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-equi... 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: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org