Rapid Prototype Blog

Posts Tagged ‘laser scanners’

There are a number of reasons being discussed by booksellers all over the Internet. Some of the reasons I have read include:

1) A desire by some to curtail the profiteers and assure that there are some good books left when the sale opens to the general public.

Certainly, this hinders the online bookseller and limits the number of books that he/she is able to check, but I do not think this is the reason.

2) Another hypothesis I have heard is that booksellers rummaging through the books and scanning them leave the unwanted books in disarray, thus making more work for the volunteers to straighten out the mess, but I do not think this is the reason either.

The time it takes to straighten out tables of books after a couple hundred booksellers have finished rummaging around is probably not any longer than straightening out after a few thousand people during the “open to the public” period.

]]>

3) There are also some that believe the cashiers do not like ringing up hundreds of books for booksellers,

This does not make any sense because it is a lot easier to make one sale of hundreds of books to one buyer than to ring up two books for hundreds of customers, so I do not think this is the reason.

4) The volunteers and helpers at the book sales are jealous of booksellers coming in and buying up all the good books to make a profit on them.

I do not doubt that there a people working the book sales and attending them that are jealous of dealers coming in and buying up the valuable books, and this probably does play into the decision to ban scanners, but I do not think it is the primary reason either.

I believe the book sale organizers are genuinely concerned about safety and potential litigation. If you have ever been zapped in the eyes by a careless bookseller with a total disregard for where he/she is pointing their scanner, you know exactly what I mean. You will see spots and/or floaters for a good half hour. If exposed to a direct laser of the intensity of my HP 5P (class II) scanner, I do not doubt that you would suffer some permanent eye damage.

I was personally zapped accidentally by someone using their laser scanner and I could not read ISBN’s or the screen on my PDA for almost 45 minutes. I believe laser scanners are being banned from book sales because of liability issues; and with our society being so focused on taking someone to court; the book sale organizers do not want to risk being held responsible for the actions of a careless bookseller. As obnoxious as some of the booksellers I have seen can be, I would not put it past some of them to intentionally zap me if for no other reason than to temporarily give them an edge in buying while my eyes recover.

More Laser Scanner Articles

By 3 D lasers scanning services we mean undertaking the process of changing physical objects into precise digital models which will enable us to quickly and accurately find out the object’s shape and geometrical images. 3D laser scanning shows us the complete digital image and representation of the part or the object that we have planned to be used for reverse engineering, quality control and inspection or in other conditions while manufacturing a product. The entry of 3 D laser scanning services is quite recent in the industrial, technical, engineering and other processes. There are no hard and fast rules for its use because it is useful in most cases and the data obtained by can greatly benefit us.

One benefit of 3 D laser scanning is that size of the object to be scanned does not matter at all. There is no hard and fast rule about the size of the object which we will use for scanning. The size may range from boats, cars, aircraft, buildings, turbine blades, dental implants and mechanical parts. 3 D laser scanning has the ability to scan and provide you the best quality and highly accurate digital model irrespective of the size of the object. 3 D laser scanning systems today have become very sophisticated and are capable of scanning miniature figurines from a mere 4mm in height to a huge jumbo jet – all with incredible accuracy and resolution.

3 D laser scanning has entered into use in the industrial set up for about 10 years or so. Since then it has revolutionized the micro meteorology market especially in the aerospace and aerodynamic, automobile industry and is now also be adopted by other industries as well. Laser scanners accurately capture parts of various shape, size and material in a fraction of the time required for touch-probe measurement, resulting in increased inspection productivity. 3D laser scanning has also the capacity of acquiring hundreds of thousands or millions of points spread across the entire geometrical figure of the scanned material and thus makes it possible to accurately describe the freeform surfaces and also digitize the entire components that may lie inside the object.

The digital capability of recent scanner generations allows scanned surfaces to be displayed on screen in real-time, and dynamically adapt sensor performance according to varying surface material, color and reflectivity. 3D laser scanning services suits the requirement of the person who is operating it for measuring different measurement volumes, accuracy classes. It can also be used as a handheld option for CMM and other robotic configurations.

Before we venture to look at the features one should be on the lookout for when shopping for laser scanners for asset scanning use, there are a number of definitions and descriptions we need to go through briefly. The first one of those is that of laser scanners, where it turns out that, in this context, laser scanners are used for reading barcodes, which are widely used in asset tracking. Now if you have visited a supermarket or other such store, you are likely to have encountered a laser scanner (although you may not have known it to be the same). The laser scanner, in this case, would be that ‘thing’ which the checkout attendant points onto the barcode on each product you have selected, in order for the computer to decipher the price which you are then charged.

As it turns out, such laser scanners are not just used in supermarket checkouts. They also find widespread application in asset tracking, which refers to the practices an organization undertakes to keep track of its belongings, and prevent their loss.

Having cleared with such fundamentals, the task before us is one of exploring the features to look for, when shopping for laser scanners.
As it turns out, there are a number of features that are to be expected, actually demanded, in modern laser scanners. One can, for instance, expect such scanners to come with USB connectivity. This is important, as it would effectively make them ‘plug and play’ devices, rather than devices that one has to go through lengthy installation processes to get working.     In this regard, the ideal laser scanner will come with both a USB kit and a USB cable. In a bid to keep pricing down, some makers of laser scanners include only the USB kit, but leave it upon you purchase the cable afterwards.

When shopping for laser scanners, it is important to check what sorts of ports they come with – and ensure that they can work with the computer you have in mind. Of course, this issue of ports becomes important where it is a non-USB laser scanner you are looking at. Where it is a USB laser scanner you are looking at (whose connectivity is thus universal), the issue of port provision becomes immaterial. Nowadays, most people are making use of USB laser scanners, but if the computer you use is an olden one with no provisions for USB connectivity, you have no alternative than to purchase the laser scanners with the traditional sort of ports.

Some laser scanner makers are taking the whole USB connectivity a step further, and creating their products to be suitable for Bluetooth USB. Now that is cutting edge technology, if you can afford it.

Depending on the circumstances you are going to be using it, you may prefer a handheld laser scanner. Be informed that there are handheld laser scanners in existence.Whether or not the laser scanner comes with a charging cradle is another material consideration, as is one as to whether the laser scanner’s power supply requirements are compatible with what you use.All these are, of course, in addition to checking the laser scanner’s independent reviews with regard to pricing, durability and so on – to ensure that it is a sound product you will be getting on all levels.

Review and introduction by FLAAR Reports on 3d portable handheld laser scanner zscanner 700cx from Zcorportation.
Video Rating: 0 / 5

Find More Handheld Laser Scanner Articles