Variable Transmission Window Constructions
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Abstract
An electrical control system is disclosed for controlling a plurality of variable transmittance windows. The electrical control system of the present invention comprises a master control circuit for supplying control signals representing transmittance levels for the variable transmission windows, and a plurality of window control circuits coupled to each of the master control circuits. Because the window control circuits can sense abnormal load conditions in the variable transmission windows, the system further includes an interface to a security system to inform of a potential intrusion. Each window control circuit controls the transmittance of at least one of the variable transmission windows in response to control signals received from the master control circuit.
198 Citations
21 Claims
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1. (canceled)
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2. An electrical control system configured to control a transmittance of a plurality of variable transmittance windows, said electrical control system comprising:
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a master unit configured to supply control signals that are capable of changing the transmittance of the variable transmission windows; a plurality of window control units coupled to said master unit, each of said window control unit configured to control the transmittance of at least one of the variable transmission windows in response to said control signals received from said master unit; a light sensor coupled to said master unit and configured to input light data as to sensed light, wherein said control signals are based upon said light data; and a temperature sensor coupled to said master unit and configured to input temperature data as to sensed temperature, wherein said control signals are based upon said temperature data. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10)
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11. An electrical control system configured to control a transmittance of a plurality of variable transmittance windows, said electrical control system comprising:
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a master unit configured to supply control signals that are capable of changing the transmittance of the variable transmittance windows; and a plurality of window control units coupled with said master unit, each of the variable transmittance windows configured to control the transmittance of at least one of the variable trasmittance windows in response to a control signal received from said master unit, at least a portion of said plurality of window control units comprising at least one of; a light sensor configured to input light data as to sensed light, wherein said control signals are based upon said light data; and a temperature sensor configured to input temperature data as to sensed temperature, wherein said control signals are based upon said temperature data. - View Dependent Claims (12, 13, 14, 15)
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16. An electrical control system configured to control a transmittance of a plurality of variable transmittance windows, said electrical control system comprising:
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a master unit configured to supply a control signal for changing the transmittance of the variable transmittance window; and a plurality of window control units coupled with said master unit, wherein each of the variable transmittance windows configured to control the transmittance of at least one of the variable trasmittance windows in response to a control signal received from said master unit, and each of said plurality of window control units are assigned a unique address, such that said master unit is configured to individually control each of said window control units that are assigned said unique address. - View Dependent Claims (17, 18, 19, 20, 21)
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Specification