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FingerWorks was a gesture recognition company based in the United States, known mainly for its TouchStream multi-touch keyboard. Founded by John Elias and Wayne Westerman of the University of Delaware in 1998, it produced a line of multi-touch products including the iGesture Pad and the TouchStream keyboard, which were particularly helpful for people suffering from RSI and other medical ...
In visual perception, flicker is a human-visible change in luminance of an illuminated surface or light source which can be due to fluctuations of the light source itself, or due to external causes such as due to rapid fluctuations in the voltage of the power supply (power-line flicker) or incompatibility with an external dimmer.
Apple Wireless Keyboard (A1016) The first generation Apple Wireless Keyboard was released at the Apple Expo on September 16, 2003. [2] It was based on the updated wired Apple Keyboard (codenamed A1048), and featured white plastic keys housed in a clear plastic shell. Unlike the wired keyboard, there are no USB ports to connect external devices.
Using PWM (pulse-width modulation, a technology where the intensity of the LEDs are kept constant, but the brightness adjustment is achieved by varying a time interval of flashing these constant light intensity light sources [26]), the backlight is dimmed to the brightest color that appears on the screen while simultaneously boosting the LCD ...
Bluetooth is a standard wire-replacement communications protocol primarily designed for low power consumption, with a short range based on low-cost transceiver microchips in each device. [30] Because the devices use a radio (broadcast) communications system, they do not have to be in visual line of sight of each other; however, a quasi optical ...
The iPhone Stereo Headset was introduced in 2007 and was bundled with the original iPhone and iPhone 3G, and featured a control capsule in-line with the left earbud's wire with a microphone and a single button, actuated by squeezing the unit, which can be programmed to control calls, presentations, music and video playback, launch Siri, or take ...
Flicker vertigo, sometimes called the Bucha effect, is "an imbalance in brain-cell activity caused by exposure to low-frequency flickering (or flashing) of a relatively bright light." [ 1 ] It is a disorientation -, vertigo -, and nausea -inducing effect of a strobe light flashing at 1 Hz to 20 Hz, approximately the frequency of human brainwaves .
Can connect up to two devices via 2.4 GHz wireless and Bluetooth, also compatible with iOS and Android devices as a keyboard input. G513 Carbon Mechanical Gaming Keyboard 2018: Logitech Romer-G tactile or linear: Wired — Controls are FN shortcuts assigned to F9-F12, Print Screen, Scroll Lock, and Pause keys: 12x3 (F Keys can be assigned as ...