Patent ID: 8780040
Filing Date: 2014-07-15
Classification: G06F

Abstract:
1. A handwriting input device comprising: a housing; a head received in the housing and comprising a nib, the nib capable of being exposed from a bottom side of the housing or hidden in the housing; a circuit board housed in the housing; a pressure sensor electrically connected to the circuit board and to generate pressure signals when the nib is depressed; a motion sensor electrically connected to the circuit board and to sense movement of the handwriting input device; a microcontroller electrically connected to the circuit board and to record the sensed movement within a period of receiving the pressure signals, and further to process the recorded movement to obtain track signals of handwritten information when the duration of not receiving the pressure signals exceeds a predetermined time interval; and a communication module to transmit the track signals of the handwritten information to an external electronic device communicating with the handwriting input device.