Frequency modulator and frequency modulation method
US7403079B2 · kind B2 · utility
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2References
20Claims
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Key dates
| Filing date | Jun 2, 2005 |
| Grant date | Jul 22, 2008 |
| Priority date | — |
| Expiry date | Jan 15, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03C3/38
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A frequency modulation method is provided in which the frequency of a carrier signal is modulated on the basis of the frequency of a modulation signal, and in which the modulation signal is integrated. The carrier signal is integrated, and a differential signal is formed from the integrated modulation signal and the integrated carrier signal. The differential signal is phase-modulated in order to obtain the frequency-modulated carrier signal as the output signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.