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A laser projection keyboard used with a tablet. A laser or beamer projects visible virtual keyboard onto level surface. It is a modern input device. A sensor or camera in the projector picks up finger movements. Software converts the coordinates to identify actions or characters. [1] Some devices project a second (invisible infrared) beam above ...
A wireless keyboard is a computer keyboard that allows the user to communicate with computers, tablets, or laptops with the help of radio frequency (RF), such as WiFi and Bluetooth or with infrared (IR) technology.
An optical keyboard technology utilizes light-emitting devices and photo sensors to optically detect actuated keys. Most commonly the emitters and sensors are located at the perimeter, mounted on a small PCB. The light is directed from side to side of the keyboard interior, and it can only be blocked by the actuated keys. Most optical keyboards ...
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V550 Nano Cordless Laser Mouse for Notebooks 2008: 5: Free Spinning (toggled by mechanical switch) Laser? 2.4 GHz: 2×AA: Performance Mouse MX 2009: 9: Free Spinning (toggled by mechanical switch) Darkfield Laser: 100-1500: Unifying: 1×AA NiMH (rechargeable); non-rechargeable AAs not supported: One of the first two mice introduced in 2009 to ...
A speaker giving a presentation with an RF pointer in his left hand. Using a wireless clicker, helps the presenter to move freely, instead of being obliged to stay next to the computer, can get closer and keep in touch with the audience, watching the presentation together with them, being able to use the built-in laser pointer, in order to emphasize specific points in the dialogue with the ...
BYTE in January 1987 preferred the Laser 128's keyboard, including the keypad and cursor keys' locations, to that of the Apple IIc and approved of the documentation's quality. Despite describing the software incompatibility issues as "disappointing" the magazine concluded that its "technical issues are relatively minor", and that its low price ...
ThinkLight was a keyboard light present on many older ThinkPad families of notebook computers. The series was originally designed by IBM , and then developed and produced by Lenovo since 2005. The ThinkLight has been replaced by a backlight keyboard on later generations of ThinkPads, and Lenovo has discontinued the ThinkLight in 2013.