Method and apparatus for coherent spread spectrum optical spectroscopy
US-12492984-B2 · Dec 9, 2025 · US
using temporal intensity variation
using temporal intensity variation · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01B9/02012 |
| Official title | {using temporal intensity variation} |
| Display label | using temporal intensity variation |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 6 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Interferometer system, positioning system, a lithographic apparatus, a jitter determination method, and a device manufacturing method
US-12481226-B2 · Nov 25, 2025 · US
Optical comb measuring apparatus
US-12455235-B2 · Oct 28, 2025 · US
Interferometric displacement measurement apparatus
US-2024310158-A1 · Sep 19, 2024 · US
Optical comb measuring apparatus
US-2024255423-A1 · Aug 1, 2024 · US
Method and apparatus for coherent spread spectrum optical spectroscopy
US-2024125694-A1 · Apr 18, 2024 · US
Light-sheet photonic-force optical coherence elastography
US-11920930-B2 · Mar 5, 2024 · US
An interferometer system, positioning system, a lithographic apparatus, a jitter determination method, and a device manufacturing method
US-2024061351-A1 · Feb 22, 2024 · US
Thickness evaluation method of cell sheet
US-11906301-B2 · Feb 20, 2024 · US
Laser sensor module for self-mixing interferometry
US-11828594-B2 · Nov 28, 2023 · US
Light-sheet photonic-force optical coherence elastography
US-2023072425-A1 · Mar 9, 2023 · US
Height detection apparatus and coating apparatus equipped with the same
US-11402195-B2 · Aug 2, 2022 · US
Height detection apparatus and coating apparatus equipped with the same
US-11326871-B2 · May 10, 2022 · US
Thickness evaluation method of cell sheet
US-2022090909-A1 · Mar 24, 2022 · US
Laser sensor module for self-mixing interferometry
US-2022082369-A1 · Mar 17, 2022 · US
Apparatus, systems and methods for compressive sensing
US-2021404790-A1 · Dec 30, 2021 · US
Apparatus, systems and methods for compressive sensing
US-2021389117-A1 · Dec 16, 2021 · US
Height detection apparatus and coating apparatus equipped with the same
US-2020378748-A1 · Dec 3, 2020 · US
High speed Michelson interferometer microscope
US-10436570-B1 · Oct 8, 2019 · US
Modular interferometric telescope
US-10422625-B1 · Sep 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01B9/02012?
- CPC G01B9/02012 is the Cooperative Patent Classification code for “using temporal intensity variation.”
- How many patents are filed under CPC G01B9/02012 (using temporal intensity variation)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC G01B9/02012 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).