Electronic device and electronic timepiece
Disclosed is an electronic device including an antenna and a device case. The antenna has a top plate and a side wall. The top plate is annular in a plan view from a first direction and has at least an outer peripheral edge and an inner peripheral edge. The side wall is connected to at least a part of the top plate and extending along the first direction. The device case includes a dielectric and accommodating at least the side wall of the antenna.
1 . An electronic device comprising:
an antenna having a top plate and a side wall, the top plate being annular in a plan view from a first direction and having at least an outer peripheral edge and an inner peripheral edge, the side wall being connected to at least a part of the outer peripheral edge of the top plate and extending along the first direction;
a device case including a dielectric and accommodating at least the side wall of the antenna;
a circuit board; and
a contact member that is disposed between the circuit board and the top plate of the antenna in a thickness direction to electrically connect the circuit board to the top plate of the antenna.
2 . The electronic device according to claim 1 ,
wherein at least a part of a lower surface of the top plate is in contact with the device case.
3 . The electronic device according to claim 1 ,
wherein at least a part of a side wall is in contact with the device case.
4 . The electronic device according to claim 1 ,
wherein the top plate has at least one latch on the inner peripheral edge that is locked to the device case.
5 . The electronic device according to claim 1 ,
wherein the device case includes a biomass material.
6 . An electronic timepiece comprising:
an antenna having a top plate and a side wall, the top plate being annular in a plan view from a first direction and having at least an outer peripheral edge and an inner peripheral edge, the side wall being connected to at least a part of the outer peripheral edge of the top plate and extending along the first direction;
a device case including a dielectric and accommodating at least the side wall of the antenna;
a circuit board; and
a contact member that is disposed between the circuit board and the top plate of the antenna in a thickness direction to electrically connect the circuit board to the top plate of the antenna.
7 . The electronic timepiece according to claim 6 ,
wherein at least a part of a lower surface of the top plate is in contact with the device case.
8 . The electronic timepiece according to claim 6 ,
wherein at least a part of a side wall is in contact with the device case.
9 . The electronic timepiece according to claim 6 ,
wherein the top plate has at least one latch on the inner peripheral edge that is locked to the device case.
10 . The electronic timepiece according to claim 6 ,
wherein the device case includes a biomass material.
11 . The electronic device according to claim 4 , wherein the at least one latch extends along the first direction, and is locked to the device case while the at least one latch is in contact with the device case.
12 . The electronic device according to claim 11 , wherein the at least one latch is locked to the device case while a main surface of one end of the at least one latch extending along the first direction is in contact with the device case.