| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 324428000 | Including an integrating device | 11 |
| 20100171503 | STATE OF CHARGE CALCULATOR FOR MULTI-CELL ENERGY STORAGE SYSTEM HAVING CELL BALANCING - An arrangement for monitoring the current or state of charge (SOC) of an energy system ( | 07-08-2010 |
| 20110128008 | Method And Apparatus For Indicating Battery Cell Status On A Battery Pack Assembly Used During Mechanical Ventilation - This disclosure describes methods and apparatus for indicating battery cell status on a battery pack assembly used during mechanical ventilation. Embodiments described herein seek to provide methods for indicating battery cell status on the exposed exterior of a battery assembly pack both when the battery is in use and when the battery is not in use during mechanical ventilation. Embodiments utilize power from the ventilator as well as power from the battery pack itself to light the indicators during periods of battery use and non-use, respectively. Embodiments described herein further seek to provide an apparatus indicating battery cell status on the exposed exterior of the battery pack assembly during mechanical ventilation. Embodiments described herein further seek to provide an apparatus for a battery pack assembly used during mechanical ventilation. Embodiments described herein seek to provide a system for a ventilation system with an inserted battery pack assembly. | 06-02-2011 |
| 20120112754 | APPARATUS QUANTIFYING STATE-OF-CHARGE OF VEHICLE-MOUNTED RECHARGEABLE BATTERY - A rechargeable battery state-of-charge quantifying apparatus for use in a vehicle equipped with an electric motor and a rechargeable battery which supplies electric power to the motor to produce a driving torque. The apparatus quantifies a state-of-charge of the rechargeable battery and defines a minimum value of a state-of-charge of the rechargeable battery at which the rechargeable battery is permitted to produce a degree of electric power required to run the vehicle as a lower limit. The lower limit is increased as the rechargeable battery ages, thereby ensuring the stability in supplying the amount of electric power to the motor which is required to run the vehicle regardless of aging of the battery. | 05-10-2012 |
| 20120299597 | BATTERY SYSTEM - In a battery system of the invention, a BMS calculates a maximum charge rate representing a maximum value from present charge rates of plurality of secondary batteries constituting an assembled battery and a minimum charge rate. Then, the BMS generates a normal waveform signal in which the maximum charge rate is determined as a maximum peak and the minimum charge rate is determined as a minimum peak as a waveform signal which is displayed in a charge rate display range where a full charge rate in the case of a full charge state of the secondary battery is determined as an upper limit and an empty charge rate in the case of an empty charge state of the secondary battery is determined as a lower limit. Then, the BMS displays the normal waveform signal in the charge rate display range. | 11-29-2012 |
| 20130106426 | METHOD AND APPARATUS FOR MEASURING A REMAINING CAPACITY OF A BATTERY WHEN CHARGING CONSTANT CURRENT/CONSTANT VOLTAGE MODE IN A PORTABLE TERMINAL | 05-02-2013 |
| 20130257442 | POWER SOURCE DETECTION CIRCUIT AND ELECTRONIC DEVICE WITH POWER SOURCE DETECTION CIRCUIT - A power source detection circuit includes a voltage conversion module and a signal producing module. The voltage conversion module is connected to a power port, and is used to convert a voltage of a power source to a detection voltage. The signal producing module is connected to the voltage conversion module and a processing unit, and is used to compare the detection voltage with a reference voltage, and produces a high voltage signal to trigger the processing unit to control to display a remaining power of the battery when determining the detection voltage is lower than the reference voltage. The signal producing module is also used to produce a low voltage signal to trigger the processing unit to not display the remaining power of the battery when determining the detection voltage is higher than the reference voltage. | 10-03-2013 |
| 20150077126 | METHOD FOR MONITORING AND MANAGING BATTERY CHARGE LEVEL AND APPARATUS FOR PERFORMING SAME - A method for monitoring and managing battery charge level and an apparatus for performing the same, wherein the method comprises steps as follows: A current charge level of a battery equipped in the electrical apparatus is acquired. A coefficient of current battery power consumption is directed in accordance with a user | 03-19-2015 |
| 20150077127 | METHOD FOR DETERMINING REMAINING SERVICE TIME OF BATTERY, CLIENT DEVICE AND MOBILE TERMINAL - A method for determining remaining battery service time of a mobile terminal includes determining a plurality of battery usage times, wherein each battery usage time corresponds to a respective predefined battery power level interval. Upon receipt of a request to determine the remaining battery service time, the mobile terminal determines a current battery power level of the mobile terminal and compares the current battery power level with at least one of the plurality of battery usage times and their associated predefined battery power level intervals to determine the remaining battery service time. The remaining battery service time is then displayed on the mobile terminal. | 03-19-2015 |
| 20150084639 | APPARATUS AND METHOD FOR ESTIMATING PARAMETER OF SECONDARY BATTERY - Disclosed is an apparatus and method for estimating a parameter of a secondary battery. The apparatus according to the present disclosure includes a sensor means configured to measure a plurality of current-voltage data while a charging current decreases when a secondary battery is charged in such a pattern that the charging current increases to a peak value and then decreases, and a control means configured to receive an input of the plurality of current-voltage data from the sensor means, calculate a linear approximation equation representing a correlation between a current and a voltage from the plurality of current-voltage data, estimate an open-circuit voltage (OCV) of the secondary battery by reflecting a polarization voltage of the secondary battery quantified through a resistor-capacitor (RC) circuit on a Y intercept of the linear approximation equation, and estimate a state of charge (SOC) of the secondary battery from the estimated OCV. | 03-26-2015 |
| 20160061910 | ELECTRONIC DEVICE AND DETECTION METHOD OF POWER CAPACITY - An electronic device and a detection method of power capacity are provided. The electronic device includes a battery and a power management unit coupled to the battery. The power management unit reads an output voltage of the battery, and determines whether a variation of the output voltage of the battery within a time interval is greater than a threshold. When the power management unit determines that the variation of the output voltage of the battery within the time interval is greater than the threshold, the power management unit calculates a remaining power capacity of the battery according to the output voltage and the variation of the output voltage within the time interval. | 03-03-2016 |
| 20160146897 | ELECTRIC CAPACITY MEASUREMENT APPARATUS WITH TEMPERATURE COMPENSATION AND TEMPERATURE COMPENSATION METHOD THEREOF - An electric capacity measurement apparatus with temperature compensation and a temperature compensation method thereof are provided. The electric capacity measurement apparatus includes an electric capacity measurement circuit, a non-volatile memory, a temperature measurement circuit and a control circuit. The electric capacity measurement circuit is configured to obtain an input current signal and compensate the input current signal according to a present invalid current range or a present zero current offset to obtain an electric capacity signal. The non-volatile memory is configured to store a plurality of test parameters at different temperatures related to the electric capacity measurement circuit in a test stage. The temperature measurement circuit measures a present temperature value of the electric capacity measurement circuit in an operation stage. The control circuit generates a present invalid current range or a present zero current offset according to the present temperature value and the plurality of test parameters. | 05-26-2016 |
