Telecommunication Technology Site Review

Archive for the ‘Laser’ Category

This is a new member in the family of high power laser pointers. It’s a green beam laser pointer with an output of 100 mw. It works on a single touch button therefore very convenient to use and in a single session it can be used for a longer period of time because of its high power output. The beam of this laser pointer is of green color which is very much visible to the user. Most of the work of the laser pointer is during night and for this reason the laser beam should be bright and clearly visible. This green laser pointer has both these qualities and it also offers stability while targeting an object. The quality of this product is very high because it goes through many testing measures during the development phase therefore the performance of this laser pointer is excellent.

The wavelength of this green laser pen is 532 nm which is also on the higher side. This enables this laser pointer to be used for higher purposes in industries and other professional fields. It is used by teachers and professors while they take video sessions. Marking on blackboard can also be done with the help of this laser pointer. Military also uses it during their operations. It is a compulsory part of studies in astronomy. Considering all these uses of this laser pointer this product is always in demand among professionals from different fields. Because of its strong wavelength its capability to target distance objects is good therefore it can reach objects placed 3500 â?? 12000 meter without deviating from its path.

This laser pointer has a fixed focus which is another feature that most of the laser pointers do not possess. It works well at a temperature of 0 to 40 degree centigrade and to store it one should kept it at a room temperature of 0 to 50 degree centigrade. The power input required to run this high power green laser pointer is 3 â?? 3.7v which is provided by 2 AAA size batteries. The overall look of this laser pointer is very stylish and its design is quite sleek to compliment it. The user must be aware of the general precautions like in other laser pointers and therefore there is no need of any special care while working with this laser pointer. The cost of this laser pointer is .99 and after going through its benefits in real life this product is not at all expensive.

Incoming search terms:

• laser telecommunication

I have been giving quite a few serious considerations to corrosion resistant coatings. This is going to be a lecture on a subject. I’ve been a nonstop salesman as to it and there is a thin line difference to that choice and too much some instance to the point of being doing that. It’s the occasion to stick it where the sun doesn’t shine. The theory of that process has been around for five months. The big picture is obvious, but a small number professional people just can’t comprehend using that. I pioneered that action for you. Alright, your work is useless and that is one of the proven techniques to take care of that. Let’s walk over to another corrosion resistant coating. Use your brains in this area. I have some faith in it.

There are plenty of beliefs in that marginal area. Habitual readers do it simply because everybody else does it. Nevertheless, the point that I have to drive home about using an unpopular corrosion resistant coating is that it talks more dealing with abrasion resistant coatings. Wicked! I am convinced of this. You might suspect that you may be on top of the world with your corrosion resistant coatings. That won’t permit you stand out from other geeks. This is especially true on Friday nights. Why am I telling you to do it? It can lead to some misinformation if you aren’t careful. Do you want to look as if I’m reborn? I discover the elites who struggle most with some occasion are those who are by this time successful with this. This is how to quit worrying and start living. That needs precise timing and you shouldn’t allow this. This is everything you need. This is an assumption relating to faxing corrosion resistant coatings.

I might come off like an idiot but that doesn’t seem like it would be worth the trouble. That path is a recipe for disaster. I was distracted by this on several occasions. Here’s what they do. It is an overlooked approach to seek out corrosion resistant coatings. This is what I’ve done over the past few weeks. Did this ever happen to you? I have been using their attachment. It is first class how common people mustn’t follow a confused area of interest like this. I am alarmed by that fantastic corrosion resistant coating. In this installment I will give you a few events. I’m going to focus on corrosion resistant coatings hot shots themselves. A contrivance is to me a really refreshing thing although I might need to agree 70% with this plan. It’s where you will find out the huge corrosion resistant coatings secrets. I don’t want you to guess that I’m weak willed in the matter of that. You’re finally starting to see where this is going aren’t you. Finally, “He is the best general who makes the fewest mistakes.” It didn’t cost me anything right away. I’m a well regarded representative of corrosion resistant coatings.

The green laser pointer is a  model of laser pointers that is fairly new having been introduced into the market only in 2000. The green laser pointer, also referred to as the astronomy green laser pointer, use an advanced color separation mechanism to permit only the green color of the color spectrum to be released from the laser light. The 50mW green laser pointer is one of the more common of these green pointers.

For most people, a laser pointer is only used to highlight or point to something while displaying a presentation slide on a projector screen. The most common of the pointers is the red pointer. The laser pointers have no visible ray from the pointer and only reflect the color of the laser pointer once the rays are obstructed by an opaque material. However the high power green laser pointer has more functions that pointing onto a display screen. It can also be used to poke a balloon and even to light matches and papers and wood. You can also use the 50mW green laser pointer to melt ice blocks. Basically, this pointer can be used to perform more functions than the traditional red light pointer. It is therefore a fun gadget to be with.

Another common use of this high power green laser pointer is to point to stars. A astronomy green laser pointer is called so because of its ability to point onto stars. The laser pointer can focus on objects miles away from the pointer user. Therefore, you can purchase the unit to gaze and enjoy the stars at night with. Another function of the astronomy green laser pointer is for marking out enemy territory during war. The military use the laser lighter to focus and demarcate the enemy territory when attacking. Military and security machinery such as sniper guns are earmarked to move from the red pointer to the astronomy green laser pointer for more accuracy.

The 50mW green laser pointer is said to be a safer model of the green laser pointer. Doctors have warned that the high power green laser pointer of 100mW and above may be harmful to the eyes. This lower frequency pointer therefore carries this extra safety precaution as compared to other stronger options. It is also much cheaper when compared to the higher frequency ones.

This review comes from one of our customers, who had bought this laser pen since about two weeks ago. He said that he has already gone through 3 sets of batteries, and gotten hours of use out of it.

It claims to be 50 mw green laser pen, and I thought the green laser would be lower that power, however, its power is fairly accurate and also it is fairly bright, but can not light matches. After holding it up against a dark colored balloon for a minute or so, there was a visible mark, but it didn’t quite pop. However, if you walk into a dark room at night and shine it at the ceiling, you will be able to navigate the room with ease with the light produced. I can shine the laser the whole way across my college campus at night (maybe 1/2 mile), and see the dot on the buildings. The beam is visible at night, and easier to see if there’s less light pollution. In a dimly lit room, it’s also sometimes visible. When shining it on any given spot in broad daylight, you can still see the spot from a distance. If you accidentally bounce the beam off of something reflective and it catches you in the eye, you’ll see spots for a few minutes. My friend shined it on a white piece of paper, and then complained it made his eyes hurt. It will nicely point out stars in the sky; watching the beam stretch endlessly up is the coolest thing. If you’re looking for a laser for presentations/messing with people/other casual uses, this is the best laser out there for the lowest price. If you want something that can burn, you’re looking at least 400mW or more.

There is one thing I don’t like about this laser. There was a dim 3″ circle of laser light around it after a few hours of use. After cleaning the lens, it was better, but it still irritated me to see artifacts projected on my target. The beam was less “clean”- Instead of it being one bright spot, there was a little bit of radiation around it. For example, at 10 feet, the dot was maybe 1/4 inch around. Also, the beam spreads out a little bit after a distance (At the source, the beam diameter is less than 1/8 of an inch. At a mile away, the diameter would be about 8 feet). You can effectively see it at 1/2 mile on an object, but that’s the max. The lens should be adjustable (It’s in a threaded assembly), but I think it’s glued in place.

Others have complained about it is the issues of its lighting button of slipping out of place. The laser needs to use good batteries! I used Rayovacs, and they worked fine. If you’re hardcore, use lithium. My batteries gave me maybe 2 hours of strong light, which is pretty decent. If your button is funky, something probably got inserted slightly off during assembly. It’s easy to fix, read the next section.

So, you want to increase the power? It’s easy, but you’re probably going to leave tool marks, and you have to be decent with small parts.

Green beam laser pointer is a device which can be used everywhere depending on the occasion you are in. it is commonly used at office meetings, presentations and conferences because of the ability it gives you to show the most important points of reports or Power Point presentations. And in addition using this device you can show the points of you presentation and speak freely and undisturbed. It is also useful for class presentations and demonstrations because of its ability to release the people who watch and listen to the presenter.

 

Green laser pen is often used also for different activities in community buildings like galleries, museums, exhibitions and other places containing cultural and historical heritage. The reason for choosing this type of laser pens is the ability to point out exact spot of the painting or sculpture. Of course they should not be continually directed to the piece of art because of the damage which the powerful infrared wave can cause. In this way green laser pen can also be used to measure the distance of a building from the point at which is the user.

 

High power beam laser pointer is also convenient to use in the dark for different astronomy observations, because of its capability to point out the right positions of different galactic bodies such as stars and even near planets, which can be big or smaller. It is also useful for climbing and doing other activities in the wild nature. The wave of the green laser pen is suitable for sending a SOS signal when the sender is trapped in the snow-drifts of a mountain.

 

The presented devices are different from each other thanks to their design, power and the material which are they made of. The power which they use is from alkaline batteries and it varies from 100 to 150 mW which is very powerful for a laser pointer, indeed. They are and convenient and their design is smart and refined, too. The keychain attached to some of them is also a kind of advantage. Some of are designed to be used also as a flashlight so that gives the owner felling for safety and convenience.

 

 

 

Laser pen is something loved by everyone. It is a great toy and at the same time it can help you in highlighting the things of interest. Green laser pen is one of the most usual kinds of Diode Pumped Solid State (DPSS) laser. Well, moving ahead, I am here to share my experience with you guys, so you can make a better decision, if you should get one or not yet.

I have recently read regarding green laser pens because of the “heat up” time mine appears to call for. When you open the laser pointer, it projects beam quite brighter than red color (5 mW common pen), though, completely depending upon the temperature of ambient, it rapidly grows darker and in about 5 to 30 seconds it gets full powerful beam. And without any second thought I can easily say that if you are in dark room, this green laser beam is enough to guide, you just turn it to ceiling. Once pen has gained full power, you can easily see beam visible even in the not so dark sky (I am dwelling in a mid-sized city).

No matter, if it is a cloudy day, still you can see green laser beam, and the results would be great if you project beam on a lighter color surface. My puppy loves to chase it, we often play in daytime, and he can easily see the beam.

The most important thing to keep in mind when playing with the beam is, do not project the beam in someone’s eyes. Be careful! It would bring you very dangers effects. Its reflecting ability is good, even, if you are projecting the beam on non-reflective surface.

The one I own has the ability to raise a thermometer twelve (12) degrees simply by shinning into the bulb of thermometer. As well, try carefully when shining it into any lava lamp, be careful from its reflections, and enjoy the laser color change within. Emitting it in a pond or lake is interesting as well, as the beam refract into water it is brighter than you see in the air and it really looks amazing.

To conclude, I would say, green laser pen is designed with diligence. I received it with almost all needed accessories, including small LED flashlight, powerful AAA alkaline batteries, cloth and a case to keep it safe. The only negative thing I observed is, you may get it the brightest within few seconds, and I think it should get the fullest beam as it is opened. However, for this price, I would say go for it.  Incase of any minute issue with light I won’t stop me from giving it 5/5. Thumbs up!

Lingerie is perhaps one of the most understated objects of fashion which can completely change the appearance of a woman and bring out her true sensuousness. Plus size lingerie is the perfect way to enhance those beautiful assets and give your body a truly magnificent experience.

Plus size lingerie is a term which includes fashionable and alluring women undergarments which tend to produce an erotic appearance. Lingerie are developed using a very creative approach and by including cutting edge technology in the process like laser beams for developing seamless bras.

The concept of plus size lingerie is entirely different from that of simple undergarments. Unlike the regular undergarments, the lingerie is developed in a way which adapts to the different body types. Second, lingerie enhances the assets in a very subtle manner and produces an effect which is really very unique.

Lingerie can be customized according to the body types and can work wonders on your body. The wonderful use of laces and frills provides a sexy undertone to your assets and makes you look erotic and sensuous. The exotic colors of the plus size lingerie can play mind games with your partner and leave him asking for more.

To provide that feather touch to the hot lingerie, it is essential that the fabric used for making the lingerie should be silk smooth as well. This has led to the inclusion of various fabrics like Lycra, Nylon and satin for making those wicked lingerie. The sensuous touch of these fabrics is strong enough to drive your partner crazy and will force him into meek submission before you.

Plus size lingerie has moved the undergarments from the fold of being bulky and ill fitting and has given it a new avatar of sleek, sensuous garments. Plus size lingerie is available in various designs like the thongs which hug the body and gives a very comfortable feeling along with a sexy appeal. Even the baby doll accentuates your assets in a perfect manner.

The effect of lingerie on your overall body can be further enhanced by using sexy shoes and sexy bedding. The stilettos and the pumps perfectly complement the aura created by the plus size lingerie while the satin bedsheets make for that perfect night with your partner!

Satin Boutique offers plus size lingerie. The website satinbedding provides complete information about the company.

If you are searching for something applied and low in ability, you can apprehend the bulk of your laser pen to be about low. If you are in charge of a top ability laser arrow or a submergible laser accessory, you can apprehend the bulk to be a bit toper. affairs superior lasers is absolutely affectionate of like car arcade, bulk will anon afterwardseffect the bulk of accessories or add on’s absorbed to your arrow pen, the alone aberration is that laser pen providers don’t acquiesce for any “analysis drives”. For this acumen, you absolutely charge to apperceive for abiding that the laser arrow pen you are purchasing is the ideal presentation arrow for your appliance. blooming laser pens will about accept the topest accessible achievement ability, even up to 500mW on assertive acute laser pointers, so be accurate and abridged if adjustmenting your laser pen.

Becould cause lasers aftermath abridged ablaze radiation, even the anemicest of laser pointer pens has to be acclimated with abundant affliction. Even a anemic laser axle can could cause abiding laser eye accident, so be alert is a have to ifever dukeling laser accessorys, abnormally duke captivated presentation arrows. They are baby lasers and can be acclimated in far added means than a acceptable laser assemblage, be abiding you accumulate your assurance as able-bodied as the assurance of addeds in apperception. A simple blooper of a laserpens axle can be alarming, so do not yield any affairs.

We accept all apparent our allotment of laser arrow pens, either getting acclimated as presentation arrows or as simple astrochemistry laser pointers, but abominably they are giving lasers a bad name. This is artlessly becould cause of how ailing crafted a lot of of these laserpens in fact are. humans searching for attention ablaze instruments are agilely getting ashore with base laser diodes that bake out or malfunction continued afore the axle should die. It seems award top superior laser pens will crave a bit added analysis to do nowadays.

If you apperceive area to attending, the internet can accessible the aperture to a deluge of acclaimed laserpen retailers. abounding of these companies backpack altered laser axle blush frequencies (the a lot of accepted of which are blooming laser pens) as able-bodied as achievement admiral, so award a top superior laser arrow pen to accommodated your accurate charges can be simple. about, tactuality are some things you have to consistently attending for to actuate the superior and bulk of a laser afore you adjudge to adjustment the accessory.
aboriginal of all, what absolutely are you searching to achieve with your new laser pen? Are you searching for a presentation arrow? Do you charge a laser keychain? What blush laser axle do you charge? How abundant achievement ability will your appliance crave? These are all simple questions that you charge to accept an acknowledgment to afore you go out searching to acquirement a laser arrow pen, they will anon afterwardseffect the bulk and availability of any duke captivated carriageable laser we are searching for. .
Secondly, what array of bulk ambit or account are you alive with? This will absolutely be actual important becould cause you won’t consistently be able to buy laser arrows bargain, abnormally if tactuality is any affectionate of appropriate superior to the accessory. Low bulk does not necessarily beggarly that the laserpen will be a acceptable buy, a lot of bargain lasers accept actual poor superior diodes which can tend to bake out even afterwards alone basal use. abounding presentation lasers accept a top bulk tag becould cause these are avant-garde pieces of technology and are about big-ticket to aftermath, lasers are actual acceptables area bulk ala lot of consistently is anon affiliated to superior. Bill has been utilizing acceptable laser pointer pens for over a decade, and prefers presentation arrows over added laser accessorys. His admired blush abundance comes from green laser pens, and his adopted laser provider specializes in laser pointer pens, actuality at yotang.com

Printers are essential peripherals, performing a critical role as they render electronic information into tangible records or material output. You’re simply not using your computer to its fullest potential if you are unable to print reports, presentations, letters, photos, or whatever it is you need to output. Choosing a printer can be confusing, however, in today’s competitive, ever-changing landscape. This buying guide rounds out some of the more important criteria to consider before you make that all-important purchase decision.

Printing Technologies

This is the biggest decision to make before anything else. Your choice should be based on how you work and the kind of output you will be expecting from the printer.

Inkjet: Inkjet printers can deliver stunning color, so this is the way to go if you are mostly concerned with printing photos. Inkjets can be used for printing text, but the print speed is too slow if the primary purpose of the printer is document printing. To obtain more photo-realism, choose inkjets with an expanded range of colors that includes light cyan and light magenta in addition to the standard four-color CMYK (cyan, magenta, yellow, and black). The extra colors deliver more subtle color gradations in blue skies and skin tones. And if you print a great deal of black-and-white photos, consider photo printers with more than one variation of black ink or with gray inks. Many photo printers use color inks to produce a composite black, resulting in a muddy tint. A second black-ink cartridge and different shades of gray help maintain a neutral tone, with the gray ink allowing for subtle shading and thus improving the quality of black-and-white photos.

Dye-sublimation: Dye-sub printers can print continuous tones and a superior range of colors that laser printers are unable to, making them ideal for more demanding graphic applications or color printing. Dye-sub prints are also less prone to fading and distortion over time than dye-based ink prints. In addition, many consumer-based dye-sublimation printers can print directly from digital cameras and also accept memory cards. They are, however, more limited in the range and size of printing media that can be used usually letter-size paper or smaller.

Laser: Laser printers are the perfect choice if you need to print large amounts of text documents. They print faster than inkjets and have a lower cost of operation over the long-term even though they may cost more to buy initially. There are trade-offs, however. Monochrome laser printers produce crisp black-and-white text but cannot be used for color printing. Color lasers deliver excellent text and graphics but are much more expensive and can be costly to maintain.

Printer Usage

Some printers are good for general printing, while others are better at specialized tasks or combine several functions into one machine.

Photo: If you take lots of pictures, consider getting a photo printer. Photo printers can be in the form of photo inkjets which can print both photos and text; snapshot photo printers for outputting small 4×6-inch prints; or professional photo printers for large, tabloid-size photos and often including network connections to enable printer sharing. Most consumer and professional photo printers use inkjet technology, while most snapshot photo printers that print 4×6-inch prints rely on dye-sublimation technology. Regardless of the type or technology that is used, the most important thing to look for in a photo printer is photorealistic quality. Everything else is secondary.

General Purpose: As the name implies, general purpose printers can be used for printing almost anything, including text and photos. Choose a general printer with a laser format if you print more text than photos; and choose an inkjet format if you print more photos than text.

Multifunction: Multifunction printers (MFPs) combine in one device several functions such as printing, scanning, faxing, and copying. MFPs cost less than buying separate stand-alone devices and cut down on the hassle of setting up individual machines. If you are strapped for budget or space, consider these all-in-one devices. Take note, however, that a malfunction with one component takes down the whole device, and individual components may not be upgradeable. MFPs are available with either laser printers to emphasize speedy text printing and the occasional graphics output; or they are available with inkjet printers for vibrant photo printing.

Environment and Applications

When deciding on a printer, think about where and how you plan to use it. The home user will have different printing needs from that of the office worker, photographer, or traveler.

General/Basic home use: Versatile, affordable printers are the best choices here, and inkjets usually satisfy the printing needs of most home users looking to output photos from their digital camera or for other light printing needs. Ink cartridges can be expensive, so look for inkjets with separate cartridges for each color. This way, you need not throw out entire cartridges simply because one color has been used up ahead of the others but replace only the ones that run out.

Home office: An MFP may be a great device to have in your home office, especially if it comes with an automatic document feeder that can process multipage documents unattended. Extra onboard memory increases efficiency and allows for processing of larger graphics and documents with ease. And if scanning and photocopying are important to you, get an MFP with a higher resolution.

Photography: Photo printers are the obvious choice if printing photos is your main thing. Choose either the smaller, snapshot photo printer that produces 4×6-inch prints; or choose larger-sized, professional photo printers that are capable of delivering tabloid-size 11×17-inch prints even up to full-bleed 13×19-inch prints that include a border to allow room for registration marks.

Text printing: If printing large amounts of text is what you’ll be doing most, monochrome standard laser printers are your best bet as they can turn out page after page of crisp text fairly rapidly. These printers are ideal for printing black-and-white text and simple graphics, so you may need to get a separate inkjet or photo printer in order to print color photos unless you wish to invest in the more expensive color lasers that can print both black-and-white and color documents.

Small network: A workgroup laser printer can be what you need if your home office or small office is built around a network. Workgroup lasers pack faster print speeds and have more memory to handle multiple print jobs. They also offer more advanced handling capabilities such as larger trays, and may offer duplex (double-sided) printing, sorting, and stapling. More expensive than standard laser printers, the majority of workgroup lasers are monochrome designed for printing text and simple graphics.

Traveler: For the businessperson on the go and looking to print, portable printers provide the solution with their compact size (small enough to fit into a briefcase), light weight (less than 5 lbs.), and handy power (operates on batteries or with a car charger). Newer models can print wirelessly making it a non-issue if you forget your USB cable at home. Some portables offer great extras such as a sheet feeder for automatic page feeding, are able to handle transparencies and envelopes, and even support an optional scanner cartridge that replaces the ink cartridge and turns the printer into a scanner. Portable printers are more expensive and print more slowly than standard printers, but convenience is what you’re paying for.

PC-free printing

With something called PictBridge support, photo printers do not need to be connected to PCs to be able to print photos. PictBridge is a standard adopted by manufacturers of printers and digital cameras for PC-free printing, allowing photos to be printe
d straight from the digital camera to the printer by simply connecting them through a USB cable as long as the printer and digital camera are compatible. A variation to this idea is the ability for printers to read memory cards directly from a digital camera or other image-storing device by simply inserting the cards into designated printer slots.

Once the camera is connected to or the card is inserted into the printer, photos can be reviewed in a number of ways, depending on the printer model. Some may feature a built-in LCD screen that allows shots to be reviewed, edits to be made, and the ones to be printed chosen directly from the screen. Other models may let you create an index sheet similar to a contact sheet in film printing so you can mark the ones you choose for printing and rescan the sheet. Other printer models let you decide which shots you want to print straight from the digital camera. Many types of memory cards are available on the market today, so make sure the printer accepts the kind used by your camera for you to enjoy card-direct printing of photos.

Paper Handling

Paper is obviously an important issue in printing. Here are some important tips on paper handling for printers:

When buying a printer, make sure that it’s equipped to accommodate all the paper sizes and types that you’ll be using. If you need to print on heavy stock, for instance, make sure the printer can handle the heaviest paper you use. For this purpose, a printer’s paper path can give an indication of how it handles paper: Inkjets generally use straight-through paper paths, while lasers use S-shaped or U-shaped paths. Generally speaking, the straighter the path, the thicker the media that can be used. However, the curved paths typical of laser printers also makes it possible to have more flexible configurations for input and output trays.

Using the correct type of paper will also make a difference to your printing. Inkjets can print on a variety of matte or glossy photo paper, but make sure you choose the right kind of paper for your printer to obtain optimal print results. For example, matte papers are suitable for both pigment and dye-based inks, while luster finishes are generally more suitable for dye-based inks.

In terms of size, most inkjets and lasers can handle printing of letter and legal sizes. If you need to print larger prints, however, consider a printer that can handle sizes like 11 by 17 inches. You may also consider getting a printer with multiple paper drawers if you’ll be switching between different paper sizes on a regular basis. For a laser printer, multiple output trays, duplexing (double-sided printing), collating, and automatic stapling can be additional useful features.

If you plan to use third-party paper, make sure it works well with your printer. Before you buy a large quantity of third-party paper, try a few samples by printing the same photos on both the printer manufacturer’s paper and the third-party paper, and then compare the results.

Printer Specs and Key Features

Printers feature various specifications, so navigating the spec sheet intelligently requires familiarity with what each specification entails according to the printing technology involved or for the type of usage planned for the printer.

Resolution: For laser printers, 300 dpi is adequate if all you need is to print black-and-white text, but choose at least 1200 dpi for photorealistic grayscale or color printing. For inkjets, choose one featuring 1200-dpi or higher resolution with a droplet size of 4 picoliters or smaller for sharp, clean output. With photo printers, resolution varies according to technology: Output at 300 dpi by photo printers using dye-sublimation technology is comparable to photo printers using inkjet technology outputting at 1200 dpi or higher.

Speed: Speed ratings vary greatly, and the print speeds cited by manufacturers usually refer to printing in draft mode or at the lowest resolution. For laser printers, a more accurate way of measuring actual print speed is to time just how long it takes from the minute you hit “Print” to the time that it takes the printer to warm up, spool the job into the print queue, and for the printed output to finally come out. For inkjets, print speed is not one of its stronger suits; so don’t be overly concerned with this spec.

Memory: Extra memory will come in handy for laser printers to enable them to handle large graphics and documents more easily. Check the maximum upgradeable memory allowed for your printer, if it features a hard drive with similarly upgradeable memory, and if the printer can use generic memory or needs the manufacturer’s brand. In the case of inkjets, memory is built-in and not upgradeable, but this is not an issue inasmuch as processing occurs on the side of the computer so there’s no need for large amounts of installed RAM to begin with on inkjets.

Connectivity: Most printers today no longer support the older parallel connection but feature instead USB 1.1 or Hi-Speed USB (USB 2.0) either of which should work fine with USB computers. For printers to be used on a network, it will need to have an Ethernet port to enable printer sharing. For more flexible printing options, you may want to look for printers with infrared input/output ports that allow wireless printing from notebooks or other devices with infrared ports. And if high-speed or long-distance printing is what you need, consider printers with a FireWire port.

Consumables and cost per page

The purchase price of the printer is just the beginning of its overall cost because over time, the hidden cost of ink or toner, paper, and parts will add up. These “hidden costs” are the consumables; dividing the total cost of consumables by the number of pages that can be produced from the consumables gives you the cost per page. Laser printers offer the lowest cost per page, using relatively inexpensive toner and normal-weight, uncoated paper. On the other hand, cost per page for inkjets can be four or five times as much, depending on how much ink you use and the cost of the paper normally more expensive, coated, glossy paper for higher-quality color output. The tank configuration for inkjets should also be taken into consideration. Inkjets with a single cartridge for the colored inks will incur higher replacement costs because the cartridge must be replaced as soon as one color runs out even if the cartridge still contains plenty of ink for the other colors. To save costs, get an inkjet with separate cartridges for black and each individual color.

Print Quality

All the specs and fancy features in your printer won’t mean a thing if you don’t have good, solid print quality whether of text or photos to back it up.

Text: Text should be smooth and crisp. At the smallest font sizes, the individual letters should be clearly readable, and they should not bleed into one another. Medium-size fonts should have no fuzzy edges, and the largest fonts especially bold ones should be filled with solid black, not a muddy brown or bluish tone. You should also be able to see well-formed and well-rounded counters (the openings) in letterforms; if you don’t, it’s usually a sign of the printer laying down too much ink. (Remember, however, that inkjet printers will display some wicking on plain, 20-lb. paper, as the ink bleeds along the paper fibers.)

Graphics: For color printing, look for gradients or areas where a color goes from dark to light. Color should transition smoothly, and you should not see any color banding, where distinct bands progress from dark to light. On a test page, you will likely see a gradient bar that goes from black to white through a series of progressively darker gray shades; the transition from shade to shade should be smooth without a noticeable line. Also, look for a nice balance of colors in color-graphic printing something that’s not overly saturated nor flat and washed out.

Photo: A good p
hoto print should like the original photo. Colors should be accurate and balanced, vivid but not oversaturated. Good detail should be present in all areas, with no jagged lines or pixels or any other visual artifacts. Good contrast should exist between shadow and highlight areas not muddy or flat and without color. You may not always be able to tell the difference from one great print to another, but almost everyone can recognize a bad print when they see one. Trust what you see.

I often get asked if stun guns (or TASER products) are legal.  Generally speaking, the answer is “yes”.  However, there are some locations which restrict them….

In most cities and states in the U.S., stun guns and TASER products are legal.  However, some states in the U.S. and some municipalities do restrict them.  Additionally, some countries even restrict them, but few.

This LINK details all the cities, states and countries which restrict stun devices.

Now, it’s interesting to note that, even though stun guns may be legal in a particular area, there may still be some form of restriction.  For instance, stun guns are legal in Connecticut.  However, the law requires the units to registered with the local law enforcement.  Additionally, any company shipping a stun gun to someone in Connecticut is required to give notice to the local law enforcement of the shipment.  Due to this requirement, most shippers flat out do not ship to Connecticut. 

As usual, even though stun guns and related devices may be legal in your area, you should check your local requirements.  This is usually done easy enough by searching the web.

One other question I get asked is:  ”What about in airports when we’re traveling, can we take them with us?”  The answer to that is pretty simple.  Stun Guns and TASER’s are allowed in Checked  Baggage, but not in Carry-On Baggage.  This is per the TSA.gov website.  However, one should be aware that while the stun gun may be allowed at the airport, if you’re travelling into an area where they are restricted, you’ll be potentially setting yourself up for problems.  For instance, if you’re travelling to New York, the stun gun is
restricted in that state.  So, having it, will  be a violation of the law.

Smart Stun is an online supplier of the best stun gun, and TASER and Wicked Laser brand products.