Patent application number | Description | Published |
20080273720 | Optimized piezo design for a mechanical-to-acoustical transducer - The present invention relates to an acoustic transducer that coverts a mechanical motion into acoustical energy. The acoustic transducer includes a diaphragm and at least one support on at least a portion of the diaphragm. At least one actuator may then be provided that is operatively coupled to the diaphragm, wherein the diaphragm or the actuator include one or more areas of reduced stiffness relative to other areas on the diaphragm or actuator. In addition, the present invention relates to modifications in actuator design with respect to engagement of the diaphragm and engagement of the actuator with a given support. | 11-06-2008 |
20080298606 | WIRELESS DIGITAL AUDIO PLAYER - The present disclosure relates to a device and method for audio playback, comprising at least two earpieces wherein each of the earpieces include memory configured to store audio content and/or data thereon and a timing device. The two earpieces are configured to asynchronously provide audio playback of the audio content stored in said memory upon or after synchronization and at a rate determined by the timing device to provide acceptably matched audio content. | 12-04-2008 |
20100085894 | Apparatus And Method For Mapping A Wired Network - The present disclosure relates to a device, system and method for generating an electrical wiring diagram of an electrical network containing nodes by determining node locations with respect to other nodes and mapping the nodes. The nodes may include a processor, a sensor and a low voltage power supply and may be configured to supply and detect an electrical signal. A processor may also be provided, which may be configured to identify the node locations in the network relative to other nodes and performing the function of mapping. | 04-08-2010 |
20100090542 | Mapped Nodes In A Wire Network Providing Power/Communication & Load Identification - The present disclosure relates to a node that includes an outlet or switch and a first set of contacts. An appliance may be provided including a second set of contacts configured to engage the first set of contacts to provide power and/or communication to the appliance. The disclosure also relates to a method of providing load identification wherein a node capable of monitoring current may be provided, current may be drawn from an AC power distribution network through the node, current may be modulated by a device associated with the node and an identifiable sequence of incremental current pulses may be created. The modulated current may be measured by the node and a serial number identified. | 04-15-2010 |
20110109301 | Device And Method For Measuring Current And Power In A Plug Or Receptacle - An aspect of the present disclosure relates to an electrical receptacle configured to receive a plug having two or more prongs and capable of being connected to an associated load. The electrical receptacle may include a housing and a housing cover mounted on the housing including apertures for receiving at least one of the prongs. In addition, the receptacle may include at least two electrical contacts for engaging the prongs positioned in the housing, a magnetic current sensor defining an opening, wherein the magnetic current sensor opening is operatively coupled to an opening defined by at least one of the apertures. Wherein when one of the prongs is inserted through one of the apertures, the prong extends to through the magnetic current sensor and engages at least one of said electrical contacts. | 05-12-2011 |
20110182012 | Providing Additional Electrical Functionality To A Node - An aspect of the present disclosure relates to a system, which may include a faceplate and an electrical receptacle or switch. The faceplate may include a panel having a first surface, a second surface, and an opening defined in the panel providing communication between the first and second surfaces. The faceplate may also include an interrupter extending from the first surface of the panel having at least two interrupter contacts thereon and a first electrical circuit operatively coupled to the interrupter contacts. The electrical receptacle or switch may include a housing and a second electrical circuit, wherein the second electrical circuit is in communication with the first electrical circuit when the faceplate is mounted on the electrical receptacle or switch and the interrupter is configured to interrupt the second electrical circuit. | 07-28-2011 |
20110210717 | Apparatus and Methods for Mapping a Wired Network - The present disclosure relates to a system and method for determining the electrical connections of a plurality of nodes. The nodes may include an electrical power distribution system including a plurality of nodes, connected to the power distribution system. At least two of the nodes include node electronics, at least one of the nodes is configured to be operatively coupled to an external power drawing load, and at least one of the nodes upstream from the node configured to be operatively coupled to the external power drawing load is configured to detect power drawn by the external power drawing load. The at least one upstream node is configured to send a node electrical signals using the node electronics indicating that the drawn power was detected. The system is configured to identify the wiring configuration of the plurality of nodes relative to each other based on the node electrical signal. | 09-01-2011 |
20110260709 | Energy Monitoring Device - A device, system and method for monitoring a switchable load operably coupled to a positionable switch. The device including a face plate mountable on the positionable switch, a sensor mounted on the face plate, wherein the sensor is configured to detect the position of the positionable switch and electronics mounted on the face plate and operably coupled to the sensor, wherein the electronics are configured to determine the amount of time the positionable switch has been in a given position. | 10-27-2011 |
20120259450 | Saw Adjustment Mechanism - The present invention relates to a saw including a sawhead pivotably connected to a base. The pivotable connection may define a pivot axis therethrough, wherein the pivot axis may be parallel to the horizontal plane. In addition, the sawhead may rotate around the pivot axis and may be axially displaceable along the pivot axis. | 10-11-2012 |
20140103905 | ENERGY MONITORING DEVICE - A device and method are provided for monitoring voltage and current in a continuous conductor. A current sensor is configured to sense current in the continuous conductor. A voltage sense conductor is provided and a guided path is configured to bring the voltage sense conductor into contact with the continuous conductor at a pre-determined orientation. A communication interface is configured to receive information about a common reference voltage from a source, the source being external to the device. A voltage measuring circuit is configured to estimate voltage between a voltage sensed by the voltage sense conductor and the common reference voltage using the information about a common reference voltage. | 04-17-2014 |