Devices, apparatus and method for providing photostimulation and imaging of structures
US-9846313-B2 · Dec 19, 2017 · US
Systems using spatial filters
Systems using spatial filters · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B27/46 |
| Official title | Systems using spatial filters |
| Display label | Systems using spatial filters |
| Total patents | 260 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 26 |
| 2017 | 24 |
| 2018 | 41 |
| 2019 | 31 |
| 2020 | 27 |
| 2021 | 33 |
| 2022 | 21 |
| 2023 | 14 |
| 2024 | 9 |
| 2025 | 16 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
3d refractive index tomography and structured illumination microscopy system using wavefront shaper and method thereof
US-2017357084-A1 · Dec 14, 2017 · US
Seismic lineation mapping method and system
US-2017307774-A1 · Oct 26, 2017 · US
Devices and methods for implementing an optical switching engine
US-2017307955-A1 · Oct 26, 2017 · US
Holographic MEMS operated optical projectors
US-9778477-B2 · Oct 3, 2017 · US
Imaging apparatus, image processing apparatus, imaging system, imaging method, image processing method, and recording medium
US-2017251198-A1 · Aug 31, 2017 · US
Confocal rainbow volume holographic imaging system
US-9715214-B2 · Jul 25, 2017 · US
Filter control device, filter controlling method, and imaging device
US-2017163864-A1 · Jun 8, 2017 · US
System and method for imaging with pinhole arrays
US-2017163961-A1 · Jun 8, 2017 · US
Multi-spot scanning collection optics
US-2017115232-A1 · Apr 27, 2017 · US
Optical low-pass filter and imaging device provided with optical low-pass filter
US-2017097514-A1 · Apr 6, 2017 · US
Super-oscillatory lens device
US-9606415-B2 · Mar 28, 2017 · US
Optical flow sensing and pattern recognition with anti-symmetric phase gratings
US-2017084046-A1 · Mar 23, 2017 · US
Microscope apparatus
US-9599808-B2 · Mar 21, 2017 · US
Optical component and imaging device using same
US-2017045653-A1 · Feb 16, 2017 · US
Light control film formed with a security feature
US-2017028761-A9 · Feb 2, 2017 · US
Multi-spot scanning collection optics
US-9546962-B2 · Jan 17, 2017 · US
Method of designing an imaging system, spatial filter and imaging system including such a spatial filter
US-2016377861-A1 · Dec 29, 2016 · US
Imaging system and method for imaging objects with reduced image blur
US-2016350897-A1 · Dec 1, 2016 · US
Pattern irradiation apparatus having spatial light modulator and light blocking member for blocking 0-order light generated by spatial light modulator
US-9500848-B2 · Nov 22, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B27/46?
- CPC G02B27/46 is the Cooperative Patent Classification code for “Systems using spatial filters.”
- How many patents are filed under CPC G02B27/46 (Systems using spatial filters)?
- Our database includes 260 publications tagged with this CPC code.
- Is patent activity under CPC G02B27/46 growing?
- Publication counts under this code: 9 in 2024 vs 16 in 2025 (latest complete years).