[SunRescue] RE: chg subj. 4004's and nc mills

[William Janssen]

There was a reader sold that was basically just as described below.

Bill K7NOM

Ken Hansen wrote:
> 
> Paper tape readers are *simple* to make, assuming you have a steady arm...
> 
> All you need are 8-10 light sensors, patch them through a preprogrammed
> EPROM as the address, and the 8 bit ASCII character set falls out the other
> side as the data from the EEPROM.
> 
> There is a sprocket/alignment hole that runs down the middle of the tape, a
> hole there would provide a "strobe line" to indicate a new character is
> available.
> 
> As you pull the paper tape through, it will pass over the light sensors,
> indicating the character punched on the tape - a steady hand would be
> required.
> 
> HTH,
> 
> Ken