Number | Date | Country | Kind |
---|---|---|---|
62-18625 | Jan 1987 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3931566 | Pask et al. | Jan 1976 | |
4213083 | Freygang | Jul 1980 |
Number | Date | Country |
---|---|---|
2812303 | Oct 1979 | DEX |
0287209 | Dec 1986 | JPX |
Entry |
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Orengo et al., "DC Flux Compensating Circuit for Reducing the Size of Transformers", IBM Technical Disclosure, Jun. 1978, pp. 223-224. |
Proc. IEEE, vol. 121, No. 11, Nov. 1974, pp. 1419-1420. |
Patent Abstracts of Japan, vol. 8, No. 133 (P 281) [1570], Jun. 20, 1984; & JP-A-59 34 166 (Mitsubishi Denki K.K.) 24-02-1984. |