Active-shutter 3D glasses and operating method thereof
US9494804B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 26, 2012 |
| Grant date | Nov 15, 2016 |
| Priority date | — |
| Expiry date | Jan 28, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2213/008
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An active-shutter 3D glasses and an operating method thereof, the active-shutter 3D glasses comprises: a frame comprising temples; left and right magneto-optical eyeglasses, supported by the frame, and comprising left and right transparent mediums and left and right rear polarizers, respectively; a magnetic field apparatus, located outside the left and right magneto-optical eyeglasses, and providing the left and right magneto-optical eyeglasses with a magnetic field which causes polarization planes of polarized light entering the left and right magneto-optical eyeglasses to rotate; and a signal module, connected with the magnetic field apparatus, and providing a electric-current signal to the magnetic field apparatus so that the magnetic field corresponds to the electric-current signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.