Search results
Results from the WOW.Com Content Network
Membrane keyboard as used on the East German Robotron Z1013. A membrane keyboard is a computer keyboard whose keys are not separate, moving parts, as with the majority of other keyboards, but rather are pressure pads that have only outlines and symbols printed on a flat, flexible surface. Very little tactile feedback is felt when using such a ...
The Z 1013's membrane keyboard. The membrane keyboard for the Z 1013 computer featured alphabetically placed keys arranged in a 8 x 4 matrix. The membrane keyboard included a 12-pin ribbon cable that the user had to connect to the mainboard before first use. The keys proved to be unresponsive and tended to bounce.
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 main intent of this design was to halve the production cost of the Model F. [13] The most well known full-size Model M is known officially as the IBM Enhanced Keyboard. A classic full-size Model M keyboard with Spanish ISO key layout. In 1993, two years after spawning Lexmark, IBM transferred its keyboard operations to the daughter company.
All such keyboards are characterized by having each key surrounded (and held in place) by a perforated plate, so there is a space between the keys. Unlike the membrane keyboard, where the user presses directly onto the top membrane layer, this form of chiclet keyboard places a set of moulded rubber keys above this. With some key designs, the ...
In general, ergonomic keyboards are designed to keep the user's arms and wrists in a near-neutral position, which means the slant angle (the lateral rotation angle for the keys in each half relative to the axis of the home row in a conventional keyboard) is approximately 10 to 12.5°, the slope (the angle of the keytop surfaces starting from the front edge closer to the user towards the top of ...
The Apple Keyboard was a more solid version of the Apple Desktop Bus Keyboard and optionally included with the Macintosh II and SE in 1987. (This shared layout with the A9M0330 meant that it retained the Escape and Control keys introduced by that keyboard, as did the M0115 Apple Extended Keyboard and subsequent Macintosh keyboards. [16])
122-key terminal emulation keyboard: Home/Rule key with arrow keys in a "plus" layout; 24 function keys; 10-key left cluster with terminal commands (Attn, Clear, Pause, ErEOF, etc.). Some models with this P/N exist with the lock light panel present - secondary legends are blue on the version with the LLP. 1397451 Buckling Rubber Sleeve 84