File:Underwood 4-bank keyboard for Japanese katakana.png
Original file (2,260 × 1,050 pixels, file size: 426 KB, MIME type: image/png)
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| 4 | Upper | モドシ (Backspace) | Small フ (HU) | ァ (Small A) | ゥ (Small U) | ェ (Small E) | ォ (Small O) | ャ (Small YA) | ュ (Small YU) | ョ (Small YO) | ヮ (Small WA) | Small ホ (HO) | ヒョウ (Tab) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lower | フ (HU) | ア (A) | ウ (U) | エ (E) | オ (O) | ヤ (YA) | ユ (YU) | ヨ (YO) | ワ (WA) | ホ (HO) | |||
| 3 | Upper | / | % | ィ (Small I) | ¥ (Yen sign) | " | _ | ? | ( | ) | ゜ (Semi-voiced sound mark) | 「 (Left corner bracket) | トメ (Shift lock) |
| Lower | タ (TA) | テ (TE) | イ (I) | ス (SU) | カ (KA) | ン (N) | ナ (NA) | ニ (NI) | ラ (RA) | ゛ (Voiced sound mark) | . (Full stop) | ||
| 2 | Upper | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | - | |
| Lower | チ (TI) | ト (TO) | シ (SI) | ハ (HA) | キ (KI) | ク (KU) | マ (MA) | ノ (NO) | リ (RI) | レ (RE) | , | ||
| 1 | Upper | ウエ (Shift) | ッ (Small TU) | セ (SE) | ソ (SO) | ヘ (HE) | ケ (KE) | ム (MU) | メ (ME) | ヌ (NU) | ロ (RO) | ' | ウエ (Shift) |
| Lower | ツ (TU) | サ (SA) | ヲ (WO) | ヒ (HI) | コ (KO) | ミ (MI) | モ (MO) | ネ (NE) | ル (RU) | ー (Prolonged sound mark) |
| Description |
English: Four-bank keyboard for Japanese katakana typewriters. Burnham Coos Stickney at the Underwood Typewriter Company designed this keyboard in 1923 for Japanese businessman Yoshitaro Yamashita. The JIS X 6002:1980 keyboard layout for computers was an offspring of it. |
| Date | |
| Source | U.S. Patent No. 1,549,622 http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=1549622 |
| Author | Burnham Coos Stickney |
| Permission (Reusing this file) |
United States Patent illustration |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:24, 2 November 2006 | | 2,260 × 1,050 (426 KB) | Kimura Aichi | <table> <tr><th rowspan="2">4</th> <th>Upper</td> <td rowspan="2">モドシ (Backspace)</td> <td>Small フ (HU)</td> <td>ァ (Small A)</td> <td>ゥ (Small U)</td> <td>ェ (Small E)</td> <td>ォ (Small O)</td> <td>ャ (Small YA)</td> <td>ュ (Small YU)</td |
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