Mouse Systems PC Mouse – LGR Oddware

Saturday, May 5th, 2012

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Overview of the Mouse Systems optical PC Mouse from 1986! Optical pointing devices may not have been very common until the turn of the century, but you have to go all the way back to the mid-80’s to see their origins.


5 comments on “Mouse Systems PC Mouse – LGR Oddware

  1. Gemini says:

    The only reason I can think of that something like this didn’t take off way back then is that it must’ve been really pricy when it first came out. Any idea what it retailed for brand new?

  2. xaromir says:

    Actually, i think the mousepad looks pretty sweet, and i wasn’t aware that optical mice been available back in those days.

  3. Kevin Dady says:

    First time I saw one of these was in the late 80’s on a sun system at Vanderbilt university … OK a room full of top of the line sun workstations and I nearly messed my pants

    Apparently there were two types available back in the day, the one you show which uses IR and a reflective surface with a grid … this is pretty simple as its just standard IR emitter / receiver pair, and a comparator to make a variable analog signal into a hard YES or NO digital signal.

    Ball mice use the exact same technology, those rollers are connected to shutter wheels infront of IR pairs forming rotary encoders, its just a difference in perspective.

    Xerox on the other hand had a mouse that had a 16×16 array of photo detectors on a chip and took very basic images of the surface and compared the two.

    Though never commercially successful by xerox, this is EXACTLY how modern optical mice work now, laser or LED (laser just gives a finer point combined with a finer ccd)

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