LIGHTING DEVICE
PROBLEM TO BE SOLVED: To attain comfortable awakening of a sleeper at low cost in a lighting device assisting the sleeper to awake by irradiating the sleeper with light. SOLUTION: The lighting device 1 includes a light source section 2, an input section 3, a recording section 4, a control section 5,...
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Format: | Patent |
Sprache: | eng |
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