Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!zaphod.mps.ohio-state.edu!usc!rutgers!netnews.upenn.edu!eniac.seas.upenn.edu!jeffe
From: jeffe@eniac.seas.upenn.edu (George J. Jefferson)
Newsgroups: comp.lang.postscript
Subject: Re: compensating for distortion
Message-ID: <25812@netnews.upenn.edu>
Date: 7 Jun 90 22:24:25 GMT
References: <95014@<90May30> <99500024@p.cs.uiuc.edu>
Sender: news@netnews.upenn.edu
Reply-To: jeffe@eniac.seas.upenn.edu.UUCP (George J. Jefferson)
Organization: University of Pennsylvania
Lines: 13

In article <99500024@p.cs.uiuc.edu> gillies@p.cs.uiuc.edu writes:
>
>> (This isn't unique to laser printers, either:  most photocopiers likewise
>> have slightly different X and Y axes.)
>
>I think that all photocopiers have different X and Y axes, so that
>counterfeit copies from a photocopier can be detected by the distortion.

Really? is this a law? an advertised feature?
a defect that sombody later realized could be called a feature?


George Jefferson    jeffe@eniac.seas.upenn.edu   george@sol1.lrsm.upenn.edu