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| Number | Title | Issue Date |
| 8164299 | Maximum power point tracking charge controller with coupled inductor multi-phase converter A maximum power point tracking charge controller for photovoltaic systems tracks the maximum power point voltage of a PV array, and employs a coupled inductor multi-phase buck converter for converting the maximum power voltage to the voltage required to charge one o... | 04/24/2012 |
| 7385374 | Adaptive power system A power system having an extended life and a system and method for extending the life of a battery powered device. In one embodiment, the method comprises providing a plurality of power sources and an alternate energy source. The method also comprises measuring the ... | 06/10/2008 |
| 7339347 | Apparatus and method for reliably supplying electrical energy to an electrical system The instant invention is directed to a multiple battery system and auxiliary battery attachment system. The invention provides a battery housing having a common positive terminal and a common negative terminal coupled to an electrical system. A main battery having a... | 03/04/2008 |
| 7295865 | Mobile device with cell array A mobile terminal having one or more of the following modes: a standby mode, talk mode, send/receive mode, and read/write mode, includes a cell array being capable of providing a cell array power and a backup battery being capable of providing battery power. The mob... | 11/13/2007 |
| 7262581 | Power supply A rechargeable power supply including voltage protection means through voltage dependent disconnecting means. A rechargeable power supply comprises at least one rechargeable cell connectable to a power source, a Zener diode connected to the at least one cell, and a ... | 08/28/2007 |
| 7255926 | Barrier layer made of a curable resin containing polymeric polyol A component involving a substrate, a layered structure arranged on the substrate, and a barrier layer arranged over the layered structure, wherein the barrier layer has the reaction product of an epoxy resin and a polymeric polyol. ... | 08/14/2007 |
| 7251509 | Mobile device with cell array A mobile terminal having one or more of the following modes: a standby mode, talk mode, send/receive mode, and read/write mode, includes a cell array being capable of providing a cell array power and a backup battery being capable of providing battery power. The mob... | 07/31/2007 |
| 7193839 | Methods of storing and retrieving electric energy A method and apparatus for storing large quantities of electric energy in a small mass and volume at a high dc electric potential. Dispersed conductive particles 16 in a dispersing medium 15 contained in an insulator casing 21 between an insulat... | 03/20/2007 |
| 7183742 | Unmanned underwater vehicle fuel cell powered charging system and method A charging system for an unmanned underwater vehicle (UUV) is disposed within a submerged docking station. The charging system includes a battery, a fuel cell, a fuel source, and a charge controller. The battery supplies electrical power to an electrical distributio... | 02/27/2007 |
| 7147072 | Method and apparatus for providing hybrid power in vehicle A hybrid powertrain system includes a combustion engine, a battery buffer for storing electric energy by converting it onto chemical energy, which can be converted back into electrical energy when need, a fuel cell unit having multiple fuel cells each of which is an... | 12/12/2006 |
| 7075252 | LED driver circuit An LED driver circuit that includes first and second switching mechanisms. The first mechanism is in a first switching condition when a source voltage is at or below a first threshold and moves to a second switching condition when the source exceeds the first thresh... | 07/11/2006 |
| 7059436 | Operating load control for fuel cell power system in fuel cell vehicle A fuel cell vehicle drives a motor (9) with electric power from a fuel cell power system (100) comprising a fuel cell (4) which generates electricity using hydrogen and oxygen. A controller (10) calculates an electrical load demand requir... | 06/13/2006 |
| 7007766 | Fuel cell vehicle A CO sensor (250) which detects CO contained in the air supplied to a fuel cell (200) by a compressor (202), and a sensor (206) which detects the state of charge (SOC) of a battery (207), are provided in a fuel cell vehicle. A cont... | 03/07/2006 |
| 6966184 | Photovoltaic power generating apparatus, method of producing same and photovoltaic power generating system A photovoltaic power generating apparatus is provided which comprises a single solar cell element formed on a substrate and a plurality of power conversion devices individually connected to the solar cell element for converting an output of the solar cell element. | 11/22/2005 |
| 6949910 | Methods and systems for battery charging control based on CMOS technology A method and system, compatible with low-voltage CMOS technology, for controlling the charging of a battery. The method includes monitoring a battery voltage with respect to a threshold voltage. The method further includes coupling a charging control logic supply to... | 09/27/2005 |
| 6919714 | Circuit for conditioning a supply at the maximum power point A circuit for conditioning a power supply whose graph of the power supplied as a function of the voltage at the terminals of the supply features a maximum comprises a DC/DC converter with an input to which power is supplied by the power supply and an output from whi... | 07/19/2005 |
| 6917298 | Solar system alarm backup unit A backup electrical power unit for an alarm panel. The unit comprises a solar panel array which produces an array output DC voltage and a charging current for a battery through a first circuit at a first voltage level of the battery output voltage. This circuit disc... | 07/12/2005 |
| 6906523 | Method and apparatus for testing cells and batteries embedded in series/parallel systems A “three-point” measurement technique effectively removes system effects to determine impedance, admittance, resistance, or conductance of an individual cell, battery, or interconnecting conductor embedded in a series or series-parallel electrochemical battery o... | 06/14/2005 |
| 6819079 | Apparatus for prolonging rechargeable battery life and power in a wireless communicating hand-held system 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 a... | 11/16/2004 |
| 6489743 | Method for controlling an electric power plant associated with a temporally random power source The method serves for the control of an electric power plant (2) associated with a power source (6) with temporally random availability, the plant comprising at least one battery (10) adapted to be supplied with electric current from the source. When the ... | 12/03/2002 |
| 6204645 | Battery charging controller A controller for a solar electric generator that permits the generator to produce power substantially at its maximum capacity while also providing efficient charging at three charging stages; i.e., bulk charging, acceptance charging and float charging. Po... | 03/20/2001 |
| 6111391 | Controller for solar electric generator for recreational vehicles A controller for a solar electric generator that permits the generator to produce power substantially at its maximum capacity. Power is transferred from the generator to a temporary electric storage device that is periodically partially drained of power t... | 08/29/2000 |
| 5959368 | Power supply apparatus for supplying power from a plurality of batteries to a plurality of loads, and electronic appliance using the power supply apparatus In a power supply apparatus including a plurality of batteries and a plurality of power supply portions for connecting to loads, a plurality of switches connect these batteries to these power supply portions, respectively. The apparatus further includes a... | 09/28/1999 |
| 5825099 | Uninterruptible power supply circuit An uninterruptible power supply circuit has a first power supply unit for supplying a first power supply voltage; a second power supply unit for supplying a second power supply voltage which is lower than the first power supply voltage; a back-up power su... | 10/20/1998 |
| 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.... | 03/10/1998 |
| 5659465 | Peak electrical power conversion system An electrical power conversion system that supplies the maximum available output power from a power source such as a solar array to a plurality of loads such as rechargeable batteries. The output power of the solar array peaks at an optimum current that i... | 08/19/1997 |
| 5635816 | Method and apparatus for controlling battery charging current An automatic photovoltaic controller provides a fixed frequency, pulse width modulated charging current to charge and regulate a battery, the duty cycle of the charging current being controlled by the difference between the sensed battery voltage and a de... | 06/03/1997 |
| 5631532 | Fuel cell/battery hybrid power system for vehicle A hybrid type power source control system controls the output of a fuel cell, with disregard of the operation of the vehicle accelerator pedal, responsive to the detected amount of residual charge of the battery, which amount fluctuates as the vehicle tra... | 05/20/1997 |
| 5631535 | Regulator for charging a rechargeable storage device from a photovoltaic cell A circuit regulates charging of a rechargeable storage device having a pair of device terminals by a photovoltaic cell having a pair of cell terminals. The circuit has a pair of input terminals for coupling to the cell terminals and a pair of output termi... | 05/20/1997 |
| 5626976 | Flexible energy storage device with integral charging unit A flexible, conformal energy storage device (10) has a plurality of photovoltaic devices (40, 42, 44) formed integrally therewith. The energy source includes an anode, a cathode, and an electrolyte encapsulated between layers of oxygen and water impermeab... | 05/06/1997 |
| 5617002 | Method of and apparatus for charging nonaqueous electrolytic battery A charging method of and a charging apparatus for charging a nonaqueous electrolytic battery such as a lithium primary battery including a positive pole active material, negative pole active material of a lightweight metal and nonaqueous electrolyte. The ... | 04/01/1997 |
| 5605769 | Method and apparatus for supplying electrical energy to battery powered equipment The invention provides method and apparatus for supplying electrical energy to battery powered equipment of the type utilizing removable batteries. The method of the invention includes the steps of: placing within the battery compartment or battery holder... | 02/25/1997 |
| 5602457 | Photovoltaic solar cell laminated in vehicle windshield A laminated windshield in which thin solar cells are sandwiched between the glass layer. The solar cell is electrically connected to a vehicle battery to provide recharging current to the battery from the electrical current generated by the solar cells. T... | 02/11/1997 |
| 5530335 | Battery regulated bus spacecraft power control system A system for supplying d.c. power to an electrical load, in which such load includes a rechargeable battery, is characterized by a plurality of power sources connected in common to the electrical load, wherein the current generated by the multiple power s... | 06/25/1996 |
| 5517468 | Electronic timepiece with thermoelectric element In an electric timepiece using a small and thin thermoelectric element wherein a first insulator made of silicon is on the heat absorbing side and a second insulator made of silicon is on the heat radiating side, when a temperature difference is applied t... | 05/14/1996 |
| 5491399 | Lead acid battery rejuvenator A combination rejuvenator and trickle charger for lead acid batteries powered by a multi-solar cell unit and/or a rectified a.c. source, the output of which is applied to a capacitor. The output of the capacitor is in turn connected across the primary of ... | 02/13/1996 |
| 5479557 | Circuit arrangement for power supply of a fan and/or battery by solar generator in a motor vehicle Circuit arrangement for supplying power to a fan and/or battery from solar energy generator in a motor vehicle. A DC voltage converter using impedance matching between the solar energy generator and the fan or the battery includes a switch that is alterna... | 12/26/1995 |
| 5439533 | Photovoltaic device, method of producing the same and generating system using the same An object of the present invention is to provide a photovoltaic device and a method of producing the photovoltaic device which can prevent recombination of photo-excited carriers and which permits increases in the open circuit voltage and the carrier rang... | 08/08/1995 |
| 5438225 | Solar powered annuciator A combination shut-down trigger and annunciator may be advantageously powered by a photoelectric power supply. The shut down trigger and annunciator can include a fault detection unit responsive to a plurality of fault condition sensor inputs. A fault con... | 08/01/1995 |
| 5196781 | Method and apparatus for power control of solar powered display devices An automatic power control device comprising a passive, non-linear voltage detector controlling a series bipolar transistor regenerative latch circuit, acts to connect the load to a power source only when the voltage obtainable from the power source is su... | 03/23/1993 |
