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US 9,312,814 B2Granted
Demodulation device, and demodulation integrated device and modulation and demodulation integrated device using the same
AssigneeKorea Basic Science Institute
InventorsSeung Young Park, Sang IL Kim
Life of this patent
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Abstract
A demodulation device according to the present invention includes a spin device configured to output an oscillation signal; a phase control unit configured to assign a predetermined phase locking characteristic to the spin device, thereby causing the oscillation signal to be tuned to a modulation signal that is input to the spin device; and a detector configured to demodulate the oscillation signal that is output by the spin device and tuned to the modulation signal, thereby restoring information carried on the oscillation signal.
Claims18
A demodulation device, comprising:
- a spin device configured to output an oscillation signal;
- a phase control unit configured to assign a predetermined phase locking characteristic to the spin device, thereby causing the oscillation signal to be tuned to a modulation signal that is input to the spin device;
- and
- a detector configured to demodulate the oscillation signal that is output by the spin device and tuned to the modulation signal, thereby restoring information carried on the oscillation signal,
- wherein the phase control unit comprises a current generation unit configured to assign a phase locking characteristic to the spin device by applying a predetermined current to the spin device;
- and
- wherein the phase control unit further comprises a magnetic field generation unit configured to assign a phase locking characteristic to the spin device along with the current generation unit by applying a predetermined magnetic field to the spin device.
4 more elements
A demodulation integrated device, comprising:
- a substrate;
- a plurality of spin devices configured to receive power from electrodes provided on the substrate, to be operated with the power, and to output oscillation signals;
- a phase control unit configured to assign predetermined phase locking characteristics to the respective spin devices, thereby causing the oscillation signals to be tuned to modulation signals input to the respective spin devices;
- a detector configured to restore information carried on the oscillation signals by demodulating the oscillation signals that are output by the respective spin devices and tuned to the modulation signals;
- and
- a current distribution unit disposed between the electrodes and the plurality of magnetic field generation units and configured to distribute and supply currents to the respective magnetic field generation units so that the magnetic field generation units can generate respective magnetic fields,
- wherein the phase control unit comprises a current generation unit disposed between the electrodes and the plurality of spin devices, to generate currents that assign predetermined phase locking characteristics to the respective spin devices, and to distribute the currents;
- and
- wherein the phase control unit further comprises a plurality of magnetic field generation units disposed on the respective spin devices and configured to assign phase locking characteristics to the spin devices by applying predetermined magnetic fields to the spin devices.
6 more elements
A modulation and demodulation integrated device, comprising:
- a substrate;
- a modulation unit provided on the substrate and configured to transmit a modulation signal;
- and
- a demodulation unit provided on the substrate and receive the modulation signal;
- wherein the demodulation unit comprises:
- a plurality of spin devices configured to output oscillation signals;
- a phase control unit configured to assign predetermined phase locking characteristics to the respective spin devices, thereby causing the oscillation signals to be tuned to modulation signals that are input to the spin devices;
- and
- a detector configured to demodulate the oscillation signals that are output by the respective spin devices and tuned to the modulation signals, thereby restoring information carried on the oscillation signals.
6 more elements
Dependencies are inferred from the claim text.