Sensing device
May 23, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesAbsolute position controller Optical stylus and passive digitizing tablet data input system Optical position determination Pen and paper information recording system Pen and paper information recording system using an imaging pen Formless forms and paper web using a reference-based mark extraction technique Absolute optical position determination Scanning mouse for a computer system Methods and systems for providing human/computer interfaces Method and apparatus for pen-based faxing InventorsAssigneeApplicationNo. 09575174 filed on 05/23/2000US Classes:382/313, Hand-held382/312, IMAGE SENSING382/314, Sensing mechanism in stylus382/188Writing on ordinary surface (i.e., electronics are in pen)ExaminersPrimary: Boudreau, Leo H.Assistant: Dang, Duy M. Foreign Patent References
International ClassesG06K009/32G06K009/00 AbstractA sensing device for sensing region identity data and generating movement data when the sensing device is moved relative to a region of a surface, the region identity data being indicative of an identity of the region, the movement data being indicative of the movement of the sensing device relative to the region, the surface having disposed upon it coded data indicative of at least one region associated with the surface, the sensing device including: region identity sensing means configured to sense the region identity data using at least some of the coded data; motion sensing means configured to generate the movement data; and communications means configured to communicate the region identity data and the movement data to a computer system.Other References
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