Number | Name | Date | Kind |
---|---|---|---|
4901342 | Jones | Feb 1990 | |
5119402 | Ginzburg et al. | Jun 1992 | |
5384769 | Oprescu et al. | Jan 1995 | |
5424657 | Van Brunt et al. | Jun 1995 | |
5467061 | Aden et al. | Nov 1995 | |
5485488 | Van Brunt et al. | Jan 1996 | |
5509126 | Oprescu et al. | Apr 1996 | |
5544323 | Heaton et al. | Aug 1996 | |
5559967 | Oprescu et al. | Sep 1996 | |
5592510 | Van Brunt et al. | Jan 1997 |
Number | Date | Country |
---|---|---|
0 404 994 | Jan 1991 | EPX |
2 060 317 | Apr 1981 | GBX |
WO 952735 | Oct 1995 | WOX |
Entry |
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Proceedings of the Institution of Electrical Engineers, vol. 126, No. 9, Sep. 1979, pp. 893-900, Tucker: "A technical history of phantom circuits". |