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US 12,362,699 B2Granted
Energy harvesting system and indicator using same
AssigneeHuject
InventorsMoses Sung, Won Keun Yoo
Life of this patent
Estimating the term…
Abstract
An energy harvesting system and an indicator using same are disclosed. The disclosed indicator using an energy harvester comprises: an energy harvesting unit including at least one solar cell; a panel unit, which is arranged to face the energy harvesting unit, transmits sunlight and displays guide information; and a light-emitting unit for emitting light at the side surface of the panel unit.
Claims5
An indicator using an energy harvester, comprising:
- a frame which transmits sunlight and on which guide information is displayed;
- an energy harvesting unit including at least one solar cell and disposed inside the frame;
- and a light-emitting unit inside the frame to emit light,
- wherein the energy harvesting unit includes a plurality of slats on which the solar cell is disposed and whose rotation angle is adjusted, and
- wherein the energy harvesting unit is disposed between the guide information and the light-emitting unit and rotates so that the light of the light-emitting unit, which is turned on when the amount of power generated by the solar cell is less than or equal to a first threshold value, travels in a direction in which the guide information is displayed.
2 more elements
Dependencies are inferred from the claim text.