Frequency Modulation Demodulator Patents (Class 329/315)
- Including piezoelectric resonant element (Class 329/328)
- Using a transformer to split input signal (Class 329/329)
- Input signal combined with phase shifted or delayed portion of input signal (Class 329/336)
- Input signal split by LC resonant circuit (Class 329/338)
- Including plural detector diodes (e.g., ratio detector type) (Class 329/340)