Der Chip in der billigsten Maus hat die Aufschrift:
PAN101
BSI-208
33H243RW
Hierzu gibt es die folgende Beschreibung im Netz:
Chip: PixArt Imaging PAN301A (20 pin, improved tracking vs. PAN101)
Known Mouses Used In: none that I know of (new sensor)
Image Sensor Size (pixels) : 16x16
Resolution (CPI) : 400, 600, or 800
Refresh (Hz) : 3000 or 4000
Mpixels/sec : 0.768 or 1.024
Max Speed (inches/sec) : 37
Max Acceleration (g).: 20
The PixArt PAN101 is the only mouse sensor I've come across that I know for a fact is NOT made by/in agreement with Agilent. I don't have many specs on it, but it is pretty cheap and you'll find it in your $4.99 cheepo optical mouses (the one I looked at was a free-after-rebate iConcepts-branded PS2-only mouse from OfficeMax). Surprisingly, the mouse works pretty well. Agilent (a spin-off of HP), has lots of patents on optical mouse sensors, and is currently suing PixArt for infringement.
Manfred
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