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[DPRG] HP QEDS 7099 Optical Rotary Encoder

Subject: [DPRG] HP QEDS 7099 Optical Rotary Encoder
From: Earl Bollinger earlwbollinger at attbi.com
Date: Sat Nov 9 21:36:22 CST 2002

HP QEDS-7099 Optical Rotary Encoder
A Google (and Alta-Vista) search comes up empty, and I don't think HP
actually makes them
as they may be custom labeling just for them.
Does anyone know where I can find some information about these
rotary encoders at?
The one I see has a 5 pin connector with four wires (one empty pin),
It looks like this:
   white/red stripe
   white/black stripe
   white/red stripe
   empty
   white/black stripe
It looks like its a quadrature encoder schema.
The pinouts (what do they do or used for) would be immensely welcome. (Open
collector?).
Thanks,
Earl
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