Number | Date | Country | Kind |
---|---|---|---|
1-104464 | Apr 1989 | JPX | |
1-177829 | Jul 1989 | JPX | |
1-323388 | Dec 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3635016 | Benson | Jan 1972 | |
4472652 | Brice et al. | Sep 1984 | |
4978881 | Wakita et al. | Dec 1990 |
Number | Date | Country |
---|---|---|
113999 | Jul 1984 | EPX |
350941 | Jan 1990 | EPX |
59-32040 | Aug 1984 | JPX |
61-27688 | Feb 1986 | JPX |
62-62571 | Mar 1987 | JPX |
63-17354 | Apr 1988 | JPX |
Entry |
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Sensor Technique vol. 3, No. 12, 119837 pp. 32-33. |