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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 ...
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 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 ...
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 Natural Keyboard Pro restored the standard inverted-T layout of the cursor keys and six-key nav/edit cluster 2×3 layout, and added a row of program shortcut keys along the top edge of the keyboard (above F1 — F12 and the numeric keypad), including multimedia keys and power management keys. Vista and Windows 7 have the ability to ...
IBM's Model F keyboard is a design consisting of a buckling spring over a capacitive PCB, similar to the later Model M keyboard, but instead used membrane sensing in place of a PCB. The Topre Corporation design for switches uses a conical spring below a rubber dome. The dome provides resistance, while the spring does the capacitive action. [10]
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