Patent Number: 8,791,651

Title: Illuminating device

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: Otake; Hirokazu (Yokosuka, JP), Hiraoka; Toshiyuki (Numazu, JP), Shimizu; Keiichi (Yokohama, JP), Shibano; Nobuo (Miura, JP)

Assignee: Toshiba Lighting & Technology Corporation

International Classification: H05B 37/02 (20060101)

Expiration Date: 7/29/12018