Prism module, camera comprising same, and image display device
US11971650B2 · kind B2 · utility
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0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 2019 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Mar 9, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2205/0069
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a prism module, a camera comprising same, and an image display device. A prism module, according to one embodiment of the present invention, comprises: a prism holder having a prism fixed to a first surface thereof; a yoke coupled to a second surface of the prism holder; a driving magnet seated on the yoke; a sensor magnet disposed on the yoke; a hall sensor disposed to be spaced apart from the sensor magnet; and a sensor magnet support member to which the sensor magnet is attached. Thereby, it is possible to precisely detect a magnetic field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.