HIGH-FREQUENCY WIRELESS POWER SYSTEM

• US 20140225447A1
• Filed: 02/11/2014
• Published: 08/14/2014
• Est. Priority Date: 02/11/2013
• Status: Abandoned Application

• Current Assignee: Triune Ip, LLC (Semtech Corporation)
• Original Assignee: Triune Ip, LLC (Semtech Corporation)
• Inventors: Teggatz, Ross E.
• Application Number:
  US14/178,161
• Publication Number:
  US 20140225447A1
• Time in Patent Office: Days
• US Class Current: 307/104
• CPC Class Codes: H02J 50/005 Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/40 using two or more transmitting or receiving devices H02J50/50 takes precedence
• CPC Class Codes: H02J 50/70 involving the reduction of electric, magnetic or electromagnetic leakage fields
• CPC Class Codes: H02M 1/0048 Circuits or arrangements for reducing losses using snubbers H02M1/34
• CPC Class Codes: H02M 7/219 in a bridge configuration
• CPC Class Codes: Y02B 70/10 Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Abstract

A high-frequency wireless power system with at least one antenna port and at least one asymmetric conductance device operatively coupled to the at least one antenna port. The at least one asymmetric conductance device includes a first terminal and a second terminal, with at least one cross-over break switch operatively coupled across the first terminal and the second terminal. The system further includes at least one control circuit operatively coupled to the at least one cross-over break switch to control the at least one cross-over break switch.

Claims

1. A high-frequency wireless power system, comprising:

at least one antenna port;

at least one asymmetric conductance device operatively coupled to said at least one antenna port, said at least one asymmetric conductance device having a first terminal and a second terminal;

at least one cross-over break switch operatively coupled across said first terminal and said second terminal; and

at least one control circuit operatively coupled to said at least one cross-over break switch to control said at least one cross-over break switch.

2. The high-frequency wireless power system of claim 1 wherein said at least one asymmetric conductance device comprises at least one of a diode and a schottky diode.

3. The high-frequency wireless power system of claim 1 wherein said at least one asymmetric conductance device is configured as a bridge.

4. The high-frequency wireless power system of claim 1 wherein said at least one control circuit issues a trigger signal based on at least one of frequency, phase, voltage and current.

5. The high-frequency wireless power system of claim 1 wherein said at least one control circuit predicts a waveform and issues a trigger signal based on at least one of frequency lock and phase lock.

6. The high-frequency wireless power system of claim 1 wherein said at least one cross-over break switch is configured in at least one of a parallel configuration, a series configuration and a combination of series configuration and parallel configuration.

7. The high-frequency wireless power system of claim 1 wherein said at least one cross-over break switch is synchronous.

8. The high-frequency wireless power system of claim 1 wherein at least one output of said at least one control circuit outputs a level shifted signal.

9. The high-frequency wireless power system of claim 1 wherein at least one output of said at least one control circuit outputs a stepped signal.

10. The high-frequency wireless power system of claim 1 wherein said at least one control circuit comprises at least one of a frequency lock loop and a phase lock loop.

11. A high-frequency wireless power system, comprising:

at least one antenna port to receive at least one electromagnetic signal;

at least one rectifier operatively coupled to said at least one antenna port, said at least one rectifier having a bridge configuration having at least one bridge leg;

at least one cross-over break switch operatively coupled across said at least one bridge leg; and

at least one control circuit operatively coupled to said at least one cross-over break switch to control said at least one cross-over break switch.

12. The high-frequency wireless power system of claim 11 wherein said at least one rectifier comprises at least one of an active bridge and a passive bridge.

13. The high-frequency wireless power system of claim 11 wherein said at least one rectifier comprises at least one of a full bridge and a half bridge.

14. The high-frequency wireless power system of claim 11 wherein said at least one rectifier comprises an active bridge and wherein said active bridge comprises at least one of a fully synchronous bridge and half synchronous bridge.

15. The high-frequency wireless power system of claim 11 wherein said at least one rectifier comprises a dynamic bridge and wherein said dynamic bridge comprises at least one of a fully synchronous bridge, half synchronous bridge and asynchronous bridge.

16. The high-frequency wireless power system of claim 11 wherein said at least one cross-over break switch is configured in at least one of a parallel configuration, a series configuration and a combination of series configuration and parallel configuration.

17. A high-frequency wireless power system, comprising:

at least one antenna port to receive at least one electromagnetic signal;

at least one bridge rectifier operatively coupled to said at least one antenna port;

at least one load connected to an output of said at least one rectifier configured as a diode bridge;

at least one load switch operatively coupled to said at least one load; and

at least one control circuit operatively coupled to said at least one load switch to control said at least one load switch.

18. The high-frequency wireless power system of claim 17 wherein said at least one bridge rectifier comprises at least one of an active bridge and a passive bridge.

19. The high-frequency wireless power system of claim 17 wherein said at least one bridge rectifier comprises at least one of a full bridge and a half bridge.

20. The high-frequency wireless power system of claim 17 wherein said at least one load switch is configured in at least one of a parallel configuration, a series configuration and a combination of series configuration and parallel configuration.