Microphone assembly
US-11338324-B2 · May 24, 2022 · US
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of variable resistance microphones
of variable resistance microphones · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04R3/10 |
| Official title | of variable resistance microphones |
| Display label | of variable resistance microphones |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Artificial cochlea
US-11042346-B2 · Jun 22, 2021 · US
Microphone assembly
US-2021060608-A1 · Mar 4, 2021 · US
Artificial cochlea
US-2021034320-A1 · Feb 4, 2021 · US
Real-time feedback during audio recording, and related devices and systems
US-10665250-B2 · May 26, 2020 · US
Real-time feedback during audio recording, and related devices and systems
US-2020105291-A1 · Apr 2, 2020 · US
Digital microphone and control method therefor
US-10250980-B2 · Apr 2, 2019 · US
Digital microphone and control method therefor
US-2018109875-A1 · Apr 19, 2018 · US
Amplification circuit and method of compensating for voltage offset of inputs
US-9813034-B2 · Nov 7, 2017 · US
Analogue signal processing circuit for microphone
US-9699551-B2 · Jul 4, 2017 · US
Amplification circuit and method of compensating for voltage offset of inputs
US-2017012589-A1 · Jan 12, 2017 · US
Condenser microphone
US-2016337753-A1 · Nov 17, 2016 · US
Analogue signal processing circuit for microphone
US-2016112796-A1 · Apr 21, 2016 · US
Microphone sensitivity difference correction device, method, and noise suppression device
US-9204218-B2 · Dec 1, 2015 · US