High throughput network encryption using CCAP
US-12063398-B2 · Aug 13, 2024 · US
Optical systems
Optical systems · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04H20/69 |
| Official title | Optical systems |
| Display label | Optical systems |
| Total patents | 60 |
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 | 9 |
| 2016 | 9 |
| 2017 | 10 |
| 2018 | 10 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and methods for mapping and demapping digitized signals for optical transmission
US-11750356-B2 · Sep 5, 2023 · US
Digital optical transmitter for digitized narrowcast signals
US-11489711-B2 · Nov 1, 2022 · US
Distributed scheduling in remote PHY
US-11469938-B1 · Oct 11, 2022 · US
System and methods for mapping and demapping digitized signals for optical transmission
US-2022303102-A1 · Sep 22, 2022 · US
System and methods for mapping and demapping digitized signals for optical transmission
US-11362797-B2 · Jun 14, 2022 · US
Digital domain content processing and distribution apparatus and methods
US-11153622-B2 · Oct 19, 2021 · US
On demand linear programming
US-11115723-B1 · Sep 7, 2021 · US
System and method for high speed data communications
US-10985802-B2 · Apr 20, 2021 · US
System and methods for mapping and demapping digitized signals for optical transmission
US-2021028915-A1 · Jan 28, 2021 · US
Digital domain content processing and distribution apparatus and methods
US-2020374578-A1 · Nov 26, 2020 · US
Distribution point unit to exchange communication data between a service provider and subscribers
US-10819456-B2 · Oct 27, 2020 · US
Systems and methods for mapping and demapping digitized signals for optical transmission
US-10805058-B2 · Oct 13, 2020 · US
System and Method for High Speed Data Communications
US-2020195301-A1 · Jun 18, 2020 · US
Digital domain content processing and distribution apparatus and methods
US-10681405-B2 · Jun 9, 2020 · US
System and method for high speed data communications
US-10615847-B2 · Apr 7, 2020 · US
Digital domain content processing and distribution apparatus and methods
US-RE47760-E · Dec 3, 2019 · US
Digital domain content processing and distribution apparatus and methods
US-2019238917-A1 · Aug 1, 2019 · US
Distribution point unit to exchange communication data between a service provider and subscribers
US-2019190632-A1 · Jun 20, 2019 · US
On demand linear programming
US-10299005-B1 · May 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04H20/69?
- CPC H04H20/69 is the Cooperative Patent Classification code for “Optical systems.”
- How many patents are filed under CPC H04H20/69 (Optical systems)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC H04H20/69 growing?
- Publication counts under this code: 1 in 2023 vs 1 in 2024 (latest complete years).