Number | Date | Country | Kind |
---|---|---|---|
67355 A/87 | Apr 1987 | ITX |
Number | Name | Date | Kind |
---|---|---|---|
3359492 | Kuhrt et al. | Dec 1967 | |
3366874 | Kuhne | Jan 1968 | |
3526796 | Blitchington et al. | Sep 1970 | |
3626344 | Shaternikov et al. | Dec 1971 | |
3961214 | Lokkart | Jun 1976 | |
3980913 | Peterson | Sep 1976 | |
4053826 | Wasawa et al. | Oct 1977 | |
4180753 | Cook, II | Dec 1979 | |
4205797 | Bennett, Jr. et al. | Jun 1980 | |
4700133 | Day | Oct 1987 | |
4745363 | Carr et al. | May 1988 |
Number | Date | Country |
---|---|---|
613185 | Jan 1961 | CAX |
34821 | Sep 1981 | EPX |
2748070 | Apr 1978 | DEX |
3326477 | Jan 1985 | DEX |
2112298 | Jun 1972 | FRX |
2368830 | May 1978 | FRX |
2386039 | Oct 1978 | FRX |
1188521 | Oct 1985 | SUX |
Entry |
---|
Elphee, E. K., Tachometry in Industry, Industrial Electronics, Nov. 1963, pp. 713-715. |