[sdiy] MIDI phantom power...over 5 pin MIDI connector ?

[jpdesroc]

Does anybody have schematics of an easy way to send 

power using the 2 MIDI pins in a 5 pins cable ? 

I don't want to use any of the 3 remaining wires of the cable 

for universal use on ANY MIDI cables.. 

I know this company uses that technology: 

http://www.midisolutions.com/prodmrg.htm [1] 

but I can't find any circuit ideas that uses it.. 

I know I'll need some kind of charge pump design to get something like 5
volts 

out of the MIDI (idle or in use) signal. 

Any clues ? 

JP 
 

Links:
------
[1] http://www.midisolutions.com/prodmrg.htm
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