US 12,432,874 B2
Electronics box for in-flight entertainment system
Mark Allen Setele, Ladera Ranch, CA (US); Gary Chen, Rancho Santa Margarita, CA (US); and Yichao Jiang, Irvine, CA (US)
Assigned to Panasonic Avionics Corporation, Irvine, CA (US)
Filed by Panasonic Avionics Corporation, Irvine, CA (US)
Filed on May 12, 2022, as Appl. No. 17/663,192.
Prior Publication US 2023/0371197 A1, Nov. 16, 2023
Int. Cl. H05K 7/20 (2006.01)
CPC H05K 7/20154 (2013.01) [H05K 7/20418 (2013.01); H05K 7/20863 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronics box for an in-flight entertainment system, wherein the electronics box is disposed in a commercial passenger vehicle and is configured to support the in-flight entertainment system that includes a media playback device provided at a passenger seat in the commercial passenger vehicle, the electronics box comprising:
a sealed enclosure including a processor board and a base frame covering the processor board on which electronic components for the in-flight entertainment system are disposed, the electronic components including 1) a memory element storing media contents to be provided to the media playback device and 2) a network transceiver configured to receive and transmit wireless signal and operate to assist wireless communications with the media playback device; and
a cooling structure disposed on the base frame that forms a surface of the sealed enclosure and includes:
a fan disposed on the base frame of the sealed enclosure and configured to introduce air from outside into the cooling structure and create an air passage that is external to the sealed enclosure and extending along the surface of the sealed enclosure;
one or more heat dissipation elements disposed in the air passage and configured to dissipate heat generated by the electronic components; and
a duct cover covering the fan and the one or more heat dissipation elements and having an air inlet through which the air enters into the cooling structure.