Receiver equalization circuitry using variable termination and T-coil
US-12388490-B2 · Aug 12, 2025 · US
variable equalisers
variable equalisers · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04B3/145 |
| Official title | {variable equalisers} |
| Display label | variable equalisers |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 2 |
| 2017 | 11 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Receiver equalization circuitry using variable termination and t-coil
US-2023308132-A1 · Sep 28, 2023 · US
Methods and circuits for adaptive equalization
US-11665028-B2 · May 30, 2023 · US
Adaptive cable equalizer
US-11616529-B2 · Mar 28, 2023 · US
Self-describing system using single-source/multi-destination cable
US-11509751-B2 · Nov 22, 2022 · US
Self-describing system using single-source/multi-destination cable
US-2022201104-A1 · Jun 23, 2022 · US
Methods and Circuits for Adaptive Equalization
US-2022078052-A1 · Mar 10, 2022 · US
Methods and circuits for adaptive equalization
US-11153133-B2 · Oct 19, 2021 · US
Composite right-hand left-hand distributed attenuator
US-11012113-B2 · May 18, 2021 · US
Methods and Circuits for Adaptive Equalization
US-2021126818-A1 · Apr 29, 2021 · US
Methods and circuits for adaptive equalization
US-10880131-B2 · Dec 29, 2020 · US
Methods and Circuits for Adaptive Equalization
US-2020252243-A1 · Aug 6, 2020 · US
Equalization of frequency-dependent gain
US-10734960-B2 · Aug 4, 2020 · US
Composite right-hand left-hand distributed attenuator
US-2020106476-A1 · Apr 2, 2020 · US
Methods and circuits for adaptive equalization
US-10581648-B2 · Mar 3, 2020 · US
Equalization of frequency-dependent gain
US-2019341896-A1 · Nov 7, 2019 · US
Methods and Circuits for Adaptive Equalization
US-2019268188-A1 · Aug 29, 2019 · US
Methods and circuits for adaptive equalization
US-10291440-B2 · May 14, 2019 · US
M-ary pulse amplitude modulation digital equalizer
US-10263663-B2 · Apr 16, 2019 · US
Equalization of frequency-dependent gain
US-10224893-B2 · Mar 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04B3/145?
- CPC H04B3/145 is the Cooperative Patent Classification code for “variable equalisers.”
- How many patents are filed under CPC H04B3/145 (variable equalisers)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC H04B3/145 growing?
- Publication counts under this code: 3 in 2023 vs 1 in 2025 (latest complete years).