Search Results - Photocell
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Photosensors or photodetectors are sensors of light or other electromagnetic energy. There are several varieties /a>
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Showing 1 to 8 of 8 Articles matching 'Photocell' in related articles. |
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1. Application Of Photocell Outdoor Lighting Devices
October 22, 2009
A well-lighted entrance with outdoor lighting exudes an appealing appearance to guests but deterrence to unwanted visitors with criminal minds. There are lights specially created in compliance to the dark sky rule. There are solar-paneled lights you can make use of which are designed for energy saving. At the very entrance of your fence premises outdoor lighting plays a vital role. The gate posts lanterns offer both warm welcome to friends coming as well as safety and security to your home.
Outdoor lights are now designed with certain mechanisms that run in consonance with the rule. Envir... (read more)
Author: Pamela Smith
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2. Out of Home Advertising Terminology (P-Z)
December 08, 2008
Photocell -Photoelectric cell; the light-sensitive component within a photosensor. The actual device might be a photodiode, a phototransistor, or a photoconductive cell. It is important to make a distinction between a photocell and a complete photosensor device. A photocell might be any device in which light controls the electron emission from a cathode, the electrical resistance of an element, or the electromotive force produced by a cell; it is usually incorporated in an electric circuit and used in mechanical devices such as door openers or home outdoor night lights.
Placed-based me... (read more)
Author: Jeff R. Lamb
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3. A DIY Alarm System with Laser Beams
September 19, 2008
Burglaries are on the rise everywhere and home breakings are now an every day occurrence. Securing your home with an alarm system is now essential. In a few simple steps, this article with explain how to build a laser alarm system.
The following is a list of necessary equipment -green or infrared laser module -photocell -6 to 10 small mirrors -adhesive -battery powered Siren
The laser alarm system should be installed at a security point such as a doorway or hall.
Step One: Attach the laser module to the bottom of doorway or beginning of hall.
Step Two: Using adhesive... (read more)
Author: Frank Smith
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4. 21 Vacation Home Security Tips
May 07, 2008
Lock the door and go! That’s how we all want to feel when we go on vacation. You can make your vacation more enjoyable by following these simple steps to make you’re your home is secure and protected while you are away. Tips for Outside the Home Exterior Lighting. Put outdoor lighting on timers, light-sensitive photocell mechanisms, or motion detectors. You want your home to have the "occupied look" in order to deter criminals. All potential entry points such as garage, doors, windows, and basement entry-ways should be illuminated. Keys and Locks. Don't hide keys in mai... (read more)
Author: Bryan Dunbar
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5. The Medicine of the Inner and Outer Light in the Human Photocell
April 20, 2008
That the human body is a living photocell, energized and controlled by light entering the eyes is one of Liberman’s basic and innovative assumptions. 1 Once this light enters the body it has a profound effect on both our physiological and emotional functioning as well as the development of our awareness. Our lives are truly dependent on the sun and the small portion of electromagnetic waves that reach our planet. The approximately one percent of these waves which reach us and are visible, are essential to proper human functioning and evolution. Liberman repeats physicist David Bohm’... (read more)
Author: Bernard Fleury
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6. Solar Garden Lights
June 16, 2007
Solar lights are really easy to install in your garden. All you have to do is to decide on the site you want to lit and stick the fixture in the ground. Best of all they don't need electricity. Some will come with a small built in solar panel on the top; other will have a removable panel that you can place at a sunny and convenient location. During the day the solar panel linked to an electronic circuit, charges the batteries. When night begins to falls a photocell detects the changes in luminosity and switch on the light. At sunrise the light switches off and the charging cycle sta... (read more)
Author: Armand Hadife
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7. Simple But Powerful Ways to Lower Your Lighting Bills
April 17, 2007
Everybody knows that lighting consumes electricity. Based on statistics, lighting is responsible for about 12% of the energy used in a typical American home. That's a huge chunk of your bills! Is there any way you can reduce your lighting bills?
Make no mistake about this, you cannot completely eliminate this need for lighting in the home at night, after all, what is life without light? You need to brighten up your nights with lights, perhaps to move around the house, doing your chores, guard against intruders, and enjoy some reading and so on. But let's try our best to reduce that energy... (read more)
Author: Thomas Yoon
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8. Choosing and installing the right smoke detectors.
February 27, 2007
Even the smallest of house fires can fill your home with dangerous smoke in a few minutes. It is important that you choose the right smoke detectors for your home, install them correctly, and test them at regular intervals.
There are two types of residential smoke detectors available: photoelectric and ionization. With a photoelectric detector, light is beamed into a chamber that contains a photocell. Smoke entering the chamber will scatter the light, enabling some of it to reach the photocell and cause an alarm. Smoldering fires tend to set off photoelectric detectors faster than f... (read more)
Author: Mike Adley
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