Compact wavelength-selective cross-connect device having multiple input ports and multiple output ports
US-9188831-B2 · Nov 17, 2015 · US
Digital deflection, {i.e. optical switching}(G02F1/33 takes precedence)
Digital deflection, {i.e. optical switching}(G02F1/33 takes precedence) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F1/31 |
| Official title | Digital deflection, {i.e. optical switching}(G02F1/33 takes precedence) |
| Display label | Digital deflection, {i.e. optical switching}(G02F1/33 takes precedence) |
| Total patents | 438 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 93 |
| 2016 | 25 |
| 2017 | 37 |
| 2018 | 34 |
| 2019 | 28 |
| 2020 | 37 |
| 2021 | 33 |
| 2022 | 43 |
| 2023 | 29 |
| 2024 | 44 |
| 2025 | 25 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and system for generating a display
US-9188832-B2 · Nov 17, 2015 · US
Light input/output device
US-2015316725-A1 · Nov 5, 2015 · US
Using a halo to facilitate viewing dark virtual objects in augmented or virtual reality
US-2015319342-A1 · Nov 5, 2015 · US
Modulating light intensity to enable viewing of dark virtual objects
US-2015248786-A1 · Sep 3, 2015 · US
Inducing phase delays in a multicore assembly for augmented or virtual reality
US-2015248010-A1 · Sep 3, 2015 · US
Curved waveguides for augmented or virtual reality
US-2015248158-A1 · Sep 3, 2015 · US
Circular diffractive optical elements for augmented or virtual reality
US-2015248006-A1 · Sep 3, 2015 · US
Delivering virtual images of different portions of the user's pupil for augmented or virtual reality
US-2015248011-A1 · Sep 3, 2015 · US
Controlling diffractive optical elements for augmented or virtual reality
US-2015248046-A1 · Sep 3, 2015 · US
Producing an aggregate wavefront for augmented or virtual reality
US-2015243094-A1 · Aug 27, 2015 · US
Using an array of spatial light modulators for selective attenuation
US-2015243098-A1 · Aug 27, 2015 · US
Selective attenuation of outside light in an augmented or virtual reality device
US-2015243097-A1 · Aug 27, 2015 · US
Using spatial light modulators to selectively attenuate light from an outside environment for augmented or virtual reality
US-2015241703-A1 · Aug 27, 2015 · US
Inducing phase delays to vary an aggregate wavefront for augmented or virtual reality
US-2015241696-A1 · Aug 27, 2015 · US
Using polished microprojectors for augmented or virtual reality
US-2015243090-A1 · Aug 27, 2015 · US
Using a plurality of waveguides coupled with edge reflectors for augmented or virtual reality
US-2015241704-A1 · Aug 27, 2015 · US
Attenuating outside light for augmented or virtual reality
US-2015241700-A1 · Aug 27, 2015 · US
Rendering visual emphasis proximate to virtual objects for augmented or virtual reality
US-2015243102-A1 · Aug 27, 2015 · US
Using a variable focus element coupled to a waveguide to create multiple depth planes
US-2015243088-A1 · Aug 27, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F1/31?
- CPC G02F1/31 is the Cooperative Patent Classification code for “Digital deflection, {i.e. optical switching}(G02F1/33 takes precedence).”
- How many patents are filed under CPC G02F1/31 (Digital deflection, {i.e. optical switching}(G02F1/33 takes precedence))?
- Our database includes 438 publications tagged with this CPC code.
- Is patent activity under CPC G02F1/31 growing?
- Publication counts under this code: 44 in 2024 vs 25 in 2025 (latest complete years).