Abstract: A method for resetting a state of charge of a battery for a hybrid electric vehicle comprises: determining whether a discharge current of the battery is greater than a predetermined discharge current; determining whether a minimum voltage module has changed, if the discharge current of the battery is greater than the predetermined discharge current; determining whether a theoretical discharge voltage is greater than a voltage of the minimum voltage module, if the minimum voltage module has changed; determining whether the theoretical discharge voltage remains greater than the voltage of the minimum voltage module for a predetermined period of time, if the theoretical discharge voltage is greater than the voltage of the minimum voltage module; and setting a state of charge of the battery as a very low state, if the theoretical discharge voltage remains greater than the voltage of the minimum voltage module for the predetermined period of time.

Abstract: An electrical device having a heat conductive housing has a flexible circuit board attached to the surface of the housing to control or take readings from the electrical. The flexible circuit board preferably has an adhesive coating on at least a portion of one side for adhering the flexible circuit board to the surface of the metal housing. At least one component mounted on the flexible circuit breaker generates heat, which is dissipated via the conductive housing. This arrangement provides a compact design that reduces the overall size of the electrical device and its associated circuitry, and also avoids the problem of dielectric separation between the electronic components and the heat sink. The electrical device may be a solenoid, a motor, a position detector, or a relay.

Abstract: A Universal Battery Charger Apparatus designed to be used with a small gas engine equipped with a small alternator, capable of maintaining the charge level of a small 12 volt battery. Said battery supplies power for the circuit of said battery charger. Said engine drives a second alternator. Said battery charger has a wide range of controlled output voltages as well as 12 different current limiting capabilities making possible use of not only a battery charger for charging different voltages of external batteries, but also a DC arc welder and/or a 115 volt DC, power supply, all within its own framework, thus making said apparatus portable.

Abstract: A charging rate adjusting circuit which comprises includes a serial line for connecting a plurality of cell blocks, a switch interposed on the line, a plurality of parallel lines for connecting a plurality of parallel connecting points each corresponding to in the cell blocks, switches each interposed on each of the lines, discharge circuits connected to a opposite electrodes of each of the cell modules, a voltage measuring circuit for detecting voltage across each of the cell modules, and a control circuit. The control circuit, in normal operation, sets on the switch and sets off all the switches, while, in adjustment, the circuit sets off the switch and sets on all the switches, and sets on the discharge operation of the circuit based on a detection result of the circuit.

Abstract: A folding mobile communication terminal is provided with a contact for charging and a protective cover that covers the contact. The protective cover is connected to a coil spring and is movable. When the communication terminal is installed on a battery charger, the protective cover is pushed up by a convex portion of the battery charger, exposes the contact and enables the connection of the contact and a terminal of the battery charger. When the communication terminal is detached from the battery charger, the protective cover is returned to a position in which the protective cover covers the contact by the resilience of the coil spring.

Abstract: A high frequency charger includes a charge circuit for charging a depleted battery and a boost circuit for jump-starting a vehicle. Two separate high frequency transformers are provided for the charge and boost circuits. A selector switch selectively activates at least one of the charging circuit and the boost circuit.

Abstract: An apparatus for prolonging rechargeable battery life and power in a wireless communicating hand-held system provides a possibility to enhance a power saving of the power supply in the wireless communicating hand-held units, such as cellular telephone. An improved apparatus for prolonging rechargeable battery life and power in a wireless communicating hand-held system includes a solar battery, the positive pole of which is connected to the positive pole of the rechargeable battery and to the anode of the indicator, and the negative pole of the solar battery is connected to the first contact of the switch and to anode of the blocking device. The cathode of the blocking device is connected to the negative pole of the rechargeable battery and the second contact of the switch is connected to the cathode of the indicator.

Abstract: A secondary cell featuring a transient rise in temperature once charged to saturation is coupled and thereby forms a composite structure with a charging assembly by mutual engagement of conductive contacts provided on either part. The force of union generated by the coupling compresses a thermosetting prestressed means which is a spring or other prestressed element the coupling brings the contacts into conduction to initiate charging. The stress is released once charging in the secondary cell reaches its saturation, followed by cutoff of the charging current to the secondary cell.

Abstract: A power source apparatus has a plurality of the battery modules housed in a case. The battery modules include a plurality of batteries joined in a straight line fashion. These battery modules are connected via bus-bars. Metal plate output terminals are attached to both ends of a battery module in a manner that is perpendicular to, and projecting from the battery end-planes. The case of the power source apparatus houses the battery modules with adjacent battery module output terminals connected via bus-bars.

Abstract: A load driving device of the invention includes an electric charge control unit 3, which charges a low-voltage battery 7 with a direct-current voltage from a DC/DC converter 2 that converts a high voltage from a high-voltage battery 1 into a low voltage. The electric charge control unit 3 includes a switching regulator 11 for performing switching of the direct-current voltage from the DC/DC converter 2 varying an output voltage supplied to the low-voltage battery 7, a series regulator 12 for inputting the direct-current voltage from the DC/DC converter 2 and adjusting power consumption to vary an output voltage supplied to the low-voltage battery 7, and a voltage-current detector 13 for detecting a voltage in accordance with a charge ratio of the low-voltage battery 7.

Abstract: In circuits and systems embodying the invention the condition of a battery may be tested and monitored while the battery is supplying a load current to a load and without interrupting that operation. A selectively enabled switch causes a test current to selectively flow through the battery and a test resistor of known value. The voltage across the test resistor is sensed to determine the value of the test current. The voltage across the battery is measured under two conditions, with the test current and without the test current flowing through it. These measurements and knowing the value of the test current enable the internal resistance of the battery under test to be calculated and monitored.

Abstract: Storage/discharge device integral with a low impedance current pool compartment is meant for application in common primary cell or secondary rechargeable cell or fuel cell, or still in a capacitor or super capacitor, otherwise similar charging/discharging device, and the electrode boards feature one or more current pool means to yield multiple confluent current paths, characterized in that by connecting in parallel current pool terminals of identical voltage rating and of electrode boards of like polarities from tanks of like polarities or from tanks of dissimilar polarities, or alternatively by series connection or compound serial/parallel combination of current pool terminals way between electrode boards of dissimilar polarities a low impedance structure for input/output current pool is achieved on the exteriority of the positive or negative polarity electrode boards on both sides of individually installed electrode tanks.

Abstract: A heating element and a process for conducting the operating heat of a semiconductor switch to a heating cell which is triggered by the semiconductor switch via first and second heat and current conducting material strips and a frame terminal with an interposed heat-conducting insulating film. The semiconductor switch is provided with a cooling fin and is applied directly to a surface of the first heat and current conducting material strip.

Abstract: A battery adapter (A) replaces two batteries (10) with a single battery (10) housed within a compartment (48) of a battery powered electrical device (D). An electrically conductive housing (40) adapted to replicate a selected battery and fit within a space adapted to house two of the selected sized batteries. A step up circuit (18) mounted within the battery housing (40) receives an electrical signal from a single battery (10) and transforms the voltage of the electrical signal to simulate an electrical signal from two electrically connected selected batteries (10).

Abstract: A battery cell voltages are read in parallel to a capacitor for each battery block of a battery pack by the use of analog switches. The stored voltages of the capacitors are A/D-converted sequentially through the analog switches. Thereby, each cell voltage is measured with suppression of measurement error by the use of the simple flying capacitor type circuit structure, while the circuit safety is secured by providing the current limitation resistor having a large resistance value between each cell and the analog switch. A noise reduction circuit having a pair of capacitors is provided.

Abstract: Device for prevention against explosion of an electrical transformer comprising an enclosure filled with combustible coolant, and a means for decompressing the enclosure of the transformer. The decompression means comprises a rupture element 1 with integrated explosion detector provided with a retention part 4 including first zones which have a reduced thickness in comparison with the rest of the retention part 4 and are capable of tearing without fragmenting when the said element 1 ruptures, and second zones which have reduced thickness in comparison with the rest of the retention part 4 and are capable of folding without tearing when the said element 1 ruptures. The said rupture element 1 is capable of breaking when the pressure inside the enclosure exceeds a predetermined ceiling. The signal from an explosion detector integrated with the rupture disc triggers a cooling system and prevents oxygen from coming into contact with the explosive gases generated by the electric arc in contact with the oil.

Abstract: A charging apparatus for charging a plurality of detachable battery packs includes a charging device for charging the plurality of battery packs one after another. A monitoring device is included to monitor attachment of a battery pack. A memory is included to store attachment history data of a battery pack based upon a monitoring result. A switching device is included to switch from one of the battery packs to the next battery pack. A voltage detecting device is included to detect a voltage of the next battery pack before charging. A charging manner setting device is included to set any one of constant current charging and constant voltage charging in accordance with the detected voltage. A charge current detecting device is also included to detect a current during charging of the next battery pack.

Abstract: A solar rechargeable battery. A storage battery is contained in a case, on which is disposed a solar cell that electrically communicates with, and charges, the storage battery. In two embodiments, the case is cylindrically-shaped. In one of which, the solar cell forms a longitudinal segment of the case so as to maintain the cylindrical shape of the case, and has a V-grooved block that receives and holds the case in a supine position. In the other of which, the solar cell is on one end wall of the case surrounding the positive contact. In a third embodiment, the case is rectangular-shaped and the solar cell forms a longitudinal segment of the case so as to maintain the rectangular shape of the case, and the positive and negative contacts are on the same end wall of the case.

Abstract: A space saving automobile appliance, is disclosed comprising a housing with an internal volume. Within the inner volume is a rechargeable battery for receiving power from a recharging source and for storing the power from said recharging source, and for outputting power stored in the rechargeable battery. Further within the inner volume is an electrical circuit coupled to the rechargeable battery, an external device that receives power and an power supply to recharge said battery. More specifically in one embodiment of the present invention, the battery is a the cadmium, or the metal hydride type. In an alternative embodiment of the invention, the automobile appliance further comprises a light capable of motion to allow the light to be directed in a given direction. In a further embodiment of the present invention, the automobile appliance contains a strap that is adjustable in length.

Abstract: A power supply circuit, which is connected to a battery having an overcurrent protective device, includes a capacitor which is connected in parallel to the battery to be charged by the battery, and a restricting device which restricts an output current of the battery so that the output current of the battery is not interrupted by the overcurrent protective device while the capacitor is being charged with the battery.