sonicway is a professional enterpraise specilizing in researching optical identification technology (oid) and optical character read technology (ocr). we profeesional provide custom optical reader or scanner, such as 1d 2d laser scanner, 2d ccd scanner, oid reander(talkpen, speakingpen, readingpen, saypen, oidpen). sonicway have obtained 5 patents from state intellectual property office of ***** (sipo) for our scanner talkpen series products