Convertibility of a bone conduction device
US-12581254-B2 · Mar 17, 2026 · US
Transducers of moving-armature or moving-core type (acoustic diaphragm of magnetisable material directly coacting with electromagnet H04R13/00)
Transducers of moving-armature or moving-core type (acoustic diaphragm of magnetisable material directly coacting with electromagnet H04R13/00) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04R11/00 |
| Official title | Transducers of moving-armature or moving-core type (acoustic diaphragm of magnetisable material directly coacting with electromagnet H04R13/00) |
| Display label | Transducers of moving-armature or moving-core type (acoustic diaphragm of magnetisable material directly coacting with electromagnet H04R13/00) |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 12 |
| 2017 | 9 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Convertibility of a bone conduction device
US-2024187801-A1 · Jun 6, 2024 · US
Convertibility of a bone conduction device
US-11910166-B2 · Feb 20, 2024 · US
Convertibility of a bone conduction device
US-2023147143-A1 · May 11, 2023 · US
Convertibility of a bone conduction device
US-11546708-B2 · Jan 3, 2023 · US
Wearable device, wearing detection method, and storage medium
US-11438685-B2 · Sep 6, 2022 · US
Convertibility of a bone conduction device
US-10848883-B2 · Nov 24, 2020 · US
Wearable device, wearing detection method, and storage medium
US-2020314527-A1 · Oct 1, 2020 · US
Electromechanical transducer
US-10542348-B2 · Jan 21, 2020 · US
Convertibility of a bone conduction device
US-10419861-B2 · Sep 17, 2019 · US
Electromechanical transducer
US-2018310101-A1 · Oct 25, 2018 · US
Audio output balancing
US-9794707-B2 · Oct 17, 2017 · US
Audio output balancing
US-9781513-B2 · Oct 3, 2017 · US
Dynamic acoustic impedance matching device and method
US-9674616-B1 · Jun 6, 2017 · US
Bone-conduction anvil and diaphragm
US-9609412-B2 · Mar 28, 2017 · US
Porting audio using a connector in a small form factor electronic device
US-9602914-B2 · Mar 21, 2017 · US
Audio Output Balancing
US-2017064453-A1 · Mar 2, 2017 · US
Audio Output Balancing
US-2017055091-A1 · Feb 23, 2017 · US
Audio output balancing
US-9549258-B2 · Jan 17, 2017 · US
Audio output balancing
US-9544707-B2 · Jan 10, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04R11/00?
- CPC H04R11/00 is the Cooperative Patent Classification code for “Transducers of moving-armature or moving-core type (acoustic diaphragm of magnetisable material directly coacting with electromagnet H04R13/00).”
- How many patents are filed under CPC H04R11/00 (Transducers of moving-armature or moving-core type (acoustic diaphragm of magnetisable material directly coacting with electromagnet H04R13/00))?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC H04R11/00 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2024 (latest complete years).