quartz clock
crystal clock

A little quartz clock like this might run for five to seven years off of a small battery.

That is a lot more accurate than the average quartz clock, for instance.

The quartz clock is a familiar device using the mineral.

And they will feature digital quartz clocks, which are already found on some meters in the city.

This was the most common type of clock from the 1930s but has now been mostly replaced by quartz clocks.

The two quartz clocks have perky, bright faces of red, green, blue and yellow.

The interior received a redesigned center console and a digital quartz clock.

It was less accurate than existing quartz clocks, but served to demonstrate the concept.

This means that a quartz clock, filter or oscillator will remain accurate.

Further quartz clocks were delivered to the Observatory of Paris in 1955.

This method is however unpractical for consumer quartz clock and wrist watch movements.

The same kind of motor drives battery-powered quartz clocks.

In quartz clocks and watches, it is a quartz crystal.

In 1932, a quartz clock able to measure small weekly variations in the rotation rate of the Earth was developed.

Similarly, since its resonator does not change shape, a quartz clock will remain relatively accurate as the temperature changes.

Many inexpensive quartz clocks and watches use a technique known as inhibition compensation.

Nowadays almost everybody uses a quartz clock.

Quartz clocks and watches as supplied by the manufacturer typically keep time with an error of a few seconds per week, although sometimes more.

Quartz is a component used to make quartz clocks.

This is precisely the same function that is performed by the quartz clock chip at the heart of any modern computing device.

New timing equipment provided by Longines was installed that used a quartz clock to measure to the hundredths of a second.

Both analog and stepped-movement quartz clocks use the Lavet type stepping motor.

Mr. Steinkritz also will convert mechanical clocks into quartz clocks.

An internal quartz clock had started running at thirty million cycles per second when the laser fired, and shut off when the reflection returned.

Furthermore, the accuracy of the quartz clock superseded the principles of the synchronous motor.