Communication device to perform wireless communication and wireless power transfer, and electrode device to transmit and receive electrical signal from target
A communication device includes: a coil disposed around a core area of the communication device; a processor disposed in the core area and configured to establish communication with an external device through the coil; and a discrete element disposed on the coil and connected to the processor through a via.
1. A communication device, comprising:
a coil disposed around a core area of the communication device;
a processor disposed only in the core area and configured to establish communication with an external device through the coil; and
a discrete element disposed on the coil and connected to the processor through a via, wherein the discrete element comprises any one or any combination of any two or more of a capacitor, an inductor, and a resistor.
2. The communication device of claim 1 , wherein the processor is disposed in a layer distinguished from the coil.
3. The communication device of claim 1 , wherein the discrete element comprises a passive electronic component configured to separate voltages, by electrically decoupling circuits of circuits in a chip including the processor.
4. The communication device of claim 1 , wherein the discrete element is connected to a chip comprising the processor through the via, and is arranged in an outer edge ring area of the coil in a layer distinguished from the coil.
5. The communication device of claim 1 , further comprising:
a first transceiver circuit configured to transmit and receive, through the coil, a signal of a first bandwidth; and
a second transceiver circuit configured to transmit and receive, through the coil, a signal of a second bandwidth that is different from the first bandwidth,
wherein the first transceiver circuit and the second transceiver circuit are included in a chip comprising the processor.
6. The communication device of claim 5 , wherein
the first transceiver circuit is configured to operate at a voltage less than or equal to a first threshold voltage, and
the second transceiver circuit is configured to operate at a voltage greater than or equal to a second threshold voltage that is greater than the first threshold voltage.
7. The communication device of claim 1 , further comprising:
an electrode router circuit connected to electrodes of an electrode device,
wherein the electrode router circuit is included in a chip comprising the processor.
8. The communication device of claim 7 , wherein
the electrode router circuit is configured to connect a first electrode among the electrodes to a sensing circuit, and connect a second electrode among the electrodes to a driving circuit,
the sensing circuit is configured to detect, through the first electrode, an electrical signal corresponding to a point to which the first electrode is attached, and
the driving circuit is configured to apply, through the second electrode, an electrical signal to a point to which the second electrode is attached.
9. The communication device of claim 8 , wherein
the sensing circuit is configured to operate at a voltage less than or equal to a first threshold voltage, and
the driving circuit is configured to operate at a voltage greater than or equal to a second threshold voltage that is greater than the first threshold voltage.
10. The communication device of claim 1 , wherein the coil comprises
a first partial coil configured to resonate in a first bandwidth, and
a second partial coil configured to resonate in a second bandwidth that is different from the first bandwidth, and
the first partial coil and the second partial coil share a loop.
11. The communication device of claim 10 , wherein
the first partial coil comprises a loop configured to generate a magnetic field in a first direction, and
the second partial coil comprises a loop configured to generate an electric field in the first direction.
12. The communication device of claim 1 , further comprising:
an embedded element disposed in a layer distinguished from a layer comprising the coil and a layer including the processor, and connected to the processor through the via, wherein the embedded element comprises either one or both of a capacitor or an inductor; and
a motion sensor configured to sense a motion of the communication device.
13. The communication device of claim 1 , wherein a chip comprising the processor is spaced from the coil by a distance greater than or equal to a threshold distance.
14. The communication device of claim 1 , wherein the processor is connected to electrodes of an electrode device arranged to cover a target area associated with an object, and is configured to receive an electrical signal from or provide an electrical signal to some of the electrodes.
15. The communication device of claim 14 , wherein the processor is configured to allocate a sensing channel configured to receive the electrical signal from the electrodes using one or more electrodes among the electrodes, and allocate a stimulating channel configured to provide an electrical signal to the target area using one or more remaining electrodes among the electrodes, based on the received electrical signal.
16. A communication device, comprising:
a coil disposed around a core area of the communication device;
a processor disposed in the core area and configured to establish communication with an external device through the coil;
a discrete element disposed on the coil and connected to the processor through a via, wherein the discrete element comprises any one or any combination of any two or more of a capacitor, an inductor, and a resistor, which is connected to a chip comprising the processor through the via; and
an electrode router circuit connected to electrodes of an electrode device, wherein
the electrode router circuit is configured to connect a first electrode among the electrodes to a sensing circuit, and connect a second electrode among the electrodes to a driving circuit,
the sensing circuit is configured to detect, through the first electrode, an electrical signal corresponding to a point to which the first electrode is attached, and
the driving circuit is configured to apply, through the second electrode, an electrical signal to a point to which the second electrode is attached.
17. The communication device of claim 16 , wherein the electrode router circuit is included in a chip comprising the processor.
18. A communication device, comprising:
a coil disposed around a core area of the communication device;
a processor disposed in the core area and configured to establish communication with an external device through the coil,
wherein the processor is connected to electrodes arranged to cover a target area associated with an object, and is configured to receive an electrical signal from or provide an electrical signal to some of the electrodes, and
wherein the processor is configured to allocate a sensing channel configured to receive the electrical signal from the electrodes using one or more electrodes among the electrodes, and allocate a stimulating channel configured to provide an electrical signal to the target area using one or more remaining electrodes among the electrodes, based on the received electrical signal; and
a discrete element disposed on the coil and connected to the processor through a via, wherein the discrete element comprises any one or any combination of any two or more of a capacitor, an inductor, and a resistor, which is connected to a chip comprising the processor through the via.