Thread: Using HDMI to charge the device
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Master of Gizmo is offline Master of Gizmo
2010-09-18 , 07:04
Posts: 345 | Thanked: 467 times | Joined on Nov 2007 @ Germany
#25
Originally Posted by Naranek View Post
Thanks for the reply retsaw. Good point on the voltage source. I'm not 100% sure, but it might be that the current does in fact run only from the device (source) to screen (sink).
That's true. The purpose of this is to allow the source to drive ddc electronics inside the sink even if the sink isn't switched on. This way a computer can e.g. determine screen size and type correctly even if the screen is not powerwed on (yet).
 

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