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An early Xerox optical mouse chip, before the development of the inverted packaging design of Williams and Cherry. The first two optical mice, first demonstrated by two independent inventors in December 1980, had different basic designs: [1] [2] [3] One of these, invented by Steve Kirsch of MIT and Mouse Systems Corporation, [4] [5] used an infrared LED and a four-quadrant infrared sensor to ...
The first generation Magic Mouse was released on October 20, 2009, and introduced multi-touch functionality. It connects wirelessly to a Mac computer via Bluetooth. [4] It is powered by two AA batteries, and operates using a solid-state laser tracking sensor like the previous-generation wireless Mighty Mouse. Apple includes two non-rechargeable ...
It replaced the 6 megapixel SP-500UZ model that was launched in 2005. It was the last model of the SP-series (Special Performance) that used a 10x optical zoom lens. It was also the last of the larger-sized 10x optical ultra zoom cameras to be made by Olympus, which had been part of the C-series before the SP-series was produced.
If not used with Mac OS X, the mouse behaves as a four "button" mouse with a vertical and horizontal scroll wheel. There are third-party drivers (including XMouse [8]) that provide more functions to users of other platforms such as Windows. The Mighty Mouse does not report whether the right and left sensors are activated simultaneously.
A zoom lens is a system of camera lens elements for which the focal length (and thus angle of view) can be varied, as opposed to a fixed-focal-length (FFL) lens . A true zoom lens or optical zoom lens is a type of parfocal lens, one that maintains focus when its focal length changes. [1]
A computer mouse with the most common features: two buttons (left and right) and a scroll wheel (which can also function as a button when pressed inwards) A typical wireless computer mouse. A computer mouse (plural mice, also mouses) [nb 1] is a hand-held pointing device that detects two-dimensional motion relative to a surface
The mouse was similar to the Macintosh mouse, though it was in a creamy-beige color to match the IIc's bright off-white case and had a slightly modified design which was sleeker than the Macintosh's blockier shape. It also was uniformly the same color, eliminating the Mac & Lisa's contrasting taupe accents on the mouse button and cable.
The image quality has been lost. No quality is lost however, with the lens zoomed-in optically for the bottom photo. Typically, the digital zoom is not available until the optical zoom has been exhausted. Digital zoom is a method of decreasing the precise angle of view of a digital photograph or video image.