Matches 251 - 300 out of 301 < 1 2 3 4 5 6 7 >
Match Document Document Title
5530362 Method and system for determining exams remaining in battery powered mobile x-ray devices  
A mobile x-ray unit operates from a rechargeable battery in a number of different modes which draw current from the battery. The present invention determines the number of patient exams remaining...
5521832 Method for checking an output stage and an electrical load triggered by the output stage for the presence of a fault  
An intelligent output stage having a downstream electrical load is checked by a brief change in the trigger voltage from time to time and the status signal on a monitoring line is monitored in two...
5514946 Battery pack including static memory and a timer for charge management  
A battery pack for a computer system including static memory to maintain battery operating parameters and charge information, a real time clock (RTC) for measuring periods of non-use of the battery...
5487002 Energy management system for vehicles having limited energy storage  
The energy management control system employs sensors for monitoring of energy consumption by various vehicle systems and provides energy consumption prediction for range calculation based on...
5477446 Method of and apparatus for inspecting a workpiece  
In a method of and apparatus for inspecting a workpiece, a measuring unit measures basic data for producing an inspection program from each of the workpieces to be inspected, based on measuring...
5459671 Programmable battery controller  
A programmable battery controller is provided for controlling and monitoring charge level, temperature, discharge and recharge of a rechargeable battery. The controller utilizes a host system...
5450003 Power-supply control system for a portable data processor and method for driving the same  
The present invention discloses a power supply system for a portable data processor and a method for controlling the system. The power supply system includes a main DC/DC converter and an auxiliary...
5442794 Disable technique employed during low battery conditions within a portable computer system  
A computer system is provided that employs a disable technique which warns the user of a low battery condition when the user attempts to power-on the computer, and which prevents power from being...
5422822 Apparatus for detecting remanent stored energy in storage battery and apparatus for warning of reduction in remanent stored energy in storage battery  
A reference amount of consumed energy of a storage battery on an electric-powered vehicle is calculated by adding values of a discharging current of the storage battery which are detected at...
5404106 Battery capacity estimating system and method  
A remaining capacity estimating system and method for an automobile battery capable of estimating and displaying an accurate remaining battery capacity by calculating an internal resistance value...
5403093 DT/Dt detector for cell pack charge determination  
A technique for detecting when a full charge for a cell pack is reached based upon sensing an actual temperature of the cell pack. The initial actual temperature is the first value stored as a...
5390130 Camera battery checking apparatus  
A CPU checks whether a content of a battery insertion detecting RAM has a predetermined bit configuration and whether a flag during battery check is set after power on reset. If neither the RAM has...
5381350 Process for determining the backup time of a battery  
The backup time of the battery is obtained by estimation, in iterative manner, of discharging of the battery during successive estimated time intervals. During each of the estimated time intervals,...
5375246 Back-up power supply apparatus for protection of stored data  
A stored data protection apparatus for an electronic device has a CPU (20) and a volatile memory (21) controlled by the CPU for storing data therein. Both of the CPU and the volatile memory ace...
5371682 Method and apparatus for predicting battery reserve time to a specified end-voltage  
A reserve time predictive system for predicting the capacity of a discharging battery monitors the instant voltage of a battery, its discharge rate and a slope of the voltage vs ampere-hours...
5365453 System for indicating a low battery condition  
A system for accurately predicting impending battery failure in battery powered electronic and electrical devices. The system continually monitors changes in battery voltage responsive to load...
5363312 Method and apparatus for battery control  
In a power supply control apparatus capable of connecting an AC adapter, it is determined by a controller whether or not the AC adapter is connected. When a battery is set in the apparatus, it is...
5352982 Method and apparatus for displaying a residual electric charge of a battery for an electrically driven vehicle  
In a method and apparatus for displaying a residual electric charge for a battery of an electrically driven vehicle, the battery's capacity is detected after the battery is charged. This...
5349535 Battery condition monitoring and recording system for electric vehicles  
A device for accumulating information about storage batteries, especially useful for electric vehicles, in which a microcomputer having memory and associated sensors is built into each battery...
5321626 Battery performance monitoring and forecasting system  
Systems of battery cells and batteries are monitored via sensing probes arranged in assemblies providing digital output signals which indicate sensed physical parameters. Digital data strings are...
5321627 Battery monitor and method for providing operating parameters  
A battery monitor which monitors the operating parameters of a battery to provide an indication of, for example, the absolute state of charge, the relative state of charge, and the capacity of the...
5315499 Computer-controlled circuit breaker energy management arrangement having reliable memory and clock  
An energy management loadpanel arrangement includes a load panel enclosure having a plurality of circuit breakers, each of which opens and closes in response to a control signal so as to interrupt...
5311441 Battery powered unit with battery sensor and resume processing control means  
An apparatus driven by an output voltage of a battery when the power is ON includes a voltage detection circuit for detecting the output voltage of the battery, a judging circuit for judging...
5287286 Low-battery state detecting system and method for detecting the residual capacity of a battery from the variation in battery voltage  
There is provided a low-battery detection reference voltage table for memorizing the correspondence between current values and low-battery detection reference voltage values, which is obtained from...
5281919 Automotive battery status monitor  
A vehicle storage battery is monitored to determine battery capacity, state of charge and certain fault conditions. The ambient temperature, battery voltage alternator/regulator output voltage and...
5281955 Battery charge monitoring apparatus and method  
An apparatus and method for monitoring operation and recording status of at least one battery component of an uninterruptable power supply is provided. Physical parameters of a battery are sensed...
5247454 Reconfigurable circuit monitoring system  
A circuit monitoring system for a distributed power network employs waveform capturing techniques for efficient and highly accurate monitoring. The system includes a plurality of circuit monitors...
5230074 Battery operated computer power management system  
A computer has two processors. A main processor operates under the control of an operating system and provides overall control of the computer for executing application programs. The main processor...
5193067 Battery condition detecton apparatus  
A battery condition detection apparatus comprises at least the first two of a battery discharge current detector, a battery terminal voltage detector, and a battery electrolyte concentration signal...
5151865 Method and apparatus for determining the energy content value of electrochemical energy stores  
The method for determining the energy content value (EIW) of electrochemical energy stores (1) by measuring the terminal voltage (U KL ) of an energy store (1) recognizes at least one reference...
5047961 Automatic battery monitoring system  
There is disclosed an instrument for the continuous monitoring of emergency stand-by batteries during operation of the batteries. The invention monitors the emergency batteries during all discharge...
4888716 Life diagnosis apparatus for automotive battery  
A novel automotive battery life diagnosis apparatus is disclosed, in which the terminal voltage, charge-discharge current and the temperature of a battery are detected, output signals from the...
4855671 Electrical power line and substation monitoring apparatus  
Disclosed herein are individual sensor modules for mounting directly upon energized electrical power conductors and systems employing such modules, with principal emphasis upon the provision of...
4707795 Battery testing and monitoring system  
A battery testing and monitoring system specifically designated to continuously monitor overall battery voltage, conditions of individual cells or cell groups such as voltage, current and...
4663628 Method of sampling environmental conditions with a self-contained downhole gauge system  
The method for controlling the rate at which a downhole logging tool samples and records a detected condition obtains three samples of the condition at three consecutive sample times and computes a...
4638441 Data acquisition system for the computer control of aluminum smelters  
Disclosed is a system for measuring cell potentials in an aluminum potline having a plurality of cells connected in series. The system enables better control of the cells than the current method...
4633418 Battery control and fault detection method  
This is a method for control, fault detection, fault isolation, and state-of-health monitoring of batteries and battery arrays. The method consists of measuring all of the battery, cell, or cell...
4617626 Charge control microcomputer device for vehicles  
A charging system control system includes a microcomputer for determining the most proper voltage regulator reference value setting according to input data received thereby, and controls a clutch...
4608639 Charge control microcomputer device for vehicle  
A charge control microcomputer is provided for a vehicle charging system to control the reference voltage employed by the voltage regulator so that a suitable battery charging voltage is generated...
4607336 Change control microcomputer device for vehicle  
A charging control system includes a clutch interposed between the generator and the engine, and a microcomputer for receiving input data and determining a suitable reference voltage for the system...
4595880 Battery state of charge gauge  
A method of computing the state of charge for a battery including the steps of sensing the battery voltage and current, and computing the used battery capacity, C u , and the average battery...
4573126 Process and device for measuring the state of charge of an electrochemical generator while operating  
Process and device for measuring the state of charge of an electrochemical generator such as a lead-acid battery, while operating. The device includes means for measuring the voltage of the...
4536851 Electronic thermometer and associated apparatus  
An electronic thermometer is particularly adapted for use as a fever thermometer and employs a unique temperature sensor configuration comprising a platinum temperature sensing resistor and...
4478629 Power failure detection system for a glassware forming machine  
The invention involves a system for detecting power failures in a glass ware forming machine and for effecting either a programmed stop of the machine which permits removal of all molten glass in...
4377787 System for measuring state of charge of storage battery  
A system for measuring the state of charge of a storage battery is disclosed which corrects charging and discharge electrical quantities of the battery in view of temperature and charging...
4333149 Microprocessor-based state of charge gauge for secondary batteries  
A state of charge gauge for measuring the state of charge of secondary batteries, such as the type employed in electric vehicles, includes a microprocessor which, when supplied with data varying in...
4308492 Method of charging a vehicle battery  
A new method of charging a vehicle battery is disclosed. The proposed method employs electronically controlled data processing device, which controls battery charging condition in accordance with...
4217645 Battery monitoring system  
A system for automatically monitoring a plurality of parameters of a plurality of cells in a lead-acid storage battery system. A transponder means responsive to a frequency pattern corresponding to...
4189778 Method and instrumentation for the measurement of parameters of system devices  
Method and instrumentation for the measurement and display of parameters of devices within operating systems where a multiplicity of parameters determine the characteristics of a device. Devices...
4017724 Apparatus for measuring battery depletion by monitoring reductions in voltage  
The apparatus comprises means for sensing reductions in the output terminal voltage of the battery due to varying load conditions and producing a signal in response thereto during the time that the...
Matches 251 - 300 out of 301 < 1 2 3 4 5 6 7 >