Title:
SOUND-PRODUCING SCREEN AND PROJECTION TELEVISION
Document Type and Number:
WIPO Patent Application WO/2022/062866
Kind Code:
A1
Abstract:
Disclosed in the present application are a sound-producing screen and a projection television. The sound-producing screen comprises: a display function layer and a sound-producing structure layer; the sound-producing structure layer comprises a magnetic layer and a voice coil, and the voice coil is located on the magnetic layer and has an anisotropic magnetic field. The sound-producing screen is provided with a sound-producing structure comprising a magnetic layer and a voice coil on the magnetic layer. By inputting an audio signal into the voice coil, the voice coil can drive the magnetic layer to vibrate under the effect of the magnetic field of the magnetic layer, thus producing sound.
Inventors:
XING ZHE (CN)
XU HONGZHE (CN)
XU HONGZHE (CN)
Application Number:
PCT/CN2021/116102
Publication Date:
March 31, 2022
Filing Date:
September 02, 2021
Export Citation:
Assignee:
HISENSE LASER DISPLAY CO LTD (CN)
International Classes:
H04R9/06; H04N5/64; H04N9/31
Foreign References:
| CN111491242A | 2020-08-04 | |||
| CN210090908U | 2020-02-18 | |||
| CN111586534A | 2020-08-25 | |||
| EP2821844A1 | 2015-01-07 | |||
| CN110366077A | 2019-10-22 | |||
| CN108462917A | 2018-08-28 |
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
Download PDF: