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Extract from the Register of European Patents

EP Citations: EP1159781

Cited inInternational search
Type:Patent literature
Publication No.:DE3727170  [XY]
 (PHILIPS PATENTVERWALTUNG [DE]) [X] 1,2,21,24 * figure 3 * [Y] 3,4,25;
Type:Patent literature
Publication No.:EP0529180  [Y]
 (ALCATEL BELL SDT SA [BE]) [Y] 3,4,25 * the whole document *;
Type:Patent literature
Publication No.:EP0665634  [A]
 (SIEMENS AG [DE]) [A] 1-30* abstract *;
Type:Patent literature
Publication No.:EP0868014  [A]
 (ASEA BROWN BOVERI [SE]) [A] 6,26 * column 7, line 17 - column 8, line 23; figures 2,3 *