Number | Date | Country | Kind |
---|---|---|---|
4-318161 | Nov 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4394657 | Isogai | Jul 1983 | |
5023478 | Boudon | Jun 1991 | |
5034630 | Sugiyama | Jul 1991 | |
5252863 | Hatsuda | Oct 1993 |
Entry |
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The transactions C of the Institute of Electronics, Information and Communication Engineers, of Japan, vol. J70-C, No. 6, pp. 783-790. |