Resonance power generator and resonance power receiver for performing data communication

• US 9,252,844 B2
• Filed: 12/15/2010
• Issued: 02/02/2016
• Est. Priority Date: 12/29/2009
• Status: Expired due to Fees

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Kim, Nam Yun, Kown, Sang Wook
• Primary Examiner(s): Rivero, Alejandro
• Application Number:
  US12/969,312
• Publication Number:
  US 20110159812A1
• Time in Patent Office: 1,875 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H04B 5/72 for local intradevice communication
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer

Abstract

Disclosed is a resonate power generator and a resonate power receiver. The resonate power generator may include a modulator to control modulation of transmission data transmitted to a target resonator, and to control transmission of the modulated transmission data to a power carrier signal of a source resonator, a demodulator to demodulate received data received from the target resonator, and a coupling unit to couple the modulator, the demodulator, and the source resonator.

Claims

1. A resonate power generator comprising:

a modulator/demodulator configured to control modulation of transmission data transmitted to a target resonator, to control transmission of the modulated transmission data on a power carrier signal of a source resonator, and to demodulate received data received from the target resonator; and

a coupling unit configured to couple the modulator/demodulator and the source resonator, wherein

the modulator/demodulator comprises a first switch, a second switch, a mixer, and a modulating switch,

each of the first switch the second switch is configured to switch between a first state for a modulation and a second state for a demodulation such that;

when the first switch is in the first state, the first switch connects the coupling unit and the modulating switch to transfer the power carrier signal to the modulating switch,

when the first switch is in the second state, the first switch connects the coupling unit and the mixer to transfer the power carrier signal to the mixer,

when the second switch is in the first state, the second switch connects the coupling unit and the modulating switch to transfer the modulated transmission data to the source resonator, and

when the second switch is in the second state, the second switch connects the coupling unit and the mixer to transfer the received data to the mixer, and the modulating switch is configured to modulate the transmission data on the power carrier signal.

2. The resonate power generator of claim 1, wherein

the mixer is configured to mix the received data and the power carrier signal;

and

the modulator/demodulator further comprises an analog to digital (A/D) converter configured to convert an output signal of the mixer so as to reproduce a bit value transmitted from the target resonator.

3. The resonate power generator of claim 1, wherein the modulator/demodulator further comprises:

an envelope detector configured to detect an envelope of the received data, wherein

the resonate power generator compares an output signal of the envelope detector and the power carrier signal to reproduce a bit value transmitted from the target resonator.

4. The resonate power generator of claim 1, further comprising:

the source resonator configured to transmit the modulated data to the target resonator.

5. The resonate power generator of claim 1, further comprising:

a controller configured to control the modulating switch based or the transmission data.

6. The resonate power generator of claim 5, wherein the demodulated data is sent to the controller to be used in a predetermined operation.

7. A resonate power generator comprising:

a modulator/demodulator configured to control modulation of transmission data transmitted to a target resonator, to control transmission of the modulated transmission data on a power carrier signal of a source resonator, and to demodulate received data received from the target resonator; and

a coupling unit configured to couple the modulator/demodulator and the source resonator, wherein

the modulator/demodulator comprises a first switch, a second switch, a first mixer, and a modulation unit, the modulation unit comprising a second mixer, a third mixer, and a phase control unit,

each of the first switch and the second switch is configured to switch between a first state for a modulation and a second state for a demodulation such that;

when the first switch is in the first state, the first switch connects that coupling unit and the modulation unit to transfer the power carrier signal to the modulation unit,

when the first switch is in the second state, the first switch connects the coupling unit and the first mixer to transfer the power carrier signal to the first mixer,

when the second switch is in the first state, the second switch connects the coupling unit and the first mixer to transfer the received data to the first mixer,

the phase control unit is configured to divide the power carrier signal into a first signal having a first phase and a second signal having a second phase,

the second mixer is configured to modulate the transmission data on the first signal, and the third mixer is configured to modulate the transmission data on the second signal.

8. A resonate power transceiver comprising:

a modulator/demodulator configured to control modulation of transmission data transmitted to another resonate power transceiver, to control transmission of the modulated transmission data on a power carrier signal of a resonator, and to demodulate received data received from the another resonate power transceiver; and

a coupling unit configured to couple the modulator/demodulator and the resonator, wherein

the modulator/demodulator comprises a first switch, a second switch, a mixer, and a modulation unit,

each of the first switch and the second switch is configured to switch between a first state for a modulation and a second state for a demodulation such that;

when the first switch is in the first state, the first switch connects the coupling unit and the modulation unit to transfer the power carrier signal to the modulation unit,

when the first switch is in the second state, the first switch connects the coupling unit and the mixer to transfer the power carrier signal to the mixer,

when the second switch is in the first state, the second switch connects the coupling unit and the modulation unit to transfer the modulated transmission data to the resonator, and

when the second switch is in the second state, the second switch connects the coupling unit and the mixer to transfer the received data to the mixer, and

the modulation unit is configured to modulate the transmission data on the power carrier signal.

9. The resonate power transceiver of claim 8, wherein

the mixer is configured to mix the received data and the power carrier signal;

and

the modulator/demodulator further comprises an analog to digital (A/D) converter configured to convert an output signal of the mixer so as to reproduce a bit value transmitted from the another resonate power transceiver.

10. The resonate power transceiver of claim 8, wherein the modulator/demodulator further comprises:

an envelope detector configured to detect an envelope of the received data, wherein

the resonate power receiver compares an output signal of the envelope detector and the power carrier signal, to reproduce a bit value transmitted from the another resonate power transceiver.

11. The resonate power transceiver of claim 8, wherein the modulation unit comprises:

a phase control unit configured to shift a phase of the power carrier signal; and

a modulating mixer configured to mix an output of the phase control unit and a bit stream corresponding to the transmission data.