Title:
GUIDE LIGHT DEVICE
Document Type and Number:
Japanese Patent JP3903290
Kind Code:
B2
Abstract:
PURPOSE: To clarify the display of lamp replacing period of a guide light device using a cold cathode fluorescent lamp, and extend the lamp replacing period.
CONSTITUTION: In the life end of a lamp 12, on/off signal is inputted from a control circuit 18a to an inverter circuit 17a to flash the lamp 12. The output of the inverter circuit is changed to increase the lamp current, so that the lamp replacing period is extended.
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Inventors:
Hiroyoshi Yamazaki
Chizuru Oki
Toshimi Nagai
My city Hiroyasu
Chizuru Oki
Toshimi Nagai
My city Hiroyasu
Application Number:
JP32728194A
Publication Date:
April 11, 2007
Filing Date:
December 28, 1994
Export Citation:
Assignee:
Mitsubishi Electric Lighting Co., Ltd.
Mitsubishi Electric Corporation
Mitsubishi Electric Corporation
International Classes:
H05B41/282; (IPC1-7): H05B41/29
Domestic Patent References:
| JP6290351A | ||||
| JP6333679A | ||||
| JP2063191U | ||||
| JP6168790A | ||||
| JP6054299U | ||||
| JP62113393A | ||||
| JP4036800U | ||||
| JP57134893A | ||||
| JP6275390A | ||||
| JP62163293A | ||||
| JP5205884A |
Attorney, Agent or Firm:
Souji Sasaki
Hisao Kobayashi
Saburo Kimura
Noboru Omura
Hisao Kobayashi
Saburo Kimura
Noboru Omura
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