Handheld Input Device With Sensing Strip
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Solution Overview
Problem
Existing user input devices, such as keyboards and mice, require a flat surface for operation, limiting their use in various positions and environments, and do not efficiently facilitate text input or cursor control without a supporting surface.
Innovation Solution
A hand-held user input device with a sensing strip that detects one-dimensional motion and position of a user's finger or thumb, allowing cursor movement and text input, and optionally includes an orientation sensor to influence cursor orientation, enabling operation without a surface and providing haptic and audible feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional input devices like keyboards and mice are used, then text input and cursor control functions are provided, but a flat surface is required for operation which limits usability in various positions and environments
Solution Approach 1:
The patent transitions from two-dimensional surface-based input devices to a three-dimensional hand-held device that detects finger motion in multiple dimensions. The sensing strip detects one-dimensional finger motion while the device itself operates in three-dimensional space, allowing cursor control without requiring a flat supporting surface.
Solution Approach 2:
The patent replaces the mechanical surface-dependent operation of traditional mice and keyboards with an optical sensing system. The sensing strip uses optical detection to sense finger position and motion, eliminating the need for mechanical contact with a flat surface and enabling operation in various orientations.
2Productivity
If traditional input devices are used, then cursor control is achieved, but the devices do not efficiently facilitate text input or operation without a surface
Solution Approach 1:
The hand-held input device is designed to perform multiple functions including cursor control, text input, and operation in various orientations using a single integrated device. The sensing strip and processing system handle both positioning and text input tasks, eliminating the need for separate keyboard and mouse devices.
Solution Approach 2:
The device incorporates dynamic elements including a flexible sensing strip that can detect finger motion, and a display that dynamically presents alphabetical scales that can be zoomed and scrolled. The system adapts its interface based on user interaction, providing efficient text input through dynamic presentation of character options.
Data Source
AI summary
A user input device is described. In an embodiment the user input device is hand held and comprises a sensing strip to detect one-dimensional motion of a user's finger or thumb along the sensing strip and to detect position of a user's finger or thumb on the sensing strip. In an embodiment the sensed data is used for cursor movement and/or text input at a master device. In an example the user input device has an orientation sensor and orientation of the device influences orientation of a cursor. For example, a user may move the cursor in a straight line in the pointing direction of the cursor by sliding a finger or thumb along the sensing strip. In an example, an alphabetical scale is displayed and a user is able to zoom into the scale and select letters for text input using the sensing strip.