Disclosed is a laser recording arrangement including a pivotable mirror for redirecting the laser beam in a controlled scan mode plus an associated electro-optical position monitor for monitoring mirror orientation, these being housed in a unitary casting with a particular torsional form of pivot su...http://www.google.fr/patents/US4560925?utm_source=gb-gplus-shareBrevet US4560925 - Mirror position sensor and associated pivot suspension for improved track selection in optical data disk system
Mirror position sensor and associated pivot suspension for improved track ...
