Apparatus and method for digital to analog signal conversion using an analog to digital signal converter
US4992791A · kind A · utility
2Cited by
3References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 13, 1989 |
| Grant date | Feb 12, 1991 |
| Priority date | — |
| Expiry date | Apr 13, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/668
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A digital to analog signal converter apparatus for converting digital signals to analog signal outputs. The converter apparatus includes a microprocessor, a low pass filter portion for converting a digital output signal from the microprocessor to an analog output signal, and an analog to digital converter portion for sampling and converting the analog output signal to provide a digital input to the microprocessor, permitting control of the analog output signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.