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Chouon Input in Romaji-Katakana Mode

IP.com Disclosure Number: IPCOM000100489D
Original Publication Date: 1990-Apr-01
Included in the Prior Art Database: 2005-Mar-15
Document File: 2 page(s) / 37K

Publishing Venue

IBM

Related People

Ono, K: AUTHOR [+2]

Abstract

Disclosed is a software algorithm for obtaining a Chouon symbol "-" by keying the same vowel as the preceding vowel, instead of keying the Chouon symbol, in the Romaji-Katakana mode for inputting Japanese characters.

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Chouon Input in Romaji-Katakana Mode

       Disclosed is a software algorithm for obtaining a Chouon
symbol "-" by keying the same vowel as the preceding vowel, instead
of keying the Chouon symbol, in the Romaji-Katakana mode for
inputting Japanese characters.

      When a vowel key is depressed, the vowel is interpreted to a
character depending on the character preceding the vowel.  If the
preceding character is a consonant, the vowel is accompanied with the
consonant to represent an independent character.  If the preceding
character is a vowel different from the current vowel, the current
vowel represents the corresponding vowel.  If the preceding character
is the same vowel as the current one, the current vowel is
interpreted to be the Chouon symbol.

      For example, when "NYU-YO-KU" (New York) is to be input in the
Romaji-Katakana mode, the operator can key in "NYUUYOOKU" instead of
"NYU-YO-KU".  This double vowel keying operation is much easier for
the operator than keying the Chouon symbol.

      The Chouon input algorithm is shown in the flow chart.