Patent ID: 6118084
Filing Date: 2000-09-12
Classification: G06F

Abstract:
A pointer position detection system for use in determining the position of a pointer relative to a tablet comprising:signal generating means coupled to said tablet for transmitting a driving signal;movable pointer means responsive to said transmitted driving signal, said pointer means including signal processor means responsive to said driving signal for processing information contained in said driving signal and for generating a processed signal indicative thereof, said pointer means further including storage means for storing energy from said driving signal, said storage means being coupled to said signal processor means, said pointer means further including transmitting means coupled to said signal processing means for transmitting said processed signal, said transmitting means being adapted to transmit said processed signal using said stored energy in said storage means from said driving signal when said signal generating means is not transmitting said driving signal; andsignal detecting means for detecting said transmitted processed signal.