Sensor device having an integral anamorphic lens
First Claim
Patent Images
1. A sensor device comprising:
- a support structure;
a sensing element mounted on said support structure for sensing optical radiation and generating an electrical output signal in response thereto; and
an encapsulant encapsulating said sensing element on said support structure, said encapsulant including an integral anamorphic lens.
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Abstract
The inventive sensor device provides different fields of view in transverse directions. The sensor device include a support structure, a sensing element mounted on the support substrate for sensing optical radiation and generating an electrical output signal in response thereto, and an encapsulant encapsulating the sensing element on the support structure. The encapsulant includes an integral anamorphic lens. Alternatively or additionally, the encapsulant may have at least a first zone and a second zone, where the second zone exhibits at least one different characteristic from the first zone, such as a different optical, physical, thermal, or compositional characteristic.
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Citations
66 Claims
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1. A sensor device comprising:
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a support structure;
a sensing element mounted on said support structure for sensing optical radiation and generating an electrical output signal in response thereto; and
an encapsulant encapsulating said sensing element on said support structure, said encapsulant including an integral anamorphic lens. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
a light transducer exposed to light, the light transducer operative to accumulate charge in proportion to light incident over an integration period; and
a sensor logic circuit in communication with the exposed light transducer, the sensor logic circuit operative to output a discrete light signal according to the accumulated exposed light transducer charge.
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13. The sensor device of claim 12, wherein said integration period is variable in response to a received integration signal.
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14. The sensor device of claim 12, wherein the integration period is of a length of time that is predetermined prior to accumulation of charge during the integration period.
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15. The sensor device of claim 1, wherein said encapsulant has at least a first zone and a second zone, the second zone exhibiting at least one different characteristic from the first zone.
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16. The sensor device of claim 1, wherein said sensing element has an active sensing area less than 1 mm2.
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17. A sensor device comprising:
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a support structure;
a sensing element mounted on said support structure for sensing optical radiation and generating an electrical signal in response thereto; and
an encapsulant encapsulating said sensing element on said support structure, said encapsulant including a surface difining an integral anamorphic lens for directing incident optical radiation towards said sensing element, said integral lens presenting different fields of view to said sensing element for transverse directions. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25)
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26. A vehicle accessory for mounting in a vehicle, said vehicle accessory comprising:
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a sensor device comprising;
a support structure;
a sensing element mounted on said support structure for sensing optical radiation and generating an electrical output in response thereto; and
an encapsulant encapsulating said sensing element on said support structure, said encapsulant including a surface difining an integral anamorphic lens. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
a support structure;
a sensing element mounted on the support structure for sensing optical radiation and generating an electrical output in response thereto; and
an encapsulant encapsulating said sensing element on said support structure, said encapsulant including an integral anamorphic lens.
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34. The vehicle accessory of claim 29, wherein said processing circuit is further configured to generate light control signals to control at least one vehicle light in response to light levels sensed by said sensing element.
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35. The vehicle accessory of claim 27 and further comprising a processing circuit coupled to said sensor device for generating light control signals to control at least one vehicle light in response to light levels sensed by said sensing element.
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36. The vehicle accessory of claim 26 and further comprising a processing circuit coupled to said sensor device for generating light control signals to control at least one vehicle light in response to light levels sensed by said sensing element.
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37. The vehicle accessory of claim 26, wherein said at least one vehicle light includes vehicle headlamps and said processing circuit controls the on/off state of the vehicle headlamps.
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38. The vehicle accessory of claim 36, wherein said at least one vehicle light includes interior display lights.
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39. The vehicle accessory of claim 26 and further comprising a processing circuit coupled to said sensor device for generating windshield wiper control signals to control windshield wipers of the vehicle in response to light levels sensed by said sensing element.
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40. The vehicle accessory of claim 26 and further comprising a processing circuit coupled to said sensor device for generating climate control signals to control a climate control system of the vehicle in response to light levels sensed by said sensing element.
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41. The vehicle accessory of claim 40, wherein said sensor device is positioned to sense sun loading on the vehicle.
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42. The vehicle accessory of claim 26, wherein said sensing element has an active sensing area of less than 1 mm2.
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43. A sensor device comprising:
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a support structure;
a sensing element mounted on said support structure for sensing optical radiation and generating an electrical output in response thereto; and
an encapsulant encapsulating said sensing element on said support structure, said encapsulant including a surface defining an integral anamorphic lens for directing incident optical radiation toward said sensing element, wherein said sensing element has an active sensing area of less than 1 mm2. - View Dependent Claims (44, 45)
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46. A sensor device comprising:
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a support structure;
a sensing element mounted on said support structure for sensing optical radiation and generating an electrical output in response thereto; and
an integral encapsulant configured to encapsulate said sensing element on said support structure, said encapsulant having at least a first zone and a second zone, the second zone exhibiting at least one different characteristic from the first zone, wherein said encapsulant includes a surface defining an integral anamorphic lens for directing incident optical radiation toward said sensing element. - View Dependent Claims (47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66)
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Specification