Digital phase-locked loop and related merged duty cycle calibration scheme for frequency synthesizers
US-12381563-B2 · Aug 5, 2025 · US
Monostable circuits
Monostable circuits · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03K3/033 |
| Official title | Monostable circuits |
| Display label | Monostable circuits |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 9 |
| 2019 | 10 |
| 2020 | 3 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Low voltage buck regulator voltage regulation with reduced overshoot and settling time
US-12261528-B2 · Mar 25, 2025 · US
Digital phase-locked loop and related merged duty cycle calibration scheme for frequency synthesizers
US-2024171181-A1 · May 23, 2024 · US
Sound-detection based injection time measurement system for drug delivery devices
US-2024157057-A1 · May 16, 2024 · US
Surgical instrument comprising a control system that uses input from a strain gage circuit
US-11931110-B2 · Mar 19, 2024 · US
Sterile field interactive control displays
US-11918302-B2 · Mar 5, 2024 · US
Transimpedance amplifier and receiver circuit for optical signals with a photodiode and a transimpedance amplifier
US-11881824-B2 · Jan 23, 2024 · US
Sterile field interactive control displays
US-11864845-B2 · Jan 9, 2024 · US
Surgical instrument comprising a control circuit
US-2023414294-A1 · Dec 28, 2023 · US
Low voltage buck regulator voltage regulation with reduced overshoot and settling time
US-2023387802-A1 · Nov 30, 2023 · US
Method and apparatus for in-situ on-chip timing
US-11764763-B1 · Sep 19, 2023 · US
Surgical instrument with a hardware-only control circuit
US-11744604-B2 · Sep 5, 2023 · US
Surgical instrument comprising a control circuit
US-11712303-B2 · Aug 1, 2023 · US
Sterile field interactive control displays
US-11672605-B2 · Jun 13, 2023 · US
Surgical instrument with a sensing array
US-2022331011-A1 · Oct 20, 2022 · US
Power module and a memory device
US-11393521-B2 · Jul 19, 2022 · US
Surgical instruments comprising button circuits
US-11382697-B2 · Jul 12, 2022 · US
Surgical instrument with a sensing array
US-11324557-B2 · May 10, 2022 · US
A power module and a memory device
US-2022115053-A1 · Apr 14, 2022 · US
Transimpedance amplifier and receiver circuit for optical signals with a photodiode and a transimpedance amplifier
US-2022006433-A1 · Jan 6, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03K3/033?
- CPC H03K3/033 is the Cooperative Patent Classification code for “Monostable circuits.”
- How many patents are filed under CPC H03K3/033 (Monostable circuits)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC H03K3/033 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).