Handheld Document Scanner
Many people need to use a handheld document scanner in their work and many businesses already have a lot of them. They can be used for reading barcodes and other valuable information without having to write down all the information and risking typos and other mistakes that you could do. If you need to take duplicates of valuable information when you are mobile then using a scanner like this is the easiest and best way to do it.
Usually store clerks are people who take notes on which products are empty on the shelves and then they go and take a look at their inventory and bring in the products that they have. If you have a long list of products that you need to fill the shelves with, then using a PDA or a small laptop combined with a barcode scanner or a handheld document scanner to read the barcodes combined with a warehouse program that is going to keep track of your supply is the easiest and most effective way to do it. You should be able to see the amount of that particular item, and take a note on how many of them you need to bring.
It is not only for stores, but for the true mobile professionals that need toke scans of photos and text documents can benefit from them. There are devices like the DocuPen that is one of the smallest handheld document scanner that are literally so tiny that you can just put them in your briefcase and forget about them until you need them. This device is going to recharge itself every time you plug it in the USB and for this functionality alone it is a very portable machine.
These scanners are becoming more and more convenient as they are decreasing in size and are becoming more and more affordable so that anyone can get them. If you are not a professional but have only noticed that you will need to take a few scans every now and then when you are on the run, then you don't want to pay too much for your scanner.
The best handheld document scanners work by having a bright light in them that makes it possible for the scanner head to take a clear image of the surface that you are scanning. So it does not matter what are the surroundings, but you can benefit from it no matter where you are - in your car, on an airplane, in a restaurant, or at your friends house. You might just want to scan something cool that you see and you can do it with this.
Usually they work by having different sensors that detect the movement of your hand - this is needed because they need to have a good idea on how large is the area you are scanning. Then they are going to combine this data with the data that is coming from the scanning sensor so that the handheld document scanner is going to form a correctly proportioned image from the documents that you are scanning.