Metal oxide semiconductor stabilized dc to dc/ac converter
US4707776A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 12, 1986 |
| Grant date | Nov 17, 1987 |
| Priority date | — |
| Expiry date | Nov 12, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M3/3372
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In the primary circuit of dc-to-dc converter or a dc-to-ac converter, transistor switching units are associated with two primary windings of a transformer. The transistor switching units each control the flow of current through an associated winding. The first transistor is activated by apparatus that alternatively applies and removes activation signals to the transistor and consequently allows conduction through the transistor and the associated winding. The second transistor receives activation signals from a third primary winding and causes conduction of current through the associated primary transformer winding. The activation signal from the third winding, causing the second transistor to be conductive, is the result of interruption of current in the first primary transformer winding. The activation signals produced by the third primary transformer winding is removed when the first transistor is activated and current is flows in the first primary winding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.