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US 7,731,373 B2Granted
Window with resistance heating element
AssigneeFord Global Technologies, LLC
InventorsMaria Oskarsson, Jenny Hendenberg, Jan Rapo, Martin Petersson
Life of this patent
Estimating the term…
Abstract
An electrically heated window intended to be fitted with an imaging device which views an object through a viewing area of the window. A resistance heating element comprises at least one electrically conductive wire extending across the viewing area a plurality of times along a plurality of arc-shaped path.
Claims10
An electrically heated window assembly comprising:
- a window having a first side, a second side, and a viewing area for allowing an imaging device disposed adjacent the first side of the window to detect objects therethrough, the viewing area having a first and a second lateral edge and an upper and a lower edge;
- and
- a resistance heating element comprising at least one electrically conductive wire disposed on the window within the viewing area and following a plurality of sequential arc-shaped paths, at least two of the arc-shaped paths being of radii unequal to one another.
Dependencies are inferred from the claim text.