...per transaction, Betfair would have been forced to change its business model." Betfair has applied for a patent forFlywheel and is in discussions with other organisations, both in the private sector and education, about how they can share...
http://www.silicon.com/retailandleisure/0,3800011842,39169164,00.htm
...input must still be below the filter cutoff. For our example above, if we had a pulses/rev of 100 (not unusual forflywheel or geared data), then the usable MAX tacho (reference frequency value) would be 2000 / 100 = 20 Hz maximum fundamental...
http://www.spectraldynamics.com/rma.htm