The present invention relates to wired communication systems, and more specifically to initialization and/or update of communication parameters used for communication through the wired communication systems.

In accordance with an embodiment of the invention, an access node comprises at least one processor and memory storing instructions that when executed by the at least one processor cause a local transceiver of the access node to transmit signaling data via a subscriber line to a remote transceiver, the signaling data identifying particular symbol positions within a sequence of symbols transmitted over the subscriber line during show-time as being suitable for characterizing a direct communication channel between the local transceiver and the remote transceiver.

The present invention also relates to a subscriber device, and to a method for initializing or updating communication parameters within a wired communication system.

A method for communicating data between a vehicle and a ground system comprises receiving, by a vehicle bus multiplexer on the vehicle, the data via a plurality of vehicle data buses from an onboard system. The method further comprises multiplexing, by the vehicle bus multiplexer, the data into at least one data path of a multi-use power interface. Also, the method comprises transmitting, by the multi-use power interface via at least one data path, the data from the vehicle bus multiplexer to a ground bus multiplexer associated with the ground system. In addition, the method comprises demultiplexing, by the ground bus multiplexer, the data from at least one data path of the multi-use power interface into a plurality of ground data buses associated with the ground system. Further, the method comprises transmitting, by the ground bus multiplexer, the data via the plurality of ground data buses to the ground system.

A secondary power distribution box (SPDB), solid state power controller (SSPC) line replacement module or printed board assembly (LRM/PBA), integrated power distribution and avionics system, and method of power distribution are disclosed. For example, the method includes receiving electrical power from a power source at a power feeder network, communicating with at least one load of a plurality of loads at least in part over the power feeder network, and coupling the electrical power to the at least one load of the plurality of loads in response to the communicating.

A signal generator includes a data source, a power source, and a modulator. The modulator is configured to modulate a power signal from the power source with a data signal from the data source to generate a modulated power signal. Data values of the data signal correspond to variations in a voltage level of the modulated power signal over time. The modulator is coupled to output the modulated data signal to a one-wire interface.

A PLC network system and method operative with OFDM for generating MIMO frames with suitable preamble portions configured to provide backward compatibility with legacy PLC devices and facilitate different receiver tasks such as frame detection and symbol timing, channel estimation and automatic gain control (AGC), including robust preamble detection in the presence of impulsive noise and frequency-selective channels of the PLC network. A PLC device may include a delayed correlation detector and a cross-correlation detector operating in concert to facilitate preamble detection in one implementation.

An electrical receptacle including an outlet and an electronic process. The outlet is configured to receive an electrical device. The electronic processor is configured to output a signal when the outlet receives the electrical device. Wherein the signal is received by a notification control unit, the notification control unit configured to determine an availability of the electrical outlet based on the signal, and output information corresponding to the availability of the electrical receptacle, wherein the information is included in a map accessed by at least one selected from a group consisting of a computer, a smart phone, and a tablet.

A server system includes a common power bus, a power supply to provide direct current (DC) power through the common power bus, at least one node including a processor to receive the DC power through the common power bus, a transmitter capacitive coupled to the common power bus to transmit a power information signal from the power supply through the common power bus, and at least one receiver capacitive coupled to the common power bus to receive the power information signal transmitted by the transmitter and to provide the received power information signal to the at least one node. A plurality of buffers respectively coupled between the common power bus and each of the power supply and the at least one node provide path separation for high frequency and low frequency currents.

Induction heating accessories are disclosed. An example induction heating accessory comprises: a coupling circuit configured to be electromagnetically coupled to a cable carrying induction heating current; a power extraction circuit configured to extract power from the induction heating current via the coupling circuit; and circuitry configured to generate an output indicative of the induction heating current flowing through the cable based on receiving power via the induction coil.

Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for modular electrical grid communications platform. In some implementations, a devices includes a housing that forms an interior space, and that includes an exterior surface, one or more pass-through regions that each define a through-hole between the interior space and the exterior surface, and a recess at the exterior surface that is capable of receiving a module. The device includes a printed circuit board disposed within the interior space of the housing. The devices includes a module that has at least one sensor and that is placed in the recess. The device includes electrical connections that each have a first end connected to the printed circuit board, and a second end that directly or indirectly contacts a corresponding component of the module.

Provided is a zero crossing point signal output method, including: continuously receiving zero crossing point square wave signals, and periodically sampling zero crossing point square wave signals at a predetermined sampling frequency; acquiring sampling numbers of 1.sup.st to M.sup.th zero crossing point square wave signals to obtain an average sampling number S, and calculating a first zero crossing point interval T1; setting a zero crossing point signal output interval as the first zero crossing point interval T1; continuously outputting zero crossing point signals with an interval being the zero crossing point signal output interval; obtaining sampling numbers of M+1.sup.th to M+N.sup.th zero crossing point square wave signals, calculating a difference value between each of the sampling numbers and S, and obtaining an accumulated difference value s through calculation; when s is not within a predetermined change range, obtaining a second zero crossing point interval T2 and setting the zero crossing point signal output interval as T2; and when s is within the predetermined change range, keeping the zero crossing point signal output interval unchanged.