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2. Closed-circuit television camera - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television...

   These cameras do not require a video capture card because they work using a digital signal which can be saved directly to a computer. The signal is compressed 5:1, but DVD quality can be achieved with more compression (MPEG-2 is standard for DVD-video, and has a higher compression ratio than 5:1, with a slightly lower video quality than 5:1 at best, and is adjustable for the amount of space to ...

3. Closed-circuit television - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television

   It is estimated to incorporate the video feeds of a total of 15,000 cameras. [162] The system is used by Chicago's Office of Emergency Management in case of an emergency call: it detects the caller's location and instantly displays the real-time video feed of the nearest security camera to the operator, not requiring any user intervention ...

4. Security alarm - Wikipedia

   en.wikipedia.org/wiki/Security_alarm

   A taut wire perimeter security system is an independent screen of tensioned tripwires usually mounted on a fence or wall. Alternatively, the screen can be made thicker to avoid the need for a supporting chain-wire fence. These systems are designed to detect any physical attempt to penetrate the barrier.

5. Home wiring - Wikipedia

   en.wikipedia.org/wiki/Home_wiring

   What you need to determine is where do you want to install the CCTV cameras and wherever you want the camera you need to install a data outlet. The location where you install the cameras will vary from home to home but typically they are installed so you can see anyone approaching any of the entry areas of the home.

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Hiccups are common and usually harmless. But they can ... - AOL

   www.aol.com/hiccups-common-usually-harmless...

   Hiccups are "involuntary spasms of the diaphragm," Pullins explains. The diaphragm is the dome-shaped muscle that's located below the lungs and heart. When these spasms or involuntary contractions ...