Antenna device and electronic timepiece
AssigneeSeiko Epson Corporation
InventorsShunsuke KOYAMA, Jun MATSUZAKI
Life of this patent
Estimating the term…
Abstract
An antenna device housed in a metallic case body of an electronic timepiece includes: a first substrate which is provided on the side of a back over of the metallic case body and on which a ground pattern and an wireless communication unit as a power feeding circuit are formed; a second substrate which is arranged on the opposite side of the movement and on which a chip antenna is formed; and a conductive electrode which is arranged inside the movement and has one end connected to the wireless communication unit and the other end connected to the chip antenna.
Claims9
An antenna device housed in a metallic case of an electronic timepiece, the antenna device comprising:
- a first substrate which is arranged between a movement of the electronic timepiece arranged inside the metallic case and a back cover of the metallic case and on which a ground pattern and a power feeding circuit are formed;
- a second substrate which is attached to the movement and arranged at a position sandwiching the movement of the electronic timepiece with the first substrate and on which an antenna element is formed;
- and
- a conductive electrode which is arranged inside the movement and has one end connected to the power feeding circuit and the other end connected to the antenna element.
Dependencies are inferred from the claim text.