Abstract: A computing system includes a plurality of mobile modules, each having a multitude of possible computing states, and a plurality of docking modules, each docking module having an interface by means of which said docking module is capable of being removably connected to at least one of the powerless mobile modules. Each powerless mobile module has a central processing unit, a memory, a disk, and a docking interface, each powerless mobile module also having therein at least software for recording in that mobile module the state of that mobile module prior to that module being removed from connection to a docking module. The mobile module automatically reconfigures when connected to a docking module. It is preferred that the connection between the docking modules and the mobile modules be wireless. It is also preferred that the mobile module have no display permanently connected thereto.

Abstract: An apparatus is disclosed for processing an input signal. The apparatus includes two feedback loops for generating output signal components from the input signal. Each loop contains an oscillator, which has a frequency or phase which is variable in response to a control signal, and a comparator for generating the control signal. The oscillator generates a loop output signal which forms one of the components of the output signal. The apparatus also includes a combiner for combining the loop output signals to produce the output signal. For each loop, the apparatus also produces a feedback loop operating signal, these signals being dependent on the output signal and in phase quadrature with one another. One input of the comparator in each loop receives the feedback loop operating signal, and the other input of the comparator receives a component of the input signal.

Abstract: A highly efficient linear amplifier and/or modulator and demodulator comprising first and second feedback loops is provided. Each loop processes a component of the input signal and the component signals are recombined at, for example, a summing junction 18. The feedback signals for each loop are dependent upon the output signal and are in phase quadrature. The input signal is separated into I and Q signals, which are also in phase quadrature, by a component separator 10.