Amplifier circuit having adjustable gain
US-12113495-B2 · Oct 8, 2024 · US
by use of attenuating means {(attenuators H03G)}
by use of attenuating means {(attenuators H03G)} · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F1/12 |
| Official title | by use of attenuating means {(attenuators H03G)} |
| Display label | by use of attenuating means {(attenuators H03G)} |
| Total patents | 70 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 12 |
| 2020 | 7 |
| 2021 | 9 |
| 2022 | 10 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Power amplification with reduced gain variation
US-12074576-B2 · Aug 27, 2024 · US
Amplifier circuit for buffering high slew rate signal
US-2024243701-A1 · Jul 18, 2024 · US
Half duplex amplifier
US-11870403-B2 · Jan 9, 2024 · US
Circuitry, Circuit Module, System and Method for Impedance Matching and Signal Attenuation
US-2023336131-A1 · Oct 19, 2023 · US
Spectrometer amplifier compensation
US-11728154-B2 · Aug 15, 2023 · US
Instant RF overvoltage protection element
US-11683056-B2 · Jun 20, 2023 · US
Attenuation circuit
US-2023170871-A1 · Jun 1, 2023 · US
Gain-adjustable Amplifier Circuit
US-2023163738-A1 · May 25, 2023 · US
Half duplex amplifier
US-2023098958-A1 · Mar 30, 2023 · US
Amplifier circuit having adjustable gain
US-2023031137-A1 · Feb 2, 2023 · US
Amplification device
US-2022376661-A1 · Nov 24, 2022 · US
Amplification device
US-2022376663-A1 · Nov 24, 2022 · US
Instant rf overvoltage protection element
US-2022368361-A1 · Nov 17, 2022 · US
Power amplification with reduced gain variation
US-2022321074-A1 · Oct 6, 2022 · US
Variable gain amplifier and wireless communication device
US-11437965-B2 · Sep 6, 2022 · US
Spectrometer amplifier compensation
US-2022181133-A1 · Jun 9, 2022 · US
Dynamic stability control in amplifier driving high Q load
US-11277104-B2 · Mar 15, 2022 · US
Electroencephalogram (eeg) signal amplification apparatus for boosting impedance
US-2022071544-A1 · Mar 10, 2022 · US
Distortion imparting device and distortion imparting method
US-11233491-B2 · Jan 25, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F1/12?
- CPC H03F1/12 is the Cooperative Patent Classification code for “by use of attenuating means {(attenuators H03G)}.”
- How many patents are filed under CPC H03F1/12 (by use of attenuating means {(attenuators H03G)})?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC H03F1/12 growing?
- Publication counts under this code: 5 in 2024 vs 8 in 2025 (latest complete years).