A handheld document scanner is a great and convenient way for business associates, students, people in the legal or corporate field, or any consumer to be able to send data fast and while on the go. You will no longer have to hunt down a fax machine and copier while away from the office. Here’s a brief run down on how they work.

The scanners themselves are an advanced technological breakthrough that has just recently been made more compatible and convenient for home use as well as can be used on the go. The machines used to be big mammoth like machines that would run in the range of thousands of dollars. Today however, due to more competition and brands producing handheld document scanners, they have become increasingly smaller and more affordable. You can now buy handheld document scanners for around a hundred dollars and they are the size of your standard desk pen.

Normal scanners use an optical scanner or eye to transmit information digitally. Generally the two systems include optical or an illumination type of array. The light or illumination system collects information on whole sections of the document and the optical eye collects data one piece at a time. Both of them work by the light that is emitted and reflected back to a photosensitive detector that translates the light sent back to it.

They both use very sophisticated pieces of technology called diodes that convert the light into a digital signal that can then be converted to your normal computer files like .pdf, .jpg, or Word files to name just a few.

More specifically, they use a charge coupled device or CCD to break down the reflection by using singular pixels each which gives off a unique electrical signal or charge depending on the amount of light that is reflected back to its own region or cell. When you roll or scan the document, the system collects information from the reflected light into these small cells and then converts the small pieces of data into the overall document. The optical eye or eyes receive information on singular or cellular level and then the electronic signals are put together as a whole to produce the entire image or document.

To make sure the same piece of the document isn’t recorded twice, the handheld document scanner has its own built in navigation system that maps the document like a road. It also has a built in warning system to let the user know if they are scanning the document too fast for the eye to read the data.

The first handheld document scanners were very slow in reading data and took time to make sure it recorded the entire document and didn’t misread the information. Today however the technology has increased leaps and bounds and consumers are able scan documents relatively fast and easy. It’s only going to get better from here as they improve and add additional document scanner options to an already outstanding piece of hardware.

Next >> Document Scanner Options