Combined loop type auto-mobile sensor using loop coil and parking information system the same
First Claim
1. An integral loop type automobile sensing device comprising:
- a body providing an appearance;
two or more differential loop coils having closed curves in the body and arranged in an up-and-down direction to have different distances from a lower structure of a target automobile;
an inductance evaluation unit configured to receive, from the loop coil, electrical variation induced by the automobile to increase automobile sensing sensitivity; and
a communication unit configured to receive an automobile sensing result from the inductance evaluation unit and to transmit the result.
1 Assignment
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Accused Products
Abstract
Provided are a loop type automobile sensing device formed integrally with a small loop coil, which has the automobile sensing sensitivity of a related art loop type automobile sensing device using a large loop coil, so as to greatly facilitate installing and maintaining of the loop type automobile sensing device and to expand the application scope of the loop type automobile sensing device, and a parking information system using the loop type automobile sensing device. In addition, the loop type automobile sensing device integrally formed with the loop coil is provided in plurality as automobile sensors to detect the presence and moving state of an automobile according to a signal from the automobile sensors, to control operations of a plurality of cameras, warning lamps, and display devices installed to a parking lot, and to notify parking information and automobile movement information.
31 Citations
23 Claims
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1. An integral loop type automobile sensing device comprising:
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a body providing an appearance; two or more differential loop coils having closed curves in the body and arranged in an up-and-down direction to have different distances from a lower structure of a target automobile; an inductance evaluation unit configured to receive, from the loop coil, electrical variation induced by the automobile to increase automobile sensing sensitivity; and a communication unit configured to receive an automobile sensing result from the inductance evaluation unit and to transmit the result. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A parking information system using a plurality of integral loop type automobile sensing devices as automobile sensors disposed at a parking lot floor, each including:
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a body providing an appearance; two or more differential loop coils having closed curves in the body and arranged in an up-and-down direction to have different distances from a lower structure of a target automobile; an inductance evaluation unit configured to receive, from the loop coil, electrical variation induced by the automobile to increase automobile sensing sensitivity; and a communication unit configured to receive an automobile sensing result from the inductance evaluation unit to transmit the result, the parking information system comprising a control unit configured to detect parking and moving state of an automobile according to a signal transmitted from the automobile sensors, to control operations of a plurality of cameras, warning lamps, and display devices installed to a parking lot, and to notify parking information and automobile movement information. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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Specification