 U JP S642239U JP 9603287 U JP9603287 U JP 9603287U JP 9603287 U JP9603287 U JP 9603287U JP S642239 U JPS642239 U JP S642239U

Authority

JP

Japan

Prior art keywords

light condensing

condensing part

lenticular lens

transmissive screen

incident side

Prior art date

1987-06-24

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

• 239000011248 coating agent Substances 0.000 claims description 2
• 238000000576 coating method Methods 0.000 claims description 2
• 230000005540 biological transmission Effects 0.000 description 3
• 238000010586 diagram Methods 0.000 description 1
• 230000031700 light absorption Effects 0.000 description 1
• 239000000463 material Substances 0.000 description 1

Cited By (1)