The U.S. Patent & Trademark Office today published two of Apple's newly granted patents relating to an electric circuit design and just-in-time dynamic loading of software libraries, which the company could apply to its forthcoming iPhone and other future embedded Mac OS X-based digital devices. The first patent, titled "Method and apparatus for 'just-in-time' dynamic loading and unloading of computer software libraries," relates to a method and apparatus for dynamically loading and unloading software library modules as needed on a "just-in-time" basis. The second, titled "Method and apparatus for selectively increasing the operating speed of an electronic circuit," relates to a method an dapparatus for selectively increasing the operating frequency of an electronic circuit.