Path: utzoo!attcan!telly!lethe!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!usc!apple!well!nagle From: nagle@well.sf.ca.us (John Nagle) Newsgroups: comp.robotics Subject: Re: Insuring data integrity in dirt Message-ID: <20186@well.sf.ca.us> Date: 9 Sep 90 05:23:16 GMT References: <1500@unicorn.WWU.EDU> Distribution: all Lines: 11 Some of the Japanese machine tool manufacturers are using "smart cards" for that purpose, and readers are provided on some newer machine tools. Or you can have a comm link to the machine tool controller, and keep the removable media off the shop floor entirely. This can even be retrofitted to some controllers with paper tape readers. JN