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Wireless occupancy sensing with portable power switching

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Wireless occupancy sensing with portable power switching


A system may include a wireless receiver to receive a wireless signal from an occupancy sensor and at least one power switch to control power to at least one load in response to the wireless signal, where the wireless receiver and power switch are included in a local switching device, and where the local switching device comprises a power pack having a housing, a power supply to convert high-voltage power to a low-voltage source for operating internal circuitry in the power pack, and switch control logic to implement an unoccupied delay time.

Browse recent Leviton Manufacturing Co., Inc. patents - Melville, OR, US
Inventor: Kevin Parsons
USPTO Applicaton #: #20120293013 - Class: 307113 (USPTO) - 11/22/12 - Class 307 


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The Patent Description & Claims data below is from USPTO Patent Application 20120293013, Wireless occupancy sensing with portable power switching.

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RELATED APPLICATION

This application claims priority and is a divisional application of U.S. patent application Ser. No. 12/503,381 titled WIRELESS OCCUPANCY SENSING WITH PORTABLE POWER SWITCHING, filed Jul. 15, 2009, all which is incorporated by reference.

BACKGROUND

Occupancy sensing technologies are used to monitor the presence of human occupants in indoor and outdoor spaces. Occupancy sensing systems conserve energy by automatically turning off lighting and other electrical loads when the space is unoccupied. They may also perform a convenience function by automatically turning on lighting and other loads when an occupant enters a space.

An occupancy sensing system generally includes at least two major components: an occupancy sensor and a switching device. The sensor generally needs to be positioned in a location that is selected to have a clear view of the entire space that is to be monitored for occupants. This type of location, however, is typically not convenient for the switching device. Therefore, occupancy sensor systems generally include control wiring that runs between the occupancy sensor and the switching devices. This additional wiring tends to be expensive and time consuming to install. It may also be a source of system failures that are difficult to diagnose if the wiring is concealed in walls. Moreover, once the wiring is installed, it is difficult to reconfigure the system if there is a change in the type or location of loads that are to be controlled by the occupancy sensor.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 illustrates an embodiment of a wireless occupancy sensing system having a portable switching device according to some of the inventive principles of this patent disclosure.

FIG. 2 illustrates another embodiment of a wireless occupancy sensing system having a portable switching device according to some of the inventive principles of this patent disclosure.

FIG. 3 illustrates an embodiment of a wireless occupancy sensing system having two or more portable switching devices according to some of the inventive principles of this patent disclosure.

FIG. 4 illustrates an example technique for processing a signal from a detector according to some of the inventive principles of this patent disclosure.

FIG. 5 illustrates another example technique for processing a signal from a detector according to some of the inventive principles of this patent disclosure.

FIG. 6 illustrates an embodiment of a wireless occupancy sensor according to some of the inventive principles of this patent disclosure.

FIG. 7 illustrates an embodiment of a portable switching device for use in a wireless occupancy sensing system according to some of the inventive principles of this patent disclosure.

FIG. 8 illustrates an embodiment of a wireless occupancy sensor according to some of the inventive principles of this patent disclosure.

FIG. 9 illustrates an embodiment of a power strip having portable power switching for an occupancy sensing system according to some of the inventive principles of this patent disclosure.

FIG. 10 illustrates an embodiment of a portable power switching device for an occupancy sensing system according to some of the inventive principles of this patent disclosure.

FIG. 11 illustrates an embodiment of a portable power switching device for an occupancy sensing system according to some of the inventive principles of this patent disclosure.

FIG. 12 illustrates an embodiment of an appliance having portable power switching for an occupancy sensing system according to some of the inventive principles of this patent disclosure.

FIG. 13 illustrates an embodiment of a local power switch for a wireless occupancy sensing system according to some of the inventive principles of this patent disclosure.

FIG. 14 illustrates another embodiment of a local power switch for a wireless occupancy sensing system according to some of the inventive principles of this patent disclosure.



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Previous Patent Application:
Switchable capacitor arrays for preventing power interruptions and extending backup power life
Next Patent Application:
Power supply
Industry Class:
Electrical transmission or interconnection systems
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stats Patent Info
Application #
US 20120293013 A1
Publish Date
11/22/2012
Document #
13563209
File Date
07/31/2012
USPTO Class
307113
Other USPTO Classes
307116
International Class
01H47/00
Drawings
8



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