Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
2005-12-27
2005-12-27
Thompson, Gregory (Department: 2835)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C361S600000, C361S679090, C361S736000, C361S796000, C361S692000
Reexamination Certificate
active
06980432
ABSTRACT:
There is provided an electronic apparatus that is free of the problems with the prior art and is capable of achieving higher efficiency of cooling the interior of the casing without sacrificing cost reduction and designing compact in size. A casing houses a plurality of circuit boards having electronic parts mounted thereon and at least one high load part that generates heat. The casing has exhaust ports formed therein for heat radiation and exhaust ports for heat radiation. The plurality of circuit boards are comprised of a first circuit board and a second circuit board. The first circuit board is disposed to extend substantially horizontally, and the second circuit board is disposed to extend substantially vertically with a horizontal gap provided between the first circuit board and the second circuit board. The at least one high load part is arranged below the horizontal gap, and the exhaust ports are arranged above the horizontal gap.
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Kato Takashi
Kohyama Naohide
Natsume Yoshihiro
Toyama Yutaka
Morrision & Foerster LLP
Thompson Gregory
Yamaha Corporation
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