linuxcaffe; thinkpad battery life

[David J Patrick]

On Wed, 2004-10-27 at 22:20, JAMES KNOTT wrote:
> > > 
> What remote sensing does, is make the power conductors
> invisible to the load.  Assuming you had 4 computers
> at a table, with the shared power supply some distance
> away.  With a common power supplie, you'd have to
> worry about voltage drop going back to the power
> supply.  If you had a remote sensing supply, measuring
> the voltage at a common feed point at the tables, the
> long run to the power supply can be ignored and the
> leads from the common point to the computers, would be
> short enough, so as to not cause significant voltage
> drop.

The supply voltage floats ?
One remote sensor per common point ?
Would this be an inline thingamabob ? or the d/c supply it's self ?
would such a gadget be available locally and at reasonable cost ?
djp

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