Phase estimation for clock-and-data recovery initialisation in an optical receiver of a passive optical network
US-2025279875-A1 · Sep 4, 2025 · US
using a sine signal or unmodulated carrier
using a sine signal or unmodulated carrier · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04L2007/047 |
| Official title | {using a sine signal or unmodulated carrier} |
| Display label | using a sine signal or unmodulated carrier |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for communication according to a TDMA protocol between a master device and at least one slave device
US-12362846-B2 · Jul 15, 2025 · US
Baudrate Tracking with a Cost Function Engine for Pattern Detection
US-2025106000-A1 · Mar 27, 2025 · US
Method of operating a device, device and system
US-12135579-B2 · Nov 5, 2024 · US
Electrical phase computation using RF media
US-11722168-B2 · Aug 8, 2023 · US
Method for communication according to a tdma protocol between a master device and at least one slave device
US-2023060643-A1 · Mar 2, 2023 · US
Electrical Phase Computation Using RF Media
US-2022376737-A1 · Nov 24, 2022 · US
Electrical phase computation using RF media
US-11411598-B2 · Aug 9, 2022 · US
Method of operating a device, device and system
US-2022221896-A1 · Jul 14, 2022 · US
AMI system for performing phase detection and synchronization in AMI communication network using relay communication method, and method thereof
US-11139948-B2 · Oct 5, 2021 · US
Ami system for performing phase detection and synchronization in ami communication network using relay communication method, and method thereof
US-2021184827-A1 · Jun 17, 2021 · US
Electrical Phase Computation Using RF Media
US-2020382155-A1 · Dec 3, 2020 · US
Preamble defect detection and mitigation
US-10694007-B1 · Jun 23, 2020 · US
Clock and frame synchronization carried as a single composite signal allows the use of a single transmission line with a narrower bandwidth
US-10284358-B1 · May 7, 2019 · US
Preamble defect detection and mitigation
US-10277718-B1 · Apr 30, 2019 · US
Preamble detection and frequency offset determination
US-10243703-B1 · Mar 26, 2019 · US
Offset value correction device and offset value correction method for correcting offset value in received signal
US-10069621-B2 · Sep 4, 2018 · US
Receiver configuration for a control unit in a vehicle and method for generating a synchronization pulse
US-9937886-B2 · Apr 10, 2018 · US
Preamble detection and frequency offset determination
US-9819456-B1 · Nov 14, 2017 · US
Recovering timing from a self-clocking coded light signal
US-9768867-B2 · Sep 19, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04L2007/047?
- CPC H04L2007/047 is the Cooperative Patent Classification code for “using a sine signal or unmodulated carrier.”
- How many patents are filed under CPC H04L2007/047 (using a sine signal or unmodulated carrier)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC H04L2007/047 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).