Illumination system, associated use, observation system and method for creating an illumination field
US-12529881-B2 · Jan 20, 2026 · US
Binocular arrangements
Binocular arrangements · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B21/20 |
| Official title | Binocular arrangements |
| Display label | Binocular arrangements |
| Total patents | 34 |
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 | 2 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Auto focus system having a splitter
US-2026009993-A1 · Jan 8, 2026 · US
Total magnification calculation of digital microscope having digital binoculars and interchangeable eyepieces
US-2025306351-A1 · Oct 2, 2025 · US
Binocular assembly for use with a microscope
US-2025244569-A1 · Jul 31, 2025 · US
Low-Costs Surgical Microscope
US-2025177083-A1 · Jun 5, 2025 · US
Illumination system, associated use, observation system and method for creating an illumination field
US-2024345378-A1 · Oct 17, 2024 · US
Partial polarization beamsplitter for an optical system
US-2024329417-A1 · Oct 3, 2024 · US
Zoom optical system, optical apparatus and method for manufacturing the zoom optical system
US-2024201475-A1 · Jun 20, 2024 · US
Observation device
US-11815672-B2 · Nov 14, 2023 · US
Binocular system for entering commands
US-11307658-B2 · Apr 19, 2022 · US
Method for operating a medical-optical display system
US-10989911-B2 · Apr 27, 2021 · US
Binocular system for entering commands
US-2021072826-A1 · Mar 11, 2021 · US
Observation device
US-2021011270-A1 · Jan 14, 2021 · US
Combined near infrared imaging and visible imaging in a compact microscope stack
US-10888458-B2 · Jan 12, 2021 · US
Binocular system for entering commands
US-10871824-B2 · Dec 22, 2020 · US
Method and system for focus adjustment of a multi-beam scanning electron microscopy system
US-10861671-B2 · Dec 8, 2020 · US
Surgical image pickup system
US-10786326-B1 · Sep 29, 2020 · US
Binocular system for entering commands
US-2019391642-A1 · Dec 26, 2019 · US
Parallel beam flexure mechanism for interpupillary distance adjustment
US-10394033-B2 · Aug 27, 2019 · US
Imaging assemblies with rapid sample auto-focusing
US-10330906-B2 · Jun 25, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B21/20?
- CPC G02B21/20 is the Cooperative Patent Classification code for “Binocular arrangements.”
- How many patents are filed under CPC G02B21/20 (Binocular arrangements)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC G02B21/20 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).