Adaptive biasing procedure to increase auxiliary PA efficiency for an integrated echo canceller
US-12506515-B2 · Dec 23, 2025 · US
Reducing echo effects
Reducing echo effects · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04B7/015 |
| Official title | Reducing echo effects |
| Display label | Reducing echo effects |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 14 |
| 2017 | 5 |
| 2018 | 4 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Adaptive Biasing Procedure to Increase Auxiliary PA Efficiency for an Integrated Echo Canceller
US-2025226856-A1 · Jul 10, 2025 · US
Node and method performed by the node in wireless communication system
US-12348274-B2 · Jul 1, 2025 · US
Echo cancellation method and transceiver
US-12143146-B2 · Nov 12, 2024 · US
Node and method performed by the node in wireless communication system
US-2024223285-A1 · Jul 4, 2024 · US
Communication device and method for echo signals management
US-11984945-B2 · May 14, 2024 · US
Communication device and method for echo signals management
US-11973543-B2 · Apr 30, 2024 · US
Electronic device and method for detecting error of a signal
US-2024127784-A1 · Apr 18, 2024 · US
Adaptive linear drivers
US-2023336383-A1 · Oct 19, 2023 · US
Adaptive linear drivers
US-11784857-B1 · Oct 10, 2023 · US
Communication device and method for echo signals management
US-2023261698-A1 · Aug 17, 2023 · US
Echo cancellation method and transceiver
US-2023072440-A1 · Mar 9, 2023 · US
Communication device and method for echo signals management
US-11575411-B2 · Feb 7, 2023 · US
Frequency correction in a multi-carrier communication system
US-11363554-B2 · Jun 14, 2022 · US
Communication device and method for echo signals management
US-2022029663-A1 · Jan 27, 2022 · US
Communication device and method for echo signals management
US-2021399767-A1 · Dec 23, 2021 · US
Communication device and method for echo signals management
US-11171691-B2 · Nov 9, 2021 · US
Signal processing structure
US-10972123-B1 · Apr 6, 2021 · US
Frequency correction in a multi-carrier communication system
US-2020305106-A1 · Sep 24, 2020 · US
Frequency correction in a multi-carrier communication system
US-10681662-B2 · Jun 9, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04B7/015?
- CPC H04B7/015 is the Cooperative Patent Classification code for “Reducing echo effects.”
- How many patents are filed under CPC H04B7/015 (Reducing echo effects)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC H04B7/015 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).