Extract from the Register of European Patents

EP Citations: EP1770285

Cited inSearch
Type:Patent literature
Publication No.:US6045111  [X]
 (HSIEH TSUNG-HSI [TW]) [X] 1-3,5 * the whole document *;
Type:Patent literature
Publication No.:US6478271  [A]
 (MULHOLLAND IAN [GB]) [A] 1-6 * the whole document *;
Type:Patent literature
Publication No.:DE202004005825U  [A]
 (AUDIOTON KABELWERK SCHEINFELD [DE]) [A] 1-6* the whole document *;
Type:Patent literature
Publication No.:US2004124325  [A]
 (KWOK CHIN-PANG [HK]) [A] 1-6 * the whole document *