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US 10,768,578 B2Granted
Solar hand for a portable object such as a watch or a measuring instrument
AssigneeThe Swatch Group Research and Development Ltd
InventorPierpasquale Tortora
Life of this patent
Estimating the term…
Abstract
A display hand for a portable object including an indication by the display hand, inside which is housed a rechargeable electrical energy source. The display hand includes at least one solar cell, the electrical energy source being connected to the display hand to be recharged.
Claims6
A portable object inside which is housed a rechargeable electrical energy source, comprising:
- a first display hand and a second display hand,
- wherein the first display hand and the second display hand are formed of at least one solar cell, the electrical energy source being connected to the first and second display hands for recharging,
- wherein the first and second display hands are superposed and each includes a hole for passage of a drive arbor,
- the drive arbor of the second display hand being arranged concentrically inside the drive arbor of the first display hand, with an insulating layer between the two drive arbors, and
- each of the first and second display hands including a first pole and a second pole, the first pole of the first display hand being electrically connected to a first terminal of the energy source via the drive arbor of the first display hand, the second pole of the first display hand being connected to the first pole of the second display hand via a contact piece that ensures electrical continuity between the first and second display hands, and the second pole of the second display hand being connected to the second terminal of the energy source via the chive arbor of the second display hand.
2 more elements
Dependencies are inferred from the claim text.