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Commercially, this technology came to be known as 'wirephoto,' and was actually in wide use until the early 1990s. This was a major advancement for field reporting, as photographers could transmit images from anywhere with a phone line.

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That same decade, the first portable iterations of these devices were developed.

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While the first prototypes worked quite slowly, by the 1930s, the latest versions could ingest and transmit a full letter-sized page in just one minute. Édouard Belin's Belinograph used a device called a photocell to record images and transmit them over standard phone lines, a technology that was eventually picked up by news media organizations including the Associated Press. The next great advancement in scanning technology arrived in 1913. On the receiving end, an inked stylus would produce a copy of the transmitted image. Widely considered the precursor to the modern day fax machine, the pantelegraph could transmit images over a standard telegraph wire. It came into popular commercial use in the following decade after additional development under the guidance of a few French inventors. The freestanding device known as the panetelegraph was invented by Italian physicist Giovani Caselli in the latter half of the 19th century, with the first prototype presented to the Grand Duke of Tuscany in 1856. It's a little hard to believe, but the first image scanner technically dates back to the 1860s. Recently added to the list was the Unitech MS100, which cannot read text, only barcodes, and must remain connected to a computer. Along with the Scanmarker Air OCR, it has a read-back capability that uses a natural-sounding voice and can act as a learning aid for those who struggle with dyslexia. The C-Pen Reader deserves special mention for having a voice recorder that can be used to capture ancillary notes to the passages that have been scanned.

For example, this model, along with the more inaccurate PenPower WorldPenScan X, can translate text, making it a great tool for travelers, researchers or anyone learning another language. The Scanmarker Air OCR sits atop our list because it makes few errors and packs a lot into a small package. The market for pen scanners is relatively thin, and although the technology does not pick up every passage perfectly, there are definite standouts in terms of accuracy, functionality and ease of use.

Wiki reader outloud update#

In the last update we removed a few selections that would technically fall under the wand scanner category. Or, if you want to be able to quickly capture high-resolution images of documents or photos, our list of wand scanners might have what you need. If you value the ability to store your memos electronically, you might also want to check out our overviews of the best smart notebooks and digital pens. Translation is a handy add-on, but user reviews suggest that most people employ these devices to facilitate note-taking or as a form of assistive technology to help with disabilities like dyslexia most of the time, this won't require switching into a foreign language.

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To record text, the Scanmarker has to be paired with another device and scan into an open application in real time, while the C-Pen gives you the option to store text on the fly and download it later. Though it lacks the translation ability of the Scanmarker Air OCR, our former number one pick, we felt that its eight gigabytes of built-in memory and its voice memo functionality made it much more convenient for portable note-taking. The other change we made was to bump the C-Pen Reader up to the top of the list. We had to place it lower on the list due to reports of difficulty with setting up the software, but once you've got it up and running, it's a strong contender for the top of its class.

That said, we did make one new addition: the Irispen Air 7, which can scan a similar range of languages and graphics as its competitors, but is available at a slightly better price point. As such, the set of top-quality options hasn't changed much since this list was reviewed last. Since they belong to a relatively niche category, pen scanners aren't updated at the same breakneck pace as more widely-used handheld devices.