Wireless active eyewear includes a frame having a front portion and a rear portion. A gasket and shutter assembly and a circuit board are held between the front and rear portions of the frame. The non-conductive gasket has electro-optical shutters integrally formed therewith and includes conductive plugs...http://www.google.es/patents/US5463428?utm_source=gb-gplus-sharePatente US5463428 - Wireless active eyewear for stereoscopic applications
Wireless active eyewear for stereoscopic applications