US 7,502,227 B2
Electronic apparatus
Hiroki Uchida, Kawasaki (Japan); Jun Taniguchi, Kawasaki (Japan); Hideshi Tokuhira, Kawasaki (Japan); Minoru Ishinabe, Kawasaki (Japan); Masanobu Ishiduka, Kawasaki (Japan); and Hiroaki Date, Kawasaki (Japan)
Assigned to Fujitsu Limited, Kawasaki (Japan)
Filed on Mar. 22, 2005, as Appl. No. 11/85,483.
Claims priority of application No. 2004-366484 (JP), filed on Dec. 17, 2004.
Prior Publication US 2006/0133032 A1, Jun. 22, 2006
Int. Cl. H05K 7/20 (2006.01)
U.S. Cl. 361—687  [361/681] 4 Claims
OG exemplary drawing
 
1. An electronic apparatus comprising:
a main body portion that generates heat; and
a cover body portion that covers said main body portion,
wherein the heat generated in said main body portion is discharged to the outside with a cooling liquid,
a plurality of heat dissipation portions having flow paths of the cooling liquid are provided in said cover body portion,
a distance between said cover body portion and said heat dissipation portion, and a distance between adjacent said heat dissipation portions are variable;
a control unit that controls the distance between said cover body portion and said heat dissipation portion, and the distance between adjacent said heat dissipation portions; and
a detecting unit that detects an opening of said cover body portion,
wherein when the opening of said cover body portion is detected, said control unit is driven to an on-state.