Cable network system for bidirectional communication at an enchanced duplex frequency range
US-2025105874-A1 · Mar 27, 2025 · US
the amplifier being suitable for CATV applications
the amplifier being suitable for CATV applications · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F2200/63 |
| Official title | the amplifier being suitable for CATV applications |
| Display label | the amplifier being suitable for CATV applications |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 9 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 2 |
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 enhanced duplex frequency range
US-12199690-B2 · Jan 14, 2025 · US
Switched filter amp circuit for soft duplex CATV architectures
US-12177603-B2 · Dec 24, 2024 · US
Half duplex amplifier
US-2024162872-A1 · May 16, 2024 · US
Cable network system for bidirectional communication at an enhanced duplex frequency range
US-2024039578-A1 · Feb 1, 2024 · US
Half duplex amplifier
US-11870403-B2 · Jan 9, 2024 · US
Cable network system for bidirectional communication at an enhanced duplex frequency range
US-11817915-B2 · Nov 14, 2023 · US
LC filtering with auto tuning
US-11716443-B2 · Aug 1, 2023 · US
Half duplex amplifier
US-2023098958-A1 · Mar 30, 2023 · US
Cable network system for bidirectional communication at an enhanced duplex frequency range
US-2022368372-A1 · Nov 17, 2022 · US
Lc filtering with auto tuning
US-2022303496-A1 · Sep 22, 2022 · US
Network interface device
US-11323655-B2 · May 3, 2022 · US
Switched filter amp circuit for soft duplex catv architectures
US-2021160454-A1 · May 27, 2021 · US
RF signal amplifier with combined active and passive port
US-10917067-B2 · Feb 9, 2021 · US
Network interface device
US-2020374485-A1 · Nov 26, 2020 · US
Network interface device
US-10742926-B2 · Aug 11, 2020 · US
Method of and circuit for predistortion for a cable TV amplifier
US-10715702-B1 · Jul 14, 2020 · US
Frequency-segmented power amplifier
US-10700722-B1 · Jun 30, 2020 · US
Digital communications circuits and systems
US-10622951-B1 · Apr 14, 2020 · US
Rf signal amplifier with combined active and passive port
US-2019312561-A1 · Oct 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F2200/63?
- CPC H03F2200/63 is the Cooperative Patent Classification code for “the amplifier being suitable for CATV applications.”
- How many patents are filed under CPC H03F2200/63 (the amplifier being suitable for CATV applications)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC H03F2200/63 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).