Hi Yes indeed you can "hear" the 32KHz crystal. Back in the dark ages, that's exactly how we picked off the signal to drive a counter during adjustment of the watch modules.
Bob -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Azelio Boriani Sent: Wednesday, September 12, 2012 5:22 AM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] RE; New Wrist watch Interesting: trying to "hear" a low frequency crystal using a microphone... it should be hard: the crystal has to make the case vibrate and this is energy consuming (unless it resonates). I don't expect to pick up nothing, except the step motor driving the hands. On Wed, Sep 12, 2012 at 9:45 AM, Hal Murray <[email protected]> wrote: > > > I have a $49 Casio Wave Ceptor, white face black numerals, analog hands > > including second hand, date, alarm and WWVB syncing in the middle of the > > night. Only had to replace the battery once and it ticks are closer than > I > > can discern when comparing to WWV @ 10or 15 Mhz. > > Has anybody "listened" to such a watch? (with a microphone) > > Can you hear both the 32KHz basic timekeeping as well as the "tick" when > the > second hand takes a step? > > > -- > These are my opinions. I hate spam. > > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
