Control apparatus for driving display panel and method thereof
US-10796665-B1 · Oct 6, 2020 · US
using switching means, e.g. sample and hold
using switching means, e.g. sample and hold · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F3/45977 |
| Official title | {using switching means, e.g. sample and hold} |
| Display label | using switching means, e.g. sample and hold |
| Total patents | 118 |
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 | 8 |
| 2016 | 12 |
| 2017 | 12 |
| 2018 | 13 |
| 2019 | 13 |
| 2020 | 5 |
| 2021 | 13 |
| 2022 | 11 |
| 2023 | 10 |
| 2024 | 16 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Techniques for controlling an auto-zero amplifier
US-2020304078-A1 · Sep 24, 2020 · US
Method for improving threshold accuracy in an RFID-device through offset cancellation
US-10523157-B1 · Dec 31, 2019 · US
Sample- and-hold circuit and display device
US-10515709-B2 · Dec 24, 2019 · US
Magnetic field sensor with feedback loop for test signal processing
US-10481219-B2 · Nov 19, 2019 · US
DC offset cancellation and crosspoint control circuit
US-10484213-B2 · Nov 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
Signal error calibrating method
US-2019271753-A1 · Sep 5, 2019 · US
Method and apparatus for reducing impact of transistor random mismatch in circuits
US-10320371-B2 · Jun 11, 2019 · US
Power-on-Reset and Phase Comparator for Chopper Amplifiers
US-2019149108-A1 · May 16, 2019 · US
Programmable buffering, bandwidth extension and pre-emphasis of a track-and-hold circuit using series inductance
US-10291192-B1 · May 14, 2019 · US
Dc offset cancellation and crosspoint control circuit
US-2019132163-A1 · May 2, 2019 · US
Circuit and method for a high common mode rejection amplifier by using a digitally controlled gain trim circuit
US-10250210-B2 · Apr 2, 2019 · US
Magnetic Field Sensor With Feedback Loop For Test Signal Processing
US-2019079146-A1 · Mar 14, 2019 · US
Transmipedance amplifier circuit, related integrated circuit, receiver circuit and method of operating a transimpedance amplifier circuit
US-10187026-B2 · Jan 22, 2019 · US
Method and apparatus for reducing impact of transistor random mismatch in circuits
US-2018375502-A1 · Dec 27, 2018 · US
Amplifier circuit and multipath nested miller amplifier circuit
US-10148238-B2 · Dec 4, 2018 · US
Sample-and-hold circuit and display device
US-2018330797-A1 · Nov 15, 2018 · US
Method and apparatus for reducing impact of transistor random mismatch in circuits
US-2018294806-A1 · Oct 11, 2018 · US
Method and apparatus for reducing impact of transistor random mismatch in circuits
US-10097169-B1 · Oct 9, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F3/45977?
- CPC H03F3/45977 is the Cooperative Patent Classification code for “using switching means, e.g. sample and hold.”
- How many patents are filed under CPC H03F3/45977 (using switching means, e.g. sample and hold)?
- Our database includes 118 publications tagged with this CPC code.
- Is patent activity under CPC H03F3/45977 growing?
- Publication counts under this code: 16 in 2024 vs 5 in 2025 (latest complete years).