Switchable clamps across attenuators
US-2024137059-A1 · Apr 25, 2024 · US
Protection of an amplifier being implemented by clamping means
Protection of an amplifier being implemented by clamping means · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F2200/441 |
| Official title | Protection of an amplifier being implemented by clamping means |
| Display label | Protection of an amplifier being implemented by clamping means |
| Total patents | 151 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 4 |
| 2017 | 9 |
| 2018 | 12 |
| 2019 | 9 |
| 2020 | 14 |
| 2021 | 13 |
| 2022 | 13 |
| 2023 | 24 |
| 2024 | 21 |
| 2025 | 21 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Amplifier circuit
US-11121686-B2 · Sep 14, 2021 · US
Method and apparatus to optimize power clamping
US-11075661-B1 · Jul 27, 2021 · US
Amplifier Circuit
US-2020382085-A1 · Dec 3, 2020 · US
Slow clamp circuit for bipolar junction transistor (BJT) buffers
US-10804887-B1 · Oct 13, 2020 · US
Concurrent electrostatic discharge and surge protection clamps in power amplifiers
US-2020321923-A1 · Oct 8, 2020 · US
Large input current detection and fast response optical receiver
US-2020228078-A1 · Jul 16, 2020 · US
Variable Level Power Clamping Circuit
US-2020227912-A1 · Jul 16, 2020 · US
Over current protection with improved stability systems and methods
US-2020176978-A1 · Jun 4, 2020 · US
Clamped output amplifier
US-10673390-B2 · Jun 2, 2020 · US
Amplification device
US-2020162031-A1 · May 21, 2020 · US
Signal level detection and overrange signal limiter and clamp for electronic circuits
US-10622956-B2 · Apr 14, 2020 · US
Gate voltage control circuit of insulated gate bipolar transistor and control method thereof
US-10622986-B2 · Apr 14, 2020 · US
Linear amplifier having higher efficiency for envelope tracking modulator
US-10608592-B2 · Mar 31, 2020 · US
Base station antennas having transmitters and receivers therein that support time division duplexing (tdd) with enhanced bias control for high speed switching
US-2020091953-A1 · Mar 19, 2020 · US
Clamped output amplifier
US-2020067464-A1 · Feb 27, 2020 · US
Signal level detection and overrange signal limiter and clamp for electronic circuits
US-2020036351-A1 · Jan 30, 2020 · US
Base station antennas having transmitters and receivers therein that support time division duplexing (TDD) with enhanced bias control for high speed switching
US-10523260-B2 · Dec 31, 2019 · US
Signal level detection and overrange signal limiter and clamp for electronic circuits
US-10498303-B2 · Dec 3, 2019 · US
Output buffer circuit and method for avoiding voltage overshoot
US-RE47743-E · Nov 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F2200/441?
- CPC H03F2200/441 is the Cooperative Patent Classification code for “Protection of an amplifier being implemented by clamping means.”
- How many patents are filed under CPC H03F2200/441 (Protection of an amplifier being implemented by clamping means)?
- Our database includes 151 publications tagged with this CPC code.
- Is patent activity under CPC H03F2200/441 growing?
- Publication counts under this code: 21 in 2024 vs 21 in 2025 (latest complete years).