Transistor oscillator power converter
US4042870A · kind A · utility
Inventor
Key dates
| Filing date | Oct 1, 1973 |
| Grant date | Aug 16, 1977 |
| Priority date | — |
| Expiry date | Oct 1, 1993 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M3/3384
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The converter includes a transistor, a transformer having a ferromagnetic core, tuning capacity, and rectification of high frequency oscillations which occur in the converter for producing a voltage for an electrical load different in magnitude from the voltage of an electrical energy source from which the converter takes power. Load voltage and electrical energy source voltage may be direct current voltages or changing voltages. The converter operates to maintain the voltage across the load at a constant value independent of the resistance of the electrical load. The oscillations occur only when transistor bias current is provided, for example by bias current conduction through the load, in which case negligible power is taken from the electrical energy source by the converter when the load is disconnected. High frequency of oscillations in the converter provides certain advantages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.