Tuning method for current mode relaxation oscillator
US-11641189-B2 · May 2, 2023 · US
the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator
the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03K4/501 |
| Official title | the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator |
| Display label | the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator |
| Total patents | 70 |
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 | 7 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 9 |
| 2019 | 9 |
| 2020 | 16 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oscillator circuit having low jitter and insensitivity to temperature changes
US-11527993-B2 · Dec 13, 2022 · US
Precision internal low-frequency oscillator to generate real-time clock
US-2022337190-A1 · Oct 20, 2022 · US
Oscillator circuit
US-2022321110-A1 · Oct 6, 2022 · US
Oscillator circuit having low jitter and insensitivity to temperature changes
US-2022166382-A1 · May 26, 2022 · US
Oscillator
US-2022166415-A1 · May 26, 2022 · US
Tunable oscillator with temperature and power voltage compensation function
US-11283404-B1 · Mar 22, 2022 · US
RC oscillating circuit
US-11171602-B2 · Nov 9, 2021 · US
Tuning method for current mode relaxation oscillator
US-2021305971-A1 · Sep 30, 2021 · US
Relaxation oscillator with an aging effect reduction technique
US-11095276-B2 · Aug 17, 2021 · US
Tuning method for current mode relaxation oscillator
US-11043936-B1 · Jun 22, 2021 · US
Current-controlled oscillator
US-10979033-B2 · Apr 13, 2021 · US
Relaxation oscillator circuit with process variation compensation
US-2021099128-A1 · Apr 1, 2021 · US
Rc oscillating circuit
US-2021036660-A1 · Feb 4, 2021 · US
Relaxation oscillator with an aging effect reduction technique
US-2020412347-A1 · Dec 31, 2020 · US
Current-controlled oscillator
US-2020358428-A1 · Nov 12, 2020 · US
Electronic circuit, semiconductor integrated circuit and monitoring circuit mounted with the same, and electronic device
US-10784870-B2 · Sep 22, 2020 · US
Integrated circuits having self-calibrating oscillators, and methods of operating the same
US-10782727-B2 · Sep 22, 2020 · US
Clock period tuning method for RC clock circuits
US-10775834-B2 · Sep 15, 2020 · US
Current-controlled oscillator
US-10734975-B1 · Aug 4, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03K4/501?
- CPC H03K4/501 is the Cooperative Patent Classification code for “the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator.”
- How many patents are filed under CPC H03K4/501 (the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC H03K4/501 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).