SOUND SCREEN FOR PROJECTOR

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....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KO, Jung Bong, SONG, Kwang Hyun, KIM, Yo Sup
Format:	Patent
Sprache:	eng ; fre ; kor
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PHOTOGRAPHY PHYSICS PUBLIC ADDRESS SYSTEMS
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Beschreibung
Zusammenfassung:	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. La présente invention concerne un écran acoustique pour un projecteur, comprenant : une plaque d'écran modifiée pour augmenter une rugosité de surface d'un côté avant ; une plaque arrière formée sur un côté arrière de la plaque d'écran ; et un dispositif d'excitation formé sur le côté arrière de la plaque arrière pour faire vibrer la plaque arrière. 본 발명은 프로젝터용 사운드 스크린에 관한 것으로, 전면의 표면거칠기가 증가되도록 개질된 스크린플레이트; 상기 스크린플레이트의 후면에 구성되는 백플레이트; 및 상기 백플레이트의 후면에 구성되어 백플레이트를 진동시키는 가진장치;를 포함하는 프로젝터용 사운드 스크린에 관한 것이다.