An optical scanning device has a light source. A condenser lens gathers rays of emitted light from the light source. A reflecting section reflects the light gathered by the condenser lens. An optical scanning section includes of a fixed section and a moving section and causes the light reflected by the...http://www.google.fr/patents/US6311894?utm_source=gb-gplus-shareBrevet US6311894 - Optical scanning device having a reflection section and photodetecting section integrally formed on a moving part of an optical scanning section
Optical scanning device having a reflection section and photodetecting ...