LAN
LAN is the abbreviation of Local Area Network. A LAN is a high-speed
network connecting computers that share a common communications line or
wireless link.
LED
LED is the abbreviation of Light Emitting Device. An LED creates an infrared
light frequency when stimulated by an electric charge.
Lens
This device is responsible for focusing the image on the CCD. Most of lens
offer adjustable focal length and aperture.
Linux
Linux is an open source UNIX implementation, and a popular alternative to
the Windows operating system. This freeware is often used in embedded
operating systems found in advanced Network IP Cameras.
Lux
A lux (symbolized lx) is a unit of illumination in the International System of
Units (SI ) used more often than lumens when discussing security cameras.
It is defined in terms of lumens per meter squared (lm/m 2).
M
MJPEG
MJPEG stands for Motion JPEG, which is a video format that uses JPEG
picture compression in each frame of the video. M-JPEG delivers much
bigger file size than MPEG-1, MPEG-3… but makes easier video editing for
having all of the required information stored among it.
Motion Detectors
A device which is commonly used for security reason and sensitive to
specific movement. As a specific movement occurs, the motion detection will
enable the trigger. There are several types of trigger, including recording or
alarm notification. Advanced motion detection is able to analyze the type of
the motion.
MPEG
MPEG is the acronym of Moving Picture Experts Group. This is a working
group of ISO/IEC developing “international standards for compression,
