Assist device

• US 20080211302A1
• Filed: 02/06/2008
• Published: 09/04/2008
• Est. Priority Date: 02/09/2007
• Status: Active Grant

• Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Original Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Inventors: Izumi, Konami, Yamaguchi, Mayumi, Hirota, Takashi
• Granted Patent: US 8,585,775 B2
• Time in Patent Office: Days
• US Class Current: 307/1
• CPC Class Codes: A61F 2/54 Artificial arms or hands or parts thereof
• CPC Class Codes: A61F 2/72 Bioelectric control, e.g. myoelectric
• CPC Class Codes: A61F 2002/704 computer-controlled, e.g. robotic control
• CPC Class Codes: A61F 2002/705 Electromagnetic data transfer for implantable prostheses A61F2250/0002
• CPC Class Codes: A61F 2002/707 Remote control
• CPC Class Codes: A61F 2002/7625 for measuring angular position
• CPC Class Codes: A61F 2002/7635 for measuring force, pressure or mechanical tension
• CPC Class Codes: A61F 2002/764 for measuring acceleration
• CPC Class Codes: A61F 2002/7665 for measuring temperatures
• CPC Class Codes: A61F 2002/768 for measuring battery status
• CPC Class Codes: B25J 13/02 Hand grip control means handles or pedals for crane control B66C13/56; for measuring the force applied to control members G01L5/22; hand-held casings for switching devices, e.g. joy-sticks H01H9/0214
• CPC Class Codes: H01L 27/1214 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
• CPC Class Codes: H01L 27/1255 integrated with passive devices, e.g. auxiliary capacitors
• CPC Class Codes: H01L 27/1266 the substrate on which the devices are formed not being the final device substrate, e.g. using a temporary substrate
• CPC Class Codes: H01L 27/13 combined with thin-film or thick-film passive components

Abstract

The present invention provides a higher-performance assist device which is safer by using a wireless charging technique. The assist device includes a detecting portion and an assist device driving portion. The detecting portion includes a sensor, a first transmitting/receiving circuit, a first data processing circuit, a first charging circuit, and a first battery. The assist device driving portion includes a driving portion, a second data processing circuit, a second transmitting/receiving circuit, a second charging circuit, and a second battery. Electromagnetic waves are transmitted from the second transmitting/receiving circuit provided in the assist device driving portion, and the first transmitting/receiving circuit provided in the detecting portion receives the electromagnetic waves. Induced electromotive force generated at this time is input to the first charging circuit through the first data processing circuit provided in the detecting portion, and the first battery provided in the detecting portion is charged.

Claims

1. An assist device comprising a detecting portion and an assist device driving portion,

wherein the detecting portion comprises:

a first central arithmetic processing circuit;

a sensor connected to the first central arithmetic processing circuit;

a first transmitting and receiving circuit connected to the first central arithmetic processing circuit;

a first charging circuit connected to the first transmitting and receiving circuit;

a first battery connected to the first charging circuit; and

a first antenna connected to the first transmitting and receiving circuit,

wherein the assist device driving portion comprises;

a second central arithmetic processing circuit;

a driving portion connected to the second central arithmetic processing circuit;

a second transmitting and receiving circuit connected to the second central arithmetic processing circuit;

a second battery connected to the second central arithmetic processing circuit;

a second charging circuit connected to the second battery; and

a second antenna connected to the second transmitting and receiving circuit, and

wherein an electromagnetic wave is transmitted between the first antenna and the second antenna.

2. An assist device according to claim 1,

wherein the first data processing circuit includes an amplifier circuit, an A/D converter circuit, and a first central arithmetic processing circuit;

and

wherein the second data processing circuit includes a drive control circuit, a sensor, and a second central arithmetic processing circuit.

3. An assist device according to claim 1,

wherein the sensor is a myoelectric potential electrode and a reference electrode;

and

wherein the assist device driving portion is an artificial limb driving portion.

4. An assist device according to claim 1,

wherein the sensor is one of a sensor detecting a neural potential and a sensor detecting displacement;

and

wherein the assist device driving portion is an artificial limb driving portion.

5. An assist device according to claim 4, wherein the sensor detecting displacement is one of a pressure sensor, an acceleration sensor, an angular velocity sensor, and a bending resistor.

6. An assist device comprising a detecting portion and an assist device driving portion,

wherein the detecting portion comprises:

a first central arithmetic processing circuit;

an A/D converter circuit connected to the first central arithmetic processing circuit;

a first sensor connected to the A/D converter circuit;

a first transmitting and receiving circuit connected to the first central arithmetic processing circuit;

a first charging circuit connected to the first transmitting and receiving circuit;

a first battery connected to the first charging circuit; and

a first antenna connected to the first transmitting and receiving circuit,

wherein the assist device driving portion comprises;

a second central arithmetic processing circuit;

a drive control circuit connected to the second central arithmetic processing circuit;

a second battery connected to the second central arithmetic processing circuit;

a driving portion connected to the second battery and the drive control circuit;

a second sensor connected to the second central arithmetic processing circuit;

a second charging circuit connected to the second battery;

a second transmitting and receiving circuit connected to the second central arithmetic processing circuit and the second battery and the second charging circuit; and

a second antenna connected to the second transmitting and receiving circuit, and

wherein an electromagnetic wave is transmitted between the first antenna and the second antenna.

7. An assist device according to claim 6,

wherein the first sensor is connected to the amplifier circuit;

wherein the amplifier circuit is connected to the A/D converter circuit;

wherein the A/D converter circuit is connected to the first central arithmetic processing circuit;

wherein the first transmitting and receiving circuit is connected to the first central arithmetic processing circuit and the first charging circuit;

wherein the first charging circuit is connected to the first battery;

wherein the first battery supplies power to an inside of the detecting portion;

wherein the second central arithmetic processing circuit is connected to the drive control circuit and the second sensor;

wherein the drive control circuit is connected to the driving portion;

wherein the second transmitting and receiving circuit is connected to the second central arithmetic processing circuit and the second charging circuit;

wherein the second charging circuit is connected to the second battery; and

wherein the second battery supplies power to an inside of the assist device driving portion.

8. An assist device according to claim 6,

wherein the first sensor is a myoelectric potential electrode and a reference electrode;

and

wherein the assist device driving portion is an artificial limb driving portion.

9. An assist device according to claim 6,

wherein the first sensor is one of a sensor detecting a neural potential and a sensor detecting displacement;

and

wherein the assist device driving portion is an artificial limb driving portion.

10. An assist device according to claim 9, wherein the sensor detecting displacement is one of a pressure sensor, an acceleration sensor, an angular velocity sensor, and a bending resistor.

11. An assist device according to claim 6, wherein the second battery is charged from an external power supply through the second charging circuit.

12. An assist device according to claim 6, wherein the first battery is charged from electromagnetic waves received by the first transmitting and receiving circuit through the first charging circuit.

13. An assist device comprising:

a detecting portion comprising a first transmitting and receiving circuit; and

an assist device driving portion comprising a second transmitting and receiving circuit.

14. An assist device comprising a detecting portion and an assist device driving portion,

wherein the detecting portion comprises:

a first transmitting and receiving circuit; and

a first antenna connected to the first transmitting and receiving circuit, and

wherein the assist device driving portion comprises;

a second transmitting and receiving circuit; and

a second antenna connected to the second transmitting and receiving circuit,

wherein an electromagnetic wave is transmitted between the first antenna and the second antenna.