| Patent application number | Description | Published |
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| 20090098915 | RECHARGING METHOD AND APPARATUS - The present invention provides apparatus and an associated method for remotely energizing power storage devices. Energization may preferably be effected through the use of RF energy from a base station, ambient energy or ultra-wide band energy. The remote station preferably has at least one antenna having an effective area greater than its physical area. The system may have an antenna and associated circuitry provided on an electronic chip such as a monolithic chip or on a printed circuit with a suitable substrate. | 04-16-2009 |
| 20100090656 | POWERING DEVICES USING RF ENERGY HARVESTING - Disclosed is an apparatus for an application including a core device for the application. The apparatus includes a power (preferably RF energy) harvester connected to the core device to power the core device. Also disclosed is a method for an application. The method includes the steps of converting RF energy into usable energy. There is the step of powering the core device with the usable energy. | 04-15-2010 |
| 20110031821 | Method and Apparatus for Implementation of a Wireless Power Supply - An apparatus, for wirelessly powering a device having an enclosure for a charge storage component, includes a wireless power supply which fits into the enclosure. The apparatus includes an antenna connected to the wireless power supply. A battery. A cell phone cover for a cell phone. A headphone. A wireless power adapter for a DC jack. Alternatively, the apparatus includes a substrate having discrete components and integrated circuits disposed in the device. A method for wirelessly powering a device having an enclosure for a charge storage component. | 02-10-2011 |
| 20110062791 | POWER TRANSMISSION NETWORK - A network for power transmission to a receiver that converts the power into current includes a first node for transmitting power wirelessly in a first area. The first area has a minimum electric or magnetic field strength. The network includes a second node for transmitting power wirelessly in a second area. The second area has a minimum electric or magnetic field strength and overlaps the first area to define an overlap area. In another embodiment, the network includes a source in communication with the first and second nodes which provides power to them. Also disclosed are methods for power transmission to a receiver that converts the power into current. | 03-17-2011 |
| 20110069516 | METHOD AND APPARATUS FOR HIGH EFFICIENCY RECTIFICATION FOR VARIOUS LOADS - An apparatus for converting power includes at least one impedance matching network which receives an electrical signal. The apparatus includes at least one AC to DC converter in communication with the impedance matching network. Also disclosed is a method for powering a load and an apparatus for converting power and additional embodiments of an apparatus for converting power. | 03-24-2011 |
| Patent application number | Description | Published |
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| 20080227478 | MULTIPLE FREQUENCY TRANSMITTER, RECEIVER, AND SYSTEMS THEREOF - A method and a system include a converter configured to convert received radio frequency signals to a direct current (DC) signal to provide power to at least a portion of a receiver. A received radio frequency signal can be associated with a plurality of carrier frequencies within a specified frequency band and time period. The received radio signals can have a total power level above a threshold power level. In some embodiments, the total power level can be above a threshold power level and below a pre-determined power level. Multiple converters can be used. Each converter can correspond to a subset of the carrier frequencies and/or to the carrier frequencies of different specified frequency bands. A combiner can combine the DC output from the converters into a single DC signal. The receiver can communicate data via a data carrier frequency associated with the carrier frequencies used for wireless power transfer. | 09-18-2008 |
| 20080290738 | SMART RECEIVER AND METHOD - A method and an apparatus according to an embodiment include a converter, a power storage module, and a processing module. The converter is configured to convert an energy associated with an electromagnetic wave into a DC power. The power storage module is configured to store the DC power. The processing module is configured to receive information associated with the received power to determine a parameter to operate a device, such as a light-emitting device, for example. The information can include voltage levels associated with the received power at one or more predetermined time instances. The power storage module is configured to send the stored DC power to the device to operate the device in accordance with the parameter determined by the processing module. The processing module is configured to determine the parameter to operate the device, such as periods of activity or inactivity, when a predetermined event is detected. | 11-27-2008 |
| 20080290822 | ITEM AND METHOD FOR WIRELESSLY POWERING THE ITEM - A method and an apparatus according to an embodiment include a member, a first elongate member, and a second elongate member. Each of the first elongate member and the second elongate member are coupled to the member. A receiver configured to convert an electromagnetic wave to a DC power is disposed on the member. A first light-emitting device and a second light-emitting device are disposed on the first elongate member and on the second elongate member, respectively. Each of the light-emitting devices is configured to operate based on the DC power from the receiver. In another embodiment, a second receiver configured to convert an electromagnetic wave to a DC power can be disposed on one of the elongate members. In such embodiment, the light-emitting devices are configured to operate based on the DC power from the first and second receivers. | 11-27-2008 |
| 20090067208 | METHOD AND APPARATUS FOR PROVIDING POWER - An apparatus includes a first converter module, a second converter module, and a sensor module. The first converter module converts a wireless power associated with an electromagnetic wave to a first DC voltage. The first converter module can include, for example, a Villiard cascade voltage multiplier, a precision rectifier, or a full-wave bridge rectifier. The sensor module monitors the first DC voltage. The second converter module converts the first DC voltage to a second DC voltage that is larger than the first DC voltage. The second converter module is enabled by the sensor module when the first DC voltage is above a first threshold voltage. The second converter module is disabled by the sensor module when the first DC voltage is below a second threshold voltage that is lower than the first threshold voltage. The second converter module provides power to a load based on the second DC voltage. | 03-12-2009 |
| 20090102296 | Powering cell phones and similar devices using RF energy harvesting - A device for receiving wireless power includes a point of reception, wherein the point of reception is positionable in at least a first position and a second position. A method for receiving wireless power. The method includes the steps of positioning a point of reception in contact with a housing to a first position. There is the step of receiving wireless power at the point of reception and providing it to a power harvester in the housing. There is the step of converting the wireless power to usable DC with the power harvester. There is the step of providing the usable DC to core components in the housing. There is the step of using the DC by the core components. There is the step of repositioning the point of reception to a second position. There is the step of receiving wireless power at the point of reception at the second position and providing it to the power harvester. There is the step of converting the wireless power received by the point of reception in the second position to usable DC with the power harvester. There is the step of providing the usable DC to the core components in the housing. There is the step of using the DC by the core components. | 04-23-2009 |
| 20110148347 | RF POWERED SPECIALTY LIGHTING, MOTION, SOUND - Disclosed is a system for wirelessly powering an item. A source is configured to send wireless power. A target is configured to receive the wireless power and convert the wireless power to a useable power. A component is connected to and configured to receive the useable power from the target. When the component receives the usable power, the component activates. Also disclosed is an assembly including a system for wirelessly powering a component and a structure for supporting the system and an item. | 06-23-2011 |
