A system and method for a branch current monitoring system employing a 2-Phase Wye, a Single-Phase 3-Wire or a Single-Phase 2-Wire wiring configuration that is configured to identify a phase association and a polarity for a branch circuit current sensor using the phase angle between voltage and current. Also, a system and method for verifying phase association and polarity determinations for branch circuit current sensors that utilizes real and reactive power measurements.

Systems and methods detecting cable connectivity in a smart home environment are provided, including controlling, at a controller, an output of a notification when a condition is determined based on at least one signal received by the controller, converting, at a power converter coupled to a power source, power received by the power source for the controller, coupling, at a cable having at least one connector that includes a plurality of pins, the power converter and the controller together, and providing the converted power via a power pin and the at least one signal via an identification pin to the controller, and outputting, at the controller, the notification based on a determination that there is a power outage with the power supply or that the power converter is disconnected from the power source based on a detected output level of the at least one signal.

A motor control apparatus according to one aspect of the present invention is configured to be connected to a motor by a wiring line, and includes: a motor driving unit for driving a motor; a current command unit for commanding supply of current to the motor driving unit; and, a miswiring detecting unit for detecting miswiring of lines connected to motors by acquiring via wiring lines a signal indicating the motor temperature detected by a motor temperature detector provided for the motor, wherein the miswiring detecting unit detects presence or absence of miswiring of the wiring lines, based on the change of the motor temperature when the current command unit commands supply of reactive current to the motor driving unit.

A patch cord, a management system and a management method thereof are provided. The patch cord (10) comprises a connection line portion (11), a first connector (21) arranged at a first end of the connection line portion (11), a second connector (22) arranged at a second end of the connection line portion (11), a first communication unit (31) arranged at near the first connector (21) including a first identifier and a second communication unit (32) arranged near the second connector (22) including a second identifier, wherein the first and second identifiers contain unique identify information for identifying the first connector and the second connector, respectively, and wherein the first identifier is different from the second identifier. The management system and the management method can differentiate connectors at the both ends of the patch cord by self-identification.

A display device and a method of testing the same are disclosed. In one aspect, the display device includes a first substrate including a display area and a non-display area arranged outside the display area. The display device also includes a bending area arranged in the non-display area, first and second signal lines arranged in the non-display area, and a first test pattern arranged between the first and second signal lines.

In accordance with one embodiment, a method for testing a plurality of electronic components is provided, including subdividing the plurality of electronic components into a plurality of first groups and subdividing the plurality of electronic components into a plurality of second groups. The method may further include measuring, for each first group, an electrical parameter of an interconnection of the components of the first group; measuring, for each second group, an electrical parameter of an interconnection of the components of the second group, and determining which electronic components of the plurality of electronic components have a predefined property, on the basis of the result of the measurement of the electrical parameter for the first groups and on the basis of the result of the measurement of the electrical parameter for the second groups.

A device for detecting a connector mounting failure includes a detection unit and a connection member that interconnects the detection unit and a connector device. The connection member includes a connection connector inserted into and seated in the connector device, and a connection line unit that interconnects the connection connector and the detection unit. The connection line unit also delivers a detection value of the connection connector to the detection unit.

An information output apparatus includes: a first switching element joined through a solder part, and forming one arm of a power conversion apparatus; a second switching element connected in series with the first switching element, and forming the other arm of the power conversion apparatus; a smoothing capacitor; a measuring unit configured to measure a temperature of the first switching element to output a measured value; an applying unit configured to apply two or more continuous pulses in a state where a potential difference across the smoothing capacitor is greater than or equal to a predetermined value, the pulses causing the first switching element and the second switching element to simultaneously turn on; an adjusting unit configured to adjust pulse widths of the pulses; and an output unit configured to output information indicating a deterioration of the solder part based on a manner of a change in measured values.

An electronic device includes a housing and an electrical connector disposed along the housing. The electrical connector includes one or a plurality of electrical contacts having at least a portion thereof exposed to an exterior of the housing. An interface circuit is operable with the electrical connector and coupled to one or more electrical contacts of the electrical connector to interact with a complementary connector when connected to the electrical connector. A moisture detection circuit is to detect moisture contacting the electrical connector.

A technique is provided for detecting decoupling of a first connector part, connected to a first device, of an electrical plug connector from a second connector part, connected to a second device, of the electrical plug connector. A corresponding method, a corresponding apparatus, a corresponding electrical plug connector as well as the first connector part and the second connector part of the plug connector, a corresponding device and a computer program product are stated.