Phase-locked loop
US-12549187-B2 · Feb 10, 2026 · US
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Varying the frequency of the oscillations by electronic means
Varying the frequency of the oscillations by electronic means · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03B2201/02 |
| Official title | Varying the frequency of the oscillations by electronic means |
| Display label | Varying the frequency of the oscillations by electronic means |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of fabricating a superconducting parallel plate capacitor
US-12034404-B2 · Jul 9, 2024 · US
Phase-locked loop
US-2024213991-A1 · Jun 27, 2024 · US
Phase-locked loop
US-11962315-B2 · Apr 16, 2024 · US
Oscillator circuit
US-11757405-B2 · Sep 12, 2023 · US
Phase-locked loop
US-2023179209-A1 · Jun 8, 2023 · US
Oscillator circuit
US-11641178-B2 · May 2, 2023 · US
Oscillator Circuit
US-2022263463-A1 · Aug 18, 2022 · US
Oscillator circuit
US-2022200530-A1 · Jun 23, 2022 · US
Frequency multiplexed resonator input and/or output for a superconducting device
US-2021218367-A1 · Jul 15, 2021 · US
Frequency multiplexed resonator input and/or output for a superconducting device
US-10938346-B2 · Mar 2, 2021 · US
Hybrid RC/crystal oscillator
US-10771012-B2 · Sep 8, 2020 · US
Techniques and circuits for time-interleaved injection locked voltage controlled oscillators with jitter accumulation reset
US-10680585-B2 · Jun 9, 2020 · US
Crystal controlled oscillator and manufacturing method of crystal controlled oscillator
US-10581437-B2 · Mar 3, 2020 · US
Hybrid RC/Crystal Oscillator
US-2020036329-A1 · Jan 30, 2020 · US
Techniques and circuits for time-interleaved injection locked Voltage Controlled Oscillators with jitter accumulation reset
US-2019312573-A1 · Oct 10, 2019 · US
Hybrid RC/crystal oscillator
US-10439556-B2 · Oct 8, 2019 · US
Voltage system and operating method thereof
US-10250132-B2 · Apr 2, 2019 · US
Voltage system and operating method thereof
US-2018358895-A1 · Dec 13, 2018 · US
Crystal controlled oscillator and manufacturing method of crystal controlled oscillator
US-2018248556-A1 · Aug 30, 2018 · US