To LUGNET HomepageTo LUGNET News HomepageTo LUGNET Guide Homepage
 Help on Searching
 
Post new message to lugnet.trainsOpen lugnet.trains in your NNTP NewsreaderTo LUGNET News Traffic PageSign In (Members)
 Trains / *3517 (-5)
  RE: how does a bar code reader work?
 
(...) Hmmm, this might be another practical pbForth application. I don't have time right now... <snipped excellent barcode type description> (...) I'm not sure about the clock thing. Any single sensor is sampled at about 333 Hz. If you write some (...) (25 years ago, 30-Dec-99, to lugnet.robotics, lugnet.trains)
 
  Re: Dan Strikes Again...
 
(...) night you brought him over to GMLTC? As for the caboose, though, try using a flat roof with roofwalks the way I did. Much more prototypical looking. (...) right way and the big box lantern headlight is spot on! I like the passenger car (...) (25 years ago, 30-Dec-99, to lugnet.trains)
 
  Re: how does a bar code reader work?
 
(...) I just realized that I answered your barcode question without considering what you were trying to do! For your application you can use (or invent!) any barcode system you like. In fact, something simple like POSTNET (used in the US to add a (...) (25 years ago, 30-Dec-99, to lugnet.robotics, lugnet.trains)
 
  Re: how does a bar code reader work?
 
(...) Well I don't have the code pilot but at my previous job I worked on Warehouse Control systems that were Bar Code intensive. As I am sure you know a bar code is just a simple representation of letters and/or numbers that are readable by a (...) (25 years ago, 30-Dec-99, to lugnet.robotics, lugnet.trains)
 
  Re: how does a bar code reader work?
 
This is going to be tricky without real arrays. LegOS may be the only option. You'll be looking for a start symbol (maybe just one framing bit, sometimes a legal character in the barcode set and sometimes just a pattern). Once you identify it you (...) (25 years ago, 30-Dec-99, to lugnet.robotics, lugnet.trains)


Next Page:  5 more | 10 more | 20 more

Redisplay Messages:  All | Compact

©2005 LUGNET. All rights reserved. - hosted by steinbruch.info GbR