Title:
交流放電灯点灯装置
Document Type and Number:
Japanese Patent JP3606909
Kind Code:
B2
Abstract:
An alternating current discharge lamp lighting apparatus including discharge lamp, tube wall temperature measuring unit, internal temperature inferring unit and period setting unit. The tube wall temperature measuring unit measures temperature of the tube wall of the discharge lamp. The internal temperature inferring unit infers internal temperature of the discharge lamp before discharge is started based on the tube wall temperature measured by the tube wall temperature measuring unit. The period setting unit sets a direct current voltage applying period based on the inferred internal temperature by the internal temperature inferring unit.
More Like This:
Inventors:
Hanasaki Taisho
Kenji Nakamura
Kenji Nakamura
Application Number:
JP16036494A
Publication Date:
January 05, 2005
Filing Date:
July 12, 1994
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H05B41/288; H05B41/282; H05B41/38; (IPC1-7): H05B41/282
Domestic Patent References:
| JP5258880A | ||||
| JP2278697A |
Attorney, Agent or Firm:
Hiroaki Tazawa
Konobu Kato
Rock wall Fuyuki
Konobu Kato
Rock wall Fuyuki