Abstract: An electronic energy consumption meter and system includes means for automatically correcting for overall system signal and voltage errors and offset errors created by circuits in the system to provide a meter requiring no adjustments for the compensation of the various system and circuit errors.

Abstract: A transformer having diagonally disposed high voltage bushings and core assembly provides a transformer of smaller size than other transformers of a given voltage rating, and a transformer capable of being installed adjacent other transformers of the same construction in a minimum amount of space while maintaining a minimum permissible clearance between the bushing conductors of adjacent transformers.

Abstract: A meter terminal unit for use in automatic meter reading systems of the type including a control center for transmitting commands to and receiving measurement data from the terminal unit via a distribution unit serving several terminal units. The terminal unit is selectively responsive to commands generated by the control center to carry out load control operations, encoder meter reading and store operations, or transfer previously stored meter data from the terminal unit to the control center in accordance with functions specified by the various commands.

Abstract: A meter terminal unit for use in automatic meter reading systems of the type including a control center for transmitting commands to and receiving measurement data from the terminal unit via a distribution unit serving several terminal units. The terminal unit is selectively responsive to commands generated by the control center to carry out load control operations, encoder meter reading and store operations, or transfer previously stored meter data from the terminal unit to the control center in accordance with functions specified by the various commands.

Abstract: A time of day demand metering system is disclosed for registering the amount of electrical energy consumed during the one demand interval of maximum electrical energy consumption out of a plurality of demand intervals. Means is provided to engage the register of a time of day meter only during those demand intervals when the amount of electrical energy being consumed is in excess of the one previous demand interval of maximum electrical energy consumption.

Abstract: A self-locking and aligning terminal member for affixing electrical wires to a device such as a coil, comprising a smooth surfaced rod bent approximately 180.degree. upon itself to provide a pair of generally parallel leg sections extending from the bend and with each terminating in an outward projecting flare forming barbs to lock the member within a receiving recess. The parallel leg sections of the terminal member are provided with a laterally bowed section adjacent the bend for receiving the electrical conducting wires adjoined thereby, and an outwardly bowed section adjacent the outward projecting flare forming barbs for positioning the terminal member within a receiving recess.

Abstract: Apparatus and method of compensating for a shift in the phase of the current applied to a current transformer terminated in a low impedance operational amplifier. The operational amplifier phase response is altered to minimize the phase angle between the transformer current and the amplifier output voltage to thus provide an output voltage directly proportional to the transformer current.

Abstract: The disclosed invention consists of a composite mold for consolidating and conforming particulate solids into a compressed, shape-retaining mass. The mold comprises a matched pair of generally half sections, or assemblies thereof, provided with obliquely directed aligning keys whereby one half-section of the mold can recede from adjoining contact with the other in a generally oblique direction to extend the die cavity in two dimensions and thereby freely release the molded product intact, and then return to its initial position adjoining its counterpart half section for the next molding cycle. The mold construction of this invention is of particular utility in the molding of particulate inorganic magnetizable materials in the manufacture of permanent magnets of precise dimensions.

Abstract: A meter cover (housing) mounted mechanism incorporating a combination key operated tamper resistant security lock, externally controllable meter reset actuator and meter access hatch.

Abstract: A positive acting magnetic clutch and brake assembly characterized by including a movable, magnetic member provided with two sets of detents arranged respectively on its opposing outer surfaces. The member is alternately shiftable into either a brake position, in engagement with a braking post mounted to engage one of the sets of detents, or to a drive position in which a reciprocally mounted mechanical dog is engaged with the other set of detents in a non-slip driving coupling between the magnetic member and a clutch assembly. A reciprocal mounting arrangement for the dog enables the magnetic member to be moved into driving contact with the clutch assembly before the dog becomes positively engaged with any of the detents on the magnetic member.

Abstract: In a power system, a time-of-day demand meter of the type having a programmable control circuit for generating a control signal at prescribed intervals to enable a demand logic circuit to control the engagement of a demand register of the meter includes apparatus responsive to the control signal to generate an end of interval signal to disengage the demand register at a specified time as selected by the apparatus to control the length of demand intervals during which the consumption of electrical energy is measured.

Abstract: An automatic gain control circuit and system for using same provides linear attenuation response to input data signals of multiplexed frequencies of high and low signal amplitudes to eliminate frequency intermodulation products generated by the data signals of high amplitude from interfering with the reception of the proper data signals by a tuned receiver communicating with the automatic gain control circuit.

Abstract: An electronic time-of-day metering system is disclosed for measuring electrical power by at least two different mechanical recording devices depending on the time-of-day and time of week in which the electrical power is being consumed. A conventional kilowatt hour meter includes a set of decade gear driven dials which register the kilowatt hours consumed on a continuous basis. At least one other set of decade gear driven dials is provided for registering the consumption of kilowatt hours during preselected peak power usage intervals. A single MOS integrated circuit controls the operation of the alternate set of decade gear driven dials. This circuit utilizes as its time base the 60 Hz line voltage derived from the energy distribution system being metered. A clock circuit generates timing signals for a clock control circuit which includes a circulatory memory which is preprogrammed to contain the times at which one or more alternate sets of dials are to be actuated.

Abstract: A unidirectional drive assembly for a mechanically driven meter register includes a gear shift operated gear ratio mechanism which allows a dial on the meter register to be driven up-scale at a normal rate with the forward direction of rotation of the meter input drive and driven up-scale at a compensated or faster rate with the reverse direction of rotation of the meter input drive. The ratio of the gears of the gear ratio mechanism can easily be changed to provide ratios which compensate for meter drag when the meter is run in the inverted position so that the meter registers correctly when operated in either the upright or inverted position, or to provide ratios which make the meter dial run up-scale at a faster than normal rate when the meter is tampered with to make its input drive operate in the reverse direction of rotation.

Abstract: A meter terminal unit for use in automatic meter reading systems of the type including a control center for transmitting commands to and receiving measurement data from the terminal unit via a distribution unit serving several terminal units. The terminal unit is selectively responsive to commands generated by the control center to carry out load control operations, encoder meter reading and store operations, or transfer previously stored meter data from the terminal unit to the control center in accordance with functions specified by the various commands.

Abstract: A data recording system includes a master tape recorder interconnected to a plurality of slave recorders. Each recorder is adapted to record meter data provided thereto from a meter associated with each recorder. The master recorder includes a timing circuit for effecting the recording of interval marks at periodic intervals on tape of all of the recorders as a time reference for the meter data of each recorder. The timing circuit also includes means for detecting a power outage to the recorders to generate a power outage pulse which effects the writing of a power outage indication by all of the recorders.

Abstract: An automatic meter reading and control system for communicating with remote terminal points includes a central station which selectively communicates with a transponder controller unit at each terminal point via a plurality of distribution units, each serving several transponder controller units. The distribution controller units are responsive to various commands issued by the central station to selectively route the commands to specified transponder controller units to direct the transponder controller units to selectively carry out a load control operation, a meter reading operation or transfer of previously stored meter data from the transponder units to the central station in accordance with functions specified by the various commands.

Abstract: Apparatus for use in a communication system of the type including a plurality of message generating units for simultaneously transmitting messages to a control center. A plurality of receivers are provided for receiving the messages and means for compensating for inherent system message transmission delays to ensure against the loss of data transferred to the control center.

Abstract: A portable programmer is disclosed for programming and testing a multiple rate meter such as an electronic time-of-day meter system. The portable programmer includes a quartz crystal controlled seven-day clock. A time comparator is driven in synchronism with a signal which drives the clock in the time-of-day meter. When the time of the time comparator is equal to that of the programmer's timer, a compare signal is generated to switch the time in the meter to its standard time base. A programmable read-only memory in the portable programmer stores a plurality of different programs, each of which can be selectively read into the time-of-day meter. The output of the programmable read-only memory is read out and compared with the time generated by the time comparator.

Abstract: An electronic kWh meter is disclosed which measures electrical energy consumed in an electrical system. A current transformer generates an analog voltage which is proportional to a current in the electrical system. An operational amplifier has an input resistor connected across the load impedance of the electrical system and has a feedback resistor connected across the input and output of the amplifier. The input resistance of the amplifier is very small compared to the resistance of the input resistor to thereby virtually isolate the operational amplifier from the electrical system. The operational amplifier generates an output signal which is proportional to the voltage across the load impedance in the electrical system. The inphase components of the voltage and current are multiplied to provide a signal which is proportional to the instantaneous power in the system. This signal is converted to a pulse train wherein each pulse represents a quantized amount of energy consumed within the system.