Distributing timing over Metro Transport Networking
US-2020412471-A1 · Dec 31, 2020 · US
Synchronisation in a TDM node
Synchronisation in a TDM node · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04J3/0691 |
| Official title | {Synchronisation in a TDM node} |
| Display label | Synchronisation in a TDM node |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 9 |
| 2017 | 19 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 10 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for reducing redundant jitter cleaners in wireless distribution systems
US-10862632-B2 · Dec 8, 2020 · US
Time synchronization method, apparatus, and system
US-2020328872-A1 · Oct 15, 2020 · US
Method and apparatus for sending and receiving clock synchronization packet
US-2020244383-A1 · Jul 30, 2020 · US
Transparent clocking in cross connect system
US-10693579-B2 · Jun 23, 2020 · US
Apparatus and method for sampling signal in wireless communication system that employs time division duplex scheme
US-2020162231-A1 · May 21, 2020 · US
Systems and methods for reducing redundant jitter cleaners in wireless distribution systems
US-2020106570-A1 · Apr 2, 2020 · US
Transparent Clocking in a Cross Connect System
US-2020076525-A1 · Mar 5, 2020 · US
Apparatus and mechanism to support multiple time domains in a single soc for time sensitive network
US-2020059311-A1 · Feb 20, 2020 · US
Asynchronous non-orthogonal multiple access in a time/frequency division orthogonal multiple access network
US-2020044762-A1 · Feb 6, 2020 · US
Device and method for supporting clock transfer of multiple clock domains
US-10476657-B2 · Nov 12, 2019 · US
Apparatus and mechanism to support multiple time domains in a single soc for time sensitive network
US-10396922-B2 · Aug 27, 2019 · US
Systems and methods for efficient utilization of wireless bandwidth
US-2019197838-A1 · Jun 27, 2019 · US
Fail safe clock buffer and clock generator
US-10320509-B2 · Jun 11, 2019 · US
Device and Method for Supporting Clock Transfer of Multiple Clock Domains
US-2019165927-A1 · May 30, 2019 · US
Transparent clocking in a cross connect system
US-10298348-B2 · May 21, 2019 · US
Device and method for supporting clock transfer of multiple clock domains
US-10250377-B2 · Apr 2, 2019 · US
Device and Method for Supporting Clock Transfer of Multiple Clock Domains
US-2019007191-A1 · Jan 3, 2019 · US
Encapsulation of digital communications traffic for transmission on an optical link
US-10135557-B2 · Nov 20, 2018 · US
High speed serializer using quadrature clocks
US-10110334-B2 · Oct 23, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04J3/0691?
- CPC H04J3/0691 is the Cooperative Patent Classification code for “Synchronisation in a TDM node.”
- How many patents are filed under CPC H04J3/0691 (Synchronisation in a TDM node)?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC H04J3/0691 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).