Author: Umakant Mishra
Abstract:
The most commonly used Japanese alphabets are Kanji,
Hiragana and Katakana. The Kanji alphabet includes pictographs or ideographic
characters that were adopted from the Chinese alphabet. Hiragana is used to
spell words of Japanese origin, while Katakana is used to spell words of
western or other foreign origin.
Two methods are commonly used to input Japanese to the
computer. One, the “kana input method” that uses a keyboard having 46 Japanese
iroha (or kana) letter keys. The other method is “Roma-ji input method”, where
the Japanese letters are composed of English input from a standard QWERTY
keyboard. Both the methods have their advantages and disadvantages.
This article analyses two inventions on inputting Japanese
language through a computer keyboard. One invention uses a standard English
keyboard to input Japanese characters, the other invention uses a standard
mobile phone key board to input the Japanese characters.
Keywords: TRIZ, Computer Keyboard, Computer Hardware,
Hardware Inventions, Computer Patents, Inventive Problem Solving, Keyboard
design, keyboard inventions, Japanese keyboard, Japanese language, PinYin
system, Kanji alphabet, Hiragana and Katakana, Japanese iroha, Stroke input
encoding, Stoke from encoding, gojyuon table
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