Monday, October 1, 2007

The advantages of paper folders

Paper folders represent useful pieces of equipment and are quite easy to use. They have different options and features, helping one to perform more efficiently. On the Internet, there are all sorts of offers for paper folding machines, manual of automatic, making it easy for anyone to choose from.

These machines have a long history and the technology continues to develop. From the manual paper folders clients have now the possibility to purchase automatic paper folding machines, which operate extremely fast and save a lot of energy. Still, selecting the suitable machine for you depends on various factors and the main one refers to the type of work you are involved in.

As the Internet holds an incredible selection of paper folders, when you go online to search for them you must take into account the speed of the machine (sheets/hour), how frequent will you use it and most importantly what type of paper you require. Knowing all these things can help you narrow down your choices for paper folding machines and help you pick out the one that is perfect for you.

Specialists also advise to look into a couple of other characteristics before deciding to buy any product. They say you must browse office equipment virtual stores and consider when it comes to paper folders the following: paper size (letter or larger), type of folding and consecutive order. These features are important, being a known fact that there are a lot of businesses that operate with paper folding machines.

Paper folders can be classified after the mechanism used to fold the papers and they are used widely in offices from various companies, including banks or other financial institutions. They are needed to spare precious time and especially for mass documents. All enterprises handling and spreading information have found them useful and used the Internet in order to find one suitable to their preferences.

If we were to make a comparison between a manual and an automatic paper folding machine, we would discover several differences but also a lot of similarities. The manual paper folder uses a technology called friction feed, moving paper with the help of synthetic rolls and it is quite cheap to use. It has a large capacity to fold and the only downside may be related to the fact that they have fewer options,

The automatic paper folding machine is indeed a great asset for any office. Though not so cheap, it has a lot of interesting features and can handle almost any kind of paper. With the air-suction technology they pull the paper into the folder and represent the perfect solution for an efficient work process. Some of them have digital display and a counter to prevent the machine from folding more than it was set.

One should also know that there are also semi-automatic paper folding machines. These borrow features from both the categories mentioned above and are quite effective. They produce the wanted results and are considered by a lot of people as the ideal folding machine for them.

The invention of paper folders has proved out to be more than useful. Today, folding experts work non-stop to come up with better features and advanced equipment. At the time being, online virtual stores have plenty of offers to attract potential customers and provide what they desire. There are affordable options and one must be patient in order to search for them.

When it comes to paper folding machines, there are a multitude of companies out there presenting their products. The Internet can present to you all kinds of products for office equipment and supplies, all at different prices and having various features. Give careful consideration to the business you are running or the type of work you are doing; then you will be able to choose an appropriate paper folder.


http://www.articleco.com/Article/The-advantages-of-paper-folders/37113

Home Theater Stores - Should I Shop Online or Offline

Buying furniture online is about as controversial as simply shopping on the Internet. Safety issues, stealing identities, and lack of trust has made it a real issue with a certain percentage of consumers. But for home theater stores, it is almost a necessity due to their unique decor and not all of the population being close to a store carrying it.

Local stores can always order it, but that would be the same as shopping online ourself for its purchase - we would still not be able to see it in person before purchasing, for example, the loungers or the popcorn machine. The ability to shop locally would be the ideal answer, as this particular line is new and most people have not heard of it or seen it before in certain isolated areas of our country. However, can they

The big question is whether such items of home theater stores are in your local stores. Are they available in the furniture stores, in the mall, outlet-shopping malls, or in a nearby large city If not, checking online for a particular brand of home theater furniture that is eye-catching may give important information where it could be located.

Some stores will deliver free, but it usually has to be within a certain mileage distance. Otherwise, the delivery fee may be pricey. But for those who are interested enough in this line of entertainment, it will not really matter. That just want it but how safely can it be purchased online

A big example is the Bose manufacturer. Presently, Bose is in the top two positions for best-selling home theater systems for the general public with their 3-2-1 line, with several styles and types available. If a purchase were to be made directly online with the Bose manufacturer for the #1 positioned home theater system, the 3-2-1TM GS Series II DVD Home Entertainment System, we would find it has a base cost of $999.00 with payments as low as $83.25 per month, credit depending.

Express Shipping delivery can be made within two to three days with standard shipping being made from seven to ten days, with prices varying on locations of delivery. It comes in silver or graphite, and has two visible CinemateTM Gemstone speaker arrays - their smallest most powerful 3-2-1TM speakers - with a hideaway Acoustimass module deliver enhanced high quality sound performance.

There are no center or rear speakers, which mean there is no wiring to the back of the room. Its media center is elegant and progressive, with a progressive scan DVD/CD player with AM/FM tuner with a universal remote control to run it all. The module produces low frequencies for all channels with no audible distortion, and can be placed visibly or tucked away.

When purchasing this product, all the above information came from their website, which completely describes the product. In addition, it warns of current dealers, websites, and online auctions which are currently selling Bose products - but are not Bose dealers. If we buy a Bose product from a Bose dealer, it means a genuine Bose product with full warranties. Otherwise, the product could be use, counterfeit or stolen goods, and sold without serial numbers or they have been altered or defaced.

So, purchasing this Bose product needs to come from a local store or the Bose company itself for the above reasons - the Internet is available to people with different levels of honesty and integrity, so it is wise to be extremely careful purchasing from non-Bose manufacturers.


http://www.articleco.com/Article/Home-Theater-Stores---Should-I-Shop-Online-or-Offline/33700

How Do I Know Which Lens Works For A Certain Picture

Selecting the camera lens is an important part of choosing a digital camera because by simply changing the lens, the potential image will change. Understanding all about camera lens will help you get a good shot. They can be categorized as fixed focal length lens, retractable zoom lens, fixed zoom lens, and interchangeable lens.

A digital SLR provides you with the most flexibility for a range of shooting situations, with the best quality of optics, and is suitable for the serious amateur or professional. If you want to upgrade the lens quality, you do not have to buy a new camera. The downside is that it can be quite expensive, and the lenses can be big and heavy.

The focal length can be different for the same lens mounted on a film camera, which is very confusing to those who do not know much about them. A digital SLR with interchangeable lens allows you to detach the whole lens from the camera and replace it with a different compatibility. If you own several lens for a traditional film camera, you can look for a compatible digital SLR body.

The fixed focal length lens is best for novice photographers or those with a low budget. If you can afford it, upgrade to an auto focus lens, with selectable macro or landscape focus modes. But the focal length lens are very easy to use, and come in a compact design while offering a wide-angle view, suitable for landscapes and group photos. However, they usually produce the lowest optical quality. They do not usually accept converters and cannot zoom onto distant objects.

Retractable zoom lens extends from the body of the lens when the camera is switched on, and retracts when it is switched off. They are suitable if we like taking snapshots, have a limited budget, and are not sure about the type of photos you will be shooting.

Retractable zoom lenses allow a very compact camera design and protect the lens with a built-in cover. They offer a zoom range that is usually limited to a magnification of 2X or 3X. They do not support lens filters and converters. Lens extension prolongs the start-up time of the camera and there are limited manual focus controls.

Fixed zoom lenses are fixed on to the body of the camera and do not retract when we switch the camera off. They are suitable if we are a serious amateur or business user and are not sure about the type of pictures we will be shooting. Fixed zoom lenses usually accept converters, filters, and flash rings.

Lens converters allow close-up, wide angle and telephoto photography. They have a zoom range with a magnification of up to 12X. They offer more precise zoom and manual focus control, through rings on the lens, instead of buttons. They usually offer controls that are more advanced. However, the controls may be more complicated than we want and the camera is usually bulkier than one with retractable lenses.

When taking a photo, the first thing to do is choose the subject for the picture. It can be a landscape, an animal, a child, a member of the family, a still life, etc. If the photographer desires to bring the subject closer, choose a telephoto lens - a lens with a focal length greater tan 55mm. If the photograph needs to be broadened, the selection of a wide-angle lens is chosen, a focal length of less, with 40mm.

When a regular lens is used, with a focal length of 40 to 55 mm, if offers the maximum aperture range for a wider variety of lighting conditions. If money is not a problem, go for a zoom lens. It reduces expenses and increases flexibility, with only one lens.


http://www.articleco.com/Article/How-Do-I-Know-Which-Lens-Works-For-A-Certain-Picture/32618

Impression of testing two way radio Midland GXT 550

Design
It's to time to tell about my testing of Midland GXT 550. This two-way radio differs from Midland GXT 500 only in camouflage coloring of enclosure. The enclosure is made of thick rough-service plastic. Once you take it, you feel its massiveness. It's no wonder, as it weighs 6.9ounce (196 gram) with battery and clip. To say about battery, it's NiCd (nickel-cadmium) with capacity 600mAh.Testing Preparing for the test So, let's try to prove or deny manufacturer's statement about connection distance. Having charged battery and turned on our two-way radios at full power my friend and me went in opposite directions.Connection range in the city At first we decided to have a walk in the city and to check the quality and range of communication. To save time we chose district at the end of the city as non-uniformly built-up area. My friend stood still, I moved away on certain distance and periodically tried to connect with him. At the first interval of my way the connection was clear in the distance of about 1.2 km taking into account that I was in the car, as it influence badly on connection quality because metal impedes passing of radio waves. Having turned on ring road, I noted some impairment of connection, I heard bang, noise etc and couldn't explain the reason as far as the distance didn't change much. I drove some more, then got out of the car and tried to connect but there was no result. This journey is reflected on the map number one (1). Here you can see and approximately estimate the distance of Midland GXT 550 operation.

Having turned about I drove in opposite direction. This tour is indicated as number two (2). Truth to tell, the results do not much differ from the previous ones, the range of clear communication was about 0.75 mile (1.2 km) and when the road turned the connection was lost but resumed in several tens of meters.In the city on the straightaway

Don't hurry to feel upset about not so good performance. In the next experiment we succeeded in having decent operation with 5 watts of power.
Then we decided to take up position at opposite ends of the city, namely on two railway bridges, and tried to connect on supposed straight line across the whole city.
Now about the results. The quality of communication is not ideal, though there were bang and noise it didn't disturb much. The range of communication was 2.93 mile (4.7 km). I guess, it could be much better.Out of town on highway
Cheered up we decided to try our strength, that is the strength of Midland GXT 550 radio, along main highway that led from the city to the one of the region's town. I left my friend on the railway bridge almost in the center of the city and rapidly moved away. First communication sessions I had from car and they were literally ideal. So, I drove out the city without getting of car, it was about 6 km.
Having the cheek or better to say having the confidence I passed the town at high speed, then passed new-building area and stopped. Referring to the speedometer the distance counted up 7.5 mile (12 km). And there was CONNECTION. And it seemed not to be the limit. From the satellite you can see the picture of site I talk about.

Accessories
Headset
It is necessary to note that the headset going with Midland GXT550 works perfectly and provides good audibility in the city, where the level of noise is always very high. As for me, I don't like to attract unneeded attention, so I hide my two-way radio under my jacket and turned on eVOX, (this feature is for hands-free transmission).
The only deficiency when the level of noise is very high the two-way radio almost all the time works in transmit mode and it is impossible to change the mode to receive forcedly. If you don't want your battery to run down quickly it's better to use the button of transmission on the wiring of headset.

Battery
I bought two-way radios with battery in pack (capacity 600mAh) and I should say those battery have very long life. I have never had such problems when it is necessary to connect promptly and radio is out of work. Keep in mind, in case of low battery level two-way radio switches itself to reduced power mode, that's why I recommend you to have spare  batteries, which may prove useful, who knows.

Conclusion
Two-way radio Midland GXT 550 has firm enclosure and stable antenna, also the radio is waterproof and there is little place for dirt to accumulate.
The capacity of batteries in pack is 600 mAh, that is enough, but at present time there are batteries with capacity of 2000 mAh and it would be great to have such ones.
Headset is rather good thing, when you do not want to attract attention. With it you have very clear sound as if you talk face-to-face.

The ranges of our connections:

* in the center of the city 0.75 mile (1.2 km)
* in the city (on the straightaway) 2.93 mile (4.7km)
* out of town on highway 7.5 mile (12 km )

Neither accuracy nor approach of this investigation can be the ground to consider it seriously. It just depicts my experience with use of Midland GXT 550 two-way radio and I hope it helps you to get some idea about performance capabilities of Midland two-way radios and choose them for personal use.

http://www.articleco.com/Article/Impression-of-testing-two-way-radio-Midland-GXT-550/24418

Review Of Best Air Purifiers

Picking the best air purifier is a very difficult decision since the need of each allergy or asthma situation has different needs. Adding to this tough task is different allergens and different types of home pollutions are removed in different ways. Below are some comparisons of some of the more popular type of air purifiers.

Air Purifiers with HEPA (High Energy Particle Arresting) filters were originally developed for the atomic energy commission and are used in commercial clean rooms to remove particles of dust and other airborne pollution. This is a paper or polymer sheet with very tiny holes that allow airflow to pass though the material but not very much else. The holes are so small you need a lot of surface area for a reasonable amount of airflow to pass though the material. It is because of this that the medium is always folded in an accordion or zigzag fashion to get a lot of surface area in a small area. There is also a mixed version of the technology that one manufacturer uses where the holes in the HEPA filter are slightly larger to promote more airflow but the air is charged with electrostatic wands. Which then attracts any of the smaller particles that get thru the holes. HEPA Filters work well in the home for trapping particulates. The disadvantage is that the filters must be changed regularly (every 6-months to 5-years depending on the manufacturer). Before purchasing you would also want to review how much air by-passes the filter, fan noise, how long the filter is good for and finally price of both original unit and replacement filters. The review of any HEPA unit depends on the efficiency (how much air by-passes the filter), fan noise, filter life and price.

UV air purifiers use ultraviolet light. Ultraviolet light in the right intensity destroys the DNA of microorganisms such as bacteria and viruses. The disadvantage of a UV air purifier is that removes very few gas pollutants and no air particles. It would be necessary then to purchase a UV air purifier along with another type or one that combines with another filter system.

Ion Generator Air Purifiers are small air purifier devices that put out a stream of negatively charged Ions. These ions charge particulate pollution and when the particle bumps up against something it sticks due to the electronic charge. These devices are used on US submarines and in the poultry industry to keep the feather dust down.
These air purifiers do what they say but there are some very distinct disadvantages. Particulates end up on your walls so your walls turn black near the device. Secondly, since they typically do not have a fan they only work in a localized area. They also do nothing for gas pollution and some may put off some dangerous Ozone.

You can see just with the 3 examples above there are differences in air purifiers. Research and comparison shopping is necessary to find the right purifier for your specific case. Do not allow promotional hype to sway your judgment, picking the wrong air purifier is as bad as not having one at all.


http://www.articleco.com/Article/Review-Of-Best-Air-Purifiers/20772

How To Download Video To PSP

Your PSP is a powerhouse of different options. You will find a large selection of different videos and games to download online and some of them are even free. Once you get your new PSP home you will be able to download full DVD quality movies and videos, video clips as well as music videos. In just a few seconds you can download all kinds of great things to watch!

The trick to any PSP download is knowing how to do it. It is a good thing that these downloads are easy to do and even easier to watch. You can even download the videos and movies that you have on your computer now onto your PSP.

This is an especially handy feature as it allows you to take your video watching to a whole new level. Once you transfer them you can take them with you anywhere you go. This is a fabulous feature when you do a lot of traveling or commuting. It gives you something fun to do in any situation. Just think of how much easier it will be to be stuck in the car with the kids! They will never complain about being bored again no matter how long the ride is.

Downloading one of the millions of videos that are online is so easy you will be shocked. All you need are a couple of tools, for example you will need a PSP USB cable or compatible memory stick reader. You will also need to purchase, if you have not already, a memory card that is at least 256MB big. With these essential tools on your side you will be able to download as may films or movie clips as you want to right away.

There are all sorts of different formats that you can download to your PSP. You will be able to download all of these formats: AVI, MPEG, RM, WMV, MOV, MP4, MPEG4, XVID, DIVX, AC3, OGG, 3G. That is some serious download potential!

There is also some freeware that you can download online that will help you to download videos even easier. Here is one of the more popular file managers that you can use for free:

PSP Video Manager:

Any PSP owner can use this file manager to import PSP MPEG4 files to their PSP with ease. Not only can you import video files you can export files as well. You can then keep the original files or you can replace them with these new ones you make. This is one of the easiest file managers that you will ever use.

Here are some of the benefits of using a quality video manager to download PSP videos:

They are simple to use and make the process faster
The interfaces are straightforward and basic
In most cases several languages are supported
You will be able to see the size of the file right there on the screen
They can be used successfully by both experience PSP users and newbies.

Your PSP can do so many wonderful things all you need to do is learn how to use it. If you are not using the machine for all it is capable of then you are missing out in a big way. There are millions of titles for you to download and you can do it all in seconds. Today is the day that you decide to make a change for the better and start making use of all that you have at your fingertips.



http://www.articleco.com/Article/How-To-Download-Video-To-PSP/15557

Graphical Calculators: What's So Great About Them

Technology such as the Graphical Calculators covered in this article are rapidly changing our world in many ways and becoming more affordable for the average person. Its worth mentioning however that better technology is actually properly defined as simply a better way of doing something we already do with whatever process we have at hand. Rather than thinking of better technology in terms of computers, hi tech gadgets and such, for example anytime we find a way to get to work 5mins faster than before we have found a better technology to improve our lives in some respect.

Graphing calculators are an extremely useful tool for students, scientists, engineers and mathematicians. They are basically handheld computers, much more powerful than normal calculators and capable of performing complicated algebraic functions. With a larger graphical interface, they are best known for their ability to show graphical representations of mathematical equations, and hence their name.

The Japanese company Casio first introduced graphing calculators in 1985 when they released their fx-7000G. Casio still makes graphing calculators today, but the market is now dominated by Hewlett-Packard (HP) and Texas Instruments (TI). Casio has since focused their marketing on the grade school and junior high school applications of graphing calculators, where HP and TI now control the high school, college, and professional markets.

Since most graphing calculators are allowed on standardized tests such as the SAT, they are a valuable tool for students. Some of the more modern models have a QWERTY keyboard setup and have thus been declared to be �computers� and not calculators. These models are not allowed for use on the SAT, and are therefore not very popular amongst students.

**Running Commentary** - Its interesting to note at this point that Graphical Calculators are going to range in price quite a bit and you really need to first identify your needs and wants and when you go shopping make sure you don�t overspend for features you want but don�t really need. As technology so quickly becomes obsolete 1. many of the features will become obsolete 2. later models will be cheaper if not superseded by a later model with newer features and 3. are you going to actually have time to read the whole manual and understand how all the features work (I know I never figure out all the features of any new gadget or gizmo I buy)

The two most popular non-QWERTY style models today are the TI-89 Titanium Edition, and the HP-49G+. They are both generally as powerful as the QWERTY models, such as the TI-92 and the Voyage 2000, but are much smaller and more convenient. Their prices are nearly the same in most stores and generally fall in the $140-160 USD range.

Personally, I am a long time user of TI model calculators and would recommend the TI-89 over the HP. The TI is capable of better resolution on its screen, and seems a little more user friendly. The TI is often thought to be marketed more for students and other non-professionals, and for their needs it is more than enough.

The HP does have an SD expansion card upgrade available that can allow users a virtually unlimited amount of memory, but I don�t see a need for more than the 2.7 MB the TI-89 Titanium comes with. When I was in college I was able to put all the programs and even games I wanted on my TI-89 with space left to spare. Plus, the HP has suffered from a series of manufacturing defects, which though they have since corrected, still has me a little uneasy about their products.

When buying a calculator, it�s a good idea to research what your needs are exactly. Maybe you�re going to need a lot of memory and the HP-49G+ is better for your needs. If you don�t plan on using it for tests and don�t care about size, you might want to consider a QWERTY layout. Is there a specific model your instructor recommends Are there specific models you aren�t allowed to use

Whatever your needs may be and whether you are a student or a professional, graphing calculators can be a valuable asset to help you better understand the complex world that is graphical mathematics.

To wrap up our article about Graphical Calculators I wish you luck in putting your new technology to use in your home/work life. In the last 20 years I have seen so many examples of new technology come and go I cant help feeling excited about what I�m going to see in the next 20 years. Although many people seem to feel a sense of foreboding about new things changing their lives in a negative way I must confess that I don�t have this fear at all (at the ripe old age of 40 anyway). I understand that new and changing technology is not only inevitable but in fact is opening up more opportunities for us all than ever before in our history and we should only feel threatened if we choose to cling to the past and somehow expect the rest of the world around us to do the same.


http://www.articleco.com/Article/Graphical-Calculators--What-s-So-Great-About-Them/10190

Review of the Motorola Razr v3c by an Everyday User

Design - The Motorola Razr v3c design gets an A+. The phone doesn't feel cheap at all, in fact it feels more sturdy than any other phone I've ever had. The all metal design makes the phone feel like it's going to last for a really long time. I really like the look and the coloring. It perfect for a guy, and now there is a pink version recently released by Verizon Wireless that's perfect for the ladies. A close friend of mine just got one, and the coloring is super cute for the 'girly girls'. The pink version looks slightly purple in most of the pictures I've seen online, but is actually more of a rose pink.

Camera - The Razr v3c camera is the best camera I've had so far. I've taken pictures that actually look good! This is a first for me, even though I've had two other camera phones. I've sent a few to some friends that were surprised that I took the pictures with my phone. That has to say something for the picture quality. I know that there are some camera phones out there with higher resolution, but I'm very much satisfied with the camera on this one.

Features - The Razr v3c has some really cool features. Here are some of the ones that stood out initially. The voice dialing feature on the phone shows that Motorola has come a long way in their voice recognition technology. You don't have to prerecord the names anymore, and it still works better than my old phone, even though I had prerecorded all the names. I actually use the feature sometimes. I never used it before because it didn't work well enough on some other phones that I had. Another feature that really sets this phone apart is it's VCAST abilities. I can watch stand up from my favorite comedians, or watch the big finish from PTI, a popular show that I love on ESPN. There are a lot more free videos to watch than I expected. I love the feature and use it habitually.

Screen - The Razr v3c screen looks so incredible! When watching videos, it actually looks like the television! It really does. I'm very much impressed with it. The screen doubles as a viewfinder for taking photos, and the lag time isn't as noticeable as it was on many of my other phones. In fact, I don't notice it at all. Normally LCD screen change drastically when viewed from different angles, but with the Razr v3c I don't notice it at all.

Audio - The Razr v3c has an internal 22 kHz speaker, and sounds great. It does sound like a smaller speaker, but that's what it is. When watching videos, there isn't any problem at all. A group of people can easily listen and hear everything comfortably.

Messaging - The itap predictive technology that Motorola uses took some getting used to for me. I had always used t9, and itap is a little different. Overall I like it though, and it's just as easy to use as t9.

Internet - This phone absolutely gets an A+++ when it comes to the internet. With new ev-do technology, this phone can browse the web much faster than any phone I've used. You can watch streaming videos that come in high quality. There is almost no wait time.

Usability - I have one complaint about this phone. The operating system is a little slow. There is a slight lag that you notice when going through the menu. It's especially noticeable when trying to respond to text messages. I would love to see Motorola update the firmware, I think that's all it would take because the phone is powerful enough to be much faster.

Overall - This phone is great. I give it an A+ overall and will probably use it for a long long time.



http://www.articleco.com/Article/Review-of-the-Motorola-Razr-v3c-by-an-Everyday-User/8171

Battery Chargers And Related Terms

Types of Battery Chargers:

Simple or Manual Battery Chargers: This type of chargers connects to a constant DC power source and uses a small current to gently charge batteries. They are generally slow and since they do not alter their output based on time, the user has to manually stop charging by cutting off the power supply. A 2000mAh NiMH battery may take up to 36 hours to be fully charged with this type of chargers, but this longer charge duration can be useful to avoid over-charging. Simple battery chargers are also inexpensive but quite effective.

IC Timer Controlled Battery Chargers: IC just stands for Integrated Circuit, in which timing is monitored by a silicon chip. Timer batter chargers has the same output similar to simple chargers but they charge in less than half the time of manual chargers and output is ceased after a pre-determined time. However, they are not suitable for top-up charging and they may overcharge because they can�t determine the initial of batteries. This means that if a battery has already been fully or partially charged, IC timer controlled battery chargers will still try and charge batteries for the full duration of its timer. In order to combat this complication, some of them have �overcharge protection� sensors.

Intelligent or Microprocessor Controlled Battery Chargers: When a specific voltage is reached, a microprocessor controlled battery charger is able to determine when to stop fast charging and then �trickle charges� the battery. Not only that, it also monitors temperature and time under charge to determine the optimum charge current at that instant. This implies that batteries in any charge state can be fully charged in less then about 3 hours without risk of overcharging, because termination of the charging is based on the combination of the voltage, temperature and time indication. Microprocessor controlled battery chargers are the latest, safest and most efficient battery chargers today.

Fast Charging and Top Up Charging:

�Fast charging� refers to the rapid charging of batteries fully, usually within one to three hours. This may result in shortened life or reduced capacity if current is not controlled. �Top up charging� means charging a re-chargeable battery before it has been completely discharged.

Trickle Charging:

�Trickle Charging� refers to a very slow rate of charging in order to keep fully charged batteries at their maximum energy level, which prevents overcharging. Battery capacity between 1/30 and 1/20 Milli-Amp-Hour (mAh) are considered to be �trickle currents� in which for a 1600 mAh battery, for example, 50 and 80 mA is measured to be suitable. All newer battery charger models use this �trickle charging� system which allows for a safer and more efficient battery charging.

Delta V + T Control:

�Delta V control� refers to a method in which the charger automatically detects when a battery is fully charged. This method controls and monitors when the charger is supposed to stop fast charging and switch to trickle charging mode. �Delta T control� on the other hand monitors battery temperature and controls charging depending on the temperature profile. Both these methods require full microprocessor control, and are capable of "topping-up" partially discharged batteries.


http://www.articleco.com/Article/Battery-Chargers-And-Related-Terms/2979

Home Theater Wiring: Uses and benefits of HDMI Multimedia Interface Cables

The HDMI 1.3 cable is the newest version of the multiple multimedia interface cable that can be used to connect a number of electronic devices into the same interface. Compared to past models of the cable, which have changed relatively little compared to their predecessors, the 1.3 version has an array of new features that makes it the most adaptable of the bunch. But just what are the real benefits of using the HDMI 1.3 cable compared to the others? You would be surprised, I’m sure, to learn of all the ways that this new version will expand your multimedia interface and make it easier for you to combine your electronics.

To understand how this HDMI cable is going to help you, let’s first talk about Digital Visual Interface (DVI). This is an uncompressed digital connection scheme that was actually originally developed for a network of personal computers. It was to be a low-cost, high-bandwidth digital connection between PCs and digital monitors, so that you could view your work on the best of television sets. Now it is the most widely used digital display interface in the computer industry. What does all this mean for your home theater system? Well, it means that you can include the DVI with it, especially by using DVI connections on projectors, monitors, and advanced DVD players, such as the new HD-DVD players.

HDMI cables come in when you want to hook up a High Definition Multimedia Interface (HDMI) system with that of a DVI. HDMI cables can carry video, audio, and inter-component operability commands (remote control signals) on one digital interface that has been built on the success of DVI. When a device is connected to an HDMI 1.3 cable, it gets all the video performance that DVI has to offer, up to and including 1080p.

Compared with your standard A/V interfaces, HDMI interfaces actually have a number of important advantages. The uncompressed format delivers digital HD video, multi-channel audio, and control signals between various HDMI and/or DVI components. By combining all this power into one cable, HDMI offers a convenient connection alternative to the maze of existing analog A/V cables that plague your home theater.

The HDMI 1.3 cable actually offers six distinct benefits to the HDMI world. The most obvious is the higher data transfer speed that it offers. It also supports a special format type known as Deep Color. This is the brand new color space used in video electronics. It can support 1.8 times as many colors as RGB (Red, green, blue color schemes), which helps it to show all the various colors found in nature. Incorporating automatic audio syncing capability is also a new feature for the HDMI 1.3 cable. This system will automatically adjust for the difference in electronic latency between the processing circuits of the sound and the image. This discrepancy usually comes up as a slight delay in sound and image correspondence, but it will be unnoticeable thanks to this new cable version.

In addition to all of this, the HDMI 1.3 supports the output of Dolby TrueHD and DTS-FD Master Audio streams. These are the lossless audio codec formats used on HD DVDs and Blue-ray discs. The cable is only useful here if the DVD player can’t send information in an uncompressed format, though. The HDMI 1.3 can be used with a number of products, including the latest DVD players and the Playstation 3, which you may be interested to know, is the first product on the market that uses a HDMI 1.3 wire connection.

So if you’re looking for the best connectivity possible, look into purchasing the HDMI 1.3 cable. The benefits HDMI 1.3 provides your home theater wiring set-up can’t be beat, and you’ll soon find yourself able to transfer data like never before.


http://www.articleco.com/Article/Home-Theater-Wiring---Uses-and-benefits-of-HDMI-Multimedia-Interface-Cables/57712