Image display system for calibrating a sound projector
US9843762B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 9, 2013 |
| Grant date | Dec 12, 2017 |
| Priority date | — |
| Expiry date | Jun 29, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S7/301
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to an image display system, including a television having a screen, a sound projector, a control unit in signal communication with said screen and said sound projector, said control unit being configured for said sound projector to project one or more audible beams in a room towards one or more target paths. The system includes an optical instrument having a frame and a pair of lenses, detection means and transmission means, said detection means being designed to receive at their input an audio signal having a frequency falling in a 20-20 kHz frequency band and to output a processed signal, said transmission means being designed to receive at their input said processed signal, and to output a calibration signal. The control unit calibrates said sound projector according to said calibration signal generated by said optical instrument.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.