Method and apparatus with wireless power reception, wireless communication, and electrical stimulation

Patent metadata

Field	Value
Publication number	US-12301014-B2
Application number	US-202117398269-A
Country	US
Kind code	B2
Filing date	Aug 10, 2021
Priority date	Mar 31, 2021
Publication date	May 13, 2025
Grant date	May 13, 2025

Abstract

An electronic apparatus includes: an external coil connected via a pair of a first feed-through portion and a second feed-through portion to a communication circuit, the external coil comprising a first coil part and a second coil part disposed outside a housing; a wireless power transmission circuit; an electrode signal processing circuit included in the housing; an external capacitor disposed outside the housing and connected between the first coil part and the second coil part; a first electrode connected to the first coil part at one end of the external capacitor; and a second electrode connected to the second coil part at another end of the external capacitor.

First claim

What is claimed is:

1. An electronic apparatus comprising:
an external coil connected via a pair of a first feed-through portion and a second feed-through portion to a communication circuit, the external coil comprising a first coil part and a second coil part disposed outside a housing;
a wireless power transmission circuit connected to the external coil;
an electrode signal processing circuit included in the housing and connected to the external coil;
an external capacitor disposed outside the housing and connected between the first coil part and the second coil part;
a first electrode connected to the first coil part at one end of the external capacitor; and
a second electrode connected to the second coil part at another end of the external capacitor.

2. The apparatus of claim 1 , wherein
the first coil part is connected in series between the one end of the external capacitor and the first feed-through portion,
the second coil part is connected in series between the other end of the external capacitor and the second feed-through portion, and
the first coil part and second coil have equivalent impedance.

3. The apparatus of claim 1 , wherein the electrode signal processing circuit is connected to the first coil part via an inductor, is connected to the second coil part via another inductor, and is configured to perform either one or both of applying of an electrode signal to the first electrode and the second electrode and sensing of an electrode signal from the first electrode and the second electrode.

4. The apparatus of claim 3 , wherein the inductors connected to the electrode signal processing circuit are configured to pass an electrode signal of a first frequency band and to block an electrode signal of the other frequency bands higher than the first frequency band, between the external coil and the electrode signal processing circuit.

5. The apparatus of claim 1 , wherein the wireless power transmission circuit is connected to the first coil part via an inductor and a capacitor that are connected in series to each other, is connected to the second coil part via another inductor and another capacitor that are connected in series to each other, and is configured to wirelessly receive power from an external device via the external coil.

6. The apparatus of claim 5 , wherein a combination of the inductor and the capacitor that are connected in series to each other, and a combination of the other inductor and the other capacitor that are connected in series to each other receive power of a second frequency band between a first frequency band and a third frequency band and block an electrode signal of the first frequency band and a communication signal of the third frequency band, between the external coil and the wireless power transmission circuit.

7. The apparatus of claim 1 , wherein the communication circuit is connected to the first coil part via a capacitor, is connected to the second coil part via another capacitor, and is configured to communicate with an external device using any one or any combination of the external coil, the first electrode, and the second electrode.

8. The apparatus of claim 7 , wherein the capacitors connected to the communication circuit are configured to block an electrode signal of a first frequency band and power of a second frequency band higher than the first frequency band and to pass a communication signal of a third frequency band higher than the second frequency band, between the external coil and the communication circuit.

9. The apparatus of claim 1 , wherein the first electrode and the second electrode are disposed on different sides of the external capacitor disposed outside the housing.

10. The apparatus of claim 9 , wherein the first electrode and the second electrode are spaced apart from each other by 2 centimeters (cm) or greater.

11. The apparatus of claim 1 , wherein an area of an overlapping region between a plane region occupied by the external coil and a region occupied by the housing in a plane on which the external coil is disposed is less than or equal to a threshold area.

12. The apparatus of claim 1 , wherein the first electrode and the second electrode are disposed on a same side based on the housing and are configured to provide electrode signals to beta cells disposed between the first electrode and the second electrode.

13. An electronic apparatus, comprising:
an external element comprising an external coil and an external electrode disposed outside a housing, the external coil comprising a first coil part and a second coil part disposed outside the housing;
a communication circuit connected to the external element in series via a capacitor, configured to operate the external element as either one of a monopole antenna and a dipole antenna in a communication frequency band, and disposed inside the housing;
an additional circuit connected to the external element in series via an inductor and disposed inside the housing; and
an external capacitor disposed outside the housing and connected between the first coil part and the second coil part, the external capacitor comprising a first electrode connected to the first coil part at a first end of the external capacitor and a second electrode connected to the second coil part at a second end of the external capacitor,
wherein the external coil is connected via a pair of a first feed-through portion and a second feed-through portion to the communication circuit and the additional circuit.

14. The apparatus of claim 13 , further comprising:
a first internal capacitor connected between both ends of the external coil,
wherein the additional circuit comprises a wireless power transmission circuit connected to the external coil in series via an inductor.

15. The apparatus of claim 13 , wherein
the external electrode comprises a pair of a first electrode and a second electrode, and
the additional circuit comprises an electrode signal processing circuit connected to the first electrode in series via an inductor and connected to the second electrode in series via another inductor.

16. The apparatus of claim 15 , further comprising:
a second internal capacitor connected between the first electrode and the second electrode.

17. The apparatus of claim 15 , wherein
the first electrode is connected to the communication circuit in series via a capacitor, and
the second electrode is connected to the communication circuit in series via another capacitor.

18. The apparatus of claim 15 , wherein
the first electrode is connected to the communication circuit in series via a capacitor and connected to the electrode signal processing circuit via an inductor, and
the second electrode is connected to a ground via another capacitor and connected to the electrode signal processing circuit.

19. The apparatus of claim 13 , wherein
the communication circuit is connected to both the external coil and the external electrode, and is configured to select an external element that exhibits relatively high communication performance among communication performance using the external coil and communication performance using the external electrode, and to perform a communication.

20. The apparatus of claim 19 , wherein the external element further comprises an external antenna connected to the communication circuit, and
wherein the communication circuit is connected to the external coil, the external electrode and the external antenna, and is configured to select an external element that exhibits highest communicatio

Assignees

• Samsung Electronics Co Ltd

Inventors

• Lee Jaechun
• Bae Chisung
• Kim Sang Joon

Classifications

• H02J2105/46

  Medical devices, medical implants or life supporting devices · CPC title

• H04B5/79

  for data transfer in combination with power transfer · CPC title

• A61N1/3787 Primary

  from an external energy source · CPC title

• A61B5/6868

  Brain · CPC title

• H01Q9/40

  Element having extended radiating surface · CPC title