Automotive drive assistance system and method
First Claim
Patent Images
1. In an automobile, a method of detecting an object, comprising:
- providing a substrate having a radius of curvature, wherein the radius of curvature corresponds to a field of view;
at least two radiation elements coupled to the substrate emitting electromagnetic radiation directionally over the field of view, wherein each of the at least two radiation elements corresponds to substantially 1 degree of the field of view;
a lens focusing the electromagnetic radiation emitted from the at least two radiation elements over the field of view;
the electromagnetic radiation reflected from an object;
the lens focusing the electromagnetic radiation reflected from the object back to the at least two radiation elements; and
computing a positional element of the object.
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Abstract
An automotive drive assistance system (100, 200) includes a substrate (215, 221) having a radius of curvature (227, 229), wherein the radius of curvature corresponds to a field of view (226, 228). At least two radiation elements (219, 225) coupled to the substrate, where the at least two radiation elements are coupled to directionally transmit and receive electromagnetic radiation (140, 240) over the field of view. A lens (217, 223) is coupled to focus the electromagnetic radiation transmitted and received from the at least two radiation elements.
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Citations
15 Claims
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1. In an automobile, a method of detecting an object, comprising:
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providing a substrate having a radius of curvature, wherein the radius of curvature corresponds to a field of view; at least two radiation elements coupled to the substrate emitting electromagnetic radiation directionally over the field of view, wherein each of the at least two radiation elements corresponds to substantially 1 degree of the field of view; a lens focusing the electromagnetic radiation emitted from the at least two radiation elements over the field of view; the electromagnetic radiation reflected from an object; the lens focusing the electromagnetic radiation reflected from the object back to the at least two radiation elements; and computing a positional element of the object. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of adaptive cruise control in an automobile, comprising:
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providing a substrate having a radius of curvature, wherein the radius of curvature corresponds to a field of view; at least two radiation elements coupled to the substrate emitting electromagnetic radiation directionally over the field of view, wherein each of the at least two radiation elements corresponds to substantially 1 degree of the field of view; a lens focusing the electromagnetic radiation emitted from the at least two radiation elements over the field of view; the electromagnetic radiation reflected from an object; the lens focusing the electromagnetic radiation reflected from the object back to the at least two radiation elements; and computing a positional element of the object. - View Dependent Claims (9, 10, 11)
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12. A method of collision avoidance in an automobile, comprising:
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providing a substrate having a radius of curvature, wherein the radius of curvature corresponds to a field of view; at least two radiation elements coupled to the substrate emitting electromagnetic radiation directionally over the field of view, wherein each of the at least two radiation elements corresponds to substantially 1 degree of the field of view; a lens focusing the electromagnetic radiation emitted from the at least two radiation elements over the field of view; the electromagnetic radiation reflected from an object; the lens focusing the electromagnetic radiation reflected from the object back to the at least two radiation elements, wherein the lens is multi-lobed so as to create a desired radiation pattern for transmitting and receiving the electromagnetic radiation; and computing a positional element of the object. - View Dependent Claims (13, 14, 15)
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Specification