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1. C-550Lanovia xy Scanner The C-550Lanovia scanner is an xy platform scanner manufactured by Fuji Electric. The scanner has a 48-bit depth and a scan format of A3+. It uses a 8000-pixel three-color linear CCD with an optical resolution of 5000 dpi. , Interpolation resolution up to 10000dpi, and with X, Y axis zoom scan function. The position of the scanning head is controlled by the triple screw, and the scanning head can move in the vertical and horizontal (X, Y axis) within the scanning area, so that each document can be scanned at the optimal resolution. The zoom technology uses the entire width of the CCK to focus on the document, so that each document can be scanned at the optimum resolution regardless of its size or position on the document table.
The scanner has a flat-pressure type, stationary manuscript table with a maximum scanning area of ​​470 x 350 mm and can accommodate up to 100 35mm transmissions at a time. The platen-type original table with mobile scanning head design can handle oversized originals and irregular three-dimensional objects. At the same time, the auto-focus function enables the machine to scan installed originals. It can also scan a variety of originals, including Consecutive tune, print, linework, and color separations. With a dedicated slide holder, users can set multiple originals in advance to speed up the time for rewriting. Each frame truss is attached with a number to facilitate the software to automatically identify when scanning. Its driver software is C-Scan. Its operation interface and color technology are similar to Fujifilm's other high-end roller scanners. It has a back-office function and allows scanners to scan the pre-scanned images on the screen while scanning them. Other originals. This kind of image editing is parallel to scanning, and it can perform batch scanning and working methods that are shown in a simplified diagram, which can save time and increase production efficiency. C-Scan not only has rich color editing capabilities, such as control level, color, sharpness (USM), and printing parameters, but also provides optimal adjustment of images, as well as descreening and line drawing processing functions, while using C-Dot. The software can also directly scan color separation pictures. Each original placed on any place on the platen can scan performance at the optimal resolution, and can handle oversized originals and irregular three-dimensional objects. What is the reason? Because xy scanning technology is used. Why does the xy scanner have the performance that this non-xy scanner does not have? Below we illustrate the difference between non-xy scanners and xy sweepers.
Second, the characteristics of the xy scanner xy scanning technology provides the ability to get the same resolution quality of the image placed anywhere on the scanning table. Its "flattening ability" (scanning strips and stitching) makes the platform scanner comparable to a roller scanner capable of high-resolution scanning of large originals. These capabilities of the platform scanner all result from the fact that its moving parts can move in both the x (horizontal) direction and the y (vertical) direction, while non-xy platform scanners that can only move in the x direction do not have this capability. .
Strictly speaking, this is an imaging sensor of the xy scanner that can move in the Xy direction at the same time. In fact, with the deepening of research and the principle of spontaneity of motion in physics, the xy scanners currently being researched employ different methods to complete the relative motion of the imaging sensor in the xy plane. To further illustrate the unique features of the xy scanner, here are some basics.
1. Sensor and picture resolution. The scanner consists of many important components, the most important being the imaging sensor and the associated optical system. Drum scanners typically use optical telecommunication boosters (PMTs) as imaging sensors, while platform scanners use charge coupled device (CCD) technology. At present, the development of scanners has moved to the CCD technology, so that currently manufactured platform scanners with CCDs as imaging sensors have been used for drum scanning with optical telecommunication tubes in both optical resolution and hierarchical reproduction. The instrument is very close.
2. Optical resolution. We know that the optical phosphorus fraction is determined by the scanner sensor system. This is that the light that is transmitted as the home of the original document transmitted from the continuous original, the line original, the reflection or the original is received by the imaging sensor of the tidal scanner, and the light with the original information is converted into an electrical signal by the sensor and then parametrically converted. The converter converts bits into digital data, which we call the elements or pixels of the image.
Therefore, whether it is a xy or xy scanner, the optical resolution of the scanner is basically determined by its optical system, which is determined by the discrete sampling of the imaging sensors of each scanner. The optical resolution can be defined by the following formula:
Number of CCD elements / scan width (in) = optical resolution (to be continued) 
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