this post was submitted on 04 Jul 2024
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Android

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[–] OhmsLawn@lemmy.world 32 points 4 months ago (23 children)

I used to work on diesel engines. I'd end up with different looking fingerprints all the time from grease, oil random little cuts, etc. I'd hope this tech is better able to discern fingerprints from noise. It was a little annoying.

[–] skuzz@discuss.tchncs.de 12 points 4 months ago (2 children)

The tech has been in Samsung phones for several years, and is good enough that one's fingerprint will read through vinyl gloves if they aren't too scrunched up. It's fast and decent.

Does make me wonder though, it's a Qualcomm tech. Does that mean Google is finally going back to Qualcomm chips? The pixel modems have been trash ever since they left.

[–] name_NULL111653@pawb.social 10 points 4 months ago (1 children)

Yeah, I instinctively tried to open mine with vinyl gloves on once and immediately thought "I'm dumb, gotta take these gloves off first." That was a good shock when it actually worked first try, much confusion...

[–] skuzz@discuss.tchncs.de 1 points 4 months ago

It makes sense if you think about it, ultrasonic vibrations will "see through" the glove and detect the finger ridges beyond. If the glove is scrunched up, it "looks" like finger ridges that aren't yours, which will then not match.

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