Inventor · Camden, ME, US

Peter L. Madaffari

15Patents
11h-index
15Co-inventors
69Inventor score

Filing activity: Sep 15, 1986 → Mar 21, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7912240B2 Dual diaphragm electroacoustic transducer Electricity 95 Active
US5220612A Non-occludable transducers for in-the-ear applications Electricity 90 Expired
US8223996B2 Moving armature receiver Electricity 80 Active
US4837833A Microphone with frequency pre-emphasis channel plate Electricity 38 Expired
US4815560A Microphone with frequency pre-emphasis Electricity 37 Expired
US5589799A Low noise amplifier for microphone Electricity 30 Expired
US5097224A Self-biasing, low noise amplifier of extended dynamic range Electricity 30 Expired
US5083095A Plural source follower amplifier Electricity 26 Expired
US4730283A Acoustic transducer with improved electrode spacing Electricity 24 Expired
US5570428A Transducer assembly Electricity 23 Expired
US6366678B1 Microphone assembly for hearing aid with JFET flip-chip buffer Electricity 18 Expired
USRE33718E Acoustic transducer with improved electrode spacing General 6 Expired
US6023194A Amplifier with reduced input capacitance Electricity 5 Expired
US11330374B1 Head-gear mounted bone-conducting microphone Electricity 0 Active
US11785375B2 Precisely controlled microphone acoustic attenuator with protective microphone enclosure Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.