Lens assembly, camera module, and optical device
US-11740429-B2 · Aug 29, 2023 · US
for automatically maintaining a reference alignment, e.g. in self-levelling surveying instruments (surveying instruments per se G01C)
for automatically maintaining a reference alignment, e.g. in self-levelling surveying instruments (surveying instruments per se G01C) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B27/648 |
| Official title | {for automatically maintaining a reference alignment, e.g. in self-levelling surveying instruments (surveying instruments per se G01C)} |
| Display label | for automatically maintaining a reference alignment, e.g. in self-levelling surveying instruments (surveying instruments per se G01C) |
| Total patents | 91 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 10 |
| 2017 | 5 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 12 |
| 2022 | 10 |
| 2023 | 16 |
| 2024 | 11 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Image capturing lens assembly, image capturing unit and electronic device
US-11703665-B2 · Jul 18, 2023 · US
System and method for correcting for atmospheric jitter and high energy laser broadband interference using fast steering mirrors
US-11567341-B2 · Jan 31, 2023 · US
Image stabilizing apparatus and lens barrel having the same
US-2022342229-A1 · Oct 27, 2022 · US
Combiner alignment detector
US-2022316871-A1 · Oct 6, 2022 · US
Apparatus and method for estimating optical image stabilization motion
US-11363199-B2 · Jun 14, 2022 · US
Tiltless optical image stabilization (ois) circuit and ois device
US-2022146852-A1 · May 12, 2022 · US
Driving module
US-2022137319-A1 · May 5, 2022 · US
Image capturing lens assembly, image capturing unit and electronic device
US-2022113497-A1 · Apr 14, 2022 · US
Driving module
US-11256059-B2 · Feb 22, 2022 · US
Cardan joint for inertially stabilizing a payload
US-11243082-B2 · Feb 8, 2022 · US
Roll effect correction for optical sensor
US-2022034934-A1 · Feb 3, 2022 · US
Laser stabilizing system and laser source module
US-2022035152-A1 · Feb 3, 2022 · US
Optical unit with shake correction function
US-2021397019-A1 · Dec 23, 2021 · US
Accessory, image pickup apparatus on which same is mountable, and camera system
US-2021373418-A1 · Dec 2, 2021 · US
Accessory, image pickup apparatus on which same is mountable, and camera system
US-11143939-B2 · Oct 12, 2021 · US
Camera module
US-2021294113-A1 · Sep 23, 2021 · US
Camera, accessory apparatus, communication control method, storage medium, and camera system
US-2021294183-A1 · Sep 23, 2021 · US
Workflow deployment
US-2021232990-A1 · Jul 29, 2021 · US
Camera, accessory apparatus, communication control method, storage medium, and camera system
US-11067874-B2 · Jul 20, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B27/648?
- CPC G02B27/648 is the Cooperative Patent Classification code for “for automatically maintaining a reference alignment, e.g. in self-levelling surveying instruments (surveying instruments per se G01C).”
- How many patents are filed under CPC G02B27/648 (for automatically maintaining a reference alignment, e.g. in self-levelling surveying instruments (surveying instruments per se G01C))?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC G02B27/648 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).