[time-nuts] RE; New Wrist watch

Randy D. Hunt randy_hunt960 at yahoo.com
Wed Sep 12 16:55:50 UTC 2012


On 9/12/2012 2:21 AM, Azelio Boriani wrote:
> 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 <hmurray at megapathdsl.net> 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?
>>
>>
>> --
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>>
>>
>>
>>
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Not only that, but 32,000 Hz is about 12,000 Hz higher than the highest 
frequency that we are supposed to be able to hear. . .

Randy



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