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2. 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.

3. CueCat - Wikipedia

   en.wikipedia.org/wiki/CueCat

   CueCat barcode scanner and interposer cables with male and female PS/2 connectors. The CueCat, styled :CueCat with a leading colon, is a cat-shaped handheld barcode reader that was given away free to Internet users starting in 2000 by the now-defunct Digital Convergence Corporation (which often styled its own name as Digital:Convergence Corporation).

4. High Capacity Color Barcode - Wikipedia

   en.wikipedia.org/wiki/High_Capacity_Color_Barcode

   High Capacity Color Barcode. High Capacity Color Barcode ( HCCB) is a technology developed by Microsoft for encoding data in a 2D "barcode" using clusters of colored triangles instead of the square pixels conventionally associated with 2D barcodes or QR codes. [1] Data density is increased by using a palette of 4 or 8 colors for the triangles ...

5. Researchers built a low-cost camera system that recreates ...

   www.engadget.com/optical-microphone-camera-laser...

   An algorithm compares speckle patterns captured by a rolling shutter and a global shutter. It uses the differences between the patterns to calculate the vibrations and recreate the audio.

6. How gadgets could unlock the potential of lucid dreaming

   www.engadget.com/how-gadgets-could-unlock-the...

   There are many apps that also make bold claims about tipping you off that you’re dreaming. These might actually be a little more practical, for now. Awoken (Android) and Lucidity (iOS) for ...

7. 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 ...

8. Huawei gets into the e-reader game with a combo note-taking ...

   techcrunch.com/2022/02/28/huawei-gets-into-the-e...

   The downside to all of those features is the fact that the thing runs closer to a high-end tablet than e-reader, at €499. Due to ongoing geopolitical issues, it’s hard to imagine this thing ...

9. 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 ...