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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.
The Happy Hacking Keyboard is a small computer keyboard codeveloped with Japanese computer engineer Eiti Wada, manufactured by Fujitsu Takamisawa Component Limited, and debut in 1996. It was expensive to enter the American OEM market, so PFU released the Happy Hacking Keyboard Lite which was manufactured by Chicony Electronics .
Eiiti Wada (和田英一, 1 June 1931) [1] is a computer scientist and emeritus professor at the University of Tokyo [2] and the Research Director of Internet Initiative Japan (IIJ), a computer network technology company. [3] He is one of the creators of the Happy Hacking Keyboard.
Mechanical keyboards (or mechanical-switch keyboards) are computer keyboards which have an individual switch for each key. The following table is a compilation list of mechanical keyboard models, brands, and series:
Keyboard action describes the mechanism and feel of the keyboard. Keyboards can be roughly divided into non-weighted and weighted. Non-weighted keyboards have a light, springy feel to their keys, similar to the action of an organ. The least expensive keyboards, often with non-full size keys, use keys that are mounted on soft rubber pads that ...
In computing, a keyboard controller is a device that interfaces a keyboard to a computer. Its main function is to inform the computer when a key is pressed or released. When data from the keyboard arrives, the controller raises an interrupt (a keyboard interrupt ) to allow the CPU to handle the input.
A projection keyboard. A projection keyboard is a form of computer input device whereby the image of a virtual keyboard is projected onto a surface: when a user touches the surface covered by an image of a key, the device records the corresponding keystroke. Some connect to Bluetooth devices, including many of the latest smartphone, tablet, and ...
Logic external to the computer reads the screen RAM memory map segment and updates the virtual screen. If a keyboard is attached to the computer hosting the CPU emulator program, the emulator puts a 16-bit bit scan code corresponding to a key depressed during program execution into the keyboard register at RAM address 24576 (0x6000).
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