Window antenna
First Claim
Patent Images
1. A vehicle window assembly, comprising:
- a frame having an inner metal edge;
a window pane fixed to the frame, the window pane comprising;
an inner glass ply;
an outer glass ply;
an interlayer between the inner glass ply and the outer glass ply; and
an electro-conductive coating located on a surface of the outer glass ply, wherein the electro-conductive coating has an outer peripheral edge spaced from the inner metal edge of the frame to define an antenna slot, and wherein the electro-conductive coating includes at least one deleted portion adjacent the antenna slot, wherein the deleted portion is sized to tune the antenna slot to a desired resonant frequency; and
an antenna feed structure electrically connected to the outer peripheral edge of the electro-conductive coating.
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Abstract
A vehicle window assembly. The window assembly includes a glass ply and an electro-conductive coating located on a surface of the glass ply. The electro-conductive coating has an outer peripheral edge that is adapted to be spaced from an inner metal edge of a vehicle frame so as to define an antenna slot. The electro-conductive coating includes at least one deleted portion adjacent the outer peripheral edge, wherein the deleted portion is sized to tune the antenna slot to a desired resonant frequency.
50 Citations
26 Claims
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1. A vehicle window assembly, comprising:
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a frame having an inner metal edge; a window pane fixed to the frame, the window pane comprising; an inner glass ply; an outer glass ply; an interlayer between the inner glass ply and the outer glass ply; and an electro-conductive coating located on a surface of the outer glass ply, wherein the electro-conductive coating has an outer peripheral edge spaced from the inner metal edge of the frame to define an antenna slot, and wherein the electro-conductive coating includes at least one deleted portion adjacent the antenna slot, wherein the deleted portion is sized to tune the antenna slot to a desired resonant frequency; and an antenna feed structure electrically connected to the outer peripheral edge of the electro-conductive coating. - View Dependent Claims (2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 14)
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7. The vehicle window assembly as claimed in 1, further comprising a capacitive coupling metal element located on a surface of the inner glass ply and extending substantially parallel with the outer peripheral edge of the electro-conductive coating, wherein the capacitive coupling metal element is for coupling a radio frequency signal into and out of the slot antenna.
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8. The vehicle window assembly as claimed in 1, wherein the antenna feed structure is coupled to the slot antenna so as to excite both fundamental mode and higher-order modes in the VHF and UHF bands.
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15. A vehicle window assembly, comprising:
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a glass ply; and an electro-conductive coating located on a surface of the glass ply, wherein the electro-conductive coating having an outer peripheral edge that is adapted to be spaced from an inner metal edge of a vehicle frame so as to define an antenna slot, and wherein the electro-conductive coating includes at least one deleted portion adjacent the outer peripheral edge, wherein the deleted portion is sized to tune the antenna slot to a desired resonant frequency. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification