Closed loop photography
US-12477198-B2 · Nov 18, 2025 · US
Means for varying duration of "open" period of shutter
Means for varying duration of "open" period of shutter · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G03B9/58 |
| Official title | Means for varying duration of "open" period of shutter |
| Display label | Means for varying duration of "open" period of shutter |
| Total patents | 32 |
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 | 2 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Image sensor assembly
US-2024323503-A1 · Sep 26, 2024 · US
Electronic ink based camera privacy shutter
US-11887551-B1 · Jan 30, 2024 · US
Closed loop photography
US-2023403449-A1 · Dec 14, 2023 · US
Shutter control device, shutter unit, imaging apparatus, shutter control method, and shutter control program
US-11743594-B2 · Aug 29, 2023 · US
Shutter control device, shutter unit, imaging apparatus, shutter control method, and shutter control program
US-2022256069-A1 · Aug 11, 2022 · US
Shutter assemblies for electronic devices
US-11143937-B2 · Oct 12, 2021 · US
Blade opening and closing device and imaging apparatus
US-11131900-B2 · Sep 28, 2021 · US
Shutter assemblies for electronic devices
US-2021286234-A1 · Sep 16, 2021 · US
Focal-plane shutter, and imaging device and electronic apparatus comprising focal-plane shutter
US-11061298-B2 · Jul 13, 2021 · US
Infrared imaging system shutter assembly with integrated thermister
US-10996542-B2 · May 4, 2021 · US
Shutter device
US-10928704-B2 · Feb 23, 2021 · US
Electronic equipment that determines rotation direction and rotating amount of rotational operation member
US-10900810-B2 · Jan 26, 2021 · US
Blade opening and closing device and imaging apparatus
US-2020150513-A1 · May 14, 2020 · US
Shutter device
US-2020103727-A1 · Apr 2, 2020 · US
Shutter apparatus and imaging apparatus
US-10539857-B2 · Jan 21, 2020 · US
Focal-plane shutter, and imaging device and electronic apparatus comprising focal-plane shutter
US-2020012173-A1 · Jan 9, 2020 · US
Infrared imaging system shutter assembly with integrated thermister
US-2019339589-A1 · Nov 7, 2019 · US
Blade driving device, imaging device and actuator comprising the blade driving device
US-2019317382-A1 · Oct 17, 2019 · US
Electronic equipment that determines rotation direction and rotating amount of rotational operation member
US-2019072412-A1 · Mar 7, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G03B9/58?
- CPC G03B9/58 is the Cooperative Patent Classification code for “Means for varying duration of "open" period of shutter.”
- How many patents are filed under CPC G03B9/58 (Means for varying duration of "open" period of shutter)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC G03B9/58 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).