| 摘要 |
PROBLEM TO BE SOLVED: To obtain an electric bulb-shaped fluorescent lamp wherein there is no need to mount a human body perception sensor afterwards, further an installation site is not necessary, and furthermore, wiring between the human body perception sensor and a lighting fixture becomes not necessary either because the human body perception sensor is made to be built-in in the lamp. SOLUTION: In the electric bulb-shaped fluorescent lamp having a light emitting tube constituted by combining plural U-shaped fluorescent lamps and having an inverter for the purpose of lighting this light emitting tube, this is that in which the human body perception sensor to detect the existence of a person is built-in in the light emitting tube in which the plural U-shaped fluorescent lamps are combined. |
