The present invention relates to a flat-type communication cable for carrying frequencies in excess of 4 Mhz. The cable has a plurality of longitudinally extending conductor passageways positioned side-by-side and preferably at least four passageways such that there are two end longitudinal...http://www.google.es/patents/US5821467?utm_source=gb-gplus-sharePatente US5821467 - Flat-type communication cable