Re: [CAD_CAM_EDM_DRO] mouse encoder?

hi
u r wrong.
all mouse have two photo transistor and two led . either infra red or
normal, for X and Y coordinates.

SHABBIR


At 11:21 PM 8/20/01 -0400, you wrote:

>In a message dated 20-Aug-01 22:17:30 Central Daylight Time,
>timg@... writes:
>
>
>> Non-optical mice (the type with a ball) use 2 quadrature optical

encoders to

>> read the movement. Very low resolution, but certainly an inexpensive source
>>
>
>OPTICAL? You mean MAGNETIC, no? All the mouse-balls I have seen are
>plain-black all over (now, don't get nasty!), no "stripes", etc. No
>photo-transistors. Just Hall-effect sensors.
>
>Or, is there some Jordian magic I won't know of in this Century, yet?
>
>
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