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| Number | Title | Issue Date |
| 7748375 | Negative pressure conditioning device with low pressure cut-off A pneumatic signal conditioning device may have a first fluid path and a second fluid path. The first fluid path includes a first inlet and a first outlet, and is configured such that the first outlet provides a first conditioned signal representing a pressure at th... | 07/06/2010 |
| 7708442 | Light emitting panels for display devices Devices and assemblies for providing light to a display panel, including methods of attaching such devices and assemblies to a circuit board, are disclosed. An illustrative device can include a light emitting panel including at least one light interface for receivin... | 05/04/2010 |
| 7346467 | Profile based method for deriving a temperature setpoint using a ‘delta’ based on cross-indexing a received price-point level signal A method for adjusting a plurality of controlled subsystems in a building or plant that facilitates cooperative energy usage with a utility provider. By referring to a single profile of adjustments that correspond to changes in the value of a utility signal and dist... | 03/18/2008 |
| 7306165 | Graphical user interface system for a thermal comfort controller A graphical user interface system for a thermal comfort controller. The user interface system has a central processing unit coupled to a memory and a touch sensitive display unit. The memory stores a temperature schedule data structure and perhaps a temperature hist... | 12/11/2007 |
| 7050518 | Data transmission method The invention relates to a method for the asynchronous serial data transmission between a transmitter and a receiver over a radio transmission link, whereby a synchronization data frame and a carrier recognition frame is arranged in front of the useful data frame. T... | 05/23/2006 |
| D520386 | Thermostat housing | 05/09/2006 |
| 6997799 | Damper including a stepper motor A damper unit for an air circulation system. The damper unit includes a frame defining an air flow opening, a damper vane for opening and closing the air flow opening, and a stepper motor for turning the damper vane between the open and closed positions. The stepper... | 02/14/2006 |
| 6975958 | Profile based method for deriving a temperature setpoint using a ‘delta’ based on cross-indexing a received price-point level signal A method for adjusting a plurality of controlled subsystems in a building or plant that facilitates cooperative energy usage with a utility provider. By referring to a single profile of adjustments that correspond to changes in the value of a utility signal and dist... | 12/13/2005 |
| 6940241 | Circuit using current limiting to reduce power consumption of actuator with DC brush motor A drive circuit including a motor for positioning a damper from a rest position to a stalled position and protect the drive mechanism from damage due to increased current to the drive motor when the damper stalls by including a current limiter to prevent the current... | 09/06/2005 |
| 6935943 | Wireless communication for fume hood control A method and apparatus for controlling a fume hood. A containment condition, i.e., a condition that may affect containment of potentially harmful substances in the hood, may be detected, and information regarding the detected condition sent by wireless signal. A fum... | 08/30/2005 |
| 6926079 | Humidity controller Methods and apparatus for controlling a climate control system for an enclosure, including a controller for operating a cooling system and a humidification system. The cooling system is operated to maintain the temperature of the air within the enclosure at a specif... | 08/09/2005 |
