JPH02143884U - - Google Patents

Info

Publication number

JPH02143884U

JPH02143884U JP5264789U JP5264789U JPH02143884U JP H02143884 U JPH02143884 U JP H02143884U JP 5264789 U JP5264789 U JP 5264789U JP 5264789 U JP5264789 U JP 5264789U JP H02143884 U JPH02143884 U JP H02143884U

Authority

JP

Japan

Prior art keywords

projection tube

coupling frame

optical

convex portion

coupling device

Prior art date

1989-05-09

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

• 230000008878 coupling Effects 0.000 claims description 16
• 238000010168 coupling process Methods 0.000 claims description 16
• 238000005859 coupling reaction Methods 0.000 claims description 16
• 230000003287 optical effect Effects 0.000 claims description 12
• 238000012856 packing Methods 0.000 claims description 2
• 238000007789 sealing Methods 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 125000006850 spacer group Chemical group 0.000 description 1

Cited By (1)