Hangeul Keypad Layout for Faster Input and Easier Learning
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Solution Overview
Problem
Conventional Hangeul input methods, such as the Cheonjiin system and others, face issues with increased key operations and decreased input speed and convenience due to the configuration of consonant and vowel keys, where the number of consonant-assigned keys exceeds vowel-assigned keys, and function keys are not optimally positioned, making it difficult for users to input Hangeul efficiently and understand the input method.
Innovation Solution
A Hangeul input keypad and method where the number of basic vowel-assigned keys exceeds consonant-assigned keys, with a shift key placed adjacent to consonant keys that convert to extended consonants, and keys are separated by type to improve familiarity and operation speed, including a carriage return function key for convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the number of consonant-assigned keys is greater than the number of vowel-assigned keys in a conventional keypad, then consonants can be directly assigned to individual keys, but the number of key operations required for input increases and input speed decreases
Solution Approach 1:
The patent inverts the conventional keypad configuration by assigning more keys to vowels than to consonants. Specifically, it designs a keypad where 6 keys are assigned to basic vowels and only 4 keys are assigned to basic consonants, reversing the traditional approach and enabling more efficient input operations.
Solution Approach 2:
The patent segments the keypad into distinct vowel and consonant zones with separate key groups. The vowel keys are grouped together in a dedicated section, while consonant keys are grouped in another section, allowing users to efficiently access and combine them for Hangeul character input.
2Adaptability or versatility
If function keys such as additional stroke key are disposed at a generally used location without considering flow lines, then the keypad can accommodate all necessary functions, but the user's operation cannot be performed rapidly and smoothly
Solution Approach 1:
The patent applies local quality by placing the additional stroke key adjacent to the consonant key group rather than in a generic location. This strategic positioning ensures that the key is easily accessible during consonant input operations, creating a smooth operational flow without disrupting the overall keypad functionality.
3Device complexity
If the Cheonjiin system is used where real vowels are not directly available as keys, then the keypad can be configured with fewer vowel keys, but it is difficult for users to understand and become familiar with the input method
Solution Approach 1:
The patent enables users to directly input vowel sounds by pressing dedicated vowel keys that correspond to the actual vowel sounds in Hangeul. This self-service approach allows users to input vowels directly without needing to understand or memorize the abstract Cheonjiin composition system, significantly easing the learning curve.
Data Source
AI summary
The present invention relates to a Hangeul input keypad and a method using the same. Basic consonants and basic vowels are assigned to the Hangeul input keypad, the number of the basic consonant-assigned keys is less than that of the basic vowel-assigned keys, the consonant keys and the vowel keys are disposed separately, and a shift key converting the basic consonants to extended consonants is disposed adjacent to the consonant keys to which the basic consonants convertible to the extended consonants are assigned.The Hangeul input keypad and method according to the present invention improves speed of Hangeul input, provides convenience in operation of consonant keys and a shift key, and ease of a user's learning of the Hangeul input method by optimizing the disposition of the consonants and vowels.