Number | Date | Country | Kind |
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96 14671 | Nov 1996 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
4862478 | McIntosh | Aug 1989 | |
5206882 | Schloemer | Apr 1993 |
Entry |
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Kavehrad et al. "An Experiment With Direct Sequence Spread Spectrum Using DPSK Modulation" IEEE pp 3.5.1-3.5-5, 1987. |