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From: Jeff Liebermann <jeffl@cruzio.com>
Newsgroups: rec.bicycles.tech
Subject: Re: Artificiqal Intelligence
Date: Thu, 22 Aug 2024 12:56:48 -0700
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On Wed, 21 Aug 2024 23:13:29 GMT, cyclintom <cyclintom@yahoo.com>
wrote:

>You all know that your thumbprint is lucky to be recognized one out of 20 times.

I don't use my thumb for biometric authentication on my smartphone,
laptop, or flash drive (Verbatim).  Instead, I program the fingerprint
reader to authenticate using my index and middle fingers, on both
hands.  (It's not called a thumbprint reader).  There are multiple
reasons for not using the thumbs.  Using the thumbs produces a general
lack of reliability due to the relatively small working area on the
sensor, compared to the rather large thumb area.  Finding the correct
location on your thumb is awkward and difficult.  Little wonder your
batting average is so low.

Of the various fingerprint readers I use, the one in my Moto G Power
(2020) is the one I use the most.  I would estimate that I use at
least 70 times per day when working.  The sensor is on the back of the
phone, so I just wrap my fingers around the phone and authenticate. No
need to turn the phone on in advance because the fingerprint sensor
detects my finger (from it temperature) and turns the phone on
automagically.

The reason why I have 2 fingers on each hand programmed is because I
sometimes it doesn't work very well when my hands are dirty.  It's
also handy to be able to use either hand.  

The only time it hasn't worked at all was when I was cleaning chainsaw
parts with solvent and leaky latex gloves.  The solvent (acetone?)
wiped out most of my fingerprints.  None of my fingerprints would
work.  I tried washing and drying my hands, but the fingerprints
remained hidden.  I switched to password security until my
fingerprints began reappearing.  I had to reprogram the phone with all
4 fingerprints every 2 days for about 10 days when the fingerprints
finally stopped changing.  Hint:  Don't do that.


-- 
Jeff Liebermann                 jeffl@cruzio.com
PO Box 272      http://www.LearnByDestroying.com
Ben Lomond CA 95005-0272
Skype: JeffLiebermann      AE6KS    831-336-2558