Electromagnetic optical shutter with movable permanent magnet and integrated aperture
US12244199B2 · kind B2 · utility
0Cited by
8References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 9, 2022 |
| Grant date | Mar 4, 2025 |
| Priority date | — |
| Expiry date | May 19, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K1/165
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This patent document provides optical shutter devices based on electromagnetically activated shutters using a printed circuit board (“PCB”) structure to provide a coil that generates a magnetic field to move a permanent magnet in and out of an optical aperture integrated as part of the PCB structure to open and close the passage of light through the optical aperture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.