Printer Friendly
The Free Dictionary
989,951,390 visitors served.
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

photodetector
(redirected from Photo cell)

    Also found in: Wikipedia 0.04 sec.

A device that senses light. It uses the principle of photoconductivity, which is exhibited in certain materials that change their electrical conductivity when exposed to light. See photoelectric, photocell and photodiode.
?Page tools
Printer friendly
Cite / link
 Email
Feedback
? Mentioned in ? References in periodicals archive
 
Last night at work a waitress, Shelley, received a photo message on her photo cell phone.
Put a stop to cellular nude photos by The Register-Guard (Eugene, OR)
Normally, security lighting will come on when sunlight diminishes to a certain point during the evening, triggering a photo cell attached to the system.
Spotlight on security by Zamengo, Edward / Parks & Recreation
If the sand is dry, it falls through a slot where a photo cell sensor detects the material and adds water to the muller.
Green sand system controls by Schulze, W.E. / Modern Casting
More results
 
Encyclopedia browser? ? Full browser
 
 
Encyclopedia
?

Disclaimer | Privacy policy | Feedback | Copyright © 2008 Farlex, Inc.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Terms of Use.