Number | Date | Country | Kind |
---|---|---|---|
91470 | Aug 1989 | ILX | |
91624 | Sep 1989 | ILX | |
91625 | Sep 1989 | ILX |
Number | Name | Date | Kind |
---|---|---|---|
4526116 | Mannel | Jul 1985 | |
4834008 | Sadeh et al. | May 1989 | |
4932343 | Mardix et al. | Jun 1990 | |
4991524 | Ozaki | Feb 1991 | |
5021965 | Olbrich | Jun 1991 |
Number | Date | Country |
---|---|---|
0116798 | Aug 1984 | EPX |
238195 | Sep 1987 | EPX |
2711660 | Jun 1881 | DE2 |
8002873 | Dec 1980 | WOX |
2087107 | May 1982 | GBX |
2088095 | Jun 1982 | GBX |
2122448 | Jan 1984 | GBX |
2131571A | Jun 1984 | GBX |
2167211 | May 1986 | GBX |
2225652 | Jun 1990 | GBX |
8702151 | Apr 1987 | WOX |
Entry |
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"Industrial Electronics", IEEE Spectrum, Jan. 1985, pp. 68-71. |