How Do Touch Lamps Work

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Touch lamps are lamps that come on when you touch them. Although they are no different from other lamps except for their touch properties, most of us prefer them to normal lamps. There’s something about touching a lamp and turning it on that seems to appeal to most of us. Children especially love these lamps and will spend endless hours turning them on and off.  So let’s read on and see how these amazing lamps actually work.

How do touch lamps work?

Touch lamps have no visible switches. Touching any part of the lamp will turn it on. How this works is, these lamps have a circuit wired under the external layer of the lamp and when one touches the external circuit, a switch is triggered on internally to turn on the lamp.

What is capacitance?

Capacitance is the ability of any substance to hold an electrical charge. Almost all objects have a certain amount of capacitance including the human body. Although in varying degrees, the capacitance of the lamp in combination with the capacitance of the human body are enough to light up the lamp simply by touching it. Touch lamps have special circuits which detect the change in capacitance needed to trigger the lights coming on. So, all you need to do is touch any part of the lamp and you can turn the lights on or off without an external switch.

Dimming and brightness options

Most touch lamps come with three levels of brightness, which can be changed by rapidly touching the lamps on and off. With each rapid touching on and off, the circuit uses different 4 different duty cycles such as 0, 33, 66 and 100 percent to alter the brightness of the lamp.

The biggest advantage of touch lamps over regular lamps is that you don’t need to bother with switches. All you need to do is to touch it to turn it on. In addition to that, these lamps can be a lot of fun and can be an interesting gadget to play with. So if you would like a fun lamp that comes on with the touch of your hand, then these lovely touch lamps are the ones for you.

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Touch Lamps Bedside

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Have you ever wondered why there are so many different kinds of lights? You have ceiling lights, wall lights, floor lamps, table lamps etc., etc. Most of the time you will wonder why you would need so many different kinds. For example if you have a chandelier at home you may very well think that if you install a dimmer switch to it you can dim down the light for those occasions when you do not want it at full power.

Of course this is not a very good example because all of us know that if you want to create a really intimate feeling, there is no way that any system that gives ambient light can be useful. You need something that gives you spot light, in the sense that it lights up only one spot, like a table lamp.

For example, look at bedside lamps. Many of us will have a perfectly good ceiling lamp in the bedroom but we will still have a bed lamp. You may say that it is so because you can switch it off while lying in your bed itself, but then all you need to do is to make sure that you install the switch within easy reach. Or you can connect two switches to the same light so that you can switch it on and off from different locations in the room, a much favored system in hotels.

Some people say that they like the idea of having a small light beside their bed that gives them just light enough to work or even watch TV. Some people even have touch lamps bedside, so that they do not have to go groping around in the dark for the switch. All you need to do is to touch any portion of the lamp and it comes on.

A number of these systems are just remnants from a bygone era, like the wall sconces. They were used at a time when there was no electricity and you needed to refill them with oil. Even the height at which they were kept was keeping this in mind.

For all you know the bedside lamps started out as a candelabra that you blew out when you went to bed, so the next time you go out to get any lamp ask yourself if you really want that one, or if there is some other, more convenient to use and modern looking iteration that you can go for.

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Touch Lamps

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Touch lamps are lamps that are capable of being turned on and off by just touching them. This is nothing great and in fact anyone who has even a slight knowledge of electrical engineering can convert any lamp into a touch lamp without too much problem.

These lamps work on the principle of capacitance. In a nut shell capacitance refers to the ability of any object to hold an electrical charge. Even human beings hold a certain amount of charge although not enough to give others a “shock” and when they touch any object the total capacitance of that object goes up. If you had an instrument that measures the capacitance of any object, say a lamp, and connected it to a switch that will turn it on and off every time the capacitance changes even briefly you have a touch lamp.

There is no danger of any electric shock with these lamps and they are perfectly safe. They can be installed anywhere although most of the designs are for table lamps rather than for wall fittings because of practical reasons. A touch lamp is more a design element or something that is used as a conversational gambit rather than as a lighting system. In fact most of the lamps are small in size and you will very rarely come across even a normal sized one.

Because of this unique property, many touch lamps come in designs that are not traditionally table lamp designs. You get lamps that are made more like decorative items that will suddenly glow when touched. The number of designs is innumerable and going online is a good idea to take a look at all the different designs there are. You can even purchase from online stores if you want and most of them offer discounted prices too.

Touch lamps are a great accessory in your home. Having one on your center table or on a small table next to a chair or sofa is a good idea. Even if you do not need an additional light in the room, having one will give you that “I am different from others” impression. Because these lamps are considered novelty items they are not good for lighting purposes. You however get them in all shapes including antique lamps and slag lamps. In fact you even get kits with which you can convert most normal lamps which have a certain amount of metal to a touch lamp. “Touch technology” does not work with glass and you will need a metal one for it to work and as long as you have a metal stand you can convert it to a touch lamp.

These lamps are not too common and even if you find them at a store you will not have too wide a selection to choose from. Going online is a good way to search for and get a really unique one. Although many people may not particularly want one, it is a really unique gift to give and is much better than other comparably priced curios that are the usual choice for gifts.

Cost wise these lamps are not too expensive either and you get quite good ones for between $30 and $50. many of these online stores also offer really good discounts and you can get a 10% or 20% discount on the price, especially if it is on a sale. You don’t lose anything anyway and if you do find something that you like you are ahead because you have just saved yourself some money. If you know that you are going to need a gift for someone, as long as you allow three days for shipping, most stores will ship it to you well within time.

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