Gentex Corporation
REARVIEW ASSEMBLY WITH ENHANCED COOLING

Abstract:

A rearview assembly comprises a rearview device; a housing supporting the rearview device; a cavity defined by the housing and the rearview device; a first printed circuit board having a processor and disposed within the cavity; a second printed circuit board in communication with the first printed circuit board and disposed within the cavity; at least one rib having an outer edge and extending from the housing into the cavity; and a channel whose sidewalls are defined by a portion of the housing, the at least one rib, and a portion of the second printed circuit board. An air moving device may draw air through the channel. A seal may be employed to make the sidewalls of the channel generally airtight.