光學字符識別 (Unicode區段)
(重定向自光學識別符 (Unicode區段))
光学字符识别是一个Unicode块,包含光學字符識別和MICR标准的信号字符。
光學字符識別 Optical Character Recognition | |
---|---|
範圍 | U+2440..U+245F (32個碼位) |
平面 | 基本多文種平面(BMP) |
文字 | Common |
符號系列 | OCR controls |
已分配 | 11個碼位 |
未分配 | 21個保留碼位 |
來源標準 | ISO 2033 |
統一碼版本歷史 | |
1.0.0 | 11 (+11) |
碼表 | |
點擊此處 | |
註釋:[1][2] |
光學字符識別[1][2] Official Unicode Consortium code chart (PDF) | ||||||||||||||||
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | |
U+244x | ⑀ | ⑁ | ⑂ | ⑃ | ⑄ | ⑅ | ⑆ | ⑇ | ⑈ | ⑉ | ⑊ | |||||
U+245x | ||||||||||||||||
备注 |
歷史
以下Unicode文檔記錄了在本區塊中定義特定字符的目的與過程:
版本 | 最終碼位[a] | 碼位数 | L2 ID | WG2 ID | 文檔 |
---|---|---|---|---|---|
1.0.0 | U+2440..244A | 11 | (to be determined) | ||
L2/10-416R | Moore, Lisa, Consensus 125-C39, UTC #125 / L2 #222 Minutes, 2010-11-09, Create two formal aliases, U+2448 MICR ON US SYMBOL and U+2449 MICR DASH SYMBOL for Unicode 6.1. | ||||
N4103 (页面存档备份,存于互联网档案馆) | T.3. Optical Character Recognition, Unconfirmed minutes of WG 2 meeting 58, 2012-01-03 | ||||
L2/22-065 | Whistler, Ken, Opt Subject: Unicode 14.0 "Optical Character Recognition" code chart [Affects U+2447], Editorial Committee Report and Recommendations for UTC #171Meeting, 2022-04-13 | ||||
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参考资料
- ^ Unicode character database. The Unicode Standard. [2016-07-09]. (原始内容存档于2021-02-18).
- ^ Enumerated Versions of The Unicode Standard. The Unicode Standard. [2016-07-09]. (原始内容存档于2020-12-19).