Bone conductive sound generating device
US-12155990-B2 · Nov 26, 2024 · US
Microphones
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 | H04R11/04 |
| Official title | Microphones |
| Display label | Microphones |
| Total patents | 60 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 11 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Power generation device
US-2024380339-A1 · Nov 14, 2024 · US
Acoustic receiver and method of making same
US-12081940-B2 · Sep 3, 2024 · US
Apparatus for sensing comprising a microphone arrangement
US-12081929-B2 · Sep 3, 2024 · US
Vibration sensors
US-2023358600-A1 · Nov 9, 2023 · US
Acoustic receiver and method of making same
US-2023164493-A1 · May 25, 2023 · US
Acoustic receiver and method of making same
US-11582558-B2 · Feb 14, 2023 · US
Bone conductive sound generating device
US-2022210540-A1 · Jun 30, 2022 · US
Bone conductive sound generating device
US-11310584-B2 · Apr 19, 2022 · US
Composite diaphragms having balanced stress
US-11212621-B2 · Dec 28, 2021 · US
Diaphragm assembly, a transducer, a microphone, and a method of manufacture
US-11190880-B2 · Nov 30, 2021 · US
Composite diaphragms having balanced stress
US-2021168515-A1 · Jun 3, 2021 · US
Armature-based acoustic receiver having improved output and method
US-11012786-B2 · May 18, 2021 · US
Balanced armature receiver with bi-stable balanced armature
US-10986449-B2 · Apr 20, 2021 · US
An apparatus for sensing comprising a microphone arrangement
US-2020396528-A1 · Dec 17, 2020 · US
Bone conductive sound generating device
US-2020344542-A1 · Oct 29, 2020 · US
Diaphragm, a sound generator, a hearing device and a method
US-10820104-B2 · Oct 27, 2020 · US
MEMS sensor
US-10710868-B2 · Jul 14, 2020 · US
Diaphragm assembly, a transducer, a microphone, and a method of manufacture
US-2020213740-A1 · Jul 2, 2020 · US
Balanced armature receiver with bi-stable balanced armature
US-2020186932-A1 · Jun 11, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04R11/04?
- CPC H04R11/04 is the Cooperative Patent Classification code for “Microphones.”
- How many patents are filed under CPC H04R11/04 (Microphones)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC H04R11/04 growing?
- Publication counts under this code: 3 in 2023 vs 4 in 2024 (latest complete years).