The present invention provides a method for obtaining information from a utility meter, the method comprising steps of directing emitted radiation on to a rotating element of the utility meter, receiving incident radiation, the incident radiation comprising reflected radiation from a reflective surface of the rotating element, the reflective surface having a marker, determining an instant value of intensity of the incident radiation, determining a reference value from earlier ones of the determined values of the intensity of the incident radiation and detecting passing of the marker, as a function of the reference value and the instant value.

The present invention provides a method for obtaining information from a utility meter, the method comprising steps of directing emitted radiation on to a rotating element of the utility meter, receiving incident radiation, the incident radiation comprising reflected radiation from a reflective surface of the rotating element, the reflective surface having a marker, determining an instant value of intensity of the incident radiation, determining a reference value from earlier ones of the determined values of the intensity of the incident radiation and detecting passing of the marker, as a function of the reference value and the instant value.

The present invention provides a method for obtaining information from a utility meter, the method comprising steps of directing emitted radiation on to a rotating element of the utility meter, receiving incident radiation, the incident radiation comprising reflected radiation from a reflective surface of the rotating element, the reflective surface having a marker, determining an instant value of intensity of the incident radiation, determining a reference value from earlier ones of the determined values of the intensity of the incident radiation and detecting passing of the marker, as a function of the reference value and the instant value.

The present invention provides a method for obtaining information from a utility meter, the method comprising steps of directing emitted radiation on to a rotating element of the utility meter, receiving incident radiation, the incident radiation comprising reflected radiation from a reflective surface of the rotating element, the reflective surface having a marker, determining an instant value of intensity of the incident radiation, determining a reference value from earlier ones of the determined values of the intensity of the incident radiation and detecting passing of the marker, as a function of the reference value and the instant value.

This disclosure relates generally to an energy metering assembly configured to measure current and voltage of a one or more primary conductors, the energy metering assembly comprising a core; a coil having a plurality of turns, the coil being positioned around the core when securing the core to the one or more primary conductors; a voltage sensor, the voltage sensor being configured to sense a voltage of a one or more primary conductors; and a controller coupled to the coil and the voltage sensor, the controller being configured to determine a voltage of the one or more primary conductors, determine a current of the one or more primary conductors, and responsive to determining the voltage and the current, determine the power carried by the one or more primary conductors.

This disclosure relates generally to an energy metering assembly configured to measure current and voltage of a one or more primary conductors, the energy metering assembly comprising a core; a coil having a plurality of turns, the coil being positioned around the core when securing the core to the one or more primary conductors; a voltage sensor, the voltage sensor being configured to sense a voltage of a one or more primary conductors; and a controller coupled to the coil and the voltage sensor, the controller being configured to determine a voltage of the one or more primary conductors, determine a current of the one or more primary conductors, and responsive to determining the voltage and the current, determine the power carried by the one or more primary conductors.

A power measurement system, including a voltage measurement circuit having a resistive network comprising first and second resistors connected in series on a first single substrate, and a feedback amplifier having an input in electrical communication with a point between the first and second resistors, and an output in electrical communication with the second resistor in a feedback configuration to output an attenuated voltage signal, and a transresistance current measurement circuit including a current transformer to transform an input primary current into a secondary current, a plurality of amplifiers configured in a cascading arrangement, and a feedback resistor configured in parallel with the cascaded amplifiers such that the combined gain of the cascaded amplifiers directs substantially all of the secondary current through the feedback resistor, wherein the system is selectively switchable between a voltage measurement mode and a current measurement mode.

Disclosed herein are integrated current sensors and methods for sensing and measuring current consumption of electronic devices. The electronic device can comprise: a plurality of layers within a power delivery network of the device, each tile comprising circuitry for performing one or more functions; a plurality of probes, each probe having a pair of inputs connected to portions of one or more layers having a voltage drop, wherein each probe is configured to convert a respective differential voltage to a representative current passing through the one or more layers; a capacitor that is configured to integrate the respective currents passing through the one or more layers to an integrated voltage; and a converter that is configured to generate a measure of current consumed by the device based on the integrated voltage.

Disclosed herein are integrated current sensors and methods for sensing and measuring current consumption of electronic devices. The electronic device can comprise: a plurality of layers within a power delivery network of the device, each tile comprising circuitry for performing one or more functions; a plurality of probes, each probe having a pair of inputs connected to portions of one or more layers having a voltage drop, wherein each probe is configured to convert a respective differential voltage to a representative current passing through the one or more layers; a capacitor that is configured to integrate the respective currents passing through the one or more layers to an integrated voltage; and a converter that is configured to generate a measure of current consumed by the device based on the integrated voltage.

This disclosure relates generally to an energy metering assembly configured to measure current and voltage of a one or more primary conductors, the energy metering assembly comprising a core; a coil having a plurality of turns, the coil being positioned around the core when securing the core to the one or more primary conductors; a voltage sensor, the voltage sensor being configured to sense a voltage of a one or more primary conductors; and a controller coupled to the coil and the voltage sensor, the controller being configured to determine a voltage of the one or more primary conductors, determine a current of the one or more primary conductors, and responsive to determining the voltage and the current, determine the power carried by the one or more primary conductors.