Title:
照明装置
Document Type and Number:
Japanese Patent JP4577525
Kind Code:
B2
Abstract:
To a constant-current power supply whose output current can be variably set, light emitting modules can be connected in parallel. A control unit recognizes connection information outputted from an information output unit provided in each of the light emitting modules and varies the output current of the constant-current power supply. Drive can be controlled in response to a state of the connected light emitting modules such as the connecting number of light emitting modules.
Inventors:
Hirokazu Otake
Toshiyuki Hiraoka
Keiichi Shimizu
Nobuo Shibano
Toshiyuki Hiraoka
Keiichi Shimizu
Nobuo Shibano
Application Number:
JP2007145326A
Publication Date:
November 10, 2010
Filing Date:
May 31, 2007
Export Citation:
Assignee:
Toshiba Lighting & Technology Corporation
International Classes:
H01L33/00; H05B37/02; H05B44/00
Domestic Patent References:
| JP2006228529A | ||||
| JP2001215913A |
Attorney, Agent or Firm:
樺澤 襄
Satoshi Kabazawa
Tetsuya Yamada
Satoshi Kabazawa
Tetsuya Yamada