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

A method for wirelessly charging a portable terminal using a Radio Frequency (RF) is provided. A charging system detects one or more portable terminals within a predetermined area, and preferably requests information needed for charging to the one or more portable terminals via short-range communication, receives the information in response needed for charging from each of the one or more portable terminals. A portable terminal to be wirelessly charged from among the one or more portable terminals is selected, based on the received information needed for charging, and the charging system transmits a predetermined RF for charging to the selected portable terminal.

Method and system for wireless charging in a portable terminal

Disclosed is a mobile terminal and method for managing a log during Bluetooth communication with a Bluetooth module in which information about a counterpart terminal connected via Bluetooth module is analyzed, the analyzed information about the counterpart terminal is stored, a task performed by the counterpart terminal is analyzed, the analyzed task is stored, and the stored information about the counterpart terminal and the task are displayed. The mobile terminal and method for managing a log enables a user of the mobile terminal to know what tasks were performed on a file of its mobile terminal by the counterpart terminal connected for Bluetooth communication. Since the mobile terminal can save original files using a backup function of log management, it is possible to prevent a serious problem caused by the counterpart terminal's arbitrary change or deletion of an important file in the slave unit.

Method for log management during bluetooth communication and mobile terminal device employing the same

A method and apparatus for indicating an operation state in a mobile terminal are provided. The apparatus includes a light emitter (for example, a Light Emitting Diode (LED)) mounted on an exterior of the mobile terminal so that a user can intuitively recognize the mounting or non-mounting of a user identification (ID) card, a primary- or secondary-setting state of a user ID card, or a user ID card associated with an event (transmission or reception of a call, a text message, or data) among a plurality of user ID cards.

In-Gu Son

Papers

Method and system for wireless charging in a portable terminal

Method for log management during bluetooth communication and mobile terminal device employing the same

Method and apparatus for indicating operation state in mobile terminal

Method and mobile terminal for log management during Bluetooth communication