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Today those halls have been converted into commercial buildings and is the hub of Lahore's digital electronics and home appliances such as TVs, audio and DVD players, computers/ Laptops, video games & mobile phones. Hall Road, Lahore is one of the largest markets of imported electronics including CCTV camera accessories, loud-speakers & magnets ...
Magnetic linear encoders [1] employ either active (magnetized) or passive (variable reluctance) scales and position may be sensed using sense-coils, Hall effect or magnetoresistive readheads. With coarser scale periods than optical encoders (typically a few hundred micrometers to several millimeters) resolutions in the order of a micrometer are ...
The impact of these two measures has been the expansion of mobile telephony from 0.3 million mobile phones in 2001 to 160 million mobile phones in 2018. [ 6 ] Pakistan's telecommunications infrastructure includes microwave radio relay, coaxial cable , fiber-optic cable , cellular , and satellite networks.
Scan-Optics' records management, [1] information, data remanence, data backup and data recovery services are supplied to government and business customers throughout North America [2] [3] and Europe, [4] while its industrial high-speed digital imaging and OCR SO-series scanners are being used worldwide.
Video of the process of scanning and real-time optical character recognition (OCR) with a portable scanner. Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene photo (for example the text on signs and ...
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.
Alexander Murray and Richard Morse invented and patented the first analog color scanner at Eastman Kodak in 1937. Intended for color separation at printing presses, their machine was an analog drum scanner that imaged a color transparency mounted in the drum, with a light source placed underneath the film, and three photocells with red, green, and blue color filters reading each spot on the ...
Optical mark recognition (OMR) is the scanning of paper to detect the presence or absence of a mark in a predetermined position. [4] Optical mark recognition has evolved from several other technologies. In the early 19th century and 20th century patents were given for machines that would aid the blind. [2]