A portable lighting device includes a housing, a battery, a lighting element coupled to the battery, and a solar panel. The housing includes a first wall coupled to a second wall and defines an internal volume. The battery is positioned within the internal volume. The solar panel is disposed along t
A portable lighting device includes a housing, a battery, a lighting element coupled to the battery, and a solar panel. The housing includes a first wall coupled to a second wall and defines an internal volume. The battery is positioned within the internal volume. The solar panel is disposed along the first wall and coupled to the battery. The second wall of the housing is angled relative to the first wall of the housing such that the solar panel is positioned in a target orientation when the second wall is disposed along a support surface.
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1. A portable lighting device, comprising: a housing including a first wall coupled to a second wall and defining an internal volume;a battery positioned within the internal volume and having a center of gravity; a handle;a dynamo coupled to the battery and the handle, positioned within the internal
1. A portable lighting device, comprising: a housing including a first wall coupled to a second wall and defining an internal volume;a battery positioned within the internal volume and having a center of gravity; a handle;a dynamo coupled to the battery and the handle, positioned within the internal volume, and having a center of gravity, wherein the dynamo is configured to generate electrical power to charge the battery in response to rotation of the handle, wherein the center of gravity of the battery and the center of gravity of the dynamo are positioned such that a combined center of gravity of the portable lighting device is disposed directly above the second wall when the second wall is positioned horizontally;a lighting element coupled to the battery; anda solar panel disposed along the first wall and coupled to the battery,wherein the second wall of the housing is angled relative to the first wall of the housing such that the solar panel is positioned in a target orientation when the second wall is disposed along a support surface. 2. The portable lighting device of claim 1, wherein the second wall is positioned at an angle of between 45 and 55 degrees relative to the first wall. 3. The portable lighting device of claim 1, wherein the housing is elongate and defines a longitudinal direction, and wherein the first wall and the second wall extend along the longitudinal direction. 4. The portable lighting device of claim 3, wherein the housing defines a first end separated from a second end by a body portion. 5. The portable lighting device of claim 4, wherein the lighting element is coupled to at least one of the first end and the second end of the housing, and wherein the lighting element is positioned to emit light along the longitudinal direction. 6. The portable lighting device of claim 4, wherein the lighting element is coupled to the body portion and positioned to emit light along a direction that is orthogonal to the first wall. 7. The portable lighting device of claim 4, further comprising a hook coupled to at least one of the first end and the second end of the housing, wherein the hook is shaped to contour a side profile of the housing. 8. The portable lighting device of claim 1, wherein the second wall has a specified length that stabilizes the housing when the second wall is positioned horizontally. 9. A portable lighting device, comprising: a housing including a first surface and a second surface, wherein the housing defines an internal volume configured to contain a battery;a lighting element coupled to the housing;a battery positioned within the internal volume and having a center of gravity; a handle;a dynamo coupled to the battery and the handle, positioned within the internal volume, and having a center of gravity, wherein the dynamo is configured to generate electrical power to charge the battery in response to rotation of the handle, wherein the center of gravity of the battery and the center of gravity of the dynamo are positioned such that a combined center of gravity of the portable lighting device is disposed directly above the second wall when the second wall is positioned horizontally; anda solar panel disposed along the first surface,wherein at least a portion of the second surface of the housing is offset relative to the first surface of the housing such that the solar panel is positioned in a target orientation when the housing is supported along the second surface. 10. The portable lighting device of claim 9, wherein the second surface has a specified length that stabilizes the housing when the second surface is positioned horizontally. 11. A portable lighting device, comprising: a housing including a first side coupled to a second side, wherein the first side is configured to support the housing in a first orientation and the second side is configured to support the housing in a second orientation;a battery positioned within an internal volume of the housing and having a center of gravity; a handle;a dynamo coupled to the battery and the handle, positioned within the internal volume, and having a center of gravity, wherein the dynamo is configured to generate electrical power to charge the battery in response to rotation of the handle, wherein the center of gravity of the battery and the center of gravity of the dynamo are positioned such that a combined center of gravity of the portable lighting device is disposed directly above the second wall when the second wall is positioned horizontally;a lighting element coupled to the battery; anda solar panel coupled to the first side of the housing, wherein the second side is angled relative to the first side such that the solar panel generates a target electrical power when the housing is positioned in the second orientation. 12. The portable lighting device of claim 11, wherein the housing includes a third side coupled to the second side, wherein the third side is configured to support the housing in a third orientation. 13. The portable lighting device of claim 12, wherein the third side is parallel to the first side. 14. The portable lighting device of claim 12, wherein the center of gravity of the battery is positioned such that the combined center of gravity is disposed directly above the third side when the third side is positioned horizontally. 15. The portable lighting device of claim 14, further wherein the center of gravity of the dynamo is positioned such that the combined center of gravity is disposed directly above the third side when the third side is positioned horizontally.
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이 특허에 인용된 특허 (20)
Workman, Robert E.; Workman, Erik R.; Krantz, Norm; Atkin, Joseph R.; Ford, Walker, Energy storage and power supply device.
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