Systems and methods for wireless power transmission

The present disclosure describes a methodology for wireless power transmission based on pocket-forming. This methodology may include one transmitter and at least one or more receivers, being the transmitter the source of energy and the receiver the device that is desired to charge or power. The transmitter may identify and locate the device to which the receiver is connected and thereafter aim pockets of energy to the device in order to power it. Pockets of energy may be generated through constructive and destructive interferences, which may create null-spaces and spots of pockets of energy ranged into one or more radii from transmitter. Such feature may enable wireless power transmission through a selective range, which may limit operation area of electronic devices and/or may avoid formation of pockets of energy near and/or over certain areas, objects and people.

Wireless power transmission with selective range

A method for controlling communication between wireless power transmitter managers is disclosed. According to some aspects of this embodiment, wireless power transmission system may include one or more wireless power transmitter managers and one or more wireless power receivers for powering various customer devices. A WiFi connection may be established between wireless power transmitter managers to share information between system devices. Wireless power transmitter manager may need to fulfill two conditions to control power transfer over a customer device; customer device's signal strength threshold has to be significantly greater than 50%, such as 55% or more of the signal strength measured by all other wireless power transmitter managers and has to remain significantly greater than 50% for a minimum amount of time.

System and method for controlling communication between wireless power transmitter managers

The present invention may provide various electric receiver arrangements which may be used to provide wireless power transmission using suitable power transmission techniques such as pocket-forming. In some embodiments, receivers may include at least one antenna connected to at least one rectifier and one power converter. In other embodiments, receivers including a plurality of antennas, a plurality of rectifiers or a plurality of power converters may be provided. In addition, receivers may include communications components which may allow for communication to various electronic equipment including transmitters, phones, computers and others. Lastly, various implementation arrangements may be provided for including receivers in electronic devices.

Receivers for Wireless Power Transmission

The present disclosure provides a method and apparatus for improved wireless charging pads for charging and/or powering electronic devices. Such pads may not require a power chord for connecting to a main power supply, for example a wall outlet. In contrast, power may be delivered wireless to the foregoing pads through pocket-forming. A transmitter connected to a power source may deliver pockets of energy to the pads which through at least one embedded receiver may convert such pockets of energy to power. Lastly, the pads may power and/or charge electronic devices through suitable wireless power transmission techniques such as magnetic induction, electrodynamics induction or pocket-forming.

Portable wireless charging pad

Provided are an apparatus and a method for simultaneously transmitting and receiving a wireless power and data. A wireless power and data transmission apparatus may include: a modulator configured to modulate first data by adjusting a power amount to be charged in one or more capacitors; a switch controller configured to control one or more switches corresponding the one or more capacitors based on a charging time to charge the one or more capacitors and a transfer time to transfer a power charged in the one or more capacitors and the modulated first data to a source resonator; and a transmitter configured to transmit the charged power and the modulated first data using the source resonator.

Wireless power and data transmission and reception system

PURPOSE: A system for transmitting and receiving wireless power and data is provided to remove a resonant frequency matching process for improving transmission efficiency according to the change of an operation environment by using a transmission unit and a reception unit which are separated from a power input and output unit CONSTITUTION: A power input unit(110) receives power and charges a parallel capacitor A modulating unit modulates the first data by controlling the power charged in the parallel capacitor A switch control unit controls switches according to a transmission timing A transmitting unit(130) transmits the charged power and the modulated first data by magnetic coupling A demodulating unit demodulates the modulated second data based on the power charged in the parallel capacitor

Kim Sang Joon

Papers

Wireless power and data transmission and reception system

System for wireless power and data transmission and reception