Lighting control system and module
Patent 4965492 Issued on October 23, 1990. Estimated Expiration Date: 
November 18, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 18, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 242897 3002099 3051859 3170085 3360650 3599037 Energy-conserving illumination system Lighting apparatus Fluorescent light controller Slow acting photo lamp control InventorAssigneeApplicationNo. 273055 filed on 11/18/1988US Classes:315/156, Radiant energy control of an electric discharge device in the supply circuit of the load device250/205, Controlling light source intensity315/291, CURRENT AND/OR VOLTAGE REGULATION315/297, Automatic regulation315/308Regulator responsive to plural conditionsExaminersPrimary: LaRoche, Eugene R.Assistant: Shingleton, Michael B Attorney, Agent or FirmInternational ClassesH05B 037/02H05B 039/02 G05F 001/00 G01J 001/20 AbstractA micro processor based Lighting Control System and Module is disclosed which controls lighting circuits to operate at reduced power levels to obtain the most efficient lighting level for a given task to obtain conservation of energy and a financial savings. After the control is set by the user for a selected lighting level reduction, a selected power is applied; and, the system, through its micro processor and control circuitry, continuously monitors the power applied, and maintains a desired power level to maintain the lighting level desired. | |
