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2. Barcode - Wikipedia

   en.wikipedia.org/wiki/Barcode

   A barcode or bar code is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths, spacings and sizes of parallel lines. These barcodes, now commonly referred to as linear or one-dimensional (1D), can be scanned by special optical scanners, called barcode readers, of which ...

3. Barcode reader - Wikipedia

   en.wikipedia.org/wiki/Barcode_reader

   Barcode reader. A stationary barcode scanner for a conveyor line. A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. [1] Like a flatbed scanner, it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals.

4. On-board diagnostics - Wikipedia

   en.wikipedia.org/wiki/On-board_diagnostics

   On-board diagnostics. Various angles and details of a "MaxScan OE509" – a fairly typical onboard diagnostics (OBD) handheld scanner from the first decade of the 21st century. Used to connect to the SAE J1962 Data Link Connector (DLC) found in many cars of the era. On-board diagnostics ( OBD) is a term referring to a vehicle's self-diagnostic ...

5. The best ereaders for 2024 - Engadget

   www.engadget.com/best-ereader-130013808.html

   Then we narrow a list to the best candidates for hands-on testing. I ended up getting eight ereaders, representing five different brands: Amazon, Kobo, Barnes & Noble, Boox and PocketBook. I ...

6. Optical mark recognition - Wikipedia

   en.wikipedia.org/wiki/Optical_mark_recognition

   Optical mark recognition (OMR) is the scanning of paper to detect the presence or absence of a mark in a predetermined position. [5] Optical mark recognition has evolved from several other technologies. In the early 19th century and 20th century patents were given for machines that would aid the blind.

7. Google Chrome gets its own QR code & barcode scanner

   techcrunch.com/2017/02/02/google-chrome-gets-its...

   With an update rolling out today, Google’s Chrome mobile browser can do the job instead. The app now includes built-in scanning functionality, which you can access either via 3D Touch on the app ...