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Wireless keyboards based on infrared technology use light waves to transmit signals to other infrared-enabled devices. In case of radio frequency technology, a wireless keyboard communicates using signals which range from 27 MHz to up to 2.4 GHz. The majority of wireless keyboards today work on 2.4 GHz radio frequency. [citation needed ...
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:
The majority of modern keyboards include a control processor and indicator lights to provide feedback to the user (and to the central processor) about what state the keyboard is in. Plug-and-play technology means that its "out of the box" layout can be notified to the system, making the keyboard immediately ready to use without the need for ...
Casio keyboards from the 1980s and 1990s are occasionally used by ambitious sound designers who use circuit bending, a process in which a person rewires the circuitry in innovative ways in an attempt to increase functionality, to extend the keyboard's sound palettes. The following list includes some of the instruments' basic specifications and ...
Intelligent Peripheral Devices, Inc. [6] was founded in 1992 by two previous Apple Computer engineers, Ketan Kothari [8] and Joe Barrus, [9] [10] with the mission to "develop and market affordable, portable personal learning solutions for the classroom" and to "deliver affordable, lightweight, rugged portable computing devices that are expandable, easy to use and manage, and provide ...
Conventional keyboards include feet that can be deployed under the top of the keyboard, which generates a positive slope: the topmost rows (F1– F12 function keys) are higher than the bottom rows (space), which would require the user to tilt their wrists up. Ergonomic keyboards may use a riser under the front to create a neutral or negative ...