Title:
SOUND SCREEN FOR PROJECTOR
Document Type and Number:
WIPO Patent Application WO/2024/034762
Kind Code:
A1
Abstract:
The present invention relates to a sound screen for a projector, comprising: a screen plate modified to increase a surface roughness of a front side; a back plate formed on a rear side of the screen plate; and an excitation device formed on the rear side of the back plate to vibrate the back plate.
Inventors:
KIM YO SUP (KR)
KO JUNG BONG (KR)
SONG KWANG HYUN (KR)
KO JUNG BONG (KR)
SONG KWANG HYUN (KR)
Application Number:
PCT/KR2023/003361
Publication Date:
February 15, 2024
Filing Date:
March 13, 2023
Export Citation:
Assignee:
BLOOMSBURY LAB CO LTD (KR)
International Classes:
G03B21/60; H04R7/04
Foreign References:
| KR20050084875A | 2005-08-29 | |||
| KR960011029A | 1996-04-20 | |||
| JPH05119402A | 1993-05-18 | |||
| JP2001249408A | 2001-09-14 | |||
| US9664994B1 | 2017-05-30 |
Attorney, Agent or Firm:
YOON & YANG(IP)LLC (KR)
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