Stable scalable digital frequency reference
US-12451893-B2 · Oct 21, 2025 · US
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the phase-locked loop controlling several oscillators in turn
the phase-locked loop controlling several oscillators in turn · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03L7/141 |
| Official title | {the phase-locked loop controlling several oscillators in turn} |
| Display label | the phase-locked loop controlling several oscillators in turn |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Stable scalable digital frequency reference
US-12334940-B2 · Jun 17, 2025 · US
Stable scalable digital frequency reference
US-2024204787-A1 · Jun 20, 2024 · US
Stable scalable digital frequency reference
US-2024171183-A1 · May 23, 2024 · US
Stable scalable digital frequency reference
US-2022399896-A1 · Dec 15, 2022 · US
Frequency synthesizer
US-11290118-B2 · Mar 29, 2022 · US
Frequency synthesizer
US-2021391866-A1 · Dec 16, 2021 · US
Systems and methods for mitigation of nonlinearity related phase noise degradations
US-11005481-B2 · May 11, 2021 · US
PLL for continuous-time delta-sigma modulator based ADCs
US-10715156-B1 · Jul 14, 2020 · US
Method and apparatus for switched adaptive clocking
US-10707877-B1 · Jul 7, 2020 · US
Clock screening with programmable counter-based clock interface and time-to-digital converter with high resolution and wide range operation
US-10707854-B2 · Jul 7, 2020 · US
Systems and Methods for Mitigation of Nonlinearity Related Phase Noise Degradations
US-2020177190-A1 · Jun 4, 2020 · US
Clock screening with programmable counter-based clock interface and time-to-digital converter with high resolution and wide range operation
US-2020083873-A1 · Mar 12, 2020 · US
Clock screening with programmable counter-based clock interface and time-to-digital converter with high resolution and wide range operation
US-10520901-B2 · Dec 31, 2019 · US
Method and apparatus for driving a multi-oscillator system
US-10451454-B2 · Oct 22, 2019 · US
Clock screening with programmable counter-based clock interface and time-to-digital converter with high resolution and wide range operation
US-2019268010-A1 · Aug 29, 2019 · US
Method and apparatus for driving a multi-oscillator system
US-2019078912-A1 · Mar 14, 2019 · US
Self-calibrating frequency quadrupler circuit and method thereof
US-10224936-B1 · Mar 5, 2019 · US
Method and apparatus for driving a multi-oscillator system
US-10168194-B2 · Jan 1, 2019 · US
Method and Apparatus for Driving a Multi-Oscillator System
US-2017184644-A1 · Jun 29, 2017 · US