Title:
ELECTRONIC DEVICE
Document Type and Number:
Japanese Patent JP3815559
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an electronic device capable of improving cooling efficiency inside a casing without blocking cost reduction and compaction.
SOLUTION: The electronic device is provided with a plurality of substrates 21-24 loaded with electronic components; a power source 31 and an extension card 32 to be high load components accompanied by heat generation; and the casing 10 for housing the substrates 21-24, the power source 31 and the extension card 32. Roughly horizontally arranged first substrate 21, third substrate 23 and fifth substrate 25, and a second substrate 22 roughly vertically arranged with a clearance in a horizontal direction from the substrates are equipped, the power source 31 and the extension card 32 are arranged below the clearance in the horizontal direction, and a discharge port 17 is arranged above the clearance in the horizontal direction.
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Inventors:
Yoshihiro Natsume
Yutaka Toyama
Takashi Kato
Naohide Kamiyama
Yutaka Toyama
Takashi Kato
Naohide Kamiyama
Application Number:
JP2002292069A
Publication Date:
August 30, 2006
Filing Date:
October 04, 2002
Export Citation:
Assignee:
Yamaha Corporation
International Classes:
G06F1/20; H05K7/20; H04H60/04; H05K1/14; H05K7/14; H04H7/00; (IPC1-7): H05K7/20; G06F1/20
Domestic Patent References:
JP58051339U | ||||
JP2001177267A | ||||
JP2001217578A | ||||
JP11008485A | ||||
JP62076592A | ||||
JP11330748A | ||||
JP62036595A | ||||
JP61260698A |
Attorney, Agent or Firm:
Eiji Saegusa
Kakehi Yuro
Takeshi Ohara
Hiroji Nakagawa
Yasumitsu Tate
Kenji Saito
Jun Fujii
Hitoshi Seki
Mutsuko Nakano
Kakehi Yuro
Takeshi Ohara
Hiroji Nakagawa
Yasumitsu Tate
Kenji Saito
Jun Fujii
Hitoshi Seki
Mutsuko Nakano