Antenna system
US-12457004-B2 · Oct 28, 2025 · US
This page is not indexed by search engines while we improve data quality.
in negative-feedback path of line amplifier
in negative-feedback path of line amplifier · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04B3/08 |
| Official title | in negative-feedback path of line amplifier |
| Display label | in negative-feedback path of line amplifier |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cable network system for bidirectional communication at an enchanced duplex frequency range
US-2025105874-A1 · Mar 27, 2025 · US
Cable network system for bidirectional communication at an enhanced duplex frequency range
US-12199690-B2 · Jan 14, 2025 · US
Cable network system for bidirectional communication at an enhanced duplex frequency range
US-2024039578-A1 · Feb 1, 2024 · US
Communication circuitry for preventing loss of received signals, and electronic device comprising same
US-2023412200-A1 · Dec 21, 2023 · US
Cable network system for bidirectional communication at an enhanced duplex frequency range
US-11817915-B2 · Nov 14, 2023 · US
Antenna system
US-2023353190-A1 · Nov 2, 2023 · US
Analog front-end receiver and electronic device including the same receiver
US-11522736-B2 · Dec 6, 2022 · US
Cable network system for bidirectional communication at an enhanced duplex frequency range
US-2022368372-A1 · Nov 17, 2022 · US
Analog front-end receiver and electronic device including the same receiver
US-2022141056-A1 · May 5, 2022 · US
Methods and systems for use of common mode rejection (CMR) for echo cancellation in uplink communications
US-11165464-B2 · Nov 2, 2021 · US
Hybrid active tap
US-10771109-B1 · Sep 8, 2020 · US
Hybrid active tap
US-2020274577-A1 · Aug 27, 2020 · US
Methods and systems for use of common mode rejection (cmr) for echo cancellation in uplink communications
US-2019349026-A1 · Nov 14, 2019 · US
Remote radio frequency (RF) AGC loop
US-10419066-B1 · Sep 17, 2019 · US
Quarter wavelength unit delay and complex weighting coefficient continuous-time filters
US-10027367-B2 · Jul 17, 2018 · US
Remote antenna compensation
US-10021652-B2 · Jul 10, 2018 · US
Remote antenna compensation
US-2018152898-A1 · May 31, 2018 · US
Electric signal transmission apparatus
US-9806917-B2 · Oct 31, 2017 · US
Quarter wavelength unit delay and complex weighting coefficient continuous-time filters
US-2017054469-A1 · Feb 23, 2017 · US