Ethernet Powered Razor Blades

from the yes,-but-how-close-do-they-shave? dept

Yesterday we wrote about the digital electric guitar that used ethernet rather than standard cables. I had assumed that it was just the sound that was piped through the Ethernet, but it sounds like they are using Ethernet for power as well. These days lots of gadget sites talk about cool devices that are powered by USB (my favorite is the USB powered vacuum cleaner), but Cisco is pushing to get more people to start creating Ethernet powered devices, and they’re using the electric razor as the perfect example. Of course, I don’t know about most people, but I tend to shave in the bathroom, where there usually aren’t too many Ethernet cables running. One cool idea, though, is using Ethernet to help keep laptops charged. There isn’t enough power to keep a laptop fully running, but it can take some load off the battery, meaning it can keep running for an extra long time. I’m pretty happy ditching all cables and using WiFi, but this might bring back some of the attraction of Ethernet.

Rate this comment as insightful
Rate this comment as funny
You have rated this comment as insightful
You have rated this comment as funny
Flag this comment as abusive/trolling/spam
You have flagged this comment
The first word has already been claimed
The last word has already been claimed
Insightful Lightbulb icon Funny Laughing icon Abusive/trolling/spam Flag icon Insightful badge Lightbulb icon Funny badge Laughing icon Comments icon

Comments on “Ethernet Powered Razor Blades”

Subscribe: RSS Leave a comment
Jordan Share (user link) says:

Uh, I think you are confused

As I understand it, the “power over ethernet” is not at all like the USB-powered systems.

USB inherently delivers power as part of the wiring spec. Ethernet does not.

“Power over Ethernet” takes advantage of the fact that 100mbit ethernet only uses 2 of the 4 pairs of wires in a cat5 cable. It uses the unused pairs to carry a voltage, and provide power.


Add Your Comment

Your email address will not be published. Required fields are marked *

Have a Techdirt Account? Sign in now. Want one? Register here

Comment Options:

Make this the or (get credits or sign in to see balance) what's this?

What's this?

Techdirt community members with Techdirt Credits can spotlight a comment as either the "First Word" or "Last Word" on a particular comment thread. Credits can be purchased at the Techdirt Insider Shop »

Follow Techdirt

Techdirt Daily Newsletter

Techdirt Deals
Techdirt Insider Discord
The latest chatter on the Techdirt Insider Discord channel...