METHOD AND DEVICE FOR DETERMINING AN OPTICAL CLARITY THROUGH A CAR WINDOW
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Accused Products
Abstract
A method for determining a clarity of a window of a vehicle has a step of evaluating an information item of at least one light beam furnished with a predetermined polarization in order to determine the clarity of the window.
17 Citations
20 Claims
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1-10. -10. (canceled)
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11. A method for determining a clarity of a window of a vehicle, comprising:
evaluating an information item of at least one light beam provided with a predetermined polarization in order to determine the clarity of the window.
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12. A method for emitting at least one light beam configured for determining a clarity of a window of a vehicle, comprising:
directing onto the window the at least one light beam, wherein the at least one light beam is provided with a predetermined polarization. - View Dependent Claims (13, 14)
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15. A method for receiving at least one light beam configured for determining a clarity of a window of a vehicle, comprising:
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polarizing, using at least one polarizer, a light beam which represents a light beam deriving from the window, in order to generate at least one light beam provided with a predetermined polarization; and sensing, using a detector, the at least one light beam provided with the predetermined polarization. - View Dependent Claims (16, 17)
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18. A method for identifying a clarity of a window of a vehicle, comprising:
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generating, using at least one polarized light source, at least one light beam provided with a predetermined polarization; directing onto the window the at least one light beam provided with the predetermined polarization; sensing, using a detector, the at least one light beam provided with the predetermined polarization; and evaluating an information item of the at least one light beam provided with the predetermined polarization in order to determine the clarity of the window.
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19. An apparatus for determining a clarity of a window of a vehicle, comprising:
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at least one polarized light source configured to (i) generate at least one light beam provided with a predetermined polarization, and (ii) direct onto the window the at least one light beam provided with the predetermined polarization; a detector configured to sense the at least one light beam provided with the predetermined polarization; and an evaluator configured to evaluate an information item of the at least one light beam provided with the predetermined polarization in order to determine the clarity of the window.
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20. A non-transitory computer-readable data storage medium storing a computer program having program codes which, when executed on a computer, performs a method for identifying a clarity of a window of a vehicle, the method comprising:
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generating, using at least one polarized light source, at least one light beam provided with a predetermined polarization; directing onto the window the at least one light beam provided with the predetermined polarization; sensing, using a detector, the at least one light beam provided with the predetermined polarization; and evaluating an information item of the at least one light beam provided with the predetermined polarization in order to determine the clarity of the window.
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Specification