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Uniformly heated conductive panels

  • US 3,302,002 A
  • Filed: 08/11/1966
  • Issued: 01/31/1967
  • Est. Priority Date: 08/11/1966
  • Status: Expired due to Term
First Claim
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1. A CONDUCTIVE PANEL COMPRISING:

  • A PLATE OF ELECTRICALLY NON-CONDUCTIVE MATERIAL;

    A PLURALITY OF DISCRETE SECTIONS OF CONDUCTIVE MATERIAL DISPOSED ON SAID PLATE, EACH OF SAID SECTIONS HAVING FIRST AND SECOND NON-PARALLEL OPPOSING SIDES;

    A FIRST BUS BAR ELECTRICALLY ENGAGING THE FIRST SIDE OF A FIRST OF SAID SECTIONS;

    A SECOND BUS BAR ELECTRICALLY ENGAGING THE FIRST SIDE OF A SECOND OF SAID SECTIONS;

    FIRST BUS BAR MEANS ELECTRICALLY ENGAGING THE SECOND SIDE OF SAID FIRST OF SAID SECTIONS, SAID FIRST BUS BAR MEANS COMPRISING A PLURALITY OF INDIVIDUAL SEGMENTS EACH CORRESPONDING TO A PORTION OF SAID FIRST SECTION EXTENDING BETWEEN SAID FIRST AND SECOND SIDES THEREOF, EACH OF SAID SEGMENTS HAVING A RESISTANCE GRADIENT ALONG THE LENGTH THEREOF AND HAVING ITS HIGHEST RESISTANCE WHERE SAID FIRST AND SECOND SIDES COME CLOSEST TOGETHER;

    SECOND BUS BAR MEANS ELECTRICALLY ENGAGING THE SECOND SIDE OF SAID SECOND OF SAID SECTIONS, SAID SECOND BUS BAR MEANS COMPRISING A PLURALITY OF INDIVIDUAL SEGMENTS EACH CORRESPONDING TO A PORTION OF SAID SECOND SECTION EXTENDING BETWEEN SAID FIRST AND SECOND SIDES THEREOF, EACH OF SAID SEGMENTS HAVING A RESISTANCE GRADIENT ALONG THE LENGTH THEREOF AND HAVING ITS HIGHEST RESISTANCE WHERE SAID FIRST AND SECOND SIDES COME CLOSEST TOGETHER;

    AND A PLURALITY OF ELECTRICAL CONDUCTORS, EACH OF SAID CONDUCTORS ELECTRICALLY CONNECTING A SEGMENT OF SAID FIRST BUS BAR MEANS WITH A SEGMENT OF SAID SECOND BUS BAR MEANS, SAID SEGMENTS BEING SELECTED FOR CONNECTION SO THAT THE TOTAL RESISTANCE OF EACH CIRCUIT COMPRISING A PORTION OF SAID FIRST SECTION, THE SEGMENT OF SAID FIRST BUS BAR MEANS CORRESPONDING THERETO, THE CONDUCTOR CONNECTED TO SAID SEGMENT A PORTION OF SAID SECOND SECTION AND THE CORRESPONDING SEGMENT OF SAID SECOND BUS BAR MEANS IS SUBSTANTIALLY EQUAL TO THE RESISTANCE OF EVERY OTHER SUCH CIRCUIT.

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