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8-267815 | Sep 1996 | JP |
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5633737 | Tanaka et al. | May 1997 | A |
5708485 | Sato et al. | Jan 1998 | A |
5831701 | Matsuyama et al. | Nov 1998 | A |
5877830 | Shimada et al. | Mar 1999 | A |
Number | Date | Country |
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0 486 318 | May 1992 | EP |
0 556 484 | Aug 1993 | EP |
0 708 355 | Apr 1996 | EP |
05-107550 | Apr 1993 | JP |
Entry |
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Patent Abstracts of Japan, vol. 017, No. 461, Aug. 23, 1993 & JP 05 107550 A (Sony Corp.) Apr. 30, 1993. |