Condensed Keyboard Layout for Fast Text Input on Portable Devices
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Solution Overview
Problem
Current portable electronic devices face challenges in providing compact keyboards that allow users to maintain rapid text input using touch typing skills, as existing reduced-size keyboards often require steep learning curves, slow input rates, or are cumbersome due to their design.
Innovation Solution
A condensed keyboard system with two sets of keys for each hand, allowing multiple characters to be generated based on key manipulation, including square keys with dimensions between 0.5 and 1 inch, and configurable mappings to accommodate different keyboard formats, along with display cues for assistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the keyboard size is reduced to make portable devices more compact, then the device size is improved, but the typing speed and ease of operation deteriorate
Solution Approach 1:
The patent introduces a temporal dimension to key interaction by allowing keys to generate multiple characters based on the duration and pattern of key presses. This transforms a traditionally spatial problem (more keys needed for more characters) into a temporal solution (one key produces multiple characters over time), enabling compact keyboard design while maintaining high typing speed through multi-character generation from single key presses
2Volume of moving object
If the number of keys is reduced to increase compactness, then the device size is improved, but the learning curve and difficulty of operation increase
Solution Approach 1:
Each key on the condensed keyboard is designed to perform multiple functions by generating different characters based on manipulation patterns. This multi-functionality reduces the total number of keys needed while maintaining comprehensive character coverage, making the device more compact without significantly increasing the learning curve since users leverage their existing touch typing skills on a condensed layout
Solution Approach 2:
The patent changes the parameter of key manipulation from simple binary press/not-press to continuous variation based on press duration and pattern. This allows a single key to produce multiple characters, reducing the total key count for compactness while keeping the interface intuitive for users with touch typing skills who can adapt to the condensed layout
3Productivity
If traditional full-sized keyboards are used to maintain typing speed, then the typing speed is preserved, but the device becomes bulky and less portable
Solution Approach 1:
The patent adds a temporal dimension to key functionality where keys generate multiple characters based on press duration and pattern recognition. This allows a condensed keyboard with fewer keys to achieve typing speeds comparable to full-sized keyboards, as users can input multiple characters through sustained or patterned key presses rather than requiring separate keys for each character
Solution Approach 2:
The patent merges the functionality of multiple traditional keys into single condensed keyboard keys. By combining multiple character-generation capabilities into one key through temporal manipulation patterns, the overall keyboard size is reduced while maintaining the typing speed necessary for productive use
Data Source
AI summary
Apparatuses and systems for generating characters for electronic devices using condensed keyboards are disclosed. One embodiment comprises a keyboard that monitors two sets, of keys, one for each hand, for manipulation and desired character generation. The keyboard generally has four or more keys for each hand, and the keyboard may be located on the back and/or sides of a portable electronic device. One or several of the keys may generate multiple characters, depending on how the user manipulates the key while depressing it. A further embodiment may display cues of help information on a display screen of the system, assisting users in typing with the keys since the users may be unable to easily observe their fingers. That is to say, some embodiments may provide support for people with no touch-typing skills and accommodate key configurations on the back of devices with an embodiment keyboard.