Scanners: Types based on their usage and applications

Advancement of technology has led to tremendous upgraded versions and innovations in the field of computers, and a classic example is a scanner, which is now an integral part of a computer setup.

This computer scanner is an input device that feeds on the data provided to it in the form of text or photos, then converts it digitally and produces it on the computer or any other screen. Scanners gained popularity in the 90s, and since then, one gets to see upgraded versions and variations almost every other day.

Early in the 20th-century, computer scanners were available in the market with limitations, but with the growth in technology, these scanners are not only having many variants, all with different specifications but are fast gaining popularity and turning into an essential one at that.

Usually, a scanner is a part of the printer hardware and is accompanied by corresponding software, and these days, it is easy to get many different scanners based on specific applications like a photo scanner, a 3D scanner, a document scanner, book scanner, and others.

Let us look at the array of these user and pocket-friendly scanners, all available in the market at lucrative prices.

Document scanner:

Have you ever struggled to streamline your documents in hard copies? or were short of space for storing them? or fumbled in organizing documents in the office? Well, with a document scanner, all these woes can be driven away.

A document scanner is geared to copy the content electronically, from written or printed material and convert it into a text file in the computer?s memory. Fundamentally, these scanners are used to convert legal documents or any other printed data into a digital format, thereby conserving time, energy, and space.

These document scanners or office scanners comprise hardware in the form of a document feeder and software like OCR that digitizes the text. Another variation of this scanner is a personal document scanner that is relatively slower than the office scanner.

While the business document scanners can scan 15 to 20 pages a minute, the personal ones can scan a sheet one by one. These are highly dependent on software like OCR, which is optical character recognition.

Document scanners are either a flatbed or enterprise ones. Even portable ones are also available. While the flatbed one is a rectangular box with a glass top that is good for a few pages simultaneously, the enterprise document scanner includes an input bin, where a large number of pages can be stacked. However, the portable ones are the compact ones that have an in-built lighting system and sensor.

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Doc Scanner:

Better known as PDF Doc Scanner is an app that allows one to scan any printed material like reports, photos, documents, receipts, notes, almost anything. It is an extension of a document scanner that can convert a paper document into a printed image.

This doc scanner has features like an e- sign, text recognition, translator, and share and automates feature; thus, this app enables digital signature, extracts and edits text, translates the text, and then promptly shares or uploads the document.

Photo Scanner:

This digital device, also known as an image scanner, is perfect for scanning photos, printed objects or text, and digitizing them. How does it work? Well, all one must do is put the document onto the glass pane and press the relevant buttons. The entire data is scanned, and the information is extracted and stored in the computer.

While the most basic and common photo scanner used for domestic and industrial purposes and applications is the flatbed scanner, others like drum scanners, film scanners, hand scanners, or even 3D scanners are prevalent in the market.

3D Scanner:

A 3D Scanner is an innovative photo scanner model that uses advanced technology that is non-invasive and non-destructive. It can take precise measurements and capture the shape of the product, generate the finest data and digitize it into a set format, thereafter, create prototypes that are then ready for printing. This 3D scanner can mark the alignment and position of the product by intercepting the placement of the reference markers.

While 3D technology is very widely used in manufacturing, healthcare, construction, entertainment, and even automobiles, 3D scanners are being avidly used in body scans, reverse engineering, quality inspection, rapid prototyping, and so many other fields.

Application-based scanners are usually found on the tabs or mobiles and are highly functional. Some of the classic examples are text scanners, cam scanners, adobe scanners, and air scanners, to name a few. Mentioned below is a brief description of each of them.

Text scanner:

A text scanner is one application that can recognize and extract any text from a given image with cent percent accuracy. Advanced technologies like OCR or optical character recognition techniques are used here for this purpose. They offer a good speed, fine quality and are excellent for converting any given image into text form.


Life has become very convenient with devices such as these application-based scanners. While the simple versions of most of these mobile apps are available for free, the higher versions are usually in-app purchases. So should you need to scan a document next time, a brush-up of the above-mentioned pointers is sure to assist you in making the correct choice.