Method, device, and system of measuring eye convergence angle
US-12118146-B2 · Oct 15, 2024 · US
using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by the object
using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by the object · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01C3/22 |
| Official title | using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by the object |
| Display label | using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by the object |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Distance measuring device, imaging device, and distance measuring method
US-2024295646-A1 · Sep 5, 2024 · US
Method, device, and system of measuring eye convergence angle
US-2023333648-A1 · Oct 19, 2023 · US
Method, device, and system of measuring eye convergence angle
US-11720170-B2 · Aug 8, 2023 · US
Distance estimation device, distance estimation method and program
US-11454514-B2 · Sep 27, 2022 · US
Estimating distance to an object using a sequence of images recorded by a monocular camera
US-11348266-B2 · May 31, 2022 · US
Projector and projector system
US-2022150454-A1 · May 12, 2022 · US
Projector and projector system
US-11272147-B2 · Mar 8, 2022 · US
Distance estimation device, distance estimation method and program
US-11061129-B2 · Jul 13, 2021 · US
Method, device, and system of measuring eye convergence angle
US-2021199431-A1 · Jul 1, 2021 · US
Passive altimeter system for a platform and method thereof
US-10989797-B2 · Apr 27, 2021 · US
Estimating distance to an object using a sequence of images recorded by a monocular camera
US-2021104058-A1 · Apr 8, 2021 · US
Image positioning method and system thereof
US-10922844-B2 · Feb 16, 2021 · US
Estimating distance to an object using a sequence of images recorded by a monocular camera
US-10872431-B2 · Dec 22, 2020 · US
Wear degree information acquiring device, wear degree information acquiring method, vehicle and program
US-10864825-B2 · Dec 15, 2020 · US
Image positioning method and system thereof
US-2020311979-A1 · Oct 1, 2020 · US
Travelable distance calculation system and travelable distance calculation method for vehicle
US-10500974-B2 · Dec 10, 2019 · US
Projector and projector system
US-2019356888-A1 · Nov 21, 2019 · US
Estimating distance to an object using a sequence of images recorded by a monocular camera
US-2019073783-A1 · Mar 7, 2019 · US
Wear degree information acquiring device, wear degree information acquiring method, vehicle and program
US-2019047440-A1 · Feb 14, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01C3/22?
- CPC G01C3/22 is the Cooperative Patent Classification code for “using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by the object.”
- How many patents are filed under CPC G01C3/22 (using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by the object)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC G01C3/22 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2024 (latest complete years).