Patent application number | Description | Published |
20100054314 | INITIALIZATION OF AND MODEM FOR AN OFDM DATA TRANSMISSION - A method and modem are provided for obtaining an optimized efficiency of an Orthogonal Frequency Division Multiplex (OFDM) data transmission, such as for power line communication, for example. The length or duration of a guard interval or cyclic prefix in an OFDM symbol is newly selected at each start-up of a modem while initializing or preparing the OFDM data transmission. The length of the guard interval can be given by the number of samples in a time-discrete representation, and the value of such number of samples that is retained for the subsequent data transmission can be selected from a plurality of pre-determined possibilities based on an evaluation of a channel quality of a communication channel including a physical line to which the modem is connected. Hence, the selected value depends on actual transmission conditions, and the optimization potential offered by a more flexible handling of system parameters is exploited to meet changing conditions on the physical line. | 03-04-2010 |
20140177477 | UTILITY COMMUNICATION METHOD AND SYSTEM - An exemplary method and system of the present disclosure use the Parallel Redundancy Protocol PRP (IEC 62439-3) for traffic duplication and redundant transport of the duplicated traffic in a single packet-switched wide-area communication network including a plurality of nodes interconnected via inter-node links in a meshed topology. The method involves identifying, between a send and receive node, two distinct communication paths with no link or node in common except for the send and receive node, and configuring the send and receive nodes to operate according to the Parallel Redundancy Protocol PRP. At any time during regular operation, and for any critical message to be transmitted from the send to the receive node, two redundant packets can be generated, and each of the redundant packets is sent via one of the two communication paths, resulting in an increased availability of the communication network without incurring the cost of full network duplication. | 06-26-2014 |
Patent application number | Description | Published |
20110225062 | METHOD AND APPARATUS FOR EFFICIENTLY RESPONDING TO ELECTRONIC REQUESTS FOR QUOTE - Embodiments of the components and processes for recording selected Web site data described herein adhere to long-term stability guidelines so as to improve maintainability and viability over time. Additionally, the data recording components can be placed within a software architecture to minimize the number of redundant data recording components. Furthermore, the data recording components can be tailored to specific data recording purposes. Additionally, the data recording components can be designed to take into account system performance issues and minimally impact system performance. Furthermore, the data recording components can be tailored to gather specific data useful for various analytical processes. Additionally, embodiments of the data recording components are relatively easy to implement and able to handle idiosyncrasies and changes of various Web sites in which they are placed. | 09-15-2011 |
20130297441 | COMMERCE SERVER ARCHITECTURE AND METHOD FOR USING SAME - A commerce router is disclosed. The commerce router includes a plurality of commercial transaction databases and an application server module. Each of the databases can contain commercial transaction information related to one of a number of offering types (e.g., categories of products, services and/or the like). An application server module is communicatively coupled to the each one of the databases. The application server module can be configured to receive a request by virtue of being configured to communicate information regarding the request to the database for inclusion in the commercial transaction information and allow review of the request by virtue of being configured to communicate information regarding the request from the database by accessing the commercial transaction information. application server module can be configured to receive a response and allow review of the response. | 11-07-2013 |
20140052561 | METHOD AND APPARATUS FOR EFFICIENTLY RESPONDING TO ELECTRONIC REQUESTS FOR QUOTE - A system and method for efficiently responding to electronic requests for quote (“RFQ”). Through use, a user, such as a merchant, can automatically create and deliver an electronic RFQ response, without need for any interaction by the merchant. The merchant may establish certain criteria in order to allow the system and method to automatically respond to electronic RFQ's received by the merchant. | 02-20-2014 |
Patent application number | Description | Published |
20100250623 | GENERIC EDITOR FOR DATABASES - Facilitating generic database editing to allow for data to be received from a user for entry into a database without requiring the data to conform to schema constraints for the database. A method includes examining a first schema for a first database. The first schema including a first set of constraints specified in the first schema on data to be entered into the first database. The method further includes, based on the examination, constructing a second database corresponding to the first database. The second database is associated with a second schema with a second set of constraints. The second set of constraints is a relaxed version of the first set of constraints specified in the first schema. | 09-30-2010 |
20120151395 | CONFIGURATION OF CUSTOM CONTROLS IN DATA-DRIVEN ENVIRONMENTS - The subject disclosure relates to systems and methods for providing custom controls configuration. In one embodiment, a system comprises a custom controls component configured to receive view information associated with a default view of controls, and receive customized configuration information indicative of a customization of at least one aspect of the controls. The default view of controls is based on data and default configuration information, and the data and the default configuration information are represented via a data-driven programming language. The custom control component is also configured to generate a customized view of the controls based, at least, on the default view of the controls and the customized configuration information. The configuration information comprises metadata, and the customized view of the controls includes a modified view, help text, or a description of a field associated with the controls. | 06-14-2012 |
20130173672 | GENERIC EDITOR FOR DATABASES - Facilitating generic database editing to allow for data to be received from a user for entry into a database without requiring the data to conform to schema constraints for the database. A method includes examining a first schema for a first database. The first schema including a first set of constraints specified in the first schema on data to be entered into the first database. The method further includes, based on the examination, constructing a second database corresponding to the first database. The second database is associated with a second schema with a second set of constraints. The second set of constraints is a relaxed version of the first set of constraints specified in the first schema. | 07-04-2013 |
20140146171 | Surveillance and Security Communications Platform - A surveillance and security communications platform for detecting and responding to potential emergencies is provided. The platform may be utilized to automatically open communications channels via multiple media streams based on predefined settings for detecting a potential emergency situation. The platform may further be utilized to automatically send video and audio streams to an emergency responder upon detecting the potential emergency situation. The platform may further be utilized to detect the potential emergency situation while it is occurring and automatically initiate escalated emergency notifications to multiple parties. The platform may further be utilized to receive computing device sensor data for detecting the potential emergency for a potential victim in a business or home setting and immediately send an emergency notification, which may include a predefined text-to-speech announcement, to emergency responders in order to mitigate the potential emergency. | 05-29-2014 |
20140149572 | MONITORING AND DIAGNOSTICS IN COMPUTER NETWORKS - Various techniques of network monitoring and diagnostics in computer networks are disclosed herein. In one embodiment, a method includes configuring a network session between a first client device and a second client device interconnected to each other by the computer network. The configured network session having one or more encrypted attributes. The method also includes transmitting one or more of the encrypted attributes of the configured network session to a network management system for collecting information from one or more network elements connecting the first client device to the second client device during the network session. | 05-29-2014 |
Patent application number | Description | Published |
20080309243 | FLOURESCENT LAMP WITH INTEGRAL PROXIMITY SENSOR FOR BUILDING ENERGY MANAGEMENT - A fluorescent lamp sensor system is provided. The fluorescent lamp sensor system includes a plurality of bulbs and a plurality of electrodes coupled to the bulbs. A balanced differential circuit measures changes in electric fields produced by the bulbs in front of the electrodes. The balanced differential circuit includes a symmetric current source associated with alternating the surface potential of the bulbs. A current mode detection circuit detects the current associated with the capacitive effects of the balanced differential circuit. A synchronous detection circuit isolates the capacitive effects of the symmetrical current source from stray signals that differ in either frequency or phase. | 12-18-2008 |
20110109306 | NON-INTRUSIVE MONITORING OF POWER AND OTHER PARAMETERS - Methods and apparatus for non-intrusive power monitoring and current measurement in a circuit breaker without modification of the breaker panel or the circuit breaker itself. In one example, an inductive pickup sensor senses current from the breaker face, an inductive link transmits power through a steel breaker panel door, and a passive balanced JFET modulator circuit modulates a carrier signal on the inductive link with information regarding the sensed current. A demodulated breaker current signal is available outside of the breaker panel door. The JFET modulator circuit does not require DC power to modulate the carrier signal with the information regarding the sensed current from the breaker. Such methods and apparatus may be interfaced with a spectral envelope load detection system that can monitor multiple loads from a central location. | 05-12-2011 |
20120223583 | PHOTOVOLTAIC ENERGY EXTRACTION WITH MULTILEVEL OUTPUT DC-DC SWITCHED CAPACITOR CONVERTERS - Switched capacitor multilevel output DC-DC converters can be used as panel integrated modules in a solar maximum power point tracking system. The system can also include a central input current-controlled ripple port inverter. The system can implement per panel MPPT without inter-panel communication, electrolytic capacitors or per panel magnetics. A Marx converter implementation of the switched capacitor module is studied. Average total efficiencies (tracking×conversion) greater than 93% can be achieved for a simulated 510 W, 3 panel, DC-DC system. | 09-06-2012 |
20130141088 | NON-INTRUSIVE MONITORING OF POWER AND OTHER PARAMETERS - Methods and apparatus for non-intrusive power monitoring and current measurement in a circuit breaker without modification of the breaker panel or the circuit breaker itself. In one example, an inductive pickup sensor senses current from the breaker face, an inductive link transmits power through a steel breaker panel door, and a passive balanced JFET modulator circuit modulates a carrier signal on the inductive link with information regarding the sensed current. A demodulated breaker current signal is available outside of the breaker panel door. The JFET modulator circuit does not require DC power to modulate the carrier signal with the information regarding the sensed current from the breaker. Such methods and apparatus may be interfaced with a spectral envelope load detection system that can monitor multiple loads from a central location. | 06-06-2013 |
20140167513 | Systems Approach To Photovoltaic Energy Extraction - Described is a method and apparatus for per-panel photovoltaic energy extraction with integrated converters. Also described are switched-capacitor (SC) converters have been evaluated for many applications because of the possibility for on-chip integration; applications to solar arrays are no exception. Also described is a comprehensive system-level look at solar installations, finding possibilities for optimization at and between all levels of operation in an array. Specifically, novel concepts include new arrangements and options for applying switched-capacitor circuits at 3 levels: for the panel and sub-panel level, as part of the overall control strategy, and for ensuring stable and robust interface to the grid with the possibility of eliminating or reducing the use of electrolytic capacitors. | 06-19-2014 |
20140320125 | NON-INTRUSIVE MONITORING - Methods and apparatus for non-intrusive monitoring by sensing physical parameters such as electric and/or magnetic fields. Such apparatus and techniques may find application in a variety of fields, such as monitoring consumption of electricity, water, etc., in homes or businesses, for example, or industrial process monitoring. | 10-30-2014 |
20140339918 | Enhanced Stacked Switched Capacitor Energy Buffer Circuit - A stacked switched capacitor (SSC) energy buffer circuit includes a switching network and a plurality of energy storage capacitors. The switching network need operate at only a relatively low switching frequency and can take advantage of soft charging of the energy storage capacitors to reduce loss. Thus, efficiency of the SSC energy buffer circuit can be extremely high compared with the efficiency of other energy buffer circuits. Since circuits utilizing the SSC energy buffer architecture need not utilize electrolytic capacitors, circuits utilizing the SSC energy buffer architecture overcome limitations of energy buffers utilizing electrolytic capacitors. Circuits utilizing the SSC energy buffer architecture (without electrolytic capacitors) can achieve an effective energy density characteristic comparable to energy buffers utilizing electrolytic capacitors. The SSC energy buffer architecture exhibits losses that scale with the amount of energy buffered, such that a relatively high efficiency can be achieved across a desired operating range. | 11-20-2014 |
20140355322 | Stacked Switched Capacitor Energy Buffer Circuit - A stacked switched capacitor (SSC) energy buffer circuit includes a switching network and a plurality of energy storage capacitors. The switching network need operate at only a relatively low switching frequency and can take advantage of soft charging of the energy storage capacitors to reduce loss. Thus, efficiency of the SSC energy buffer circuit can be extremely high compared with the efficiency of other energy buffer circuits. Since circuits utilizing the SSC energy buffer architecture need not utilize electrolytic capacitors, circuits utilizing the SSC energy buffer architecture overcome limitations of energy buffers utilizing electrolytic capacitors. Circuits utilizing the SSC energy buffer architecture (without electrolytic capacitors) can achieve an effective energy density characteristic comparable to energy buffers utilizing electrolytic capacitors. The SSC energy buffer architecture exhibits losses that scale with the amount of energy buffered, such that a relatively high efficiency can be achieved across a desired operating range. | 12-04-2014 |