ANTENNA ARRANGEMENT FOR HIGH SPEED DATA TRANSFER AND WIRELESS ENERGY TRANSFER

• US 20100207822A1
• Filed: 02/16/2009
• Published: 08/19/2010
• Est. Priority Date: 02/16/2009
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Ericsson Mobile Communications USA Incorporated (Sony Group Corp.)
• Inventors: SOTOUDEH, Omid
• Granted Patent: US 8,248,309 B2
• Time in Patent Office: Days
• US Class Current: 343/702
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 9/0435 using two feed points
• CPC Class Codes: H04B 5/0037 for power transfer
• CPC Class Codes: H04B 5/0081 with antenna coils loop aerials H01Q7/00
• CPC Class Codes: H04B 5/26 using coils
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer
• CPC Class Codes: H04B 7/10 Polarisation diversity; Directional diversity

Abstract

The present invention relates to an antenna arrangement, an electronic communication device and an electronic communication set. By using a parallel plate type antenna for coupling between two electronic communication devices, high speed data transfer between the electronic communication devices as well as wireless energy charging of at least one of the two electronic communication devices, can be provided.

Claims

1. An antenna arrangement for an electronic communication device, said antenna arrangement comprising:

a conductive antenna sheet having a first feeding point for transceiving a radio frequency signal in the form of an electric field being polarized in at least a first dimension, the conductive antenna sheet being adapted to provide coupling in the near field region of said electric field, enabling high speed data transfer relative to the conductive antenna sheet, the conductive antenna sheet further being arranged to provide coupling of said electric field, when said conductive antenna sheet is connected to energy transfer means, enabling wireless energy transfer relative to said conductive antenna sheet.

2. The antenna arrangement according to claim 1, wherein the conductive antenna sheet further comprises a second feeding point for transceiving the radio frequency signal in the form of an electric field being polarized in the first and a second dimension, enabling the antenna arrangement to provide dual polarized radio frequency field coupling in the near field region of said electric field.

3. The antenna arrangement according to claim 2, wherein the first and second feeding points are positioned on the conducting sheet, orthogonal in relation to one another, for providing orthogonal first and second radio frequency field polarizations.

4. The antenna arrangement according to claim 1, wherein the conductive sheet essentially is a square.

5. The antenna arrangement according to claim 2, wherein the conductive sheet essentially is circular.

6. The antenna arrangement according to claim 2, wherein the conductive sheet has a ring shape.

7. The antenna arrangement according to claim 1, wherein the conductive antenna sheet is adapted for high speed data transfer in the radio frequency range of about 700 mega Hertz to 10 giga Hertz, and preferably about 4.48 giga Hertz.

8. An electronic communication device for transceiving information, wherein the electronic communication device comprises:

an antenna arrangement according to claim 1.

9. An electronic communication device for transceiving information, wherein the electronic communication device comprises:

an antenna arrangement according to claim 2, and

wireless energy transfer means connected to the conductive antenna sheet of the antenna arrangement, enabling wireless energy transfer within close proximity of the conductive antenna sheet of said electric field, enabling wireless energy transfer relative to said conductive antenna sheet.

10. The electronic communication device according to claim 9, for which the conductive sheet essentially is circular, said electronic communication device further comprising a phase shifting unit for providing a phase shift of the radio frequency signal for the second feeding point, relative to the phase of the radio frequency signal for the first feeding point, providing a circularly polarized electric field.

11. The electronic communication device according to claim 9, for which the conductive sheet has a ring shape, said electronic communication device further comprising a phase shifting unit for providing a phase shift of the radio frequency signal for the second feeding point, relative to the phase of the radio frequency signal for the first feeding point, providing a circularly polarized electric field.

12. The electronic communication device according to claim 8, wherein the electronic communication device comprises a mobile phone.

13. The electronic communication device according to claim 9, wherein the electronic communication device comprises a mobile phone.

14. The electronic communication device according to claim 9, wherein the electronic communication device comprises a charging station adapted to charge a mobile phone.

15. The electronic communication device according to claim 9, wherein the wireless energy transfer means is adapted for operation at a frequency within the range of about 500 kilo Hertz to about 10 mega Hertz.

16. An electronic communication set, comprising:

a first electronic communication device, and

a second electronic communication device, wherein each of the respective first and second electronic communication devices is according to claim 9,

wherein high speed data transfer and wireless energy transfer is enabled by polarized RF coupling between the first and the second conductive antenna sheets, upon positioning said first conductive antenna sheet in close proximity of said second conductive antenna sheet.