Today the US Patent & Trademark Office published a patent application from Apple that relates to wireless charging. Apple has four wireless charging patents published this year alone which could viewed here. In Apple's fifth wireless charging patent for 2017, they note that challenges can arise in implementing wireless charging and communications system. If care isn't taken, sensitivity to antenna misalignment and other issues can make it difficult or impossible to achieve desired levels of performance when integrating antennas and other structures into devices of interest. Apple's invention is designed to improve wireless circuitry systems using patch antennas.
According to Apple, an electronic device may use the wireless circuitry to transfer power wirelessly to external equipment or to communicate wirelessly with external equipment. Patch antennas may be used for wireless power transfer at microwave frequencies or other frequencies and may be used to sup...Read more