DIY Paper Tape Punch - Mechanism diagram?

Paul Koning paulkoning at
Fri May 1 11:50:43 CDT 2020

> On May 1, 2020, at 11:31 AM, John Foust via cctalk <cctalk at> wrote:
> Were there any paper tape devices that did not use the sprocket holes 
> to move the tape?

A lot of high speed optical readers use capstans and pinch rollers.  But they still need the sprocket holes to be the source of the clock signal for latching the data.


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