Transconductance tuning in photon counting
US-12355410-B2 · Jul 8, 2025 · US
the load of the amplifier being a capacitive element, e.g. CRT
the load of the amplifier being a capacitive element, e.g. CRT · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F2200/45 |
| Official title | the load of the amplifier being a capacitive element, e.g. CRT |
| Display label | the load of the amplifier being a capacitive element, e.g. CRT |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Circuitry for providing an output voltage
US-2025192742-A1 · Jun 12, 2025 · US
Dual-output amplifier circuit
US-2025150037-A1 · May 8, 2025 · US
Circuitry for providing an output voltage
US-12273083-B2 · Apr 8, 2025 · US
Current sensing circuit, corresponding system and vehicle
US-2024146092-A1 · May 2, 2024 · US
Transconductance tuning in photon counting
US-2023361736-A1 · Nov 9, 2023 · US
Shaper circuit, photon counting circuit and x-ray apparatus
US-2023358903-A1 · Nov 9, 2023 · US
Envelope tracking power amplifier apparatus
US-11398852-B2 · Jul 26, 2022 · US
Circuitry for providing an output voltage
US-2021351753-A1 · Nov 11, 2021 · US
Envelope tracking power amplifier apparatus
US-2020403661-A1 · Dec 24, 2020 · US
Current sample-and-hold circuit and sensor
US-10607711-B2 · Mar 31, 2020 · US
Circuits, devices, and methods for reducing co-channel interference
US-2020083849-A1 · Mar 12, 2020 · US
Reconfigurable radio frequency (RF) power amplifier circuit
US-10491176-B1 · Nov 26, 2019 · US
Current sample-and-hold circuit and sensor
US-2019189235-A1 · Jun 20, 2019 · US
Circuits, devices and methods for reducing co-channel interference
US-10236837-B2 · Mar 19, 2019 · US
Semiconductor device with improved variable gain amplification
US-9979364-B2 · May 22, 2018 · US
Semiconductor device
US-2018062595-A1 · Mar 1, 2018 · US
Circuits, devices and methods for reducing co-channel interference
US-2017264251-A1 · Sep 14, 2017 · US
Accurate sample latch offset compensation scheme
US-9614502-B2 · Apr 4, 2017 · US
Trans-conductance regulation circuit, trans-conductance error amplifier and power converter
US-9606566-B2 · Mar 28, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F2200/45?
- CPC H03F2200/45 is the Cooperative Patent Classification code for “the load of the amplifier being a capacitive element, e.g. CRT.”
- How many patents are filed under CPC H03F2200/45 (the load of the amplifier being a capacitive element, e.g. CRT)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC H03F2200/45 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).