Abstract: Systems and methods for enabling efficient wireless power transfer, and charging of devices and batteries, in a manner that allows freedom of placement of the devices or batteries in one or multiple (e.g., one, two or three) dimensions. In accordance with various embodiments, applications include inductive or magnetic charging and power, and wireless powering or charging of, e.g., mobile, electronic, electric, lighting, batteries, power tools, kitchen, military, medical or dental, industrial applications, vehicles, trains, or other devices or products. In accordance with various embodiments, the systems and methods can also be generally applied, e.g., to power supplies or other power sources or charging systems, such as systems for transfer of wireless power to a mobile, electronic or electric device, vehicle, or other product.

Abstract: Systems and methods are provided for inductive powering and/or charging of electric or electronic devices or batteries. For example, a system may comprise a base unit, such as a charger or power supply, which includes one or more primary coils generally having a planar or curved surface. Each primary coil can be activated to generate a magnetic field in a direction substantially perpendicular to the planar or curved surface to provide power to one or more inductive power receiver coils of a receiver to power or charge one or more portable devices or batteries. The base unit is capable of detecting a wireless communication signal or a modulation communication signal in the one or more primary coils created by modulation of the receiver's impedance and is capable of using the wireless communication signal or the modulation communication signal to control output voltage, current or power from the receiver.

Abstract: Systems and methods for enabling transfer of power, from a wireless charger or power supply, to one or more receivers placed on or near the wireless charger or power supply, including powering or charging one or multiple receivers or devices having small surface areas or volumes. In accordance with an embodiment, a receiver coil can be generally shaped as a blade or thin solenoid, which receives power inductively, which is then used to power or charge one or more electronic devices. Applications include inductive or magnetic charging and power, and particularly usage in mobile, electronic, electric, lighting, or other devices, batteries, power tools, kitchen, industrial, medical or dental, or military applications, vehicles, robots, trains, and other usages.

Abstract: A system and method for distributed charging of mobile devices. In accordance with an embodiment, the system comprises a secondary coil or receiver associated with a mobile device. When the mobile device is placed in proximity to a base unit having one or more primary coils, each primary coil having a generally planar shape so that when a current is passed through the primary coil a magnetic field is generated in a direction substantially perpendicular to the plane of the primary coil, the perpendicular magnetic field is used to inductively generate a current in the secondary coil or receiver associated with the mobile device, to charge or power the mobile device. In accordance with various embodiments the system can incorporate efficiency measures that improve the efficiency of power transfer between the charger and receiver.

Abstract: In accordance with various embodiments, described herein are systems and methods for enabling efficient wireless power transfer and charging of devices and/or batteries, including in some embodiments freedom of placement of the devices and/or batteries in one or multiple (e.g. one, two or three) dimensions, and/or improved features such as ease of use and compatibility. Exemplary applications include beam inductive or magnetic charging and power for use in, e.g., mobile, electronic, electric, lighting or other devices, batteries, power tools, kitchen, military, medical, industrial tools or systems, robots, trains, buses, trucks and/or vehicles, and other environments.

Abstract: Provided is a combination of a receiver unit and a mobile device and/or battery, the device and/or battery capable of being inductively powered and/or charged by the receiver unit, the unit being a component of or electrically connected to the mobile device or battery. The receiver unit comprises a receiver coil and a communication and control system. The receiver coil generally has a planar surface, and the receiver unit is capable of receiving energy from a base unit via an inductive magnetic field and using the energy to power and/or charge the mobile device or batter. The communication and control system in the receiver unit regulates an appropriate power, voltage and/or current value of an output of the receiver unit to charge or power the mobile device or battery.

Abstract: A portable inductive power source, power device, or unit, for use in powering or charging electrical, electronic, battery-operated, mobile, and other devices is disclosed herein. In accordance with an embodiment the system comprises a pad or similar base unit that contains a primary, which creates an alternating magnetic field by means of applying an alternating current to a winding, coil, or any type of current carrying wire. A receiver comprises a means for receiving the energy from the alternating magnetic field from the pad and transferring it to a mobile or other device. In some embodiments the receiver can also comprise electronic components or logic to set the voltage and current to the appropriate levels required by the mobile device, or to communicate information or data to and from the pad. Embodiments may also incorporate efficiency measures that improve the efficiency of power transfer between the charger and receiver.

Abstract: Systems and methods for enabling efficient wireless power transfer, and charging of devices and batteries, in a manner that allows freedom of placement of the devices or batteries in one or multiple (e.g., one, two or three) dimensions. In accordance with various embodiments, applications include inductive or magnetic charging and power, and wireless powering or charging of, e.g., mobile, electronic, electric, lighting, batteries, power tools, kitchen, military, medical or dental, industrial applications, vehicles, trains, or other devices or products. In accordance with various embodiments, the systems and methods can also be generally applied, e.g., to power supplies or other power sources or charging systems, such as systems for transfer of wireless power to a mobile, electronic or electric device, vehicle, or other product.

Abstract: A power source, charging system, and inductive receiver for mobile devices. A pad or similar base unit comprises a primary, which creates a magnetic field by applying an alternating current to a winding, coil, or any type of current carrying wire. A receiver comprises a means for receiving the energy from the alternating magnetic field and transferring it to a mobile or other device. The receiver can also comprise electronic components or logic to set the voltage and current to the appropriate levels required by the mobile device, or to communicate information or data to and from the pad. The system may also incorporate efficiency measures that improve the efficiency of power transfer between the charger and receiver.

Abstract: Systems and methods for enabling efficient wireless power transfer, and charging of devices and batteries, in a manner that allows freedom of placement of the devices or batteries in one or multiple (e.g., one, two or three) dimensions. In accordance with various embodiments, applications include inductive or magnetic charging and power, and wireless powering or charging of, e.g., mobile, electronic, electric, lighting, batteries, power tools, kitchen, military, medical or dental, industrial applications, vehicles, trains, or other devices or products. In accordance with various embodiments, the systems and methods can also be generally applied, e.g., to power supplies or other power sources or charging systems, such as systems for transfer of wireless power to a mobile, electronic or electric device, vehicle, or other product.

Abstract: A system and method for improved efficiency and flexibility in inductive charging. In accordance with an embodiment, the system comprises a base unit having one or more primary coils, wherein each primary coil is configured so that when a current is passed through it, a magnetic field is generated in a direction substantially perpendicular to the plane of the primary coil; one or more secondary coils or receivers associated with one or more mobile device; and one or more components within the base unit and/or the mobile device, for improving efficiency and/or flexibility in inductive charging. When the one or more mobile device is placed in proximity to the base unit, the perpendicular magnetic field is used to inductively generate a current in the one or more secondary coils or receivers associated therewith, to charge or power the device.

Abstract: Systems and methods for modifying the magnitude and/or phase of an electromagnetic field in one or multiple dimensions. Applications for use in charging or powering multiple devices with a wireless power charger system are also described. Applications include beam shaping, beam forming, phase array radar, beam steering, etc. and inductive charging and power, and particularly usage in mobile, electronic, electric, lighting, or other devices, batteries, power tools, kitchen, industrial applications, vehicles, and other usages. Embodiments of the invention can also be applied generally to power supplies and other power sources and chargers, including systems and methods for improved ease of use and compatibility and transfer of wireless power to mobile, electronic, electric, lighting, or other devices, batteries, power tools, kitchen, military, industrial applications and/or vehicles.

Abstract: A system and method for providing a multi-dimensional inductive charger. In accordance with an embodiment, the system comprises a base unit having one or more transmitter coils; and one or more components including a ferromagnetic, ferrite, or other magnetic material or layer, that modify the magnitude and/or phase of an electromagnetic field in one or multiple dimensions. When a mobile device, such as a phone, computing device, camera, kitchen appliance, automobile, or other electrical or electronic device having one or more receiver coils or receivers associated therewith, is placed in proximity to the base unit, the transmitter coil is used to inductively generate a current in the receiver coil or receiver associated with the mobile device, to charge or power the mobile device. In accordance with various embodiments, the base unit is provided within an automobile, for use in charging or powering one or more mobile devices within the automobile.

Abstract: A system and method for intelligent charging of multiple electric or electronic devices with a multi-dimensional inductive charger. In accordance with an embodiment, the system comprises a base unit having one or more transmitter coils; one or more receiver coils or receivers associated with one or more mobile device; one or more components including a ferromagnetic, ferrite, or other magnetic material or layer, that modify the magnitude and/or phase of an electromagnetic field in one or multiple dimensions; and one or more components within the base unit and/or the mobile device, for intelligent charging of multiple mobile devices. In accordance with various embodiments, the base unit can determine the presence of a mobile device in proximity to the base unit, and wherein a receiver coil or receiver thereby activated performs an initiation process whereby its ID, presence, power, voltage or other requirements are communicated to the base unit.

Abstract: A system and method for improved transfer efficiency in a multi-dimensional inductive charger. In accordance with an embodiment, the system comprises a base unit having one or more transmitter coils; one or more receiver coils or receivers associated with one or more mobile device; one or more components including a ferromagnetic, ferrite, or other magnetic material or layer, that modify the magnitude and/or phase of an electromagnetic field in one or multiple dimensions; and one or more components within the base unit and/or the mobile device, for improving transfer efficiency. In accordance with various embodiments, the system can include a ferromagnetic, ferrite, or other magnetic material or layer that acts as a switching layer.

Abstract: A system and method for providing positioning freedom, and support of different voltages, protocols, and power levels in a wireless power system. In accordance with an embodiment, the system comprises a base unit having one or more transmitter coils; one or more components including a ferromagnetic, ferrite, or other magnetic material or layer, that modify the magnitude and/or phase of an electromagnetic field in one or multiple dimensions; and one or more components within the base unit and/or the mobile device, for positioning freedom, and support of different voltages, protocols, and power levels. In accordance with various embodiments, the base unit and mobile device can communicate with each other prior to and/or during charging or powering to determine a protocol to be used to charge or power the mobile device.

Abstract: A system and method for improved efficiency and flexibility in inductive charging. In accordance with an embodiment, the system comprises a base unit having one or more primary coils, wherein each primary coil is configured so that when a current is passed through it, a magnetic field is generated in a direction substantially perpendicular to the plane of the primary coil; one or more secondary coils or receivers associated with one or more mobile device; and one or more components within the base unit and/or the mobile device, for improving efficiency and/or flexibility in inductive charging. When the one or more mobile device is placed in proximity to the base unit, the perpendicular magnetic field is used to inductively generate a current in the one or more secondary coils or receivers associated therewith, to charge or power the device.

Abstract: A system for intelligent initiation of an inductive charging process. In accordance with an embodiment, the system comprises a receiver coil or receiver associated with a mobile device, and provided as a separable or after-market accessory for use with the mobile device. When the mobile device is placed in proximity to a base unit having one or more charger coils, the charger coil is used to inductively generate a current in the receiver coil or receiver associated with the mobile device, to charge or power the mobile device. The base unit and mobile device communicate with each other prior to and/or during charging or powering to determine a protocol to be used to charge or power the mobile device.

Abstract: A system and method for inductive charging with support for multiple charging protocols. In accordance with an embodiment, the system comprises a base unit having one or more charger coils, for use in inductive charging; and one or more components within the base unit and/or a mobile device for supporting multiple different charging protocols, for use with the mobile device. When a mobile device having one or more receiver coils or receivers associated with, is placed in proximity to the base unit, the system determines a charging protocol for use with the charger coil to inductively generate a current in the receiver coil or receiver associated with the mobile device, to charge or power the mobile device.

Abstract: In the field of wireless power, to enable interoperability between chargers and receivers, it is important that the two parts of the system (the charger and receiver) can communicate in a manner that allows operation. With the proliferation of different communication schemes, a multi-protocol system that can adapt and interoperate with different communication protocols allows maximum interoperability. Described herein are systems and methods for providing such multi-protocol operation and maximum interoperability. Also described herein are methods for use of magnets in or around magnetically sensitive devices such that the operation of such a device is not impaired. Applications in various devices and systems are described. In particular, applications for fastening mobile devices to their cases or other surfaces, and also alignment or attachment for power transfer or charging are described.