Abstract
Why the mouse and the keyboard are the necessary input devices for a normal computer? A mouse can handle the Graphic User Interface (GUI) very well and a keyboard can help users to input text as a Text User Interface (TUI). However, there is no fundamental reason that GUI and TUI must be performed by separate input devices. The objective of this paper is to propose a multi-functional micro input device, which can handle both graphical based and text based input interfaces. The first prototype of a micro-input-devices system (MIDS) has been built by our research group. The MIDS is composed of sensors and processors that are used to process fingertip motion information and can be packaged in rings wearable by fingers. The motion information from the fingers could then be passed on to a wristwatch containing signal analyzers and potentially wireless transmitters to communicate with mobile computing devices wirelessly. In this paper, the performance of our MIDS system in measuring fingertip motion is compared to measurements acquired using high cost and high performance acceleration sensors. Our experimental results proved that MIDS is a viable approach to replace the mouse and the keyboard.
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