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Extract from the Register of European Patents

EP Citations: EP0287351

Cited inSearch
Type:Patent literature
Publication No.:JP58217384  [A]
 ;
Type:Patent literature
Publication No.:GB2089734  [A]
 (SONY CORP);
Type:Patent literature
Publication No.:US4621270  [A]
 (MIZUTANI MINORU [JP], et al)
Type:Non-patent literature
Publication information:[A]  - PATENT ABSTRACTS OF JAPAN vol. 8, no. 69 (M-286)(1506), 31 March 1984; & JP-A- 58 217 384 (CANON K.K.) 17.12.1983 (Cat. D), & JP58217384 A 19840331