Acoustic Apparatus Using Flex PCB Circuit With Integrated I/O Fingers
US-2016309264-A1 · Oct 20, 2016 · US
for microphones
for 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 | H04R19/016 |
| Official title | {for microphones} |
| Display label | for microphones |
| Total patents | 317 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 45 |
| 2016 | 38 |
| 2017 | 35 |
| 2018 | 44 |
| 2019 | 49 |
| 2020 | 22 |
| 2021 | 21 |
| 2022 | 19 |
| 2023 | 22 |
| 2024 | 12 |
| 2025 | 7 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piezoelectric device
US-2016284974-A1 · Sep 29, 2016 · US
Condenser microphone
US-9445188-B2 · Sep 13, 2016 · US
Microphone device including light emitting elements
US-2016249121-A1 · Aug 25, 2016 · US
Top port multi-part surface mount silicon condenser microphone
US-2016241951-A1 · Aug 18, 2016 · US
System and Method for an Integrated Transducer and Temperature Sensor
US-2016221822-A1 · Aug 4, 2016 · US
Acoustic sensor
US-2016227330-A1 · Aug 4, 2016 · US
Acoustic transducer and interface circuit
US-9380380-B2 · Jun 28, 2016 · US
Condenser microphone
US-9369811-B2 · Jun 14, 2016 · US
Acoustic transducer
US-9363608-B2 · Jun 7, 2016 · US
Trapped membrane
US-2016122177-A1 · May 5, 2016 · US
Capacitive transducer
US-9319798-B2 · Apr 19, 2016 · US
Audio transducer with electrostatic discharge protection
US-9301053-B2 · Mar 29, 2016 · US
Reset circuit for MEMS capacitive microphones
US-9258660-B2 · Feb 9, 2016 · US
Microphone with programmable frequency response
US-2016037257-A1 · Feb 4, 2016 · US
Frequency dependent switch
US-9226080-B2 · Dec 29, 2015 · US
Low noise electret microphone
US-2015358709-A1 · Dec 10, 2015 · US
Variable directivity electret condenser microphone
US-2015341720-A1 · Nov 26, 2015 · US
Variable directivity electret condenser microphone
US-2015341721-A1 · Nov 26, 2015 · US
Glitch Detection and Method for Detecting a Glitch
US-2015334499-A1 · Nov 19, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04R19/016?
- CPC H04R19/016 is the Cooperative Patent Classification code for “for microphones.”
- How many patents are filed under CPC H04R19/016 (for microphones)?
- Our database includes 317 publications tagged with this CPC code.
- Is patent activity under CPC H04R19/016 growing?
- Publication counts under this code: 12 in 2024 vs 7 in 2025 (latest complete years).