 JIS X 0201 8-bit code page | |
| MIME / IANA | 8-bit: JIS_X02017-bit Roman: JIS_C6220-1969-ro7-bit Kana: JIS_C6220-1969-jp |
|---|---|
| Alias(es) | JIS C 6220 8-bit: csHalfWidthKatakana Roman: ISO646-JP, iso-ir-14 Kana: iso-ir-13, x0201-7 |
| Language(s) | Japanese (basic support), English |
| Standard | JIS X 0201:1969 |
| Classification | ISO 646, Extended ISO 646 |
| Preceded by | Wabun code, JIS C 0803 |
| Succeeded by | Shift JIS |
| Other related encoding(s) | N-byte Hangul code |
JIS X 0201, a Japanese Industrial Standard developed in 1969, was the first Japanese electronic character set to become widely used. The character set was initially known as JIS C 6220 before the JIS category reform. Its two forms were a 7-bit encoding or an 8-bit encoding, although the 8-bit form was dominant until Unicode (specifically UTF-8) replaced it. The full name of this standard is 7-bit and 8-bit coded character sets for information interchange (7ビット及び8ビットの情報交換用符号化文字集合).
The first 96 codes comprise an ISO 646 variant, mostly following ASCII with some differences, while the second 96 character codes represent the phonetic Japanese katakana signs. Since the encoding does not provide any way to express hiragana or kanji, it is only capable of expressing simplified written Japanese. Nevertheless, this simplification can represent the full range of sounds in the language. In the 1970s, this was acceptable for media such as text mode computer terminals, telegrams, receipts, or other electronically handled data.
JIS X 0201 was supplanted by subsequent encodings such as Shift JIS, which combines this standard and JIS X 0208, and later by Unicode.