发明名称 |
Apparatus for operating a fluorescent lamp of an image forming apparatus. |
摘要 |
<p>An apparatus for operating a fluorescent lamp having first and second power source circuits, the second power source circuit including a high frequency transformer having two or more outputs for supplying pre-heating electric currents to filaments, the second power source circuit being arranged to be controllable individually from the first power source circuit for supplying a tube electric current to turn on a fluorescent lamp so that the electric power level for pre-heating the filaments is switched between a state where a light adjustment is performed by turning on/off a tube electric current at high frequency and a state where the fluorescent lamp is turned off in a standby mode. <IMAGE></p> |
申请公布号 |
EP0650313(A2) |
申请公布日期 |
1995.04.26 |
申请号 |
EP19940116821 |
申请日期 |
1994.10.25 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
SEKIYA, TOSHIYUKI, C/O CANON K.K.;ISHIKAWA, TADASHI, C/O CANON K.K.;ASAYAMA, ATSUSHI, C/O CANON K.K. |
分类号 |
H05B41/295;H05B41/392;(IPC1-7):H05B41/29 |
主分类号 |
H05B41/295 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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