A portable electronic device can include a housing that at least partially defines an internal volume and an external surface of the device. The housing can include an electromagnetically transparent portion that partially defines the exterior surface. The portable electronic device can include an antenna disposed in the internal volume and a sensing circuit disposed in the internal volume to receive a signal transmitted from the antenna.

An antenna receiving apparatus includes, a first antenna; a second antenna that is synchronized with a frequency band different from the first antenna; a substrate that includes a receiving circuit connected to each of the first antenna and the second antenna; and a back lid that includes a conductor, wherein the conductor is in at least a portion of the back lid. The substrate includes a grounding surface of the first antenna. The substrate and the second antenna are positioned between the first antenna and the back lid. The second antenna is positioned on a side of the substrate opposite of the first antenna, and the second antenna is electrically connected to the conductor of the back lid and grounded.

An accessory for an electronic device includes: a watch comprising a housing and a band connected to the housing; at least one phased array antenna on the watch, the at least one phased array antenna comprising an array of antenna elements that are configured to form a beam in a determined direction, the at least one phased array antenna being configured to communicate wirelessly with an external device; a local communication system in the watch, the local communication system configured to communicate locally with the electronic device; and a battery in the watch, the battery operatively connected to each of the at least one phased array antenna and the local communication system.

An accessory for an electronic device includes: a watch comprising a housing and a band connected to the housing; at least one phased array antenna on the watch, the at least one phased array antenna comprising an array of antenna elements that are configured to form a beam in a determined direction, the at least one phased array antenna being configured to communicate wirelessly with an external device; a local communication system in the watch, the local communication system configured to communicate locally with the electronic device; and a battery in the watch, the battery operatively connected to each of the at least one phased array antenna and the local communication system.

An antenna of a smart watch is provided according to the present application, which includes a main antenna provided on a non-metallic casing of the smart watch and a coupling antenna located outside the main antenna and coupled with the main antenna. At least pan of the main antenna is opposite to the coupling antenna, and the coupling antenna serves as a metal jug located at one side of the smart watch and is fixedly connected to the non-metallic casing. A smart watch is further provided according to the present application, which includes any of the above antennas.

An antenna of a smart watch is provided according to the present application, which includes a main antenna provided on a non-metallic casing of the smart watch and a coupling antenna located outside the main antenna and coupled with the main antenna. At least pan of the main antenna is opposite to the coupling antenna, and the coupling antenna serves as a metal jug located at one side of the smart watch and is fixedly connected to the non-metallic casing. A smart watch is further provided according to the present application, which includes any of the above antennas.

Provided is an electronic timepiece enabling reducing the size of an electronic timepiece. The electronic timepiece has an antenna having a first conductor element connected to a feed, a second conductor element superimposed with the first conductor element in plan view, and a dielectric disposed between the first conductor element and second conductor element, and the antenna holds a specific timepiece part. The specific timepiece part is preferably a dial, solar panel, or circuit board. The antenna also preferably has a shorting element that shorts the first conductor element and second conductor element.

Provided is an electronic timepiece enabling reducing the size of an electronic timepiece. The electronic timepiece has an antenna having a first conductor element connected to a feed, a second conductor element superimposed with the first conductor element in plan view, and a dielectric disposed between the first conductor element and second conductor element, and the antenna holds a specific timepiece part. The specific timepiece part is preferably a dial, solar panel, or circuit board. The antenna also preferably has a shorting element that shorts the first conductor element and second conductor element.

A watch includes an hour hand having a first conductive portion and rotating about an hour hand shaft, a seconds hand having a second conductive portion and rotating at a rotational speed faster than that of the hour hand about a seconds hand shaft, which is coaxial with the hour hand shaft, and a planar inverted-F antenna disposed, in plan view viewed from a direction parallel to the hour hand shaft, at a position overlapping a rotation range of the first conductive portion and a rotation range of the second conductive portion, and receiving a radio wave, and when the planar inverted-F antenna receives a radio wave, a controller, after rotating the seconds hand and then stopping the seconds hand at a reception indication position, rotates the hour hand such that the first conductive portion and the second conductive portion overlap each other in the plan view.

A watch includes an hour hand having a first conductive portion and rotating about an hour hand shaft, a seconds hand having a second conductive portion and rotating at a rotational speed faster than that of the hour hand about a seconds hand shaft, which is coaxial with the hour hand shaft, and a planar inverted-F antenna disposed, in plan view viewed from a direction parallel to the hour hand shaft, at a position overlapping a rotation range of the first conductive portion and a rotation range of the second conductive portion, and receiving a radio wave, and when the planar inverted-F antenna receives a radio wave, a controller, after rotating the seconds hand and then stopping the seconds hand at a reception indication position, rotates the hour hand such that the first conductive portion and the second conductive portion overlap each other in the plan view.