Archived posting to the Leica Users Group, 2000/11/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Good One! Javier "A.H.SCHMIDT" wrote: > Javier Perez wrote: > Snip > > > . I think the > > Industrial engineers invented the MTBF concept just for this sort of thing. > > > > Javier > > Javier, This reminds me, of the time I worked for ITT in Germany. At this time, we > developed the first microprocessor operated telemetry system used in Germany (I believe > in the world, but are not 100% sure) > > It used an 8080 Processor, 4Kb of Rom and 16Kb of Ram together wit some other Small > scale IC's, relays and resistors and Capacitors. The time was about 1978. > The statistics department was asked to work out the MTBF figure for the whole setup. > Using data supplied by the individual component manufacturers. > This setup consisted of about 16 of the above mentioned boards, some power supplies > and a big 19" rack. The outcome was: > > 2.5Hrs (Two point five) > > We received somewhat of a shock. However the system was build, and as I understand, It > still works to day (running 24 Hrs a day) without failure. Roughly 3 Million 197 > thousand 4 hundred years later. > > So much for MTBF. > > Regards, Horst Schmidt __________________________________________________ Do You Yahoo!? Talk to your friends online with Yahoo! Messenger. http://im.yahoo.com