Handheld scanner

The hand-held scanner was born in 1987. It was the most widely used type of scanner. The maximum scan width was 105mm. It was pushed by hand to complete the scan. Some of the products were also moved electrically on the paper by an automatic scan. instrument.

The vast majority of hand-held scanners use CIS technology, optical resolution is 200dpi, there are many types of black and white, grayscale, color, of which color is generally 18-bit color, there are individual high-end products using CCD as a photosensitive device, you can 24-bit true color, better scanning effect.

When scanners of this type are widely used, flatbed scanners are very expensive, and hand-held scanners are widely used because of their low price. Later, as the scanner's overall price declines, handheld scanners scan the web. However, the shortcomings of poor scanning efficiency have become more and more obvious. From 1995 to 1996, various scanner manufacturers stopped production of this product, which led to the withdrawal of the handheld scanner from the historical stage.