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JRM Vol.13 No.2 pp. 134-139
doi: 10.20965/jrm.2001.p0134
(2001)

Paper:

Novel Device for Inputting Handwriting Trajectory

Yasuhiro Sato*, Mitsuru ShingYouuchi**, Toshiyuki Furuta*, and Tomohiko Beppu*

*1st Office System Development Department, Office System Research and Development Center, Research and Development Group, RICOH COMPANY, LTD.

**Alpha Task Force, RICOH COMPANY, LTD. 16-1 Shinei-cho, Tsuzuki-ku Yokohama, Japan

Received:
October 2, 2000
Accepted:
November 7, 2000
Published:
April 20, 2001
Keywords:
handwritten input apparatus, inertial sensing, accelerometer, gyroscope
Abstract

A pen-shaped input apparatus for inputting drawings, symbols, characters into a data processing device, such as a computer, is developed. It can trace a handwritten 2-dimensional trajectory using built-in inertial sensors. As sensors, it has 3 accelerometers and 3 gyroscopes. By detecting accelerations about 3 axes and angular rates around them as 6 degrees of freedom, it can represent the 2-dimensional trajectory of the pen tip after additional calculation. Velocity correction enables precise trajectories to be represented with a small integration error. Experimental results demonstrate the feasibility of this device as a handwritten input apparatus.

Cite this article as:
Yasuhiro Sato, Mitsuru ShingYouuchi, Toshiyuki Furuta, and Tomohiko Beppu, “Novel Device for Inputting Handwriting Trajectory,” J. Robot. Mechatron., Vol.13, No.2, pp. 134-139, 2001.
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