Dual zone bus bar arrangement for heatable vehicle window
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United States of America Patent
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app pub date -
Apr 11, 2001
filing date -
Apr 11, 2001
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Abstract
A bus bar arrangement for a heatable vehicle window. An electroconductive coating is divided into two separate coating portions which represent two different respective heating zones. A single bottom bus bar is common to both heating zones, while a first upper/top bus bar portion is provided for the first heating zone and a different second upper/top bus bar portion is provided for the second heating zone. The two upper/top bus bars are spaced apart and electrically insulated from one another. Conductive bus bar extension portions lead from the respective upper bus bars down to a bottom edge of the window (e.g., vehicle windshield) so that electrical connectors for all three bus bars can be located along or proximate a single edge of the window.
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