Clock Drive

clock drive

[′kläk ‚drīv]
(engineering)
The mechanism that causes an equatorial telescope to revolve about its polar axis so that it keeps the same star in its field of view.

Clock Drive

 

in astronomy, a mechanism of a telescope mounting designed to rotate the telescope at a constant speed about its polar axis—one turn for each sidereal day—to allow the telescope to track a celestial body being observed.

References in periodicals archive ?
Furthermore, an unpublished study spearheaded by neuroscientist Paul Gamlin of the University of Alabama at Birmingham demonstrates that the eyes' blue-sensitive ganglion cells that relay light signals to the biological clock drive this pupil constriction in rhesus monkeys--and presumably people.
The gear is part of the clock drive which keeps the 80-year-old telescope centered on its subject.
The body clock drives huge changes in the human body.
Although the MC100LVEP14 clock driver offers similar functionality to the MC100EL14 and the MC100LVEL14, clock drives in ON Semiconductor's ECLinPS Lite family, it provides higher AC performance, lower power supply compatibility and full pin compatibility with existing devices in the same family.
The programmable digital filter offers low-pass configuration options, and an internal clock drives the data sampling system during a data capture event, which eliminates the need for an external clock source.
The circadian clock drives, among other things, when an organism wakes up and when it sleeps.
The programmable digital filter offers low-pass configuration options and an internal clock drives the data sampling system during a data capture event, which eliminates the need for an external clock source.