Keyboard Finger Guide Tactile Protrusions
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Solution Overview
Problem
Current keyboards lack features to guide users' fingers accurately, especially in less than optimal conditions such as low light or when using virtual reality headsets, leading to increased typing errors due to the identical shape and size of alphanumeric keys.
Innovation Solution
A keyboard finger guide device with elongated dividers and curvilinear guides made from malleable, resilient materials that extend above or level with the keyboard keys, providing tactile guidance for proper finger placement, and a keyboard with integrated protrusions on select keys to align fingers according to the 10-finger typing method.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If all alphanumeric keys are made with identical shape and size, then manufacturing is simplified and keyboard design is standardized, but users cannot easily locate proper finger placement especially in low light conditions
Solution Approach 1:
The patent applies local quality by adding tactile indicators (protrusions or ridges) only to specific keys (typically the home row keys F and J) while leaving other keys uniform. This creates localized tactile differences that guide finger placement without requiring all keys to be non-uniform, thus maintaining manufacturing simplicity while improving operational ease.
Solution Approach 2:
The patent introduces tactile indicators as an intermediary element between the uniform keyboard surface and the user's fingers. These indicators serve as a mediator that provides tactile feedback and guidance without altering the fundamental uniform structure of the keyboard, resolving the contradiction between uniformity and guidance.
2Ease of operation
If rigid frames extend far above the keyboard to guide finger placement, then users receive clear tactile guidance, but the devices become prone to separation and loss
Solution Approach 1:
The patent transitions from three-dimensional rigid frames extending above the keyboard to two-dimensional tactile indicators integrated into the keyboard surface. This dimensional reduction eliminates the height-related stability problems while maintaining tactile guidance functionality through subtle surface variations.
Solution Approach 2:
The patent merges the finger guidance function directly into the keyboard structure by integrating tactile indicators as part of the key surface or substrate. This integration eliminates the separation issue between guidance devices and keyboard while maintaining the guidance function, resolving the reliability problem.
3Ease of operation
If tactile indicators extend above the top surface of keyboard keys, then constant tactile feedback is provided for proper finger placement, but the profile of the keyboard increases
Solution Approach 1:
The patent applies partial action by providing tactile feedback only at the necessary location (home row keys) rather than across the entire keyboard surface. The indicators extend slightly above the key surface just enough to provide tactile guidance when fingers are placed, without creating excessive overall keyboard profile height.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enhances accurate finger placement and reduces typing errors by providing constant tactile feedback, allowing users to maintain proper hand positioning without visual reference, especially in challenging conditions.
Implementation Method 1
The guides can be constructed from a malleable and resilient material and can extend above the top surface of the keyboard keys. The guides can function to provide a constant guide for the first two fingers of a user's left and right hands in the typing position at rest, to reinforce proper placement through constant positive tactile contact.
Data Source
AI summary
A keyboard finger guide device includes an elongated divider this is positionable horizontally between two rows of a keyboard, and a plurality of curvilinear guides that are secured to the divider perpendicularly and are positionable vertically between a plurality of individual keys of the keyboard. The guides extend above the top surface of the keyboard keys to provide a constant guide for the first two fingers of a user's left and right hands in the typing position at rest. A keyboard with an integrated finger guide is also provided. The keyboard including a plurality of keys having protrusions along a top surface to act as a guide for receiving and aligning a users fingers according to a 10-finger typing method.