Night Detection of Side-by-Side Parked Vehicles
First Claim
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1. A night-detection device for side-by-side parked vehicles, comprising:
- a parked-vehicle sensor for determining whether a parking space in a parking area is occupied; and
a moving-vehicle sensor for sensing a moving vehicle within a pre-determined range of said parking area;
wherein said parked-vehicle sensor extracts at least a reflection of at least a head-light or at least a portion of a front bumper when said moving-vehicle sensor detects said moving vehicle.
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Abstract
To detect side-by-side parked vehicles at night, the present invention discloses a night-detection device and method. The night-detection device comprises a moving-vehicle sensor and a parked-vehicle sensor. It uses the light beam from a passing-by vehicle to extract at least a reflection of at least a head-light or at least a portion of a front bumper.
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Citations
20 Claims
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1. A night-detection device for side-by-side parked vehicles, comprising:
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a parked-vehicle sensor for determining whether a parking space in a parking area is occupied; and a moving-vehicle sensor for sensing a moving vehicle within a pre-determined range of said parking area; wherein said parked-vehicle sensor extracts at least a reflection of at least a head-light or at least a portion of a front bumper when said moving-vehicle sensor detects said moving vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A night-detection method for side-by-side parked vehicles, comprising the steps of:
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A) sensing a moving vehicle within a pre-determined range of a parking area by a moving-vehicle sensor; B) extracting at least a reflection of at least a head-light or a front bumper by a parked-vehicle sensor when said moving-vehicle sensor detects said moving vehicle; C) processing said reflection to determine whether a parking space in said parking area is occupied. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification