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7613577 |
Onboard battery monitoring apparatus and method for correcting offset value of current sensor thereof
An onboard battery monitoring apparatus for monitoring charging and discharge currents of an onboard battery 40 using a current sensor 43 includes an ignition switch 49 , a main line current...
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7602150 |
Battery device for electronic apparatus with rechargeable secondary battery, fuel cell and run time computing unit
A battery device for an electronic apparatus includes a rechargeable secondary battery, a fuel cell, and a run time computing unit receiving data representative of a voltage versus...
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7525284 |
Charging rate estimating method, charging rate estimating unit and battery system
The method for calculating charged rate of a secondary battery is intended to calculate charged rate of a secondary battery which supplies electric power to loads, and comprises the step to measure...
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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...
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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...
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7225084 |
Measuring device for a process technology
A measuring device for process technology, useful in measuring- and/or cleaning- and/or calibration-installations in the field of process automation for measuring pH-values and/or redox potentials...
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7023216 |
Indicator for use in vehicles having an energy storage device
An indicator to indicate an amount of power available from an energy storage device. The indicator normalizes raw power values to values which are understood by the driver. The indicator indicates...
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6943693 |
Method for informing user of available battery time based on operating mode of hybrid terminal
Disclosed is a method for informing a user of an available battery time of a battery in a hybrid terminal based on the operating mode of the hybrid terminal. The hybrid terminal has a plurality of...
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6693431 |
Battery system and method of determining battery condition
A battery system including a main battery cell having a first capacity; a sense battery cell connected in series with the main battery cell, the sense battery cell having a second capacity less...
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6646561 |
Method and device for in-use detecting low cranking strength of a combustion engine battery during engine starting
A method and device for in-use detecting low cranking strength of a combustion engine battery during engine starting, based on integrating changes in battery voltage specifically during engine...
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6646442 |
Voltage detection device for a battery package
To detect terminal voltages in a battery package including high and low potential groups connected in series, a positive terminal of one battery module in the high potential group outputting the...
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6611134 |
Open type electricity meter
Disclosed an open type electricity meter having an open type communication module. The module comprises a power line communication unit for separating a high frequency power line communication...
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6507196 |
Battery having discharge state indication
A storage battery of the conventional kind for supplying power to electrical devices has a supervising unit for determining the electric capacity. The supervising unit is electrically connected to...
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6380922 |
Electronic display
A voltage controlled display is described. The voltage controlled display is a low voltage display and has a display element having a pair of electrodes and a voltage divider having a terminal...
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RE37281 |
Battery voltage alarm apparatus
There is provided a battery voltage alarm apparatus which announces the necessity of battery exchange when battery voltage falls below a predetermined level. The battery voltage alarm apparatus has...
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6243192 |
Electrochemical display and timing mechanism with migrating electrolyte
Printed electrochemical display cells are arranged in layer form with two electrode layers and an electrolyte layer occupying distinct areas of a substrate. When activated, an electrochemical...
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6232782 |
On cell circumferential battery indicator
A battery includes a battery tester including a display that is disposed around a substantial portion of the circumference of the battery. Also describe is a battery operated electronic device...
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6184794 |
Portable lighting device having externally attached voltage tester
A battery tester for use in combination with a portable lighting device such as a flashlight or lantern having a housing for retaining at least one battery including first and second terminals,...
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6175303 |
Electric vehicle torque-o-meter
The present invention provides a system for monitoring usage of a electric vehicle's battery which offsets the display when the vehicle is in an on condition. A battery energy measuring device is...
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6054234 |
Battery tester label for battery
A method for producing a battery tester label is disclosed. The method includes forming an inserted tester device and a base layer, which are combined together to form the battery tester label. The...
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5925480 |
Thermochromic battery tester
A battery tester device that may be integrated into a label of battery. The battery tester device includes first dielectric layer, a conductive layer adjacent the first dielectric layer, a...
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5925479 |
Moisture barrier composite film of silicon nitride and fluorocarbon polymer and its use with an on-cell tester for an electrochemical cell
A light transparent moisture barrier useful for preventing moisture from destroying the effectiveness of a moisture sensitive cell condition tester on an electrochemical cell, comprises a plurality...
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5900734 |
Low battery voltage detection and warning system
A low battery voltage detection and warning system connected to sense a voltage charge of a power source within a vehicle such as the vehicle battery. The low battery voltage detection and warning...
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5870025 |
Power-supply apparatus and its mounting-completion indication method
A battery pack and a device, each including a CPU, communicate with each other. When the battery pack is mounted to the device, the CPU of the device reads a voltage V, output from dry cells built...
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5869952 |
Battery charge indicator having improved resolution
Apparatus indicates a charge on a battery that has a predetermined operating range. The apparatus includes a thermochromatic material for displaying the charge level of the battery, and a resistive...
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5867028 |
Battery tester having sections of different resistivity
The battery tester of the present invention includes a heating element for generating heat in response to current supplied from a battery, and an indicator provided in proximity to the heating...
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5861732 |
Battery charging apparatus
A charging apparatus for charging a secondary battery arranged in such a manner that the interterminal voltage of the battery, which is being charged, is measured so that the charging status of the...
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5841285 |
Temperature-compensated thermochromic battery tester
The battery tester of the present invention includes a heating element coupled to opposite terminals of a battery for generating heat in response to current supplied from the battery, and an...
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5825174 |
Temperature responsive battery tester
A device for measuring the voltage of a voltage source includes a number of temperature responsive displays and a circuit including a number of heating circuits, each heating circuit for heating...
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5798702 |
Residual battery capacity display device for electric vehicle
An improved battery residual capacity meter or display device which is positioned on an electrically-assisted bicycle so as to enhance the visibility thereof. In addition, the battery residual...
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5760588 |
Dual rate thermochromic battery tester
The thermochromic battery tester comprises a conductive heating element having one end including at least two switch pads for selective coupling of the conductive heating element to a second...
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5750285 |
Life indicator and lead-acid storage battery with life indicator
The purpose of this invention is to provide a life indicator which can detect an occurrence of growth and obtain various information based on it. A life indicator of this invention having at least...
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5726556 |
Charging state display apparatus
A charging state display apparatus has a first means for indicating a charging amount and a second means for causing the first means to indicate a charging amount from a restart of charging.
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5717256 |
Power supply apparatus and electronic appliance equipped with the power supply apparatus
A power supply apparatus includes a battery, a voltage converter for converting the output of the battery to a different D.C. voltage by ON/OFF action of a main voltage converter control switch...
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5709962 |
Cell tester device employing spaced apart electrochromic electrodes
A tester label for electrochemical cells employing two spaced apart electrically conductive electrochromic electrodes in which an ionically conductive electrolyte is disposed on the electrodes and...
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5681666 |
Light transparent multilayer moisture barrier for electrochemical celltester and cell employing same
A light transparent moisture barrier useful for preventing moisture from destroying the effectiveness of a moisture sensitive cell condition tester on an electrochemical cell comprises a plurality...
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5655749 |
Process and device for the contactless electronic control of the flow of water in a plumbing unit
To guarantee a higher reliability of operation, the capacity of a battery to reliably open and close a water valve and to operate a microprocessor is continuously checked. To do so, a plurality of...
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5654640 |
Cell tester device employing a printed transparent electrically conductive electrode
A cell tester device for use on an electrochemical cell which comprises a printed transparent electrically conductive electrode disposed on a plastic film, an ionically conductive electrochromic...
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5627472 |
Condition tester for a battery
A tester for determining the condition of an electrochemical power source, e.g. a battery or main cell, is disclosed. The tester may comprise an electrolytic (coulometric) cell connected in series...
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5612608 |
Apparatus for displaying residual capacity of battery for use on electric vehicle
An apparatus for displaying the residual capacity of a battery includes a temperature indicator composed of a linear array of spaced light-emitting elements for displaying the temperature of the...
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5604049 |
Battery with tester label and method for producing it
A battery encased with a label containing an integral test circuit device that is thermally insulated from the battery by an expanded material and is activated by depressing a selected area of the...
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5600231 |
Device for testing and refreshing batteries
A testing device includes a refresh circuit having a refresh resistor and electrically conductive leads for coupling the refresh resistor to a battery through a first switch and a diode, a test...
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5598087 |
System for monitoring residual capacity of battery
A battery monitor system for monitoring the residual capacity of a battery has a controller for determining the residual capacity of a battery, detecting the output electric power of the battery...
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5596278 |
Condition tester for a battery
A condition indicator assembly (tester) for determining the condition of a main cell, e.g. a battery, is disclosed. The condition indicator assembly may comprise an electrochemical indicator cell...
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5568052 |
Performance monitor for electric vehicle
A system (10) and method for monitoring usage of current immediately available from the traction batteries (12) of an electric vehicle includes a means (18) for generating a signal representative...
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5565782 |
Electronic apparatus having key tone for reporting residual amount of battery capacity
An electronic apparatus powered by a battery and having a keyboard is disclosed. When a key provided on the keyboard is operated, a key tone generating circuit generates a key tone. A setting...
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5557208 |
Battery tester with stacked thermochromic elements
A thermochromic apparatus for testing dc voltage sources, particularly small, low voltage disposable batteries, employs a very thin resistive heater layer deposited onto a flexible dielectric...
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5543246 |
Battery tester adhesive system
A system for bonding a condition indicator to an electrochemical cell is disclosed. The system employs an electrically conductive adhesive which bonds the indicator to a terminal of the cell. The...
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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...
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5519383 |
Battery and starter circuit monitoring system
A battery monitoring system has an input for connection to a battery to be tested, and an indicator for providing a visual indication of when the battery power falls below a selected minimum value....
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