Disclosed is laser beam scanning apparatus in the form of an electronically-controlled mechanically-damped off-resonant laser beam scanning mechanism. The scanning mechanism comprises an etched scanning element having a small flexible gap region of closely-controlled dimensions disposed between an anchored...http://www.google.fr/patents/US20030178491?utm_source=gb-gplus-shareBrevet US20030178491 - Electronically-controlled mechanically-damped off-resonant light beam scanning mechanism and code symbol readers employing the same
Numéro de demande: 09/895,808 Numéro de publication: US 2003/0178491 A1 Date de dépôt: 13 mars 2001 Brevet délivré: US6874689 ( Date de délivrance 5 avr. 2005)