A scanning beam assembly comprising: a beam generator to generate a beam of radiation, an oscillating reflector configured to deflect the beam at varying angles of excursion to yield a scanned beam that scans a field of view, an optical detector that detects light reflected from the field of view, the...http://www.google.de/patents/US7589316?utm_source=gb-gplus-sharePatent US7589316 - Scanning beam imaging with adjustable detector sensitivity or gain
