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Color-shifting inks reflect various wavelengths in white light differently, depending on the angle of incidence to the surface. An unaided eye will observe this effect as a change of color while the viewing angle is changed. A color copier or scanner can copy a document only at one fixed angle relative to the document's surface. [2]
Scan-Optics was founded in 1968 by four Connecticut men with financial backing from The Travelers Companies. Its goal of developing the brand-new and barely functioning optical character recognition (OCR) technology. Scan-Optics was one of the technology groups enabling the transition from paper to digital.
On completion of a learning module a student can use an optical scan-type card to record answers to up to 27 questions, with up to 5 choices per question. [14] They are scanned by the reader and the results are then transmitted to an IBM System/360 in remote job entry mode and can also be printed on the IBM 2740 . [ 14 ]
An optical reader is a device that observes visual information and translates it into digital information, [1] as found within most image and barcode and matrix-code scanners. An example of optical readers are marksense systems for elections where voters mark their choice by filling a rectangle, circle, or oval, or by completing an arrow.
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.
Five skiers were taken to the hospital after a lift chair collision at the Heavenly Ski Resort on the Nevada side of Lake Tahoe. The incident occurred on Monday, Dec. 23 around 10 a.m. local time ...
José de la Torre, best known for starring on Netflix’s series Toy Boy, has died at the age of 37, according to several news outlets.. The Spanish actor died on Thursday, Dec. 5, and a funeral ...
The Norden Electronic Vote Tallying System was the first to be deployed, but it required the use of special ink to mark the ballot. The Votronic, from 1965, was the first optical mark vote tabulator able to sense marks made with a graphite pencil. [1] The oldest optical-scan voting systems scan ballots using optical mark recognition scanners ...