Number | Date | Country | Kind |
---|---|---|---|
8812804.6 | May 1988 | GBX | |
8904659.3 | Mar 1989 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
RE31868 | Beasley et al. | Apr 1985 | |
4324453 | Patel | Apr 1982 | |
4908297 | Head et al. | Mar 1990 |
Number | Date | Country |
---|---|---|
2924495 | Jan 1981 | DEX |
8403085 | Aug 1984 | DEX |
0206234 | Jul 1987 | DEX |
Entry |
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Chemical Abstracts, vol. 107, No. 2, Jul. 1987, p. 287, Abstract No. 11815y. |
IEEE Journal on Selected Areas in Communications, vol. SAC-4, No. 5, Aug. 1986, pp. 691-692. |