Number | Date | Country | Kind |
---|---|---|---|
59-229574 | Oct 1984 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3515895 | Bratton | Jun 1970 | |
3612894 | Schmidt | Oct 1971 | |
3805139 | Hoffman | Apr 1974 | |
3991319 | Servos et al. | Nov 1976 | |
3999077 | Borkovitz et al. | Dec 1976 | |
3999078 | Udvardi-Lakos | Dec 1976 | |
4010381 | Fickenscher et al. | Mar 1977 | |
4065711 | Kawabata | Dec 1977 | |
4195233 | Udvardi-Lakos | Mar 1980 | |
4238691 | Ebert | Dec 1980 | |
4241261 | Ebert | Dec 1980 |
Entry |
---|
Japan Telecommunication Review vol. 22, No. 4, (Oct. 1980). |
Shiro Doi et al., Journal OHM, Jun. 1983 Issue, "Uninterruptible Power Supply (CVCF) System and Influence Countermeasure", pp. 20-23. |