Products
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eNVIEW
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What's
DVR ? |
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What's DVR ?
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Digital Video Recorder
(DVR) is a revolutionary security surveillance
system. Digital Video Recorder uses latest image
compression technology to record cameras' images
into the DVR's Hard Disk storage.
A DVR that stores recorded images and events
digitally within the unit thus eliminating the use
of videocassette recorder tapes as a means of
storage. The DVR can be programmed so that it can be
accessed from outside the premises via the network
via the Internet or computer network using IP
address
technology
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Items |
VCR Type
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DVR Type
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Recording
Method |
Analog
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Digital
Compression |
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Storage Media
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Videocassette
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HDD
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Duration time
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6 Months
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3~5 Year
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Repeat
playback |
Image
Degradation |
High quality
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Recording
quality |
Low quality
image
recording |
high quality
image
recording |
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Multi Ch
Recording |
Extra
equipment |
Included
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Screen
Division |
Extra
equipments(Quad) |
Included
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Recording time
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24 Hours
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1~2 Months
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Image
transmission |
NA
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Available |
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Motion
Recording |
NA
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Available
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Search
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Totally turn
back search |
Range, remote
search |
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Remote
Monitoring |
NA
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Available
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Sensor Input
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Extra
eqipment |
Available
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Avg lifetime
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2 years
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More 5 years
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Image print
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Extra
equipment |
Print out
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Source
: KETI (2002) |
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ITEMS
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PC Type DVR
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Standalone DVR
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OS
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Windows (XP,
2000), Linux |
Embedded Linux,
WinCE,
RTOS |
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Supplement
Functions |
Diversified
functions |
Simple
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Convenience
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Complex SW
functions |
Simple HW
functions
(Remote control) |
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Merits
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-Easily upgrade
functions or SW
-Diversified
applications
-Customizing
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-High reliability
and cost down
-Replace a analog CCTV system
-Easy installation and convenience
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Defects
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-Defects of
Windows -Exposing of virus
and
hacking |
-Inferior to
Expandability
and
flexibility |
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Development stage
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Growing up
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Maturity
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Target market
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Expert market
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Consumer market
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Future
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-Continuously
growing
up in SI
market
-High frame
recording rate
support |
-Replacement of
analog CCTV |
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Items
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Details
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Video Compression
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-What compression
format is applied
in order to process of digital image
-Considering of compression
complexity, playback and search
performance
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Video display and Recoded
image quality
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-The quality of
image display
: Hardware design
-The quality of recorded image,
which is stored in high resolution.
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Network Transmission
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-The size of compressed image so as
to
network transmission |
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Stability
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-24/7 stable operation
-Commodious DVR
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Visible
Technology Trends in DVR |
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Why
compression |
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 A
large data can be stored in limited space. |
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Gate Control System |
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Parking lot |
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Company's R&D Center
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Security facilities |
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Monitoring System
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Manufacturing, Construction sites
monitoring |
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Material facilities, large plant
monitoring |
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Power plant, Risk facilities monitoring |
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IBS monitoring |
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Videoconferencing |
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Multi videoconferencing |
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Cyber learning |
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ITS |
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Traffic image information
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Control center system |
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Parking violation control |
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Internet ad and real time broadcasting
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multi ad or broadcasting system of
hotel, public
organization |
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