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. 05, 2009
Filed:
Dec. 15, 2004
William John Testin, Indianapolis, IN (US);
Scott Allen Rottler, Avon, IN (US);
William John Testin, Indianapolis, IN (US);
Scott Allen Rottler, Avon, IN (US);
Thomson Licensing, Boulogne-Billancourt, FR;
Abstract
A combination heat sink and electromagnetic interference shield device is provided for a point of distribution card of a television receiver. The combination POD card heat sink and EMI shield device includes a combined thermal transfer and electromagnetic conduction portion that provides thermal and EM coupling or contact between an enclosure of the POD card and the metal control module enclosure of a television. Configured metalwork of the combination heat sink and EMI shield device provides conduction of heat from the POD card to provide the heat sink and short circuiting of developed currents to provide EMI shielding. The combined thermal transfer and EM conduction portion provides a low impedance connection between the POD card and the surrounding module metalwork of the television. This low impedance path provides a short for circulating current in the exposed metalwork that diminishes or essentially eliminates EMI. The present invention allows a POD card to operate at room temperature without the need for a cooling fan through the heat sink metalwork.