ACLARA POWER-LINE SYSTEMS, INC. Patent applications |
Patent application number | Title | Published |
20130279546 | MAINS-SYNCHRONOUS POWER-LINE COMMUNICATIONS SYSTEM AND METHOD - A transmitter transmits an outbound message signal via the power distribution system. The transmitter includes a spreader for spreading the spectrum of the communications signal before transmitting the outbound message signal. A receiver despreads the spectrum of the received digitized signal and digitally demodulates the received despread signal to generate the message. The transmitted signal is orthogonal to a source of interference on the power distribution system. | 10-24-2013 |
20130208830 | SWITCHED-LOAD RESONATING TRANSMITTER FOR PASSBAND POWER LINE COMMUNICATION - A switched-load, resonant transmitter (T | 08-15-2013 |
20130177087 | AGILE SWITCHED-LOAD RESONATING TRANSMITTER FOR PASSBAND POWER LINE COMMUNICATION - An agile switched-load transmitter for a communications system for a power distribution network comprises a resonant transponder (T | 07-11-2013 |
20130121426 | TWACS PULSE INDUCTOR REVERSAL CIRCUIT - A circuit (C | 05-16-2013 |
20130009788 | Utility Electric Meter Web Server - A meter (M) installed by a utility at a customer site to measure the usage of a commodity supplied by the utility to the customer comprises an enclosure (E) in which is installed measuring apparatus (A) for measuring the amount of usage of the commodity by the customer at any one time. A web server (S) provides information obtained from the measuring apparatus and the utility to the customer. A wireless connection (C) between the web server and a customer device (D) allows the information and utility provided information to be displayed to the customer as well as enabling the device to obtain information from the meter so to determine when, and for how long, the device can be most cost efficiently operated. | 01-10-2013 |
20120074780 | LOAD CONTROL APPARATUS WITH PEAK REDUCTION IN AGGREGATE BEHAVIOR - When load control is activated by a local or remote mechanism to control a load, the method and system use a usage profile of the load and one or more of (1) interval start times, (2) ON/OFF or OFF/ON cycling and (3) predefined periods during which load must not be allowed to run (e.g., dead zones) to determine when a particular piece of equipment is allowed to shed or run thereby reducing the probability of occurrence of cyclical and non-cyclical aggregate peaking of usage wherein cyclical peaking is manifested as an artifact of the local load control rules during a load control event. | 03-29-2012 |
20120039400 | DIGITAL TWO WAY AUTOMATIC COMMUNICATION SYSTEM (TWACS) OUTBOUND RECEIVER AND METHOD - A receiver and method for a transponder of a two-way automatic communications system (TWACS) used by an electrical utility in which analog outbound messages are sent from the utility to a consumer and inbound, reply messages are sent from the consumer to the utility. The receiver and method enable a transponder to detect the outbound messages and include A/D conversion and digital processing for demodulating a digitized signal and providing the outbound message. | 02-16-2012 |
20120019397 | WIRELESS BROADBAND COMMUNICATIONS NETWORK FOR A UTILITY - A communications network ( | 01-26-2012 |
20110184671 | TRANSIENT DETECTOR AND FAULT CLASSIFIER FOR A POWER DISTRIBUTION SYSTEM - Detection of fault occurrences within a power distribution system. A transient detector and fault classification system ( | 07-28-2011 |
20100303099 | POINT-TO-POINT COMMUNICATIONS SYSTEMS PARTICULARLY FOR USE IN POWER DISTRIBUTION SYSTEM - A point-to-point communications system ( | 12-02-2010 |
20100244563 | UNDER FREQUENCY/UNDER VOLTAGE DETECTION IN A DEMAND RESPONSE UNIT - A demand response unit (DRU) interposed between a utility's electrical power line (PL) and at least one load (L | 09-30-2010 |
20100214123 | WIRELESS BROADBAND COMMUNICATIONS NETWORK FOR A UTILITY - A communications network ( | 08-26-2010 |
20100070103 | METHOD FOR LOAD CONTROL USING TEMPORAL MEASUREMENTS OF ENERGY FOR INDIVIDUAL PIECES OF EQUIPMENT - A method for load control in an electrical distribution system using energy usage profiles based on temporal measurements. A load control unit ( | 03-18-2010 |
20100054349 | GENERAL METHOD FOR LOW-FREQUENCY DATA TRANSMISSION ON A POWER LINE - A method for producing a set of inbound pulse patterns and detection vectors for lengths longer than 4 cycles in an AC waveform. These are used for generating inbound messages in a two-way automatic communication system (TWACS). The method uses Hadamard matrices adapted to generate a set of detection vectors by permuting rows of a matrix and removing certain columns of the matrix to meet system design requirements. The method can be extended to any length and modified to accommodate multiple pulses per half-cycle to support higher data rates. | 03-04-2010 |