Projection clock

A projection clock (also called ceiling clock) is an <a href="/facts/Clock/MYolzNkw">analogue</a> or <a href="/facts/Digital_clock/1D1xwaob">digital clock</a> equipped with a <a href="/facts/Image_projector/ucQKkpAS">projector</a> that creates an enlarged image of the clock face or display on any surface usable as a <a href="/facts/Projection_screen/EfJYBwt2">projection screen</a>, most often the ceiling.
The clock can be placed almost anywhere if only the projected image must be seen. The image generated by most projection clocks is large enough that a <a href="/facts/Nearsightedness/KSqGQPUH">nearsighted</a> person can see it from a distance without glasses or contact lenses. Clocks usually have a conventional display on their body, in addition to the projector,
Projection clocks are also used in <a href="/facts/Advertising/Hgz271hW">advertising</a> and <a href="/facts/Merchandising/1bqc9qV0">merchandising</a>. High-brightness analogue projection clocks can superimpose a business' logo on top of the clock face, while there are low-brightness projection clocks designed for home use that project, for example, a logo in addition to the time.
Some projection clocks are <a href="/facts/Radio-controlled_clock/UdEegbB4">radio-controlled</a>, synchronising with a broadcast <a href="/facts/Time_standard/8WWvDBhl">time standard</a> and always displaying the right time without the need to set them. They may also display other information such as temperature and humidity.

Projection clock open-in-new

Projection clock