When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. HP ScanJet - Wikipedia

   en.wikipedia.org/wiki/HP_ScanJet

   Hewlett-Packard (HP) developed the first ScanJet in the mid-1980s at their printer division in Boise, Idaho. [4] [5] The ScanJet was released in March 1987, [6] as a compliment to their LaserJet series, which was the first commercially successful line of laser printers ever released, [7] introduced in 1984 and also developed at Boise.

3. Image scanner - Wikipedia

   en.wikipedia.org/wiki/Image_scanner

   A flatbed scanner (HP ScanJet IIC) with its lid closed. A flatbed scanner is a type of scanner that provides a glass bed on which the object to be scanned lies motionless. The scanning element moves vertically from under the glass, scanning either the entirety of the platen or a predetermined portion.

4. Scanography - Wikipedia

   en.wikipedia.org/wiki/Scanography

   Using a flatbed scanner to scan items other than paper documents exceeds the original purpose of the scanner, so special care must be taken with the process. The bed of the scanner is typically made of glass, and care needs to be taken that the glass not be scratched or cracked when placing or removing items on the bed. Since the items to be ...

5. Drum scanner - Wikipedia

   en.wikipedia.org/wiki/Drum_scanner

   The first working fax machine, invented by the English physicist Frederick Bakewell in 1847, was in essence an early drum scanner. Instead of scanning a paper print or transparency using light, however, the revolving drum of Bakewell's machine is coated in tinfoil, with non-conductive ink painted on the foil and a stylus that scans across the drum and sends a pulse down a pair of wires when it ...

6. Contact image sensor - Wikipedia

   en.wikipedia.org/wiki/Contact_image_sensor

   Charge-coupled devices (CCDs), the other kind of sensor often used in scanners, use mirrors to bounce light to a stationary sensor. Scanners using CISs are much smaller than ones that use CCDs, use typically a tenth as much power, and are particularly suitable for low power and portable applications, often powered over USB. [1] Scanner unit ...

7. Scan line - Wikipedia

   en.wikipedia.org/wiki/Scan_line

   Scan lines are important in representations of image data, because many image file formats have special rules for data at the end of a scan line. For example, there may be a rule that each scan line starts on a particular boundary (such as a byte or word; see for example BMP file format). This means that even otherwise compatible raster data ...