Aspects of the subject disclosure may include, for example, a transmission system having a coupling device, a bypass circuit, a memory and a processor. The coupling device can facilitate transmission or reception of electromagnetic waves that propagate along a surface of a transmission medium. The memory can store instructions, which when executed by the processor, causes the processor to perform operations including restarting a timer to prevent the bypass circuit from disabling the transmission or reception of electromagnetic waves by the coupling device. Other embodiments are disclosed.

An example method of performing an eye-scan in a receiver includes: generating digital samples from an analog signal input to the receiver based on a sampling clock, the sampling clock phase-shifted with respect to a reference clock based on a phase interpolator (PI) code; equalizing the digital samples based on first equalization parameters of a plurality of equalization parameters of the receiver; adapting the plurality of equalization parameters and performing clock recovery based on the digital samples to generate the PI code; and performing a plurality of cycles of locking the plurality of equalization parameters, suspending phase detection in the clock recovery, offsetting the PI code, collecting an output of the receiver, resuming the phase detection in the clock recovery, and unlocking the equalization parameters to perform the eye scan.

A capacitive occupancy or proximity detector includes a heating circuit, an impedance measurement circuit connected to the heating element and a diagnostic circuit configured for determining integrity of the heater element. The heating circuit includes a heating element, a heating current source and a common mode choke having a first and a second winding, the heating element being connectable to the heating current source via the first and second windings. The diagnostic circuit includes at least one controllable switching element coupled across the second winding circuitry for injecting a DC current into a series connection formed by the first winding, the heating element and a parallel connection of the second winding and said at least one controllable switching element; and at least one detection circuit for detecting a voltage variation across the second winding.

A method and system for measuring, determining and/or analyzing the cranking RPM of a vehicle is provided. The system measures the voltage of at least a portion of a vehicle's electrical system to determine high and/or low voltage time periods during at least a portion of a starting or cranking cycle. The time between high and/or low voltage points can then be used, along with the number of cylinders in the vehicle, to determine the cranking RPM of the vehicle. The system may include a load module and a control module that are removably coupled to one another in first and second configurations.

This document describes the fabrication and use of multilayer ceramic substrates, having one or more levels of internal thick film metal conductor patterns, wherein any or all of the metal vias intersecting one or both of the major surface planes of the substrates, extend out of the surface to be used for making flexible, temporary or permanent interconnections, to terminals of an electronic component. Such structures are useful for wafer probing, and for packaging, of the semiconductor devices.

An illumination apparatus includes: a plurality of light emitting modules connected in series; a constant current source; and a fault detection circuit for detecting that the plurality of light emitting modules have at least one thereof with a short circuit fault. The light emitting module includes: an organic EL panel; a threshold value detection circuit configured to output a constant voltage when the organic EL panel between its anode and cathode has a potential difference equal to or larger than a threshold value; and a VI conversion circuit receiving the constant voltage from the threshold value detection circuit, converting the constant voltage into a constant current, and outputting the constant current. The fault detection circuit detects whether the plurality of light emitting modules have a short circuit fault based on a total value of the constant current output from each light emitting module.

Embodiments consistent with the present disclosure provide an electrical circuit and a method for measuring the power and power consumption of an LED lighting device in real time. The circuit includes a controlling unit configured to process data; a display unit configured to display data received from the controlling unit and other components; a power supply and driving unit configured to supply power; an LED light source; and a RF unit configured to send data to remote terminals. The electrical circuit further includes an input power sampling unit, an output voltage sampling unit, and an output current sampling unit, which are configured to capture the real time input voltage, output voltage, and output current data respectively. Further, the controlling unit may determine the power and power consumption of the LED lighting device by using the received real time voltage and current data measurements, and referring to the stored input voltage-efficiency curves.

Embodiments consistent with the present disclosure provide an electrical circuit and a method for measuring the power and power consumption of an LED lighting device in real time. The circuit includes a controlling unit configured to process data; a display unit configured to display data received from the controlling unit and other components; a power supply and driving unit configured to supply power; an LED light source; and a RF unit configured to send data to remote terminals. The electrical circuit further includes an input power sampling unit, an output voltage sampling unit, and an output current sampling unit, which are configured to capture the real time input voltage, output voltage, and output current data respectively. Further, the controlling unit may determine the power and power consumption of the LED lighting device by using the received real time voltage and current data measurements, and referring to the stored input voltage-efficiency curves.

Aspects of the subject disclosure may include, for example, a coupling device includes a circuit that receives a signal. At least one passive electrical circuit element generates an electromagnetic field in response to the signal. A portion of the electromagnetic field is guided by a surface of a transmission medium to propagate as a guided electromagnetic wave longitudinally along the transmission medium. Other embodiments are disclosed.

There is described a test block intended to be implanted in the circuit connecting an apparatus to be tested such as an electricity meter or a protective relay and a power source supplying the apparatus to be tested such as an intensity sensor and/or a voltage sensor, the test block comprising a base including a plurality of inner electric circuits capable of allowing the transmission of information from the power source to the apparatus to be tested and a protective cover intended to be removably assembled with the base in order to form a closed enclosure in which the inner electric circuits are housed. The base and the protective cover are configured such that the removal of the protective cover gives access to a receiving site delimited by the base and capable of receiving, by plugging, a test plug independent of the test block and electrically linked to a test equipment, in particular a voltmeter and/or an ammeter and/or a dummy current source. The base and the protective cover comprise electrically conductive elements linked to each other and configured so as to ensure a continuity and magnetic shielding closure such that the enclosure delimited by the base and the protective cover is a Faraday cage protecting the inner electric circuits relative to the magnetic fields external to the enclosure delimited by the base and the protective cover.