Everything about wireless networks


 

sbthome.org keyword stats



Most current MSN search phrases:

how to hack a wireless network how to hack a wireless router
Hack Wireless Internet how to hack wireless network
how to hack wep hacking a secure connection
stalking on myspace peer to peer connection shuts down
Wireless security-how to hack online network passwords and usernames

IP Cameras - A New Booming Market

What  is  an  IP  camera?Network Cameras can come with two methods of
Zooming: Optical and Digital. One is called
In simplest terms, an IP Camera is aDigital  Zoom.
stand-alone device that transmits audio and
video through a standard CAT5 Network Cable.Digital Zoom discards pixels around the edge
It has a built-in web server which allows theof the video fitting the remaining pixels
camera to run individually without a PCinto the same space to give the appearance of
having to be connected. It also allows you toZooming in. This comes with the expense of
view the audio and video by connectingresolution and causes the Zoomed image to
directly to the camera with your internetlook  very  pixilated.
browser without any software being installed.
This allows you access the camera from anyA post was made on the forums that addresses
location, even over the Internet. Click herethe differences between digital zoom and
to  learn  more  about  IP  cameras.optical  zoom.  Click  here to view the post.
IP cameras have many advantages overInfrared
tradition CCTV security cameras. Some of
these features include wireless connectivity,When needing to view video in the dark,
the ability to view video remotely over theInfrared is the way to go. Cameras can come
Internet, the ability to record to a remotewith a built-in IR (Infrared) lens or the
location  and  ...ability for an add-on IR lens to be equipped.
Infrared is a wave of light that is outside
Advanced features of Network Cameras canof the visible part of the color spectrum.
offer added security for certainInfrared illuminators shine this wave of
applications. These features include, Motionlight  which  the  lens  picks  up.
Detection, Pan/Tilt/Zoom, Infrared, Analog
Output  and  Two-way  Audio.Analog  Output
Lets discuss these features in greaterSome cameras come with an Analog Output to
detail.configure your camera to be notified of
opened doors, alarms, or other events. Once
Motion  Detectionnotified of these events, the camera will
start  taking  snapshots  or  video.
Some Network Cameras come with a feature
called Motion Detection. Hot-Spots can beTwo-way  Audio
setup within the video frame to detect
motion. Once motion is detected, the cameraA Majority of cameras have audio built-in to
will begin recording or generate a snapshotthe camera. This allows you to hear audio
which can be Emailed or sent to a web serveralong with the video the camera displays.
via FTP of the detected motion. Snapshots canSome  cameras  come  with  Two-Way  Audio.
also be sent of images prior to the motion
and  after  the  motion.There are two types of Two-Way Audio. One is
a Full-Duplex Two-Way Audio that allows the
Pan/Tilt/Zoomuser at the PC to hear audio from the camera
and also speak back to the camera and have
Having the ability to Pan and Tilt addsaudio come out of the camera itself. Some
greater security if you have a large viewingcameras have a speaker port on the back to
area. Once logged into a Network Camera withplug in external speakers which will give off
Pan and Tilt capabilities, controls appearthe audio. The second type is a Two-Way Audio
next to your video allowing you to move thewithin the camera itself. The camera will
camera left, right, up and down. The controlspickup audio and send the audio to the
can  be  used  even  over  the  Internet.speakers  hookedup  to  the  camera.
Along with the Pan and Tilt feature, someIn the next article we will be addressing how
cameras come with Zoom. Zooming is also handyIP cameras work.
when a greater detail of video is needed.



1 A B C 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98