On Tue, Jun 25, 2002 at 01:15:45AM -0500, Pic Dude wrote:
> Joe Farr scribbled:
>
>
> > There is probably only one item in the store that dosn't have a produce
> code :>
>
> My luck that I just happened to pick that one.
>
>
> > I think the PIC embeded in the food is probaly not the answer since that
> would be
> > too expensive.
>
> True -- for the items with longer expiry dates, there would need to be some
> form of low-power battery controller chip.  They would also need to use SOP
> or smaller technology to fit into grapes.  BTW, I don't remember seeing any
> holes for the ICSP updates.

no battery, RFID (R) (TM) (C) ...

>
>
> > More likely they inject the produce with radio-active substaces
> > with different decay rates - that's bound to be cheaper. <grin>
>
> I'll tell you tomorrow when I try one ... or maybe I won't tell you :-)
>
>
> > What would have happened if you'd 'forgot' to tell the system about the
> > mangoes or not scanned one of your tins of food I wonder ?
>
> This is where the thought of the cameras came up.  There's gotta be some
> form of
> security here.   Or then again, this could explain what happened to
> Kmart..??? :-)
> The system seemed to detect the bag removal, so perhaps there is a scale
> there
> that detects changes (increases) in weight w/o anything being scanned, or
> perhaps
> there is a database of the weights of all items that it checks in the bag
> for
> verification.
>
> Cheers,
> -Neil.
>
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