Scanners are usually used as external instruments of computers, which capture images and convert them into digital input devices that computers can display, edit, store and output.
The overhead camera can be used to scan documents, make e-books, take pictures in kind, record videos, shoot millions of high-definition videos, make signatures, make physical projectors and copy fax mails.
2. Different characteristics
Scanners are more powerful than keyboards and mice. From the most original pictures, photos and films to all kinds of files and materials, they can be input into the computer, and then the information in these image forms can be processed, managed, used, stored and output. With the help of optical character recognition software OCR(optical Character Recognize), scanned documents can be converted into computer text.
High-altitude camera is energy-saving and environment-friendly, with diverse appearances, which is especially suitable for mobile office. Files within A3 can be scanned to the computer in one second, which greatly improves office efficiency and reduces office time. It can be used to physically display and record audio DV images.
Books, magazines, contracts and other documents can be sent directly by e-mail, saving time and effort. It is easy to carry, and the folding high-altitude camera can undoubtedly be carried with you.
3. Different sizes
The air defense instrument is small and easy to carry, and its volume is only110 of that of a common scanner.
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Baidu encyclopedia-high-altitude camera