A short History of the Real-time ultrasound scanner Dr. Joseph Woo Ultrasound in Obstetrics and Gynecologyreproduced separately here. The innovation which had soon completely changed the practice of ultrasound scanning was the advent of the Real-time scanners.
OB Roundup Tony Hoffman The Best Scanners of Whether you need to scan stacks of family photos, scores of documents, or even just the occasional business card, there's a scanner designed for the task. Here's how to shop for the right one.
How to Buy the Right Scanner Settling on a scanner that meets your specific needs can be challenging. Most scanners on the market today can handle everyday office tasks, but they come in a wide variety of types and sizes that are fine-tuned for different purposes.
Here are the key questions to ask before you buy. We'll also take a look at the different kinds of scanners and their features.
Knowing what and how often you expect to scan will tell you everything you need to know about the features you'll need. The two most common classes of things that get scanned are photos and documents that is, unbound pagesbut plenty of other media are common scan targets, such as bound books, business cards, film slides and negativesmagazines, and easily damaged originals like postage stamps.
Somewhat less common are 3D objects, such as coins or flowers. You should also consider details like the maximum size of the originals more on that in a moment and whether you'll need to scan both sides of document pages. Do You Need a Flatbed? For photos or other easily damaged originals, bound material, and 3D objects, you need a flatbed scanner, which has a large glass platen on which you place the documents, books, or items.
When we talk about scanning objects, here we're talking about scanning 3D objects to two-dimensional images; 3D scanners—for scanning objects to 3D files for display or printing on a 3D printer —are a different beast entirely.
Originals like photos and stamps can go through a sheet feeder, but you risk damaging them. If you need to scan this sort of original only once in a while, you may be able to get by with a sheet-fed scanner that comes with a plastic carrier to protect the originals.
Keep in mind, however, that even brand-new, unscratched plastic carriers can degrade scan quality. Scanner models tend to stay on the market for a long time between iterations, and this is especially true of flatbed photo scanners.
Not only do they often remain on sale for years, but also, few new models are introduced. We regularly update our Best Scanners roundup, so should you encounter an "oldie but goodie," it simply means that no similar model that we've reviewed has yet surpassed it.
Do You Need a Sheet Feeder? If you plan to scan documents on a regular basis—particularly those longer than one or two pages—you almost certainly want a sheet feeder. Having to open a flatbed lid and set a page in place is a minor chore, but having to repeat the process 10 times for a page document is a tiresome annoyance.
Some sheet-fed scanners can also handle thick originals, such as health-insurance ID cards. If you'll primarily be scanning one or two pages at a time, a manual sheet feeder is probably all you need.
If you'll be scanning longer documents on a regular basis, however, you'll want an automatic document feeder ADF that will scan an entire stack of pages unattended.Organize your documents and leave the paper behind.
VuPoint ST47 Magic Wand Wireless Portable Scanner with Wi-Fi, Auto-Feed Docking Station, 8GB MicroSD Card, Protective Carrying Case, JPEG/PDF, Color/Mono, LCD, DPI (Black). Shop printers, scanners, and supplies for your favorite Mac or iPad.
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Download drivers, access FAQs, manuals, warranty, videos, product registration and more. Enterprise-level scanners have features like large paper bays and are roughly the size of a standard desktop computer.
Also, many high-end scanners can scan long documents in a single pass. While this feature can be somewhat niche, it’s a good option to consider if you need to frequently scan nontraditional papers like long receipts.
About FreeOCR. FreeOCR is a free Optical Character Recognition Software for Windows and supports scanning from most Twain scanners and can also open most scanned PDF's and multi page Tiff images as well as popular image file formats.