Japan TRON keyboard

By Xah Lee. Date: . Last updated: .

The TRON keyboard is developed by Professor Ken Sakamura, in 1980s, as part of the TRON OS project.

[see TRON Operating System, TRON Encoding]

TRON keyboard is no longer made.

TRON keyboard comes with its own input method for Japanese. It is design to input Japanese efficiency.

Note the English letters printed in front of keys. It is the Dvorak Keyboard Layout.

Press the 英语 (on left thumb area) to go to English mode. When in English mode, pressing the keys inserts English alphabets.

Press the 日本语 (on right thumb area) to go to Japanese (hiragana) mode. When in Japanese mode, pressing the keys inserts hiragana (Japanese phonetics).

TRON Keyboard Unit TK1 001 KeysUp-s1520x831
TRON Keyboard Unit TK1 001. image source 1900×1039

Some interesting features:

• special left thumb shift key (colored red) and right thumb shift key (colored blue). This triples a key's use. But, it also create the awkward hand strain when you need to press thumb and a key of the same hand.

• the number row contains curly quotes , and many Asian brackets .

TRON keyboard OKI front
TRON keyboard. image source 2560×1709

The key's physical layout is a bit strange. On the left side, note the large gap between A and O. Same thing for the right hand on N and S. If you are typing English on this keyboard, that might be a problem.

Some references about the TRON keyboard design:

tron keyboard anime cover 52785
TRON keyboard on Japan comics book cover. The Legend of Koizumi, Volume 15, “Senkaku Islands Bloody Battle”. by Hideki Oohwada, Kindai Mahjong Comics. (ムダヅモ無き改革 15 (近代麻雀コミックス) | 大和田 秀樹 )
《小泉麻將傳說》第15集, “血战钓鱼岛”.

Mudazumo Naki Kaikaku (ムダヅモ無き改革 Reform with No Wasted Draws, also known in English by its initial subtitle The Legend of Koizumi) is a satirical mahjong manga by Hideki Ohwada.

It was initially irregularly serialized in the Kindai Mahjong Original manga magazine published by Takeshobo, then switched to bimonthly serialization on Takeshobo's other mahjong manga magazine Kindai Mahjong in April 2009.

The premise of the manga is that international diplomacy is settled on the mahjong table, with real-life politicians depicted as masters of mahjong.

The Japanese title is a parody of Junichiro Koizumi's slogan, “Reform with No Sanctuary” (聖域無き改革 Seiiki Naki Kaikaku).

《小泉麻將傳說》(日語:ムダヅモ無き改革,英语:The Legend of Koizumi,即小泉傳奇),是日本漫畫家大和田秀樹的麻將漫畫,從2006年起不定期連載於竹書房《近代麻雀original》上,在2009年4月起改至《近代麻雀》上連載。

[2018-02-18 Mudazumo Naki Kaikaku]

μTRON keyboard

A modern (2007) version of the TRON keyboard is:

utron keyboard 02
μTRON Keyboard

Esrille New Keyboard

A year 2014 version of the TRON keyboard design is the Esrille New Keyboard.

Esrille keyboard M-system keyboard 2014-10-21
Esrille keyboard and M-system keyboard 〔source Shiki Okasaka

#新キーボード , NISSEとM式キーボード。

 日本語入力のため配列としてときどき紹介しているM式用のNEC製の純正のキーボード「楽々キーボード」とNISSEを並べて写真を撮ってみました。楽々キーボードは1995年にPC-9801用に作られたもののようです[1] [http://kbd.rzw.jp/alps/nec_pc-9801-98-s02/ ] 。標準品としては、このモデルの後1998年に作られた「エルゴフィットキーボード」[2] [http://www.nec.co.jp/press/ja/9809/2401.html ] が最後のM式キーボードになるようです。『1年間で2万台の販売を見込んでおります』とありますので、今でも実際に使われているものがありそうですね。

 M式は試作品の段階ではNISSEのように扇型のデザインで作られていた[3] [https://plus.google.com/+ShikiOkasaka/posts/HykmMyZMXnK ] ものが、その『試作品に基づき,工業製品としての見地から改良を図っ』て、エルゴノミック要素は比較的強く残したまま格子状のデザインのPC-8801-KI[4] [http://www7.ocn.ne.jp/~hisao/image/8801KI.htm ] として最初に製品化されて、徐々に写真のようなエルゴノミック要素の少ないものに落ち着いていったようです。TRONキーボードもオリジナルのエルゴノミック要素満載のものは標準品としては1991年のTK-1のみで収束していて、現在はエルゴノミック要素の少なくなったμTRONキーボードの方が販売されていたりするのと流れとしては似ている感じだったのかもしれません。

 NISSEは、『一個でも一万個でもなく「二〇〇個」を作る技術を』という奥山清行さんの著書[5] [http://www.amazon.co.jp/exec/obidos/asin/4569809529/ ] に影響を受けて作ってきていることを以前書いたのですが、収束してしまったM式キーボードの最後の製品が『1年間で2万台の販売を見込んで』いたというのを見ると『「二〇〇個」を作る技術を』という言葉の意味が改めて伝わってくるようにも思います。


I tried to take a photo side by side NISSE as “Easy Keyboard” keyboard of genuine NEC-made M-type for which you are introduced from time to time as an array for Japanese input. Easy is like those made in PC-9801 for the 1995 keyboard [1] [http://kbd.rzw.jp/alps/nec_pc-9801-98-s02/ ] . As a standard, it was made in 1998 after this model “Ergo Fit Keyboard” [2] [http://www.nec.co.jp/press/ja/9809/2401.html ] seems to be M-type keyboard last. We are right to be “we expect to sell 20,000 units in one year”, those that are actually used even now It seems there.

At the stage of prototype had been made in the design of the fan-shaped as NISSE [3] [https://plus.google.com/+ShikiOkasaka/posts/HykmMyZMXnK ] things, “Based on the prototype, it is working to improve from the point of view as industrial products” Te, M expression The comparison ergonomic elements it is the product initially, it seems went to calm with less ergonomic elements such as photo gradually as [4] [http://www7.ocn.ne.jp/~hisao/image/8801KI.htm ] PC-8801-KI design of grid-like leaving strongly subject. As a stream those of ergonomic elements packed original have converged only TK-1 in 1991 as a standard also TRON keyboard, towards the μTRON keyboard that became less of ergonomic elements and to them being sold now It does not may have been felt are similar.

NISSE Although I wrote earlier that it has been made to the influence book of Ken Okuyama's called “the art of making” two hundred individuals “without also one million units even one” [5] [http://www.amazon.co.jp/exec/obidos/asin/4569809529/ ] , meaning of the word “the art of making” two hundred individual “” is again Looking “expects to sell 20,000 units in one year” from that was a product of the end of the M-type keyboard you have already converged I think it also comes to.


Esrille keyboard 80052
Esrille New keyboard

Sukerutoron ST-2000 TRON Keyboard

Japan Sukerutoron ST-2000 TRON Keyboard

NEC 日本電気 M-Type keyboard

NEC keyboard pk kb015
Japan M-Type keyboard

Japan keyboards

  1. Japanese Keyboard Layouts
  2. Tiny Space Bar on Japanese Keyboards
  3. Esrille New Keyboard Review
  4. μTRON Keyboard
  5. Japan TRON keyboard
  6. Japan Thumb-Shift Keyboard
  7. NEC 日本電気 M-Type keyboard
  8. Sony Home Computer HB-101
  9. Japan Sukerutoron ST-2000 TRON Keyboard
  10. Japanese Hiragana Frequency Table
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