System and method for determining the availability of an elevator car for response to hall calls
First Claim
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1. A system for determining the availability of an elevator car, said system comprising:
- an orthogonal array of at least twelve sensors, said orthogonal array being disposed within the elevator car, each sensor of said orthogonal array having a transmitter and a receiver and each sensor outputting a signal indicative of the presence of an object within a section of said elevator car; and
means for receiving and processing said signals from said sensors to determine a cross-sectional area of said elevator car available for oncoming passengers.
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Abstract
A system and method for determining the availability of an elevator car for response to hall calls includes a plurality of infrared sensors disposed to monitor the presence of an object within an elevator car. The cross-sectional area occupied by an object, or objects, within an elevator car is determined by the number of sensors generating output signals based upon reflections of transmitted radiation from such an object. The system monitors the cross-sectional area availability of the elevator car and categorizes the car as to its availability for responding to a hall call.
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Citations
9 Claims
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1. A system for determining the availability of an elevator car, said system comprising:
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an orthogonal array of at least twelve sensors, said orthogonal array being disposed within the elevator car, each sensor of said orthogonal array having a transmitter and a receiver and each sensor outputting a signal indicative of the presence of an object within a section of said elevator car; and means for receiving and processing said signals from said sensors to determine a cross-sectional area of said elevator car available for oncoming passengers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification