crystal clock

crystal clock

[′krist·əl ‚kläk]
(horology)
A clock which uses the mechanical resonance of a crystal plate coupled piezoelectrically into an electronic circuit.
References in periodicals archive ?
To calculate how long the magma was stored at this boundary area, the researchers used a volcanic mineral known as spinel like a tiny stopwatch or crystal clock.
Quartz crystals were first used as frequency references for radios in the early 1920s, and the first quartz crystal clock was developed in 1928 at Bell Telephone Laboratories [1,2].
Type in "gifts for teachers" into Google and it lists hundreds of suggestions, ranging from personalised pen boxes starting at PS14.99 to mugs, pint glasses, biscuit tins and even an engraved crystal clock - a "snip" at PS29.99.
1928 Bell Telephone Laboratories in New York State brought the development of the first quartz crystal clock by Warren A Marrison.
Originally accurate time was provided by a Norrman crystal clock constructed by Norrman Labs in Williams Bay, Wisconsin.
* THIS starburst crystal clock from www.giftedpenguin.co.uk has the real wow factor.
NDK announced the availability of an environmentally friendly ultra low power-driven crystal clock oscillator (XO), the NZ2520SF.
With Watchmen, the most memorable moment involves a blue, naked demigod having a crisis of faith while perched on a giant crystal clock. Oh, and he's orbiting Mars at the time.
Una and Brenda were presented with flowers and a crystal clock.
She received a crystal clock and $250 for exceptional work performance and attitude.