초록 ▼

Electronic communication device shelf units for packing therein printed circuit boards wherein the shelf units are to be put one upon another in a cabinet, wherein each said shelf unit comprises hollow side plates provided with air inlet openings on their outer faces, and a top plate which is connec

Electronic communication device shelf units for packing therein printed circuit boards wherein the shelf units are to be put one upon another in a cabinet, wherein each said shelf unit comprises hollow side plates provided with air inlet openings on their outer faces, and a top plate which is connected to the side plates and having a V-shaped heat diffusion plate defining thereon an air introduction space; the side plates are provided, on their inner faces, with openings communicating with the air introduction space, such that hot air diffusion for each shelf unit is independent of the other shelf units.

대표청구항 ▼

An electronic communication device shelf unit having means for mounting printed circuit boards therein, wherein the shelf unit has means for mounting itself upon another shelf unit, said shelf unit comprises: hollow side plates which are provided, on their outer faces, with air inlet openings; and a

An electronic communication device shelf unit having means for mounting printed circuit boards therein, wherein the shelf unit has means for mounting itself upon another shelf unit, said shelf unit comprises: hollow side plates which are provided, on their outer faces, with air inlet openings; and a top plate which is connected to the side plates and which has an inclined heat diffusion plate defining thereon an air introduction space; and wherein said side plates are provided, on their inner faces, with openings communicating with the air introduction space.