schizoidman@lemmy.ml to Technology@lemmy.worldEnglish · 4 months agoResearchers discover battery-free technology which harvests power from radio and Wi-Fi signals for low-powered deviceswww.tomshardware.comexternal-linkmessage-square61fedilinkarrow-up1204arrow-down125file-textcross-posted to: [email protected]
arrow-up1179arrow-down1external-linkResearchers discover battery-free technology which harvests power from radio and Wi-Fi signals for low-powered deviceswww.tomshardware.comschizoidman@lemmy.ml to Technology@lemmy.worldEnglish · 4 months agomessage-square61fedilinkfile-textcross-posted to: [email protected]
minus-squareSparky@lemmy.blahaj.zonelinkfedilinkEnglisharrow-up1·3 months agoThat’s interesting! I thought that if you for example have a 50w RF transmitter, taking 40w from it would make it act as a 10w one for the other devices around it. Thx for the explanation :3
minus-squareChronographs@lemmy.ziplinkfedilinkEnglisharrow-up2·edit-23 months agoIt you could build a 40w antenna sure, but it’d basically have to be a dome surrounding the transmitting one at that point.
minus-squarehumorlessrepost@lemmy.worldlinkfedilinkEnglisharrow-up0·3 months agoAnd at that point, it’s just inefficient inductive charging.
That’s interesting! I thought that if you for example have a 50w RF transmitter, taking 40w from it would make it act as a 10w one for the other devices around it.
Thx for the explanation :3
It you could build a 40w antenna sure, but it’d basically have to be a dome surrounding the transmitting one at that point.
And at that point, it’s just inefficient inductive charging.