Number | Name | Date | Kind |
---|---|---|---|
4521840 | Hoadley | Jun 1985 | |
4555750 | Matsumura et al. | Nov 1985 | |
4642745 | Steigerwald et al. | Feb 1987 | |
4794506 | Hino et al. | Dec 1988 | |
4934822 | Higaki | Jun 1990 | |
4967333 | Callier et al. | Oct 1990 | |
5113337 | Steigerwald | May 1992 | |
5115386 | Shirahama et al. | May 1992 | |
5124518 | Lee | Jun 1992 | |
5136494 | Akagi et al. | Aug 1992 | |
5157592 | Walters | Oct 1992 |
Number | Date | Country |
---|---|---|
2043370 | Oct 1980 | GBX |
Entry |
---|
Unitrode Integrated Circuits, Phase Shift Resonant Controller, UC 1875, UC2875, UC3875, Apr. 1992. |
Micro Linear Phase Modulation/Soft Switching Controller, ML4818, Jul. 1991. |