Number | Date | Country | Kind |
---|---|---|---|
85 16423 | Nov 1985 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3678189 | Oswald | Jul 1972 | |
3833762 | Gudmundsen | Sep 1974 | |
4009333 | Berger | Feb 1977 | |
4280141 | McCann et al. | Jul 1981 | |
4382267 | Angle | May 1983 | |
4591727 | Gaebelein et al. | May 1986 |
Number | Date | Country |
---|---|---|
0064298 | Nov 1982 | EPX |
2535539 | Feb 1976 | DEX |
1045434 | Oct 1966 | GBX |
Entry |
---|
Uhrentechnische Forschung Und Entwicklung, No. 2, 1972, pp. 105-111. |
The Radio & Electronic Engineer, vol. 50, No. 5, May 1980, pp. 205-212. |