On Mon, 07 Jan, 2008 at 16:40:48 +0100, Carlos E. R. wrote: > It would be possible to design one. The device only needs to monitor the > presence of power in the usb power line coming from the laptop, and 1mA > would be enough to trigger the base of a transistor that would in turn > power up the device. It could even be designed around an optocoupler/triac > to power up the AC side of the device. > > You just pay an engineer, and he'll do appropriate wonders :-)
Too late, it's been done; http://www.elsparefonden.org/public-and-commerce/products/energy-saving-equipment/Elspareskinne Dunno if they exist outside of Denmark, but they should. I've had one for a couple of years now, works great :) /jon -- YMMV -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
