A rotational mouse is a type of computer mouse which attempts to expand traditional mouse functionality. The objective of rotational mice is to facilitate three degrees of freedom (3DOF) for human-computer interaction by adding a third dimensional input, yaw (or Rz), to the existing x and y dimensional inputs. There have been several attempts to develop rotating mice, using a variety of mechanisms to detect rotation .
Read more about Rotational Mouse: Mechanisms To Detect Rotation, Mechanisms Using Absolute Measures of Rotation, Related Devices
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