Device for chip-to-chip wireless power transmission using oscillator
AssigneeSoongsil University Research Consortium Techno-Park
InventorsMi Lim LEE, Chang Kun Park
Life of this patent
Estimating the term…
Abstract
Disclosed is a device for chip-to-chip wireless power transmission. The device includes: a first transistor that outputs a first output signal; a second transistor that outputs a second output signal having a phase opposite to that of the first output signal; capacitors that each have a first terminal and a second terminal connected the first transistor and the second transistor, respectively; and a transmitting coil that wirelessly transmits AC power outputted through the first and second transistors to a receiving coil of a power receiver.
Claims14
A device for chip-to-chip wireless power transmission, which is provided to a power transmitter, the device comprising:
- a first transistor that has a first terminal connected to a first power and outputs a first output signal through a second terminal;
- a second transistor that has a first terminal connected to the first power, a second terminal connected to a gate of the first transistor, and a gate connected to the second terminal of the first transistor, and outputs a second output signal having a phase opposite to that of the first output signal through the second terminal;
- capacitors that each have a first terminal and a second terminal connected to the second terminal of the first transistor and the second terminal of the second transistor, respectively;
- and
- a transmitting coil that has a first terminal and a second terminal connected to the second terminal of the first transistor and the second terminal of the second transistor, respectively, a third terminal connected to a second power, and wirelessly transmits AC power outputted through the first and second transistor to a receiving coil of a power receiver.
A device for chip-to-chip wireless power transmission, which is provided to a power transmitter, the device comprising:
- a first transistor that has a first terminal connected to a first power and outputs a first output signal through a second terminal;
- a second transistor that has a first terminal connected to the first power, a second terminal connected to a gate of the first transistor, and a gate connected to the second terminal of the first transistor, and outputs a second output signal having a phase opposite to that of the first output signal through the second terminal;
- capacitors that each have a first terminal and a second terminal connected to the second terminal of the first transistor and the second terminal of the second transistor, respectively;
- and
- a coil transmitter that has N transmitting coils connected in series, in which a first terminal of a first transmitting coil and a second terminal of an N-th transmitting coil are connected to the second terminal of the first transistor and the second terminal of the second transistor, respectively, and a second power is connected to one node selected from at least one node formed between the transmitting coils,
- wherein the N transmitting coils wirelessly transmit AC power outputted through the first and second transistors to N receiving coils corresponding to N power receivers, respectively.
A device for chip-to-chip wireless power transmission, which is provided to a power transmitter, the device comprising:
- a first transistor that has a first terminal connected to a first power and outputs a first output signal through a second terminal;
- a second transistor that has a first terminal connected to the first power, a second terminal connected to a gate of the first transistor, and a gate connected to the second terminal of the first transistor, and outputs a second output signal having a phase opposite to that of the first output signal through the second terminal;
- a coil transmitter that has N transmitting coils connected in series, in which a first terminal of a first transmitting coil and a second terminal of an N-th transmitting coil are connected to the second terminal of the first transistor and the second terminal of the second transistor, respectively, and a second power is connected to one node selected from at least one node formed between the transmitting coils;
- and
- N capacitors that are connected in parallel to the N transmitting coils, respectively,
- wherein the N transmitting coils wirelessly transmit AC power outputted through the first and second transistors to N receiving coils corresponding to N power receivers, respectively.
Dependencies are inferred from the claim text.