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Patent Searching and Data


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.


Inventors:
Yoshihiro Natsume
Yutaka Toyama
Takashi Kato
Naohide Kamiyama
Application Number:
JP2002292069A
Publication Date:
August 30, 2006
Filing Date:
October 04, 2002
Export Citation:
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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