Long Beach, Calif. — Epson introduced its first scanner with an LED light source. The V500 Photo is a 6,400 dpi scanner with new “ReadyScan” LED technology that eliminates the warm-up time associated ...

Here is a simple LED chaser simulating a scanner through the back and forth light effect. It used high bright White LEDs to give the chaser effect. The circuit uses an oscillator to produce fast ...

Long-term skin damage following radiotherapy could be predicted using a LED-based scanner, according to The University of California Irvine Beckman Laser Institute (BLI). Radiotherapy is sometimes ...