JPH01132935U - - Google Patents

Info

Publication number

JPH01132935U

JPH01132935U JP2540188U JP2540188U JPH01132935U JP H01132935 U JPH01132935 U JP H01132935U JP 2540188 U JP2540188 U JP 2540188U JP 2540188 U JP2540188 U JP 2540188U JP H01132935 U JPH01132935 U JP H01132935U

Authority

JP

Japan

Prior art keywords

light source

optical chamber

opening

surrounded

protruding portion

Prior art date

1988-02-26

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

• 230000003287 optical effect Effects 0.000 claims description 3
• 230000017525 heat dissipation Effects 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1
• 230000005855 radiation Effects 0.000 description 1