3 ms·
> Take SATURN [1], for example. It's a microphone powered by ambient speech. Energy is harvested though triboelectric nanogenerators (TNGs). Unpowered (passive
by davidgay 6y ago
> Take SATURN [1], for example. It's a microphone powered by ambient speech. Energy is harvested though triboelectric nanogenerators (TNGs).
Unpowered (passive) microphones are far from new, e.g., https://en.wikipedia.org/wiki/Ribbon_microphone https://en.wikipedia.org/wiki/Ribbon_microphone ("In the early 1920s, ...")
- dougmwne 6y agoHere is an even more interesting example which was wireless as well. https://en.m.wikipedia.org/wiki/The_Thing_(listening_device) https://en.m.wikipedia.org/wiki/The_Thing_(listening_device)
- waterheater 6y agoIndeed, though the energy transfer mechanism is very different. Also, the form factor of SATURN is far flatter than traditional microphones.