Textile-based magnetic field interface clothes and mobile terminal in wearable computing system

• US 8,509,470 B2
• Filed: 09/03/2010
• Issued: 08/13/2013
• Est. Priority Date: 09/07/2009
• Status: Active Grant

• Current Assignee: Electronics and Telecommunications Research Institute
• Original Assignee: Electronics and Telecommunications Research Institute
• Inventors: Lee, Dong-Woo, Son, Yong-Ki, Kim, Bae-Sun, Cho, Il-Yeon, Jeong, Hyun-Tae
• Primary Examiner(s): Paul, Disler
• Application Number:
  US12/875,418
• Publication Number:
  US 20110058705A1
• Time in Patent Office: 1,075 Days
• Field of Search: 381/388, 381333-334, 381/87, 381/412, 381400-401, 381/406, 455/41.1, 455/79
• US Class Current: 381/388
• CPC Class Codes: A41D 1/005 with embedded cable or connector
• CPC Class Codes: A41D 27/205 Pockets adapted to receive a mobile phone or other electronic equipment

Abstract

The present invention relates to magnetic field interface clothes performing contactless magnetic field communication with a mobile terminal, the magnetic field interface clothes includes: a receiving part in which a mobile terminal is received and a coil part performing contactless magnetic field communication with a coil part of the mobile terminal at a position facing a coil part of the mobile terminal is formed, wherein the coil part formed in the receiving part includes a first coil and a second coil, the first coil and the second coil are received in the receiving part to have different winding directions.

Claims

1. Magnetic field interface clothes performing contactless magnetic field communication with a mobile terminal, comprising:

a receiving part in which a mobile terminal is received and a coil part performing contactless magnetic field communication with a coil part of the mobile terminal at a position facing a coil part of the mobile terminal is formed,

wherein the coil part formed in the receiving part includes;

a first audio signal receiving coil that receives an L channel audio signal by using a magnetic induction scheme from the coil part of the mobile terminal; and

a second audio signal receiving coil formed to have an axis arrangement different from the first audio signal receiving coil on the receiving part when receiving an R channel audio signal from the coil part of the mobile terminal by using the magnetic induction scheme.

2. The magnetic field interface clothes according to claim 1, wherein the first audio signal receiving coil and the second audio signal receiving coil are formed in the receiving part to have different winding directions.

3. The magnetic field interface clothes according to claim 1, wherein the coil part formed in the receiving part further includes a control signal transmitting coil formed in the receiving part, the control signal transmitting coil having a different winding direction from the winding directions of the first audio signal receiving coil and the second audio signal receiving coil, and

the control signal transmitting coil transmits the control signals for controlling the operation of the mobile terminal to a magnetic field sensor of the mobile terminal by using the magnetic induction scheme.

4. The magnetic field interface clothes according to claim 3, further comprising:

a signal generator that generates control signal for controlling the operation of the mobile terminal according to control instructions from a user and transmits the generated control signals to the control signal transmitting coil;

an AC/DC converter that is input with alternating current power through the control signal transmitting coil and converts and stores the input alternating power into direct current power;

and a time synchronizer that controls the operations of the signal generator and the AC/DC converter so that the signal generator and the AC/DC converter are operated in a time division scheme.

5. The magnetic field interface clothes according to claim 1, wherein the coil part received in the receiving part further includes a mike signal transmitting coil formed in the receiving part, the mike signal transmitting coil having a different winding direction from the winding directions of the first audio signal receiving coil and the second audio signal receiving coil, and

the mike signal transmitting coil transmits mike signals input through the mike to the magnetic field sensor of the mobile terminal by using the magnetic induction scheme.

6. Magnetic field interface clothes performing contactless magnetic field communication with a mobile terminal, comprising:

a receiving part in which a mobile terminal is received and a coil part performing contactless magnetic field communication with a coil part of the mobile terminal at a position facing a coil part of the mobile terminal is formed,

wherein the coil part formed in the receiving part includes;

a first audio signal receiving coil that receives an L channel audio signal by using a magnetic induction scheme from the coil part of the mobile terminal; and

a second audio signal receiving coil that receives an R channel audio signal from the coil part of the mobile terminal by using the magnetic induction scheme,

the first audio signal receiving coil and the second audio signal receiving coil are formed in the receiving part to have different winding directions, and

wherein the winding direction of the first audio signal receiving coil and the winding direction of the second audio signal receiving coil are orthogonal to each other.

7. A mobile terminal received in magnetic field interface clothes and performing contactless magnetic field communication with the magnetic field interface clothes, comprising:

a coil part performing the contactless magnetic field communication with a coil part of the magnetic field interface at a position facing a coil part of the magnetic field interface clothes is formed,

wherein the coil part performing the contactless magnetic field communication with the coil part of the magnetic field interface clothes includes;

a first audio signal transmitting coil that transmits an L channel audio signal to the coil part of the magnetic field interface clothes through a magnetic induction scheme; and

a second audio signal transmitting coil formed to have an axis arrangement different from the first audio signal transmitting coil when transmitting an R channel audio signal to the coil part of the magnetic field interface clothes by using the magnetic induction scheme.

8. The mobile terminal according to claim 7, wherein the first audio signal transmitting coil and the second audio signal transmitting coil are formed to have different winding directions.

9. The mobile terminal according to claim 8, wherein the winding direction of the first audio signal transmitting coil and the winding direction of the second audio signal transmitting coil are orthogonal to each other.

10. The mobile terminal according to claim 7, further comprising a magnetic field sensor that receives control signals for controlling the operation of the mobile terminal, which are transmitted from the coil part of the magnetic field interface clothes by using the magnetic induction scheme.

11. The mobile terminal according to claim 10, wherein the coil part performing the contactless magnetic field communication with the coil part of the magnetic field interface clothes further includes a power transfer signal transmitting coil that transmits power transfer signals to the coil part of the magnetic field interface clothes by using the magnetic induction scheme.

12. The mobile terminal according to claim 7, further comprising a magnetic field sensor that receives mike signals transmitted from the coil part of the magnetic field interface clothes by using the magnetic induction scheme.

13. The mobile terminal according to claim 7, wherein the first audio signal transmitting coil and the second audio signal transmitting coil are formed in the external apparatus that is connected to the external connector of the mobile terminal.