High speed bidirectional test of dual-fiber link
US-2023344514-A1 · Oct 26, 2023 · US
in which light is projected from both sides of the fiber or waveguide end-face
in which light is projected from both sides of the fiber or waveguide end-face · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01M11/39 |
| Official title | {in which light is projected from both sides of the fiber or waveguide end-face} |
| Display label | in which light is projected from both sides of the fiber or waveguide end-face |
| Total patents | 74 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 13 |
| 2022 | 7 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical fiber measurement system, optical fiber measurement method, control arithmetic device, and program
US-2023332980-A1 · Oct 19, 2023 · US
Light intensity distribution measurement method and light intensity distribution measurement device
US-11788928-B2 · Oct 17, 2023 · US
Dual-end loopback-based multi-fiber cable measurement
US-2023304892-A1 · Sep 28, 2023 · US
Electric field distribution fluctuation period measuring method and electric field distribution fluctuation period measuring device
US-2023288466-A1 · Sep 14, 2023 · US
Method and system for determining deformation in a cable
US-11733071-B2 · Aug 22, 2023 · US
Optical fiber test method and optical fiber test device
US-11719599-B2 · Aug 8, 2023 · US
Optical fiber evaluation method and optical fiber evaluation apparatus
US-2023144218-A1 · May 11, 2023 · US
Long-distance optical fiber detecting method, apparatus, device and system, and storage medium
US-2023106273-A1 · Apr 6, 2023 · US
Optical fiber characteristics measurement system
US-2023031203-A1 · Feb 2, 2023 · US
Optical sensing system
US-2022412827-A1 · Dec 29, 2022 · US
Optical fiber test method and optical fiber test device
US-2022381645-A1 · Dec 1, 2022 · US
Light intensity distribution measurement method and light intensity distribution measurement device
US-2022260454-A1 · Aug 18, 2022 · US
Optical time-domain reflectometer device including multiple and bi-directional optical testing for fiber analysis
US-11408801-B2 · Aug 9, 2022 · US
Optical fiber loss measurement device and optical fiber loss measurement method
US-11402295-B2 · Aug 2, 2022 · US
Optical transmission path inspecting system, and optical transmission path inspecting device
US-2022236141-A1 · Jul 28, 2022 · US
Propagation characteristic analysis device and propagation characteristic analysis method
US-11378489-B2 · Jul 5, 2022 · US
Optical fiber characterization measurement systems and methods
US-11201667-B2 · Dec 14, 2021 · US
Optical testing devices and related methods
US-11169051-B2 · Nov 9, 2021 · US
Nonlinearity measuring method and nonlinearity measuring device
US-11156529-B2 · Oct 26, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01M11/39?
- CPC G01M11/39 is the Cooperative Patent Classification code for “in which light is projected from both sides of the fiber or waveguide end-face.”
- How many patents are filed under CPC G01M11/39 (in which light is projected from both sides of the fiber or waveguide end-face)?
- Our database includes 74 publications tagged with this CPC code.
- Is patent activity under CPC G01M11/39 growing?
- Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).