|
Match
|
Document |
Document Title |
|
|
7624292 |
Battery power detection device
A battery power detection device is disclosed that has a reduced circuit area and is able to achieve sufficiently high detection accuracy. The battery power detection device includes a temperature...
|
|
|
7619389 |
Charge control device for a secondary battery
A charge circuit 6 supplies a charging voltage (Vc) or a charging current to a secondary battery 2, 24 to 26 used for driving an appliance 21 ; a charged level setting device 5 , Sc 1 ...
|
|
|
7586311 |
Apparatus and method for monitoring load driving circuit for abnormality
An ECU executes a program including the steps of: when a DC/DC converter is boosting the voltage, calculating a VB estimate value, and if a state, where an absolute value of a difference between...
|
|
|
7583053 |
Battery pack controller with specific battery voltage detection
The invention provides a specific battery detection means that specifies single batteries believed to be in an excess discharge state during operation of the electric motor for starting the engine,...
|
|
|
7579811 |
Battery pack, battery protection processing apparatus and control method thereof
It is aimed at stably implementing a protection function of a secondary battery mainly under software control and providing a battery pack characterized by a reduced circuit installation area,...
|
|
|
7573241 |
Vehicle having a battery with multiple cells and method for operating such a battery
A method for operating a battery having a plurality of battery cells includes determining when certain end of life criteria for the battery are met. A counter is incremented when the certain end of...
|
|
|
7573238 |
Voltage detection device and electric vehicle including voltage detection device
A voltage detection device for accurately correcting detection errors with voltage greater than an internal reference voltage. The device includes a first switch group of switches for obtaining the...
|
|
|
7570023 |
Method of charging batteries
In a method of charging batteries, a microcontroller and a series divider resistor are used to control the level of a charge current source supplied from a power supply, so that a plurality of...
|
|
|
7570017 |
Rechargeable battery pack for a power tool including over-discharge protection
A battery pack for a power tool has a less-current consuming over-discharge protection. The battery pack includes a battery stack composed of a plurality of series connected secondary cells, and a...
|
|
|
7557585 |
Abnormal voltage detection apparatus for detecting voltage abnormality in assembled battery
An abnormal voltage detection apparatus is provided for an assembled battery including a plurality of battery blocks connected in series to each other. In the abnormal voltage detection apparatus,...
|
|
|
7550975 |
Portable information terminal apparatus and voltage measurement apparatus
The measurement unit measures a voltage by converting it from analog to digital and outputs a measurement value. The changeover unit, being connected to a battery and a reference voltage source...
|
|
|
7542858 |
Simulated battery logic testing device
A simulated battery test device and method that is capable of testing a battery charging circuit and logic circuit to determine proper operation. An operational amplifier is used that can both...
|
|
|
7531990 |
Voltage detector for an assembled battery
An apparatus and method for detecting total voltage of an assembled battery including a number of serially-connected electric cells. Voltages of the respective cells are detected and added up,...
|
|
|
7529068 |
Protective circuit for a frequency converter
The voltage of the intermediate circuit of a frequency converter is monitored, while the intermediate circuit is charged via charging resistors. When the voltage has not reached at least a...
|
|
|
7504830 |
Dual load tester
The apparatus relates to a dual load tester that is hand held and highly portable. The dual load tester includes two resistive loads, and the two resistive loads may be used in series or one of the...
|
|
|
7492160 |
Device and method for measuring individual cell voltages in a cell stack of an energy accumulator
A device and method enable measuring individual cell voltages of cells in a cell stack of an energy accumulator. To this end, a series circuit formed of two diodes is connected in parallel to each...
|
|
|
7486079 |
Available input-output power estimating device for secondary battery
An available input-output power estimating device for a secondary battery includes a parameter estimating section substituting a measured current value I and a measured voltage value V into an...
|
|
|
7486036 |
Power control apparatus, electrically powered vehicle and power control method of power system
When surplus power not charged to an electric storage is generated at the time of regenerative braking of a vehicle, a voltage is generated across first and second neutral points using a...
|
|
|
7474228 |
Battery monitor
An apparatus and method for monitoring at least one battery condition. An ac signal is applied to a battery. A difference between a signal output from the battery and a threshold determines a...
|
|
|
7474103 |
Storage medium having game program stored thereon and game apparatus
At least one of continuous disconnection, intermittent disconnection, and temporary disconnection, of wireless communication between the input device and the game apparatus is detected. Remaining...
|
|
|
7466137 |
Apparatus and method for measuring voltage of the fuel cell stack using a capacitor
An apparatus for measuring voltage is provided which measures output voltage between at least one pair of detecting terminals provided on an object under measurement. The apparatus for measuring...
|
|
|
7456613 |
Battery remaining capacity calculating method, battery remaining capacity calculating device, and battery remaining capacity calculating program
A battery remaining capacity calculating method, a battery remaining capacity calculating device, and a battery remaining capacity calculating program that make it possible to estimate the...
|
|
|
7439706 |
Battery determination system for battery-powered devices
This system provides a method for determining whether ordinary battery cells, a battery pack, and/or a charger unit are attached to a portable electronic device. The system provides a center...
|
|
|
7437647 |
Mode entry circuit and method
An apparatus and method for generating an active mode activation signal in response to an input signal having a voltage exceeding the greater of two reference voltages by a voltage margin.
|
|
|
7432719 |
Abnormality monitoring apparatus in load drive circuit
An ECU performs a program. In the program, in the case where a converter is performing an operation for increasing a voltage (i.e., YES in step S 102 ), when a difference between an estimated...
|
|
|
7423408 |
Monitoring device and method for determining at least one characteristic variable for the state of a battery
A method for determining at least one characteristic variable for the state of a battery includes: (a) determining the charge throughput of the battery per time step; having, (b) determining a...
|
|
|
7421603 |
Method for monitoring the operating readiness of at least one memory element assigned to an electronic unit
A method for monitoring the operating readiness of memory elements which are assigned to an electronic unit, an engine control unit for example. Furthermore, an electronic unit for executing the...
|
|
|
7420374 |
Battery with remaining electrical power display function and method of the same
This invention provides an electronic device that has a battery with a power storage unit and a display module, a power detector and a display control module. The power storage unit is for storing...
|
|
|
7417438 |
Battery voltage measurement apparatus
A voltage measurement circuit includes a plurality of voltage input terminals that are supplied with voltage outputted by secondary batteries via voltage measurement lines, a plurality of voltage...
|
|
|
7417437 |
Vehicle battery testing assembly
A portable assembly includes a multi-level housing having a vertically oriented back wall and an elongated rectilinear axle conjoined thereto. The housing further includes an elongated handle...
|
|
|
7411400 |
Method for testing battery condition
According to this invention a battery testing device is provided. Such device activates a shortening between the battery poles using a predefined electronic circuit (in order to maximize the...
|
|
|
7358704 |
Critical state estimation system and method for secondary cells
For estimation of a critical state of a performance under a working condition of a secondary cell, in consideration of an internal resistance of the cell, a variable data provider provides variable...
|
|
|
7352156 |
State-of-charge estimating device of secondary battery
A state-of-charge (SOC) estimating device and method for a secondary battery that estimates the SOC of the battery with high precision when variation takes place in the parameters of the battery...
|
|
|
7332913 |
Method and apparatus for determining to which battery cell in a string of battery cells a test instrument is connected
A method and apparatus for determining to which battery cell in a string of battery cells between a pair of busses a test instrument is connected. Knowing the average voltage of the battery cells...
|
|
|
7304584 |
Wireless input device with low voltage mandatory alert function
The present invention relates to a wireless input device with a low voltage mandatory alert function, including: a battery for supplying power for the wireless input device; a microcontroller for...
|
|
|
7253631 |
Method of determining the impedance of an electrochemical system
The invention relates to a method of determining the complex impedance Z(f m ) of a non-steady electrochemical system, comprising the following steps consisting in: bringing the system to a...
|
|
|
7239147 |
Method and device for inspecting secondary battery precursor and method for manufacturing secondary battery using the inspection method
A method for testing a precursor of a secondary cell with high reliability and high efficiency to judge the precursor to be acceptable or defective. The current flowing when a test voltage is...
|
|
|
7236893 |
Arrangement for voltage supply to several users and controllers for a on-board network comprising at least two energy stores
An arrangement for supplying voltage to a number of loads for example, in a vehicle includes a vehicle power supply system ( 6 ) which has at least two energy stores. A first energy store is...
|
|
|
7236346 |
Semiconductor apparatus and method of charging desired number of capacitors
A capacitor charging semiconductor apparatus including a plurality of serially connected capacitors to be charged. A direct current source is applied to the plurality of capacitors. A plurality of...
|
|
|
7202632 |
Battery management apparatus
When impedance calculating conditions are satisfied after a system is started, the impedance of a battery is calculated using the current of the battery, a time variation in open circuit voltage...
|
|
|
7199537 |
Voltage converter control apparatus, and method
By using a target voltage Vc* of a capacitor connected to the output side of a DC/DC converter and a voltage Vb of a battery connected to the input side of the DC/DC converter, a duty ratio D as a...
|
|
|
7194308 |
System and method for monitoring or reporting battery status of implantable medical device
A system and method monitors or reports the battery status of an implantable medical device to a user. The battery terminal voltage and charge delivered are measured. Before the battery terminal...
|
|
|
7173429 |
Activity-based battery monitor with a universal current measuring apparatus
A battery monitoring apparatus that obtains a current measurement for a current in a conductive element. The battery monitoring apparatus includes conductive lines configured to couple to a...
|
|
|
7173397 |
Battery system, battery monitoring method and apparatus
A battery performance monitoring system anticipates the sudden fall of battery output. The system measures the battery voltage at a time point when the discharge current of a battery becomes...
|
|
|
7148808 |
System for battery alarm notification and a method for implementing same
In an embodiment of the present invention, a clamp-on sensor is coupled at a single point of a battery string in an un-interruptible power supply. In embodiments of the present invention, the...
|
|
|
7098666 |
Method and system for battery state of charge estimation by using measured changes in voltage
A method ( 20 or 30 ) and system ( 40 ) for estimating a battery state of charge can include a memory ( 48 ) for storing at least one among an impedance value, a plurality of values for V drop 0...
|
|
|
7095237 |
Method of grouping single cells of power sources to build optimal packs using parameters obtained by analysis of impedance spectrum
A method for selecting unit cells to make an optimal battery pack improves the performance of the battery pack with primary or secondary batteries connected to one another in series, in parallel,...
|
|
|
7095211 |
Battery gas gauge
Full capacity determination in a battery gas gauge. Operations include measuring instantaneous open circuit voltage levels during an open circuit time interval for a specific battery cell and...
|
|
|
7078908 |
Voltage detecting apparatus applicable to a combination battery
A voltage detecting apparatus for a combination battery includes a multiplexer type flying capacitor voltage detecting circuit, a synchronous control type A/D converter, and a battery controller....
|
|
|
7071698 |
Power supply apparatus for detecting battery voltage and the portions of faults
A power supply apparatus according to the present invention includes a battery and a voltage detection circuit for detecting the voltage of the battery. The voltage detection circuit includes a...
|