19 Feb
2007
19 Feb
'07
3:12 p.m.
On 2/19/07, aliensrcooluk at yahoo.co.uk <aliensrcooluk at yahoo.co.uk> wrote:
No idea whether this is true or not, as it
was in part of a spam email, but because of
the TI link, I thought it might be of some
interest here (and perhaps someone can confirm
whether it's true or not?):
In 1960 an engineer working for a watch
company in Switzerland discovered that a small
crystal would vibrate at a constant rate.
I imagine the history of crystal oscillators goes back a lot longer
than the 1960s.
A quick web search found this article with much earlier dates:
http://www.ieee-uffc.org/fc_history/bottom.html