System and Method for a Microphone
US-2015358735-A1 · Dec 10, 2015 · US
Transducers other than those covered by groups H04R9/00 - H04R21/00 {(diaphragms for transducers of the distributed-mode type H04R7/045)}
Transducers other than those covered by groups H04R9/00 - H04R21/00 {(diaphragms for transducers of the distributed-mode type H04R7/045)} · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04R23/00 |
| Official title | Transducers other than those covered by groups H04R9/00 - H04R21/00 {(diaphragms for transducers of the distributed-mode type H04R7/045)} |
| Display label | Transducers other than those covered by groups H04R9/00 - H04R21/00 {(diaphragms for transducers of the distributed-mode type H04R7/045)} |
| Total patents | 303 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 74 |
| 2016 | 57 |
| 2017 | 37 |
| 2018 | 27 |
| 2019 | 12 |
| 2020 | 12 |
| 2021 | 10 |
| 2022 | 21 |
| 2023 | 23 |
| 2024 | 12 |
| 2025 | 13 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Condenser microphone unit
US-2015358741-A1 · Dec 10, 2015 · US
Encapsulated component comprising a mems component and method for the production thereof
US-2015344296-A1 · Dec 3, 2015 · US
Loudspeaker actuator
US-9197968-B2 · Nov 24, 2015 · US
Condenser microphone
US-2015326980-A1 · Nov 12, 2015 · US
Receiver transducer for wireless power transfer
US-2015326323-A1 · Nov 12, 2015 · US
Frequency modulated microphone system
US-2015319538-A1 · Nov 5, 2015 · US
Sender transducer for wireless power transfer
US-2015312683-A1 · Oct 29, 2015 · US
Condenser microphone
US-2015312682-A1 · Oct 29, 2015 · US
MEMS microphone package structure having non-planar substrate and method of manufacturing same
US-9162869-B1 · Oct 20, 2015 · US
Mems motors having insulated substrates
US-2015296306-A1 · Oct 15, 2015 · US
Dual diaphragm and dual back plate acoustic apparatus
US-2015296307-A1 · Oct 15, 2015 · US
Optimized back plate used in acoustic devices
US-2015296305-A1 · Oct 15, 2015 · US
Thermoacoustic chip
US-9161135-B2 · Oct 13, 2015 · US
Charge level communications for wireless power transfer
US-2015280837-A1 · Oct 1, 2015 · US
Semiconductor Package And Manufacturing Method Thereof
US-2015274511-A1 · Oct 1, 2015 · US
Top port surface mount MEMS microphone
US-9148731-B1 · Sep 29, 2015 · US
Bottom port surface mount MEMS microphone
US-9139422-B1 · Sep 22, 2015 · US
Top port surface mount MEMS microphone
US-9139421-B1 · Sep 22, 2015 · US
Electrically conductive membrane pump/transducer and methods to make and use same
US-9143868-B2 · Sep 22, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04R23/00?
- CPC H04R23/00 is the Cooperative Patent Classification code for “Transducers other than those covered by groups H04R9/00 - H04R21/00 {(diaphragms for transducers of the distributed-mode type H04R7/045)}.”
- How many patents are filed under CPC H04R23/00 (Transducers other than those covered by groups H04R9/00 - H04R21/00 {(diaphragms for transducers of the distributed-mode type H04R7/045)})?
- Our database includes 303 publications tagged with this CPC code.
- Is patent activity under CPC H04R23/00 growing?
- Publication counts under this code: 12 in 2024 vs 13 in 2025 (latest complete years).