WIRELESS POWER SUPPLY SYSTEM, CAPSULATED ENDOSCOPE, AND CAPSULATED ENDOSOPIC SYSTEM

• US 20080177143A1
• Filed: 01/23/2008
• Published: 07/24/2008
• Est. Priority Date: 01/24/2007
• Status: Active Grant

• Current Assignee: Olympus Corporation
• Original Assignee: Olympus Corporation
• Inventors: YOSHIDA, Naoki, SAKAI, Youhei
• Granted Patent: US 8,591,403 B2
• Time in Patent Office: Days
• US Class Current: 600/130
• CPC Class Codes: A61B 1/00016 using wireless means
• CPC Class Codes: A61B 1/00029 externally powered, e.g. wireless
• CPC Class Codes: A61B 1/041 Capsule endoscopes for imaging
• CPC Class Codes: A61B 1/0684 using light emitting diodes [LED]
• CPC Class Codes: A61B 2560/0219 of externally powered implanted units
• CPC Class Codes: A61B 5/073 Intestinal transmitters
• CPC Class Codes: H02J 2310/23 The load being a medical device, a medical implant, or a life supporting device
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/402 the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas

Abstract

In a wireless power supply system including a power feeding system equipped with a transmission antenna for wirelessly transmitting an electric power from a power sources and a receiver antenna formed by winding a receiver coil around an outer periphery of a substantially bar-like core member for receiving the transmitted electric power, the length of the core member of the receiver antenna is more than 10 times longer than the diameter of the core member.

Claims

1. A wireless power supply system comprising:

a power feeding system equipped with a transmission antenna for wirelessly transmitting an electric power from a power source; and

a receiver antenna formed by winding a receiver coil around an outer periphery of a substantially bar-like core member for receiving the transmitted electric power, wherein a length of the core member of the receiver antenna is more than 10 times longer than a diameter of the core member.

2. The wireless power supply system according to claim 1, wherein the receiver coil of the receiver antenna is tightly wound around a center of the core member.

3. The wireless power supply system according to claim 1, wherein a plurality of the receiver antennas are disposed in which the receiver coils are electrically connected in series or in parallel.

4. The wireless power supply system according to claim 2, wherein a plurality of the receiver antennas are disposed in which the receiver coils are electrically connected in series or in parallel.

5. The wireless power supply system according to claim 3, wherein the plurality of the receiver antennas are arranged such that longitudinal axes of the core members are in parallel with one another, and disposed at respective peaks of a regular polygon.

6. The wireless power supply system according to claim 4, wherein the plurality of the receiver antennas are arranged such that longitudinal axes of the core members are in parallel with one another, and disposed at respective peaks of a regular polygon.

7. A capsulated endoscope comprising a receiver antenna formed by winding a receiver coil around an outer periphery of a substantially bar-like core member for wirelessly receiving an electric power, wherein a length of the core member of the receiver antenna is more than 10 times longer than a diameter of the core member.

8. The capsulated endoscope according to claim 7, wherein the receiver coil of the receiver antenna is tightly wound around a center of the core member.

9. The capsulated endoscope according to claim 7, wherein a plurality of the receiver antennas are disposed in which the receiver coils are electrically connected in series or in parallel.

10. The capsulated endoscope according to claim 8, wherein a plurality of the receiver antennas are disposed in which the receiver coils are electrically connected in series or in parallel.

11. The capsulated endoscope according to claim 9, wherein the plurality of the receiver antennas have longitudinal axes of the core members arranged in parallel, and are disposed at respective peaks of a regular polygon.

12. The capsulated endoscope according to claim 10, wherein the plurality of the receiver antennas have longitudinal axes of the core members arranged in parallel, and are disposed at respective peaks of a regular polygon.

13. A capsulated endoscopic system comprising a power feeding system equipped with a transmission antenna for wirelessly transmitting an electric power from a power source;

and

a capsulated endoscope which contains a receiver antenna formed by winding a receiver coil around an outer periphery of a substantially bar-like core member for receiving the transmitted electric power, wherein a length of the core member of the receiver antenna is more than 10 times longer than a diameter of the core member.

14. The capsulated endoscopic system according to claim 13, wherein the receiver coil of the receiver antenna is tightly wound around a center of the core member.

15. The capsulated endoscopic system according to claim 13, wherein a plurality of the receiver antennas have the receiver coils electrically connected in series or in parallel.

16. The capsulated endoscopic system according to claim 14, wherein a plurality of the receiver antennas have the receiver coils electrically connected in series or in parallel.

17. The capsulated endoscopic system according to claim 15, wherein the plurality of the receiver antennas have longitudinal axes of the core members arranged in parallel, and are disposed at respective peaks of a regular polygon.

18. The capsulated endoscopic system according to claim 16, wherein the plurality of the receiver antennas have longitudinal axes of the core members arranged in parallel, and are disposed at respective peaks of a regular polygon.