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KeepSafe Systems is dedicated to providing a high level of customer service in the Security Alarm Industry Misc Links *Products* *News & Blog* *The Sales Spiel* *Verify A Security Alarm Company or Installer* 604-874-8772 877-888-8772	<!-- ************************************************************** --> <!-- ************************************************************ --> <!-- THIS IS THE FRAME SEO FRIENDLY CONTENT SECTION FOR TEXT BROWSERS --> <!-- ************************************************************ --> <!-- ************************************************************** --> <TR> <TD width=564 height=60> <P align=center><FONT face="Monotype Corsiva" color=#ff0000 size=6>Video Surveillance</FONT></P></TD></TR> <TR> <TD width=714 height=1> <FONT size=1> </FONT></TD></TR> <TR> <TD align=justify width=706 bgColor=#c0c0c0 height=171 rowSpan=22><IMG height=194 src="images/video.GIF" width=269 align=left border=0>The starting point of any C.C.T.V. system is the camera. Simply stated, a camera is a light sensitive device that converts particles of light into electrical impulses, however, there is a vast difference in the quality of cameras available to the consumer. Factors that differentiate the various cameras include whether they are color, black and white, light sensitivity, image resolution and image transfer technology. The consumer must also consider the inherent advantages and disadvantages in each of these different camera technologies and decide which features best fit their individual needs and goals.<BR><BR>In the past, color cameras have been both very expensive and lack-luster in their image performance, when compared to black and white cameras. New technology is now bringing the innovative technologies closer together in both the price and performance scale. The current differences between the two technologies are almost entirely limited to light sensitivity and light reactivity.<BR><STRONG><FONT color=#0000ff><BR></FONT>Light sensitivity is measured in LUX</STRONG>. The lower the LUX rating, the higher the sensitivity to light. It is important to keep in mind that even the best-rated cameras are limited by the technology of the day, as well as the visibility conditions present at the time of the surveillance. Although great advancements in low light surveillance continue to be ongoing, the image quality in a low light situation will rarely be up to the standards of daylight surveillance.<BR><BR><STRONG>Color cameras</STRONG>, although much more appealing on the outside when compared to their black and white counterparts, generally offer less low light sensitivity than a black and white camera. The other advantage of black and white cameras over color cameras is its ability to "see" infrared light, which is invisible to the human eye. You can test this by aiming a standard television remote at a black and white camera while watching the monitor, the flashes you see are bursts of infrared light. The advantage of this becomes apparent in the ability to light up a dark area with infrared light, thus making images visible in almost pure darkness. With the color camera the area will appear unlit, however, to a black and white camera, the area will appear almost like daylight.<BR><STRONG><FONT color=#0000ff><BR></FONT>The black and white camera</STRONG>'s reactivity to the invisible light spectrum can also pose a disadvantage in certain applications. Infrared light, although not visible to the human eye, is found in abundance in many everyday situations. For example, when aiming a black and white camera at hot pavement, it will "confuse" the camera resulting in an unbalanced image. Professional grade black and white cameras often incorporate infrared cut-filters. These cut-filters inhibit the infrared light spectrum in turn decreasing the cameras low light sensitivity.<BR><STRONG><FONT color=#0000ff><BR></FONT>The C.C.T.V. Industry measures image resolution in horizontal lines</STRONG>. The higher the line rating, the clearer the image will appear. With this fact in mind, consider that all electronic components within a C.C.T.V. System, from the camera, to the VCR, to the monitor. These items are all rated in the same way. The actual resolution of the entire system will only be as high as the lowest rated item. For example, if you have a camera rated at 450 lines and a monitor rated at 300 lines, then the result will be 300 visible lines of resolution because the monitor is the lowest rated item in this example. Another point to keep in mind is that the line rating is "Total lines" not lines per inch. Therefore a 12" monitor with a 300 line rating has a far better clarity than a 17" monitor with the same line rating.<BR><BR>The most recent and predominant advances in the C.C.T.V. Industry are the changes in image transfer technology. This technology deals with how the camera takes light particles and converts them into electronic images. Without going into too much detail, image transfer technologies include the following:<BR><STRONG><BR>Phosphorus Tube Cameras</STRONG> - This camera has low quality, old technology and is susceptible to "image burn". Image burn is when intense light sources will burn themselves into the camera‚s light receptor resulting in the image appearing "memorized". Although this is not a problem with modern day cameras, image burn can still occur on monitors. Tube cameras are also known for poor low light sensitivity.<BR><STRONG><FONT color=#0000ff><BR></FONT>C.C.D</STRONG> - Also known as "Chip cameras". This camera is the most standard of cameras in the professional realm. C.C.D. cameras do not suffer from the problem of image burn and can incorporate various methods of signal processing, which offers a high level of flexibility to the installer.<BR><STRONG><FONT color=#0000ff><BR></FONT>CMOS Transfer Cameras</STRONG> - These cameras are very small and continue to get smaller as the technology advances. Although very attractive in their size, CMOS cameras generally do not offer the signal processing, image quality or low light sensitivity of the higher priced C.C.D. camera models. However, the technologies are slowly growing closer together to the point where CMOS cameras may eventually take over the Surveillance Industry.<BR><BR><B>IP Camera's H264 Compression and the move to Digital Video Surveillance</B> - Since I originally wrote this article pre Y2K, the Video Surveillance industry has changed dramatically. The CCD chip is gone the way of the Phosphorus tube and CMOS has taken over. Along with that, analogue camera's and Coax cabling is rapidly being replaced with "Intelligent" IP Camera's with onboard analytics and POE Computer networks have almost replaced the old method of wiring. <P>Depending on the Camera and DVR you choose, onboard analytics can help you filter through days of video surveillance in a fraction of the time. Pixel search, abandoned objects and virtual trip wires are some of the many digital tools available to help you find the footage you are looking for. A properly designed and installed Video Surveillance system can make searching for Video seem like childs play. On the other hand, an generic knock-off o poorly designed system may very well result in unusable footage and missing surveillance.</P> <P>With the ongoing advances in the technology involved in the Security Alarm Industry, it is important to choose a recognized brand name with history and the proven ability to adapt to change. Firmware upgradability and scalability are more than simple industry buzz words. Digital Video Surveillance is more than just buying a DVR at your local big box store. I suggest you do more research into the brand name and history as you do the technology itself.</P> <P>The Video Surveillance Industries move to the digital relm has resulting in the spawning of a new bread of technician. Computer programmers and various PC Builders have moved into the video surveillance market like gangbusters. As a result, PISA, the British Columbia governmental department responsible for Policing, Private Investigators and the Security Industry as a whole has stepped in to try and regulate this run-away industry filled with under qualified "trunk-slammers". I am by no means saying all IT techs are trunk slammers, I am simply pointing out the IT technician industry is seriously lacking regulation. Sure there is Microsoft Certified or Cisco certified technicians but what does that really mean in the world of Security?</P> <P>As with the Security Alarm Installation industry, all Video Surveillance installation companies and installers MUST BE REGISTERED WITH PISA. This means fingerprints and criminal record checks. If you are looking at having any type of Security Alarm System or CCTV Video Surveillance System installed, you can always check to see if the company providing you with the quotation is registered with the Provincial Government. Their website keeps changing, so a simple search for Security Programs British Columbia or PISA British Columbia should bring you up their website. Last time I looked, they had an online tool for verifying both Security Employee's and the Company they work for.</P> <P>KeepSafe Systems is fully registered ad licenced with the Province of British Columbia as both a Certified Electrical Contractor as well as Security Alarm Installation - Full (Which also encompasses Video Surveillance Systems)</P> <P> </P> KeepSafe Systems is authorized to Install Mobotix IP camera's. Made in Germany, Mobotix IP camera's are top of the line IP surveillance camera's which are built on a Linux Platform and are accessible with Windows, Mac, Iphone, Blackberry, Linux and pretty much any Browser available. Mobotix IP camera's are also SIP Audio and video capable. They can be used as a door intercom and Audio/Video alarm verification. For more information on Mobotix IP camera's check out <a href="http://www.mobotixtech.com">http://www.mobotixtech.com</a> <P><FONT face="Monotype Corsiva" color=#800080><SPAN id=up-member-about-text>The KeepSafe Systems service area includes but is not limited to North Vancouver, West Vancouver, Richmond, Delta, Tsawassen, Ladner, Surrey, Cloverdale, Abbotsford, Mission, Aldergrove, Maple Ridge, Haney, Port Coquitlam, Coquitlam, Port Moody, Burnaby, New Westminster, Kamloops, Kelowna, Courtney, Comox, Nanaimo, Lions Bay, Squamish and pretty much everywhere in between.</SPAN></FONT></P></TD></TR> <!-- BASIC INFORMATION --> KeepSafe Systems installs services and provides Security Alarm System monitoring services for security alarm systems in the Vancouver area of the Lower Mainland Fraser Valley British Columbia. We install hardwired security alarm systems because we have found them to be far more reliable than wireless security alarm systems. We have various pet friendly security system options available for you including floor flex sensors and glassbreak detectors. When it comes to pet proof motion detectors or pet friendly motion detectors we have found them to be unreliable and therfor rely on better pet friendly security alarm systems. The KeepSafe Systems service area includes but is not limited to North Vancouver, West Vancouver, Richmond, Delta, Tsawassen, Ladner, Surrey, Cloverdale, Abbotsford, Mission, Aldergrove, Maple Ridge, Haney, Port Coquitlam, Coquitlam, Port Moody, Burnaby, New Westminster, Kamloops, Kelowna, Courtney, Comox, Nanaimo, Lions Bay, Squamish and pretty much everywhere in between. Your browser does not support inline frames or is currently configured not to display inline frames.
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