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Class Information
Number: 381/8
Name: Electrical audio signal processing systems and devices > Binaural and stereophonic > Broadcast or multiplex stereo > Fm final modulation > Am subcarrier > Switch-type detector or modulator > Two diodes
Description: Subject matter in which the detector or demodulator is limited to containing, two diodes.

Patents under this class:

Patent Number Title Of Patent Date Issued
8625809 Switchable attenuation circuit for MEMS microphone systems Jan. 7, 2014
8000668 Transmit/receive circuit with PIN diodes Aug. 16, 2011
4035585 Demodulator circuit in multiplex stereo and monophonic receiver Jul. 12, 1977

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