Number | Date | Country | Kind |
---|---|---|---|
3-043515 | Mar 1991 | JPX | |
3-310339 | Nov 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4659999 | Motoyama et al. | Apr 1987 | |
4951004 | Sheffer et al. | Aug 1990 | |
4965533 | Gilmore | Oct 1990 | |
5036295 | Kamitani | Jul 1991 |
Number | Date | Country |
---|---|---|
3-157018 | Jul 1991 | JPX |
Entry |
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Bramble, "Direct Digital Frequency Synthesis", Proc. 35th Ann. Freq. Control Symposium, May 1981, pp. 406-414. |