Multibeam radar sensor with a fixing device for a polyrod
First Claim
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1. A multibeam radar sensor, comprising:
- a microwave conductor structure;
at least one polyrod situated over suitable points of the microwave conductor structure in order to achieve a pre-focusing of microwaves; and
a holder for fixing the at least one polyrod, the holder including;
at least one resilient region, and a spacing element through which the holder fixes a spacing of the at least one polyrod from the microwave conductor structure.
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Abstract
A multibeam radar sensor is proposed in which a holder (of resilient construction) for polyrods, in connection with a spacing element, holds the polyrods fixedly at a predetermined spacing, preferably in the range between 0 mm and 0.2 mm. The stays of the holder are fashioned such that a spring force constantly presses the spacing element against the base plate. In this context, the spring force is chosen such that the maintenance of the predetermined spacing a is ensured even under disadvantageous operating conditions such as vibration, shock, and impact.
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Citations
10 Claims
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1. A multibeam radar sensor, comprising:
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a microwave conductor structure;
at least one polyrod situated over suitable points of the microwave conductor structure in order to achieve a pre-focusing of microwaves; and
a holder for fixing the at least one polyrod, the holder including;
at least one resilient region, and a spacing element through which the holder fixes a spacing of the at least one polyrod from the microwave conductor structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
the holder includes an opening in order to achieve a fixing reception of the at least one polyrod.
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3. The radar sensor according to claim 1, wherein:
the spacing element is situated on an inside of the holder.
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4. The radar sensor according to claim 3, wherein:
the spacing element is arranged as a fixed part of the holder.
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5. The radar sensor according to claim 1, wherein:
the holder includes an additional spacing element arranged thereon.
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6. The radar sensor according to claim 1, wherein:
the holder is arranged with a predetermined spring force.
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7. The radar sensor according to claim 6, wherein:
the spring force is such that the at least one polyrod does not alter a predetermined spacing under stress from one of a shock, an impact, and a vibration.
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8. The radar sensor according to claim 1, wherein:
the holder fixes the spacing of the at least one polyrod from the microwave conductor structure in a range between 0 mm and 0.2 mm.
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9. A spacing element for a radar sensor, comprising:
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a structure including an essentially non-elastic structure, wherein;
the structure is fixedly situated on an underside of a holder having at least one resilient region.
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10. A spacing element for a radar sensor, comprising:
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a structure including an essentially non-elastic structure, wherein;
the structure is fixedly situated on an underside of a holder, and wherein the spacing element fixes a spacing between at least one polyrod and a microwave conductor structure.
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Specification