Number | Date | Country | Kind |
---|---|---|---|
2-214953 | Aug 1990 | JPX | |
2-238877 | Sep 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4354059 | Ishigaki et al. | Oct 1982 | |
4626796 | Elder | Dec 1986 | |
4712244 | Zwicker et al. | Dec 1987 | |
4827520 | Zeinstra | May 1989 |
Number | Date | Country |
---|---|---|
0117497 | Sep 1981 | JPX |
Entry |
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IEEE Spectrum Jul. 1988 "Phase Digitizing Sharpens Timing Measurements", David Chu, pp. 28-32. |