Electronic writing systems and methods

Details Electronic writing systems and methods Electronic writing systems and methods

2008-03-11

2008-03-11

Awad, Amr A. (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Stylus

C382S314000, C178S019050

Reexamination Certificate

active

07342575

ABSTRACT:
Electronic writing systems and methods are described. In one aspect, an electronic writing system includes an elongated housing, an inertial sensor, an optical sensor, and a tracking module. The elongated housing has an optical input. The inertial sensor is attached to the housing and is operable to generate data indicative of movement of the housing relative to an inertial reference frame. The optical sensor is attached to the housing and is operable to generate data from light received through the optical input. The tracking module is operable to compute relative displacement data from inertial movement data corresponding to data generated by the inertial sensor. The tracking module also is operable to detect at least one calibrated position from calibration data encoded in optical data generated from light received by the optical sensor.

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