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| Happy Hacking Keyboard | |
|---|---|
 A white Happy Hacking Keyboard Professional 2 with blank keycaps | |
| Manufacturer | PFU Limited |
| Keyswitches | Depending on model: Membrane, capacitive |
| Keycaps | Either dye-sublimated or blank PBT, ABS for spacebars on some models. |
| Interface | Depending on model: PS/2, Sun, ADB, USB, Bluetooth |
| Weight | approx. 500 g – depending on model |
| Introduced | 20 December 1996 (original version)
10 December 2003 (HHKB Professional first-generation) 24 March 2006 (HHKB Professional second-generation) 10 December 2019 (HHKB Professional third-generation) |
| Discontinued | 10 December 2006 (original version, HHKB Professional first-generation) 10 December 2019 (HHKB Professional second-generation) |
| Website | happyhackingkb |
The Happy Hacking Keyboard (HHKB) is a small computer keyboard produced by PFU Limited of Japan, codeveloped with Japanese computer scientist and pioneer Eiiti Wada.[1] Its reduction of keys from the common 104-key layout down to 60 keys in the professional series is the basis for it having smaller overall proportions, yet full-sized keys. It returns the control key to its original position as on the early 84-key IBM Personal Computer/AT and XT layouts. The current models[2] in production are the Happy Hacking Keyboard Professional Classic,[3] Professional Hybrid (wired/wireless dual connectivity),[4] and Professional Hybrid Type-S[5] (silenced variant of Hybrid) all in either dark or light colorschemes, and either blank or printed keycaps. Professional Hybrid models are also available in Japanese layout.
- ^ "IIJ Research Laboratory - Researchers". Internet Initiative Japan. Archived from the original on 2016-03-05. Retrieved 2011-04-27.
- ^ "Happy Hacking Keyboard (manufacturer's site)". PFU Limited. Retrieved 2021-04-02.
- ^ "HHKB Professional Classic". PFU Limited. Retrieved 2021-04-02.
- ^ "HHKB Professional Hybrid". PFU Limited. Retrieved 2021-04-02.
- ^ "Happy Hacking Keyboards Pro HYBRID Type-S Keyboard - HHKP & REALFORCE Keyboards". PFU Limited. Retrieved 2021-04-02.