Importance

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Abstract

A position indication device, e.g., for controlling the position of a cursor or other object on the screen of a display monitor of an information processing system, includes a position plate that is translationally movable by a user to indicate a corresponding change in position on the display screen and a retention system that restricts the plate movement to the plane of the plate and retains the position plate in its new position notwithstanding a non-horizontal orientation of the position indication device or inadvertent jostling of the device. In alternative embodiments, the position indication device includes an adapter to receive a conventional computer mouse, and the position plate can be of a flexible material in order to fold underneath itself and thereby permit a more compact construction. A hand- or finger- conforming grip for the position indication device is also disclosed.

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First Claim