Dynamically controlled auto-ranging current sense circuit
US-10859603-B1 · Dec 8, 2020 · US
A resistor being used as sensor
A resistor being used as sensor · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F2200/481 |
| Official title | A resistor being used as sensor |
| Display label | A resistor being used as sensor |
| Total patents | 158 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 7 |
| 2017 | 12 |
| 2018 | 16 |
| 2019 | 18 |
| 2020 | 22 |
| 2021 | 20 |
| 2022 | 20 |
| 2023 | 12 |
| 2024 | 15 |
| 2025 | 5 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Amplifier with local feedback loop
US-2019372531-A1 · Dec 5, 2019 · US
RF metrology system for a substrate processing apparatus incorporating RF sensors with corresponding lock-in amplifiers
US-10432248-B1 · Oct 1, 2019 · US
Rf metrology system for a substrate processing apparatus incorporating rf sensors with corresponding lock-in amplifiers
US-2019288737-A1 · Sep 19, 2019 · US
Single controller automatic calibrating circuits for reducing or canceling offset voltages in operational amplifiers in an instrumentation amplifier
US-10418954-B1 · Sep 17, 2019 · US
Audio power source with improved efficiency
US-10404218-B2 · Sep 3, 2019 · US
Amplifier with common mode loop and chop
US-10396724-B1 · Aug 27, 2019 · US
Ground switching for speaker current sense
US-10396779-B2 · Aug 27, 2019 · US
Audio power source with improved efficiency
US-2019214947-A1 · Jul 11, 2019 · US
Voltage range extension for difference amplifier
US-10312865-B2 · Jun 4, 2019 · US
Stress sensor
US-2019154527-A1 · May 23, 2019 · US
High Precision Current Sensing using Sense Amplifier with Digital AZ Offset Compensation
US-2019128932-A1 · May 2, 2019 · US
Power amplifier, semiconductor integrated circuit, and method of controlling the power amplifier
US-10270406-B2 · Apr 23, 2019 · US
Voltage range extension for difference amplifier
US-2019115874-A1 · Apr 18, 2019 · US
Amplifier system and method for controlling amplifier
US-10263585-B2 · Apr 16, 2019 · US
Current sensing in a USB power control analog subsystem
US-10222402-B2 · Mar 5, 2019 · US
Method and Device for Providing a Bias Voltage in Transceivers
US-2019058448-A1 · Feb 21, 2019 · US
Fet operational temperature determination by gate structure resistance thermometry
US-2019028065-A1 · Jan 24, 2019 · US
Fet operational temperature determination by field plate resistance thermometry
US-2019028066-A1 · Jan 24, 2019 · US
Ground switching for speaker current sense
US-2018351547-A1 · Dec 6, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F2200/481?
- CPC H03F2200/481 is the Cooperative Patent Classification code for “A resistor being used as sensor.”
- How many patents are filed under CPC H03F2200/481 (A resistor being used as sensor)?
- Our database includes 158 publications tagged with this CPC code.
- Is patent activity under CPC H03F2200/481 growing?
- Publication counts under this code: 15 in 2024 vs 5 in 2025 (latest complete years).