Anyone have a shape for a hall effect sensor?

[dot]

Or a link to an online Library?

thanks

[Paul Herber]

What shape would you be expecting for this? Is there a standard symbol?
If there is then I'll be very interested in creating on.e

[dot]

Here's one:

http://1.bp.blogspot.com/_Gky8ltNWVFk/Sc387yy-hXI/AAAAAAAAAnw/rCuwdg001ds/s1600-h/Digital+Hall+Effect+Sensor+Connection+02-799054.JPG

I was actually interested in a simplified 3 wire version I've seen in machine manuals.