Driving circuits for a piezoelectric microelectromechanical system mirror
US-12497284-B2 · Dec 16, 2025 · US
Angular deflection
Angular deflection · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B81B3/004 |
| Official title | {Angular deflection} |
| Display label | Angular deflection |
| Total patents | 34 |
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 | 1 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microelectromechanical loudspeaker with a large-area force field
US-2025083948-A1 · Mar 13, 2025 · US
Micromechanical device with a mechanical stop
US-2024425356-A1 · Dec 26, 2024 · US
MEMS image forming element with built-in voltage generator
US-12030772-B2 · Jul 9, 2024 · US
Vibrating element
US-11921283-B2 · Mar 5, 2024 · US
Vibrating mirror element and optical scanner
US-11919768-B2 · Mar 5, 2024 · US
Mirror assembly for light steering with reduced finger thickness
US-11815627-B2 · Nov 14, 2023 · US
Mirror assembly for light steering with flexible support structure
US-11796638-B2 · Oct 24, 2023 · US
Force-balanced micromirror with electromagnetic actuation
US-11604347-B2 · Mar 14, 2023 · US
Driving circuits for a piezoelectric microelectromechanical system mirror
US-2022411255-A1 · Dec 29, 2022 · US
Optical module
US-11513339-B2 · Nov 29, 2022 · US
Mirror assembly for light steering with reduced finger thickness
US-2021396850-A1 · Dec 23, 2021 · US
Mirror assembly for light steering with flexible support structure
US-2021396849-A1 · Dec 23, 2021 · US
Vibrating element
US-2021382297-A1 · Dec 9, 2021 · US
Vibrating mirror element and optical scanner
US-2021331911-A1 · Oct 28, 2021 · US
Micromechanical component having an oscillator, a method for the manufacture thereof, and a method for exciting a motion of an adjustable element about a rotational axis
US-11066295-B2 · Jul 20, 2021 · US
Force-balanced micromirror with electromagnetic actuation
US-2021048662-A1 · Feb 18, 2021 · US
Mems image forming element with built-in voltage generator
US-2020317504-A1 · Oct 8, 2020 · US
Optical module
US-2020049975-A1 · Feb 13, 2020 · US
Micromechanical component having an oscillator, a method for the manufacture thereof, and a method for exciting a motion of an adjustable element about a rotational axis
US-2019359478-A1 · Nov 28, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B81B3/004?
- CPC B81B3/004 is the Cooperative Patent Classification code for “Angular deflection.”
- How many patents are filed under CPC B81B3/004 (Angular deflection)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC B81B3/004 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).