The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 09, 2006
Filed:
Aug. 15, 2002
Applicant:
Takashi Oyamada, Minato-ku, JP;
Inventor:
Takashi Oyamada, Minato-ku, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D 15/00 (2006.01); B27N 5/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A telecommunication device includes a housing formed by gas-assist injection molding and having an inner wall, outer wall and a hollow space formed therebetween and receiving therein gas refrigerant. The hollow space has a plurality of vertical channels wherein the gas refrigerant cools the internal of the housing by natural convection within the vertical channels. A movable wall is disposed in the vertical channel for controlling a pressure rise occurring upon a temperature rise.
Oyamada, Takashi. (2006). Telecommunication device including a housing having improved heat conductivity (U.S. Patent No. 7040383). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7040383
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