Miniature antenna for a motor vehicle
First Claim
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1. An antenna system for motor vehicles comprising:
- two antennas, wherein each of said two antennas is disposed on a plane, said planes being substantially parallel and spaced from each other at a predetermined distance,wherein each of said two antennas comprises a curve of conductive material,wherein a geometry of at least a part of said curve comprises a space-filling curve or a grid dimension curve, said curve having a box-counting dimension or grid dimension larger than 1.5,wherein each of said two antennas is an electrically small antenna, andwherein said two antennas are connected to a combiner unit which is adapted to add, in a frequency domain, a signal received from a first antenna of said two antennas to a signal received from a second antenna of said two antennas.
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Abstract
The present invention relates to a miniature antenna for a motor vehicle. The antenna may, for example, be a printed board miniature radio antenna for AM/FM signal reception. The antenna may, for example, be placed in an internal mirror of a motor vehicle or on an exterior surface of the motor vehicle, such as the vehicle'"'"'s roof. The antenna is shaped as a curve of conductive material in which the geometry of at least a part of said curve comprises a space-filling curve or a grid dimension curve.
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Citations
37 Claims
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1. An antenna system for motor vehicles comprising:
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two antennas, wherein each of said two antennas is disposed on a plane, said planes being substantially parallel and spaced from each other at a predetermined distance, wherein each of said two antennas comprises a curve of conductive material, wherein a geometry of at least a part of said curve comprises a space-filling curve or a grid dimension curve, said curve having a box-counting dimension or grid dimension larger than 1.5, wherein each of said two antennas is an electrically small antenna, and wherein said two antennas are connected to a combiner unit which is adapted to add, in a frequency domain, a signal received from a first antenna of said two antennas to a signal received from a second antenna of said two antennas. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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Specification