[sdiy] cloning, copying, copyrights

[harrybissell at wowway.com]

LOL... yeah they were called 'eyelets' and they are a world of trouble.

OTOH I remember an early ad that said
"Tired of PTH troubles ??? .... try EYELETS"

Last gasp for a dying technology.  We used to use them where flexible
wires entered the PCB, and for calibration points (you soldered in
additional resistors or capacitors...)

H^) harry


On Tue, 29 Jul 2008 11:23:13 -0500, Tim Daugard wrote
> > Well.. at one time you might have patented the 'plated through hole' or 
> > some
> > feature like that... otoh it might have been called 'obvious'...
> 
> Military equipment used rivet through hole 50+ years ago. The first 
> equipment I worked on had copper? rivets through PCB holes. At least 
> once I had to repair a circuit by fixing solder joints that had 
> broken on either side of the boaRD.
> 
> Tim Daugard
> AG4GZ 30.4078N 86.6227W Alt: 12 feet above MSL
> http://home.sprintmail.com/~daugard/synth.htm
> http://home.earthlink.net/~synthfred/h_toctop.htm (Fred's online 
> edition)
> 
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Harry Bissell & Nora Abdullah 4eva