Optical mouse
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An optical mouse is a computer mouse which uses a light source, typically a light-emitting diode, and a light detector, such as an array of photodiodes, to detect movement relative to a surface. Varia
A Microsoft wireless optical mouse
An early Xerox optical mouse chip, before the development of the inverted packaging design of Williams and Cherry
OEM-branded Mouse Systems (Kirsch) optical mouse showing underside and mousemat pattern.
Microscope photograph of the IntelliMouse Explorer sensor silicon die
Steve Kirsch
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Steven Todd Kirsch is an American entrepreneur. He has started several companies and was one of two independent inventors of the optical mouse. Kirsch has been both a philanthropic supporter of medica
Optical mouse
…The first two optical mice, first demonstrated by two independent inventors in December 1980, had different basic designs: One of these, invented by Steve Kirsch of MIT and Mouse Systems Corporation, used an infrared LED and a four-quadrant infrared sensor to detect grid lines printed with infrared absorbing ink…
Kirsch in 2011
Kirsch (right) with Dick Lyon, the other independent inventor of the optical mouse in 2024