On 1/21/2016 10:48 PM, John Robertson wrote:
On 01/21/2016 6:46 PM, Charles Anthony wrote:
<snip>

-- Charles

Would it not be simpler to make an optical reader to handle this job? You need a light source and the correct number of opto transistors to read the light from each hole. There is an index built into the tape so that is easy to set.

Something like this:

http://hackaday.com/2014/05/02/reading-paper-tapes-from-scratch/

Did anyone get a schematic on the values the fellow used in the article on vintage-computer.com? I see the photos, but didn't see any schematic showing what the actual circuit he found to work was. Also didn't see any real names. Was the cited article anyone here?

thanks
Jim
Of course my assumption above is based on tape that is still complete. If it has holes or can't be pulled then, yes, photographing and visually reading the dot patterns may be necessary, but that sounds rather impractical if there are more than a couple of tapes to transcribe.

John :-#)#


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