Document scanners: Difference between revisions
(Page skeleton created) |
|||
| Line 3: | Line 3: | ||
==Summary== | ==Summary== | ||
Unlike a camera, a flat bed document scanner records a single row of pixels at a time using an illumination source and a row of sensors mounted on a bar which is drawn across the document by mechanical means. Problems can arise with the mechanics, the electronics or the software. | Unlike a camera, a flat bed document scanner records a single row of pixels at a time using an illumination source and a row of sensors mounted on a bar which is drawn across the document by mechanical means. Problems can arise with the mechanics, the electronics or the software. | ||
(This page is a skeleton. See the associated Discussion page for resources and ideas with which to populate it.) | |||
===Safety=== | ===Safety=== | ||
Revision as of 14:27, 24 April 2020
Scanners are relatively simple devices, these days often incorporated with a printer in an "all-in-one". In this page we examine how thy work and the hardware or software problems that can occur.
Summary
Unlike a camera, a flat bed document scanner records a single row of pixels at a time using an illumination source and a row of sensors mounted on a bar which is drawn across the document by mechanical means. Problems can arise with the mechanics, the electronics or the software.
(This page is a skeleton. See the associated Discussion page for resources and ideas with which to populate it.)
Safety
- (No particular safety issues?)
Types of Scanner
Principle of Operation
Mechanical Problems
Electronic Problems
Software Problems
External links
- External links (if any) as bullet points.
- If non, delete this section.