US 12,235,570 B2
Projection apparatus having speaker
Yi-Cheng Hou, Hsin-Chu (TW); Wei-Min Chien, Hsin-Chu (TW); and Tung-Chou Hu, Hsin-Chu (TW)
Assigned to Coretronic Corporation, Hsin-Chu (TW)
Filed by Coretronic Corporation, Hsin-Chu (TW)
Filed on Jun. 20, 2022, as Appl. No. 17/844,051.
Claims priority of application No. 202110709417.5 (CN), filed on Jun. 25, 2021.
Prior Publication US 2022/0413371 A1, Dec. 29, 2022
Int. Cl. G03B 21/16 (2006.01)
CPC G03B 21/16 (2013.01) 16 Claims
OG exemplary drawing
 
1. A projection apparatus comprising: a casing, a projection module, at least one airflow generating unit, and at least one speaker, wherein
the casing has a plurality of air outlets, wherein the casing is a cylinder structure, and the plurality of air outlets are disposed around an axial direction of the casing and surround an inner space of the casing;
the projection module is disposed in the inner space of the casing and configured to project an image beam outside the casing;
the at least one airflow generating unit is disposed in the inner space of the casing and configured to generate airflow; and
the at least one speaker is disposed in the inner space of the casing, wherein the at least one airflow generating unit is located between the projection module and the at least one speaker in the axial direction of the casing, the plurality of air outlets are located between the at least one airflow generating unit and the at least one speaker in a direction parallel to the axial direction of the casing, each of the at least one speaker has at least one flow guiding surface, and each of the at least one flow guiding surface is inclined toward the plurality of air outlets to guide the airflow toward the plurality of air outlets.