Power supply systems
First Claim
Patent Images
1. A power supply system including:
- a power supply configured to provide an AC current with a constant magnitude and a sinusoidal waveform having a frequency between 500 Hz and 1000 Hz, wherein the power supply is configured to produce a pulse width modulated output, and the power supply includes a low pass filter capable of filtering high frequency components from the pulse width modulated output;
a power transmission line connected to the power supply to form a closed circuit; and
a plurality of pickups configured to accept and slidingly engage with the power transmission line such that each pickup completely encircles a portion of the power transmission line threaded through said pickup, and to inductively couple to the power transmission line,wherein each of the plurality of pickups can be positioned at any point along the length of the power transmission line by being slid along the power transmission line.
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Abstract
A power supply system including: a power supply configured to provide a constant AC current; a power transmission line connected to the power supply to form a closed circuit; and at least one pickup configured to accept and slidingly engage with the power transmission line such that the pickup completely encircles a portion of the power transmission line threaded through the pickup, and to inductively couple to the power transmission line, wherein the at least one pickup can be positioned at any point along the length of the power transmission line by sliding it along the power transmission line.
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Citations
23 Claims
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1. A power supply system including:
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a power supply configured to provide an AC current with a constant magnitude and a sinusoidal waveform having a frequency between 500 Hz and 1000 Hz, wherein the power supply is configured to produce a pulse width modulated output, and the power supply includes a low pass filter capable of filtering high frequency components from the pulse width modulated output; a power transmission line connected to the power supply to form a closed circuit; and a plurality of pickups configured to accept and slidingly engage with the power transmission line such that each pickup completely encircles a portion of the power transmission line threaded through said pickup, and to inductively couple to the power transmission line, wherein each of the plurality of pickups can be positioned at any point along the length of the power transmission line by being slid along the power transmission line. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A power supply system including:
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a power supply configured to provide an AC current with a constant magnitude and a sinusoidal waveform having a frequency between 500 Hz and 1000 Hz, wherein the power supply includes an inverter circuit configured to provide an AC output and produces a pulse width modulation frequency of between 20 kHz and 40 kHz; a power transmission line connected to the power supply to form a closed circuit; and a plurality of pickups configured to accept and slidingly engage with the power transmission line such that each pickup completely encircles a portion of the power transmission line threaded through said pickup, and to inductively couple to the power transmission line, wherein each of the plurality of pickups can be positioned at any point along the length of the power transmission line by being slid along the power transmission line. - View Dependent Claims (14, 15, 16, 17)
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18. A power supply system including:
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a power supply configured to provide an AC current with a constant magnitude and a sinusoidal waveform having a frequency between 500 Hz and 1000 Hz; a power transmission line connected to the power supply to form a closed circuit; and a plurality of pickups configured to accept and slidingly engage with the power transmission line such that each pickup completely encircles a portion of the power transmission line threaded through said pickup, and to inductively couple to the power transmission line, wherein each of the plurality of pickups can be positioned at any point along the length of the power transmission line by being slid along the power transmission line, wherein the power supply actively monitors the power transmission line to dynamically maintain a constant current therethrough, and wherein the constant current level can be adjusted by a user of the power supply system.
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19. A power supply system including:
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a power supply configured to provide an AC current with a constant magnitude and a sinusoidal waveform having a frequency between 500 Hz and 1000 Hz; a power transmission line connected to the power supply to form a closed circuit; and a plurality of pickups configured to accept and slidingly engage with the power transmission line such that each pickup completely encircles a portion of the power transmission line threaded through said pickup, and to inductively couple to the power transmission line, wherein each of the plurality of pickups can be positioned at any point along the length of the power transmission line by being slid along the power transmission line, and wherein the power transmission line includes a separate communications line.
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20. A circuit including a pickup, the pickup configured to be used with a power supply system, the system having a power supply configured to provide an AC current with a constant magnitude, and a sinusoidal waveform having a frequency between 500Hz and 1000Hz, to a power transmission line connected to the power supply to form a closed circuit,
wherein the pickup is configured, in use, to thread onto and to inductively couple to the power transmission line such that the pickup completely encircles a portion of the power transmission line threaded through the pickup and wherein the pickup is capable of being positioned at any point along the length of the power transmission line by sliding the pickup along the power transmission line, wherein the power supply is configured to provide power to a plurality of said pickups, the circuit including a switched mode power supply configured to supply a load of varying wattage whilst drawing a constant current input, the circuit further including a communications interface configured to receive signals transmitted on the power transmission line and inductively communicated to the communications interface by way of the pickup, wherein the circuit can be remotely controlled by way of the received signals.
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22. A method of controlling a circuit including a pickup inductively coupled to a power transmission line, the power transmission line connected to form a closed loop with a power supply configured to provide an AC current with a constant magnitude and a sinusoidal waveform having a frequency between 500Hz and 1000Hz through the power transmission line to a plurality of pickups, the method including:
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operating a communications interface associated with the power supply to transmit a signal on the power transmission line, the signal configured to provide instructions to the circuit, wherein the communications interface associated with the power supply is configured to receive signals from an external source; receiving the signal by way of a communications interface associated with the circuit, and operating the circuit in accordance with the instructions within the transmitted signal, wherein the pickup is configured to accept and slidingly engage with the power transmission line such that the pickup completely encircles a portion of the power transmission line threaded through it, and to inductively couple to the power transmission line wherein the pickup can be positioned at any point along the length of the power transmission line by sliding it along the power transmission line. - View Dependent Claims (23)
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Specification