Phase detection circuit, and clock generation circuit and method using the same
US-2026019086-A1 · Jan 15, 2026 · US
using at least two different signals from the frequency divider or the counter for determining the time difference (H03L7/193, H03L7/195 take precedence)
using at least two different signals from the frequency divider or the counter for determining the time difference (H03L7/193, H03L7/195 take precedence) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03L7/191 |
| Official title | using at least two different signals from the frequency divider or the counter for determining the time difference (H03L7/193, H03L7/195 take precedence) |
| Display label | using at least two different signals from the frequency divider or the counter for determining the time difference (H03L7/193, H03L7/195 take precedence) |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 11 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 1 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Synchronization of frequency divided reference clocks
US-2025293698-A1 · Sep 18, 2025 · US
Divided quad clock-based inter-die clocking in a three-dimensional stacked memory device
US-12261613-B2 · Mar 25, 2025 · US
Buffer circuit, and semiconductor apparatus capable of adjusting a clock receiver and/or changing a clock path according to frequency information
US-2025053189-A1 · Feb 13, 2025 · US
Phase estimation for high frequency signals
US-12047084-B1 · Jul 23, 2024 · US
Phase estimation for high frequency signals
US-2024223195-A1 · Jul 4, 2024 · US
Divided quad clock-based inter-die clocking in a three-dimensional stacked memory device
US-2024223196-A1 · Jul 4, 2024 · US
Divided quad clock-based inter-die clocking in a three-dimensional stacked memory device
US-11955981-B2 · Apr 9, 2024 · US
FPGA-based design method and device for equally dividing interval
US-11923863-B2 · Mar 5, 2024 · US
Divided quad clock-based inter-die clocking in a three-dimensional stacked memory device
US-2023336181-A1 · Oct 19, 2023 · US
Fpga-based design method and device for equally dividing interval
US-2022416797-A1 · Dec 29, 2022 · US
Fractional-N phase-locked loop and sliced charge pump control method thereof
US-11509315-B2 · Nov 22, 2022 · US
Ring oscillator based frequency divider
US-11342927-B1 · May 24, 2022 · US
Fractional-n phase-locked loop and sliced charge pump control method thereof
US-2022123754-A1 · Apr 21, 2022 · US
Reference sampling type-i fractional-n phase locked loop
US-2022085822-A1 · Mar 17, 2022 · US
Reference sampling Type-I fractional-N phase locked loop
US-11277143-B1 · Mar 15, 2022 · US
Fractional clock generator with low power and low noise
US-11086353-B2 · Aug 10, 2021 · US
Frequency divider with delay compensation
US-11075639-B1 · Jul 27, 2021 · US
Multi-stage clock generator using mutual injection for multi-phase generation
US-11063600-B1 · Jul 13, 2021 · US
Carrier frequency recovery in a receiver
US-10979277-B1 · Apr 13, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03L7/191?
- CPC H03L7/191 is the Cooperative Patent Classification code for “using at least two different signals from the frequency divider or the counter for determining the time difference (H03L7/193, H03L7/195 take precedence).”
- How many patents are filed under CPC H03L7/191 (using at least two different signals from the frequency divider or the counter for determining the time difference (H03L7/193, H03L7/195 take precedence))?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC H03L7/191 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).