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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 ...
Lomak keyboards being used with a head-pointer and a hand-pointer. LOMAK is an acronym for Light Operated Mouse And Keyboard.It is an assistive technology device designed for use by people who cannot use a standard computer keyboard and mouse.
Red (635 nm), blueish violet (445 nm), and green (520 nm) laser pointers. A laser pointer or laser pen is a (typically battery-powered) handheld device that uses a laser diode to emit a narrow low-power visible laser beam (i.e. coherent light) to highlight something of interest with a small bright colored spot.
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Though it is distinct from the text cursor, the mouse pointer is also being called a cursor or mouse cursor. [13] The pointer commonly appears as an angled arrow (angled because historically that improved appearance on low-resolution screens [14]), but it can vary within different programs or operating systems. The use of a pointer is employed ...
Users can simulate a laser pointer in PowerPoint 2010 with a mouse cursor by holding down the Ctrl key and pressing the primary mouse button during a presentation. [ 94 ] Video editing and playback functionality; local videos are now embedded within slides by default so that they can be played regardless of whether users have access to their ...
Free-electron laser: A broad wavelength range (0.1 nm - several mm); a single FEL may be tunable over a wavelength range Relativistic electron beam: Atmospheric research, material science, medical applications. CO₂ gas dynamic laser: Several lines around 10.5 μm; other frequencies may be possible with different gas mixtures
There are two uses for the wait cursor: short term and long term. The wait cursor is a shared resource in the system across applications and windows. By default, when the mouse cursor is in a window, the cursor shown is controlled by the window's registered window class and handling of WM_SETCURSOR. Different scenarios can be used instead. [2]