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Home Video Surveillance Systems: Using PIR Motion Detectors For More Efficient Home Security Surveillance

By Jeffrey Parker

For peace of mind, there’s really nothing that beats a body guard. You know, someone trained in self-defense and paid to jump in front of a bullet for you. Trust me – you’ll have a long search ahead of you if you try to find a high-ranking celeb or politician without one. Many even have teams of people providing home security surveillance , monitoring the entry points to their estates, watching over them while they sleep.

The sad truth for the rest of us is that people are expensive commodities and, since Abe Lincoln had his way with the constitution, not something you can purchase once off. Machines, on the other hand, well, you can rely on your dishwasher to keep washing those dishes until one of the parts gives or the power cuts out. Built-in obsolescence aside, technology will work for you forever. Now, a well-designed, fully-integrated home security surveillance system certainly won’t be able to protect you from intruders – but a wailing alarm siren coupled with the fear of being identified on camera will do a lot to scare would-be burglars away.

The problem people first encounter with home video surveillance systems is logistical. Just how are you going to store all that footage? If your home security surveillance system includes numerous cameras, you’ll find that just a few days of recording can call for terabytes of storage space. Since even expensive HDVRs (Hybrid Digital Video Recorders) are only scaleable up to sizes of about four terabytes, the first part of the answer is that you’ll need to use a looped system of recording, whereby you keep between a couple of days and a couple of weeks worth of footage before taping over it. With the increasing speed of internet connections and the growing efficacy of wireless technologies, most people are choosing to sign up with online storage clusters that will sell you storage space according to your requirements. You can access this footage through your own private website. This method is great, as it all but eliminates the possibility of crooks messing with your footage to cover up their crimes.

On the other hand, you could just use PIR motion detectors to regulate the active recording done by your home security surveillance cameras. PIR motion detectors require negligible quantities of electricity and need zero storage space insofar as data usage is concerned. Your can rig (or have a professional rig) your PIR motion detectors so as to activate your home security surveillance system, thus eliminating the need for recording when there’s nothing going on in front of the cameras. These nifty little devices cover a cone-shaped area in front of them., and are set off by any significant change in the heat of that area. In other words, if a person moves across the visual field of a PIR detector used to detecting the thermographic radiation of couch or a wall, the device will perceive that change as motion, setting the siren sounding and bringing your cameras to life for a specified period after the last detected movement or change in the observed regions.

All you need to do for an efficient home video surveillance system is to have your PIR motion detector rigged to activate the recording function of your cameras, and BAM – your information storage costs just dropped to negligible levels. Your system will now record only when it has to, for a fixed period. It’s possible to make such a system even more effective, if you’re willing to shell out some cash for panning, tilting and zooming (PTZ) cameras. These are capable of tracking motion, shifting to follow the actions of intruders. If that’s too expensive, you can get motion-activated dummy PTZ cameras, which could do a lot to scare off thieves before they even enter the premises.

These days, you can buy a PIR motion detector for under $20, and simple webcams and door and window contacts cost even less. Thus it’s certainly possible to build an effective home security surveillance system using only the cheapest of materials, even as more sophisticated, state-of-the-art technology offers advantages that aren’t easily replicated on shoestring budgets. Obviously, the choice of whether to build your own home video surveillance system or sign up with a security company like ADT and have skilled technicians do the work will come down, first of all, to how much cash you have to play with, and second, whether the prospect of building your own system appeals to you. Remember that an alarm can only do so much when it comes to scaring off criminals – having a security agency capable of backing that warning up with armed force is truly invaluable in any crisis situation.

Learn more about Home Security SurveillanceStop by this site where you can find out all about Wireless Security Cameras and what they can do for you.

categories: Home Video Surveillance,Home Security Surveillance,Video Surveillance System,Wireless Security Cameras,home security systems,home security,home improvement,home

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Article Citation
MLA Style Citation:
Parker, Jeffrey "Home Video Surveillance Systems: Using PIR Motion Detectors For More Efficient Home Security Surveillance." Home Video Surveillance Systems: Using PIR Motion Detectors For More Efficient Home Security Surveillance. 20 Dec. 2009. 7 Aug 2014 <>.

APA Style Citation:
Parker, J (2009, December 20). Home Video Surveillance Systems: Using PIR Motion Detectors For More Efficient Home Security Surveillance. Retrieved August 7, 2014, from

Chicago Style Citation:
Parker, Jeffrey "Home Video Surveillance Systems: Using PIR Motion Detectors For More Efficient Home Security Surveillance"

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