Low-dropout regulator with auto-adjusting stability compenstion circuit
US-2024377850-A1 · Nov 14, 2024 · US
Voltage to current converters (amplifiers H03F)
Voltage to current converters (amplifiers H03F) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G05F1/561 |
| Official title | {Voltage to current converters (amplifiers H03F)} |
| Display label | Voltage to current converters (amplifiers H03F) |
| Total patents | 767 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 21 |
| 2017 | 44 |
| 2018 | 67 |
| 2019 | 84 |
| 2020 | 68 |
| 2021 | 84 |
| 2022 | 91 |
| 2023 | 81 |
| 2024 | 95 |
| 2025 | 95 |
| 2026 | 19 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Current output circuit
US-2017371457-A1 · Dec 28, 2017 · US
Control Device and Method for Power Supplying of Communications Network
US-2017353321-A1 · Dec 7, 2017 · US
Voltage-to-current converter
US-2017322574-A1 · Nov 9, 2017 · US
Low-noise current source
US-2017315573-A1 · Nov 2, 2017 · US
Reference voltage generation circuit and dcdc converter having the same
US-2017310214-A1 · Oct 26, 2017 · US
Amplifier circuit and voltage regulator
US-9800156-B2 · Oct 24, 2017 · US
Current output circuit
US-9760232-B2 · Sep 12, 2017 · US
Output circuit
US-2017255219-A1 · Sep 7, 2017 · US
Current-to-voltage conversion circuit, reception apparatus, and imaging system
US-9746865-B2 · Aug 29, 2017 · US
Power supply apparatus with cable voltage drop compensation
US-9712052-B2 · Jul 18, 2017 · US
Voltage-to-current converter
US-2017160755-A1 · Jun 8, 2017 · US
Apparatus and method for generating a temperature-dependent control signal
US-9667259-B2 · May 30, 2017 · US
Voltage regulator with dropout detector and bias current limiter and associated methods
US-9645594-B2 · May 9, 2017 · US
RF amplification device with power protection during high supply voltage conditions
US-9647610-B2 · May 9, 2017 · US
Voltage regulator with dropout detector and bias current limiter and associated methods
US-2017102724-A1 · Apr 13, 2017 · US
Integrated circuit with precision current source
US-9608626-B1 · Mar 28, 2017 · US
Semiconductor integrated circuit for regulator
US-2017063232-A1 · Mar 2, 2017 · US
Dual loop voltage regulator based on inverter amplifier and voltage regulating method thereof
US-9577613-B2 · Feb 21, 2017 · US
Voltage-controlled oscillator and analog-digital converter
US-9577661-B2 · Feb 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G05F1/561?
- CPC G05F1/561 is the Cooperative Patent Classification code for “Voltage to current converters (amplifiers H03F).”
- How many patents are filed under CPC G05F1/561 (Voltage to current converters (amplifiers H03F))?
- Our database includes 767 publications tagged with this CPC code.
- Is patent activity under CPC G05F1/561 growing?
- Publication counts under this code: 95 in 2024 vs 95 in 2025 (latest complete years).