Timepiece with internal antenna
AssigneeSeiko Epson Corporation
InventorTeruhiko Fujisawa
Life of this patent
Estimating the term…
Abstract
A timepiece includes a case that is made at least in part from a conductive material; a dial that is made from a nonconductive material; a solar panel that has an opening and is disposed at a side opposite a display side of the dial, and that receives light incident from the display side of the dial; a patch antenna that is disposed at a side opposite of a light receiving side of the solar panel, and at a position overlapping the opening in plan view; and a date wheel made from nonconductive material that is disposed between the solar panel and the patch antenna in lateral view, and is disposed at a position overlapping, at least in part, the patch antenna in plan view. The dial has a date window, formed at a position overlapping the opening in plan view, for exposing at least part of the date wheel.
Claims11
A timepiece, comprising:
- a case that is made at least in part from a conductive material;
- a dial that is made from a nonconductive material;
- a solar panel that has an opening and is disposed at a side opposite of a display side of the dial, the solar panel receiving light incident from the display side of the dial;
- a patch antenna that is disposed (i) at a side opposite of a light receiving side of the solar panel, and (ii) at a position overlapping the opening in plan view;
- and
- a date wheel made from a nonconductive material that is disposed between the solar panel and the patch antenna in lateral view, and is disposed at a position overlapping, at least in part, the patch antenna in plan view;
- wherein the dial has a date window for showing at least part of the date wheel, and
- wherein the date window is formed at a position overlapping the opening in plan view.
Dependencies are inferred from the claim text.