An optical network includes an access ring, a local ring, one or more add/drop nodes (ADNs), a first gateway and a second gateway. The access ring couples the plurality of gateways and transmits optical signals to and from the gateways, the optical signals comprising multiple wavelengths each wavelength...http://www.google.es/patents/US20060110162?utm_source=gb-gplus-sharePatente US20060110162 - Optical ring network for extended broadcasting
Número de solicitud: 10/996,707 Número de publicación: US 2006/0110162 A1 Fecha de presentación: 22 Nov 2004 Patente emitida: US7826743 ( Fecha de emisión 2 Nov 2010)
