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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 ...
It has a pseudo-membrane keyboard (an array of mechanical microswitches without keycaps, covered by flexible overlay), 32 KiB RAM, 8 KiB ROM with BIOS (chip K1801RE2-017), 8 KiB ROM with FOCAL interpreter (K1801RE2-018), 8 KiB ROM with debugger (K1801RE2-019) and one free ROM slot, and its CPU is clocked at 3 MHz.
The keyboard sends the key code to the keyboard driver running in the main computer; if the main computer is operating, it commands the light to turn on. All the other indicator lights work in a similar way. The keyboard driver also tracks the shift, alt and control state of the keyboard.
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 ...
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.
Key Ovation makes the Goldtouch ergonomic keyboard which is an adjustable angled split keyboard. On some ergonomic keyboards, the tenting angle is increased to 90° so the user types with their hands perpendicular to the ground, thumbs-up, [ 9 ] similar to the hand position adopted by accordion players.
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
The Kinesis Advantage keyboard. Kinesis is a company based near Seattle that offers computer keyboards with ergonomic designs as alternatives to the traditional keyboard design. Most widely known among these are the contoured Advantage line, which features recessed keys in two bucket-like hollows to allow the user's fingers to reach keys with ...