Signal synthesis apparatus and method capable of correcting frequency offset of open loop
US-2024364352-A1 · Oct 31, 2024 · US
applying frequency modulation by varying the characteristics of the voltage controlled oscillator
applying frequency modulation by varying the characteristics of the voltage controlled oscillator · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03C3/0958 |
| Official title | {applying frequency modulation by varying the characteristics of the voltage controlled oscillator} |
| Display label | applying frequency modulation by varying the characteristics of the voltage controlled oscillator |
| Total patents | 67 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 15 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 7 |
| 2021 | 9 |
| 2022 | 9 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oscillator with frequency variation compensation
US-12119788-B2 · Oct 15, 2024 · US
Method of generating self-test signals, corresponding circuit and apparatus
US-11860223-B2 · Jan 2, 2024 · US
High Q-factor inductor
US-11495382-B2 · Nov 8, 2022 · US
Wireless station and method of correcting frequency error
US-11489656-B2 · Nov 1, 2022 · US
Oscillator with frequency variation compensation
US-2022337189-A1 · Oct 20, 2022 · US
Accelerated channel scanning with a two-point-modulated phase-locked loop
US-11437957-B2 · Sep 6, 2022 · US
Accelerated channel scanning with a two-point-modulated phase-locked loop
US-2022247355-A1 · Aug 4, 2022 · US
Oscillator with frequency variation compensation
US-2022200527-A1 · Jun 23, 2022 · US
Oscillator with frequency variation compensation
US-11356058-B1 · Jun 7, 2022 · US
Signal generator
US-11233480-B2 · Jan 25, 2022 · US
Method of generating self-test signals, corresponding circuit and apparatus
US-2022003814-A1 · Jan 6, 2022 · US
Phase-locked loop (PLL) calibration
US-11212017-B2 · Dec 28, 2021 · US
Method of generating self-test signals, corresponding circuit and apparatus
US-11150294-B2 · Oct 19, 2021 · US
Wireless station and method of correcting frequency error
US-2021306131-A1 · Sep 30, 2021 · US
Signal Generator
US-2021194430-A1 · Jun 24, 2021 · US
Method and apparatus for calibration of voltage controlled oscillator
US-11043953-B2 · Jun 22, 2021 · US
Linear frequency ramp generator using multi-point injection
US-11031943-B1 · Jun 8, 2021 · US
Partitioned digital-to-analog converter system
US-10958279-B1 · Mar 23, 2021 · US
Phase-Locked Loop (PLL) Calibration
US-2021083782-A1 · Mar 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03C3/0958?
- CPC H03C3/0958 is the Cooperative Patent Classification code for “applying frequency modulation by varying the characteristics of the voltage controlled oscillator.”
- How many patents are filed under CPC H03C3/0958 (applying frequency modulation by varying the characteristics of the voltage controlled oscillator)?
- Our database includes 67 publications tagged with this CPC code.
- Is patent activity under CPC H03C3/0958 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).