Power transmission network and method
AssigneePowercast Corporation
InventorsDaniel Harrist, Charles Greene, John Shearer
Life of this patent
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Abstract
A network for power transmission to a receiver which converts the power into current includes a first node for transmitting power with circularly polarized waves in a first area. The network includes a second node for transmitting power with circularly polarized waves in a second area. Alternatively, elliptically polarized waves or dual polarized waves are used or different frequencies are used or different polarizations are used or different polarization vectors are used. Also disclosed is a method for power transmission to a receiver which converts the power into current.
Claims30
A network for power transmission to a receiver which converts the power into current comprising:
- a first node for transmitting power with circularly polarized waves in a first area;
- and
- a second node for transmitting power with circularly polarized waves in a second area.
A network for power transmission to a receiver having an RF receiving antenna with a polarization which converts the power into current comprising:
- a first node for transmitting power with elliptically polarized waves in the first area;
- and
- a second node for transmitting power elliptically polarized waves in a second area.
A method for power transmission to a receiver which converts the power into current comprising the steps of:
- transmitting power with circularly polarized waves from a first node in a first area;
- and
- transmitting power with circularly polarized waves from a second node in a second area.
A method for power transmission to a receiver having an RF receiving antenna with a polarization which converts the power into current comprising the steps of:
- transmitting power with elliptically polarized waves from a first node in a first area;
- and
- transmitting power with elliptically polarized waves from a second node in a second area.
A network for power transmission to a receiver which converts the power into current comprising:
- a first node for transmitting power with dual polarized waves in a first area;
- and
- a second node for transmitting power with dual polarized waves in a second area.
A method for power transmission to a receiver which converts the power into current comprising the steps of:
- transmitting power with dual polarized waves from a first node in a first area;
- and
- transmitting power with dual polarized waves from a second node in a second area.
A network for power transmission to a receiver which converts the power into current comprising:
- a first node having components for transmitting power at a first frequency in a first area;
- and
- a second node having components for transmitting power at a second frequency in a second area, the second frequency is different than the first frequency due to tolerances in the components of the first and second nodes.
A method for power transmission to a receiver which converts the power into current comprising the steps of:
- transmitting power with components at a first frequency of a first node in a first area;
- and
- transmitting power with components at a second frequency of a second node in a second area, the second frequency is different than the first frequency due to tolerances in the components of the first and second nodes.
A network for power transmission to a receiver which converts the power into current comprising:
- a first node for transmitting power on a first polarization in a first area;
- and
- a second node for transmitting power on a second polarization in a second area.
A network for power transmission to a receiver which converts the power into current comprising:
- a first node for transmitting power having first polarization vectors in a first area;
- and
- a second node for transmitting power having second polarization vectors in a second area.
A network for power transmission to a receiver which converts a power into current comprising:
- a plurality of transmitters which together use a first total transmitted power and yield a power coverage area equivalent to a single power transmitter power coverage area which uses a second total transmitted power, where the first total transmitted power is less than the second total transmitted power.
A method for power transmission to a receiver which converts the power into current comprising the steps of:
- yielding a power coverage area with a plurality of transmitters which together use a first total transmitted power equivalent to a single power transmitter power coverage area which uses a second total transmitted power, where the first total transmitted power is less than the second total transmitted power;
- and
- receiving power by the receiver in the power coverage area from at least one of the plurality of transmitters.
A system for power transmission, comprising:
- a receiver including a receiver antenna;
- and
- an RF power transmitter including a transmitter antenna,
- wherein the RF power transmitter transmits RF power,
- the RF power includes multiple polarization components, and
- the receiver converts the RF power to DC.
A security system to sense intruders comprising:
- a plurality of sensors to sense the intruders disposed about a parameter, each sensor has an RF wireless receiver to receive RF wireless energy and convert it into current to power the sensor;
- and
- a plurality of transmitters to provide wireless RF energy to the receivers.
A method for power transmission comprising the steps of:
- transmitting RF power wirelessly having multiple polarization components with an RF power transmitter having a transmitter antenna;
- receiving the wireless RF power at a receiver having a receiver antenna;
- and
- converting the RF power to DC by the receiver.
Dependencies are inferred from the claim text.