Title:
【発明の名称】放電管点灯装置
Document Type and Number:
Japanese Patent JP2962506
Kind Code:
B2
Abstract:
In order to detect a fault which would result in heating or fuming of a discharge tube lighting circuit and to break the lighting circuit, input voltage and current are measured and multiplied to compute the input power. The discharge tube 3 is extinguished when an input power reaches a predetermined value.
Inventors:
IKEDA RYUICHI
MATSUMOTO SHUZO
SUGINO MOTOHIRO
KAWABATA KENJI
OKADA TAKASHI
WATANABE YOSHIAKI
MATSUMOTO SHUZO
SUGINO MOTOHIRO
KAWABATA KENJI
OKADA TAKASHI
WATANABE YOSHIAKI
Application Number:
JP24905194A
Publication Date:
October 12, 1999
Filing Date:
October 14, 1994
Export Citation:
Assignee:
HITACHI SEISAKUSHO KK
INTAANASHONARU BIJINESU MASHIINZU CORP
INTAANASHONARU BIJINESU MASHIINZU CORP
International Classes:
H05B41/285; H05B41/24; (IPC1-7): H05B41/24
Domestic Patent References:
| JP48168A | ||||
| JP3117373A | ||||
| JP5622098A | ||||
| JP58157091A | ||||
| JP61142697A | ||||
| JP61158695A | ||||
| JP6220297A | ||||
| JP6476699A | ||||
| JP1255196A | ||||
| JP1289095A | ||||
| JP2177298A |
Attorney, Agent or Firm:
Junnosuke Nakamura