A device that measures or detects a real-world condition, such as motion, heat or light and converts the condition into an analog or digital representation. An optical sensor detects the intensity or brightness of light, or the intensity of red, green and blue for color systems. See smart sensor, sensor network and mote.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- Finding pocket cameras with the best anti-shake feature
- All of us are susceptible to some camera shake now and again, either from unsteady hands, dim lighting or just a large gust of wind blowing past. Sometimes you need a camera that will account for this problem more than others. Here are three cameras that are reputed to have...
- Blog posts 2009-11-03
- How to take clear pictures at night
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- Discussion threads 2009-10-30
- Kodak 5250
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- Product reviews 2009-10-29
- Fresh Diagnose 8.24 (Windows)
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- Software downloads 2009-10-27
- Samsung Moment (Sprint)
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- Product reviews 2009-10-22
- Windows 7 killer deals commence; 7 days of PC specials, $30 OS upgrade
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- Discussion threads 2009-10-22
- Apple Magic Mouse
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- Product reviews 2009-10-21
- Attackers could steal crypto keys from mobile devices
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- News items 2009-10-21
- HTC Tilt 2 (AT&T)
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- Product reviews 2009-10-20
- Canon introduces EOS-1D Mark IV Digital SLR Camera
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- Blog posts 2009-10-20
- NEC MultiSync P221W
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- Product reviews 2009-10-19
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- Discussion threads 2009-10-16
- RIM BlackBerry Storm 2 (Verizon Wireless)
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- Product reviews 2009-10-15
- Motorola Cliq (T-Mobile)
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- Product reviews 2009-10-15
- LG Bliss - white (US Cellular)
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- Product reviews 2009-10-14
- Answering your digital camera and camcorder questions
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- Discussion threads 2009-10-14
- Pioneer AVIC-Z110BT
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- Product reviews 2009-10-13
- Sony DCR-DVD650
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- Product reviews 2009-10-13
- Nikon D3S photos
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- Image galleries 2009-10-13
- JVC debuts its first mini-HD camcorder: the PICSIO GC-FM1
- Should Flip be worried about yet another entry into the mini-HD camcorder market? JVC announced today the release of the PICSIO GC-FM1, its first mini HD digital camcorder. The new gadget, built with 4x digital zoom, shoots 8-megapixel stills and 1080p Full HD video in MPEG-4 AVC/H.264 format, storing movies...
- Blog posts 2009-10-13
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