JPH0354955U - - Google Patents

Info

Publication number

JPH0354955U

JPH0354955U JP11584789U JP11584789U JPH0354955U JP H0354955 U JPH0354955 U JP H0354955U JP 11584789 U JP11584789 U JP 11584789U JP 11584789 U JP11584789 U JP 11584789U JP H0354955 U JPH0354955 U JP H0354955U

Authority

JP

Japan

Prior art keywords

tube wall

wall temperature

fluorescent lamp

detecting

detection means

Prior art date

1989-10-03

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

• 230000002265 prevention Effects 0.000 claims description 2
• 238000001514 detection method Methods 0.000 claims 4
• 230000003287 optical effect Effects 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1