Light filter and spectrometer including the same
US-10928248-B2 · Feb 23, 2021 · US
Physics
Physics · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F2001/213 |
| Official title | — |
| Display label | Physics (mapped technology topic) |
| Total patents | 58 |
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 | 6 |
| 2016 | 6 |
| 2017 | 12 |
| 2018 | 14 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tunable spectral illuminator for camera
US-10931894-B2 · Feb 23, 2021 · US
Fourier-transform interferometer using meta surface
US-10877349-B2 · Dec 29, 2020 · US
Optical module and electronic apparatus
US-2020192178-A1 · Jun 18, 2020 · US
Light detection device
US-10656020-B2 · May 19, 2020 · US
Tunable spectral illuminator for camera
US-2020137324-A1 · Apr 30, 2020 · US
Fourier-transform interferometer using meta surface
US-10627695-B2 · Apr 21, 2020 · US
Fourier-transform interferometer using meta surface
US-2020110323-A1 · Apr 9, 2020 · US
Optical device and electronic apparatus
US-2020103721-A1 · Apr 2, 2020 · US
System for optical linear sampling and coherent detection of an optical signal
US-10594407-B2 · Mar 17, 2020 · US
Electrooptic modulator
US-10571724-B2 · Feb 25, 2020 · US
Interferometric method for measuring a size of particle in the presence of a gap
US-10429287-B2 · Oct 1, 2019 · US
Optical device
US-10317707-B2 · Jun 11, 2019 · US
Fourier-transform interferometer using meta surface
US-2019155124-A1 · May 23, 2019 · US
Electromagnetic waveguide transmission modulation device
US-10288977-B2 · May 14, 2019 · US
Detector remodulator and optoelectronic switch
US-10231038-B2 · Mar 12, 2019 · US
Light detection device
US-2019072431-A1 · Mar 7, 2019 · US
Omniresonant Broadband Coherent Perfect Absorption (CPA) Apparatus, Method, and Applications
US-2019064629-A1 · Feb 28, 2019 · US
Wavelength tunable optical filter, optical module, and electronic apparatus
US-2019064628-A1 · Feb 28, 2019 · US
System for optical linear sampling and coherent detection of an optical signal
US-2019036612-A1 · Jan 31, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F2001/213?
- CPC G02F2001/213 is the Cooperative Patent Classification code for “Physics.”
- How many patents are filed under CPC G02F2001/213 (Physics)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC G02F2001/213 growing?
- Publication counts under this code: 9 in 2020 vs 2 in 2021 (latest complete years).