Posts Tagged ‘
LEDs’
Friday, April 1st, 2011
The dome security camera is one of the most popular types of digital video security camera in use today. Thanks to modern technological advances a lot of electronic power can be packaged inside a small 3.5 inch diameter dome camera. Not only are they small and powerful, but the average dome security camera is light weight as well (in most cases weighing just under one pound), which makes it easy to mount just about anywhere.
Today, there are three standard types of digital video camera based on shape; the box type, bullet type, and dome security camera. How, what, and where the camera is used usually dictates the type, although user preference is also a factor.
Tags: camera lens, charged coupled device, coupled device, dome security camera, electronic impulses, horizontal extensions, infrared, integrated circuit (IC) electronics, ir illumination, ir light emitting diodes, LEDs, metal oxide semicon, power supply cable, protective cover, security camera, special mounts
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Security Camera|
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Tuesday, January 4th, 2011
A home security gate camera can alert to you to approaching visitors long before they reach your door, prevent unwanted and unnecessary solicitors and assist in providing gate access control.
Home owners often start their residential digital video camera security system with a single home security gate camera. However, after using this camera for a while and realizing the potential security and monitoring power of a digital video camera, they usually return to purchase an entire digital video security system for the house and residential property. This is easy to do as there are systems that easily support up to four, eight, or even sixteen individual cameras.
Tags: Digital Video Recorders, home security camera system, International Electrotechnical Commission's Ingress Protection, IP code, LEDs, outdoor security cameras, pan tilt zoom
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Other Security Articles|
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Monday, October 11th, 2010
What exactly is a 640 x 480 infrared camera? This can be a complicated answer for many reasons. In the following article we will attempt to address some of the characteristics that can make this seemingly simple question so complicated. Specifically, we will briefly discuss infrared technology and the reference to display resolution and how they relate to a 640 x 480 infrared camera.
First lets discuss the meaning of “infrared” when we talk about a 640 x 480 infrared camera. The term “infrared” refers to the wavelength of electromagnetic radiation. The wavelength of infrared radiation generally ranges between 0.7 and 300 micrometers abbreviated as “µm.” The exact range and categories defined may vary slightly depending on the scale that is used to describe the radiation.
Tags: 640 x 480 infrared camera, ccd, cmos, electromagnetic radiation, FLIR cameras, FPA, heat signatures, high quality video image, Infrared Camera, inspectors and engineers, IR, IR LEDs, leakage, LEDs, monochromatic, near infrared digital image, security camera industry, Television Lines, thermal emissions, visible light conditions, wavelength of electromagnetic radiation
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Other Security Articles|
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Monday, August 2nd, 2010
A camera mounted infrared illuminator is used with most night vision infrared digital video surveillance and security cameras to provide invisible light that is used to create an infrared digital video. The illuminator is normally aimed in the exact same direction of the camera lens so that it can provide infrared light beams to illuminate the target area. Infrared illumination can be “seen” by the camera, but cannot be seen by the human eye.
Let’s take a closer look at how a night vision infrared digital video security camera works in order to appreciate the need for the camera mounted infrared illuminator.
Tags: Camera Mounted Infrared Illuminator, ccd, charged coupled device, cmos, digital video cameras, infrared illuminator, LEDs, Light Emitting Diodes
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Other Security Articles|
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Do security cameras need infrared digital camera lenses to produce infrared video images? How does an digital video infrared camera produce infrared images?