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My digital watch chimes on the hour every hour. It is the
primary way I tell the time, much like a peasant or a sailor
listening for a bell. I have begun experimenting with leaving
my watch on my keyring so that I can still hear the chimes
and subconsciously keep track of time without relying
checking the face. Additionally, I never lose my
watch/keychain because if I am unsure of where it is I
make sure to listen on the top of the hour and then track
down the inevitable BEEP-BEEP. I think the ideal solution
be a faceless fob that regularly chimes on the hour so that
you can know the time without a cumbersome watch (but
have the option of wearing one) and have a passive key-
locating device (as long as you're not in a particular hurry).
For those who lose their keys more often or would like to
track time more accurately, the Chronically Beeping
could be set to smaller increments like 20 minutes or even
small as 5 if you hate having any measure of peace and
|Still need a button or two to reset the time, mine drifts a second or two every month which drives me nuts.
|// Still need a button or two to reset the time, mine drifts a
second or two every month which drives me nuts.
// My watch is solar powered and syncs it's clock every night
to the radio signals from the atomic clock. It has buttons for
setting time zones and other functions, but for the device in
this idea that simply beeps once an hour, time zones don't
matter, so it could be a very simple. On second thought, if
you have it on your keychain instead of your wrist, solar cells
probably won't be effective and you'll need a way to change
|This would have prevented us from having to shell out a bunch
of moola last week to purchase a new fob and set of bike keys
for me. I lost mine and it was the only set I had.
|(Later, for those who are following this saga, my husband sat
down to watch tv and found the keys on the side of the
cushion, within a chair I very rarely ever use. I'm blaming the
poltergeist so my husband doesn't expect me to reimburse for
the cost of expensive copies that had to be made.)
|Mechanical self winding watches are a thing. I'm not sure if
there are any that use normal motion to charge, but there
probably could be as long as the energy demands are low.
|That being said, I'd want a programmable version so I could
set it not to go off while sleeping.
|Yes, electric watches charged by motion exist. I forgot about
those. Google "kinetic watch" or "automatic quartz watch".
That would probably work better than solar for a keychain
|[MechE] you only /think/ you want it off while you're asleep
until you begin counting the beeps in your dreams and no
longer need an alarm clock to wake up
|I want a "chronically beekeeping keychain" which contains a
portal to a beehive. may result in bees.