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US 9,869,975 B2Granted
Electronic timepiece
AssigneeSeiko Epson Corporation
InventorsTeruhiko Fujisawa, Shuichi Tamura
Life of this patent
Estimating the term…
Abstract
An electronic timepiece has a time display unit including a dial made from a non-conductive material, and hands; and a movement that drives the hands. The movement includes a circuit board, a planar antenna attached to the circuit board, a stepper motor that drives the hands, and a battery. The planar antenna, the stepper motor, and the battery are disposed to positions overlapping the time display unit in plan view, and not overlapping each other in plan view.
Claims20
An electronic timepiece comprising:
- a time display unit including a dial of a non-conductive material, and a hand;
- and
- a movement that drives the hand,
- wherein the movement includes:
- a circuit board,
- a planar antenna attached to the circuit board,
- a motor,
- a wheel train that transfers drive power from the motor to the hand;
- and
- a battery,
- wherein the planar antenna, the motor, and the battery are disposed overlapping the time display unit in plan view and not overlapping each other in plan view, and
- the battery is disposed overlapping at least a part of the wheel train in plan view.
9 more elements
An electronic timepiece comprising:
- a time display unit including a dial of a non-conductive material and a calendar wheel;
- and
- a movement that drives the calendar wheel,
- wherein the movement includes:
- a circuit board,
- a planar antenna attached to the circuit board,
- a motor,
- a wheel train that transfers drive power from the motor to the calendar wheel, and
- a battery,
- wherein the planar antenna, the motor, and the battery are disposed overlapping the time display unit in plan view, and not overlapping each other in plan view, and
- wherein the battery is disposed overlapping at least apart of the wheel train in plan view.
8 more elements
Dependencies are inferred from the claim text.