Abstract: An electronic system which includes a power delivery surface that delivers electrical power to an electrical or electronic device. The power delivery surface may be powered by any electrical power source, including, but not limited to: wall electrical outlet, solar power system, battery, vehicle cigarette lighter system, direct connection to electrical generator device, and any other electrical power source. The power delivery surface delivers power to the electronic device wirelessly. The power delivery surface may deliver power via a plurality of contacts on the electrical device conducting electricity from the power delivery surface. The electrical device may be mobile device. Each contact may be shaped to improve power delivery reliability. The power delivery surface may further include circuitry to protect against accidental electrocutions.

Abstract: Disclosed is a protection circuit for protecting a rectifier circuit from electrostatic pulses. The circuit employs a first bypass capacitor that is connected between positive and negative power lines to bypass electrostatic pulses that have a rise time that allows the diodes to conduct and prevent damage to the diodes as a result of reverse biasing, and a second bypass capacitor that is connected between an input node and the negative power line to discharge the electrostatic pulses that have a rise time that is faster than the turn-on times of the diodes. Connection of the bypass capacitors at locations close to the rectifying diodes minimizes the effects of stray inductance that affects the operation of the rectifier circuit in response to fast rise time transient pulses.

Abstract: Geometrically complimentary magnetic field structures are adapted for efficient power transfer by induction from a planar power delivery surface to a power receiving device. Planar surface electro-magnetic coil pole areas for power delivery and receiver coil assemblies as well as several would coil apparatus and configurations are included.

Abstract: A charging system comprises circuitry adapted to devices to be charged, including a power receiver module embedded or molded into form-fit case, e.g., gel-skin, that attaches physically and electrically to the device to be charged and that effectively receives power either conductively or inductively from a power delivery surface of a recharging pad on which the devices are placed.

Abstract: An electronic system includes a power delivery support structure having a power delivery surface with first and second conductive regions. An electronic device includes a plurality of contacts arranged so at least one of them engages the first conductive region and at least another of them engages the second conductive region independently of the orientation of the device relative to the power delivery surface.

Abstract: An electronic system which includes a power delivery surface that delivers electrical power to an electrical or electronic device. The power delivery surface may be powered by any electrical power source, including, but not limited to: wall electrical outlet, solar power system, battery, vehicle cigarette lighter system, direct connection to electrical generator device, and any other electrical power source. The power delivery surface delivers power to the electronic device wirelessly. The power delivery surface may deliver power via a plurality of contacts on the electrical device conducting electricity from the power delivery surface. The electrical device may be mobile device. Each contact may be shaped to improve power delivery reliability. The power delivery surface may further include circuitry to protect against accidental electrocutions.

Abstract: A linear contact array comprising three contacts is provided for wire-free electric power extraction from a power delivery pad for mobile electronic devices. The linear contact array is configured to assure effective contact for power transfer from the power delivery pad and the mobile electronic device anywhere on the power delivery surface for a range of angular orientations of the linear array in relation to the power delivery surface.