On Tue, 23 May 1995, Walter Anderson, C.D.P. wrote:

> >array with a simple 64-bit shift register output.  I can supposedly print my
> >pattern on a mylar strip and encode away. I am asking you guys if anyone has
> >experience with this type of position encoding especially with a PIC.  Maybe
> >one if you has some code written to deal with this.
>
> I haven't used that type of encoder but it sounds similiar to a standard rotar
y
>
> encoder, you might want to look at the application notes related to the rotary
> encoders.
>
> Did you find the information about the binary chain code in the application no
te
> s for
> the device or from some other source?  If its from another source could you si
te
>  the
> reference? I would be interested in hearing more about this project and how it
 t
> urns
> out.
>
> Walter Anderson
> khadfw@onramp.net
>

Walter,
        The source is Electronics Now, October 1994.  It was faxed to me
from TI as an app. note for their TSL213 64x1 pixel array product.

Martin Kirk
Arizona State University
mlk@asu.edu
(602) 263-9270