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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8084994 | System to extend the service life of portable devices A method for extending the service life of a portable device includes monitoring a battery of a portable device; identifying a problem bank; reconfiguring a connection schema for the battery to replace the problem battery bank with at least one spare bank; condition... | 12/27/2011 |
| 7948211 | System and methods to extend the service life of portable devices A method for extending the service life of a portable device includes monitoring a battery of a portable device; identifying a problem bank; reconfiguring a connection schema for the battery to replace the problem battery bank with at least one spare bank; condition... | 05/24/2011 |
| 7683574 | Rapid charge lithium ion battery charger A rapid charging circuit for a lithium ion battery. The battery charger in accordance with the present invention compensates for the voltage drops across the various resistance elements in the battery circuit by setting the charging voltage to a level to compensate ... | 03/23/2010 |
| 7535200 | Hybrid battery module and its manufacturing, charging and discharging method The present invention relates to a hybrid battery module, which comprises: a first cell set; a first programmable fuse; a first discharging switch; a first charging switch; a first analog front end circuit; a first thermister; a second cell set; a second programmabl... | 05/19/2009 |
| 7535199 | Battery pack A battery pack is provided which includes: a battery set having a plurality of secondary-battery cells connected in series and in parallel; and a battery-abnormality detection circuit. The battery-abnormality detection circuit controls a battery-set circuit separati... | 05/19/2009 |
| 7463009 | Hybrid battery module with a voltage balancing unit and its charging and discharging method The present invention relates to a hybrid battery module with voltage balancing unit, which comprises: a first cell set; a first programmable fuse; a first discharging switch; a first charging switch; a first analog front end circuit; a first thermister; a second ce... | 12/09/2008 |
| 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 sensors connected between each of the plurality of voltage input termi... | 08/26/2008 |
| 7378757 | Power generation system A power generating system includes a power generator generating DC power, and an inverter circuit for converting DC power into AC power. The power generator has a plurality of power generating modules each including a plurality of power generating units and at least... | 05/27/2008 |
| 7378819 | Systems and methods for regulating pulsed pre-charge current in a battery system Systems and methods for regulating pre-charge current in a battery system, such as a battery system of an information handling system, by controlling duty cycle of the charging current provided to battery cell/s of the battery system. ... | 05/27/2008 |
| 7378818 | Bidirectional power converter for balancing state of charge among series connected electrical energy storage units A system is provided for balancing state of charge among plural series connected electrical energy storage units that includes a power converter that selectively couples to an individual storage unit of the a string of electrical energy storage units and bidirection... | 05/27/2008 |
| 7353897 | Telematic method and apparatus with integrated power source Telematic method and apparatus adaptively uses fuel cell power source in vehicle with integrated power system, electrical system, telematic system, and body/powertrain system. Telematic communications systems including internet, digital video broadcast entertainment... | 04/08/2008 |
| 7345455 | Staggered backup battery charging system A battery backup system includes a control device including a power sensing device, a discharge circuit, a charging circuit, and a plurality of battery packs. A lower threshold is established representative of a minimum acceptable effective energy capacity. Each bat... | 03/18/2008 |
| 7304453 | Methods and systems for assembling batteries A large battery pack of specified voltage and capacity can be assembled from a plurality of identical small cells by dividing the specified capacity by a nominal battery module capacity to determine a desired number of parallel modules to be provided, dividing the n... | 12/04/2007 |
| 7298114 | Nickel hydrogen/nickel cadmium battery charger with the function of emergency power supply A NiH/NiCd (nickel hydrogen/nickel cadmium) battery charger with the function of emergency power supply unit having a main body with a charging chamber and a charging circuit positioned within the main body to allow an electric connection to the charging chamber and... | 11/20/2007 |
| 7288919 | Voltage balance circuit, voltage detective circuit, voltage balancing method, and voltage detecting method When a control section (39) turns on a switch (31, 33, 35), a capacitor (37) is connected to a secondary battery (B1) in parallel. Accordingly, voltage between both ends of each capacitor (37, 38) reaches voltage between both polar... | 10/30/2007 |
| 7274170 | Battery pack control module A battery pack control module for balancing a plurality of cells or groups of cells connected in series includes a controller assembly, a disconnect circuit, a pack sensing circuit, a balancing circuit, and computer instructions for instructing the controller assemb... | 09/25/2007 |
| 7268517 | Method and system for energy reclamation and reuse The present invention relates to a system and method for harvesting ambient electromagnetic energy, and more particularly, to the integration of antennas and electronics for harvesting ubiquitous radio frequency (RF) energy, transforming such electromagnetic energy ... | 09/11/2007 |
| 7157884 | Method and circuit for energizing and de-energizing an electric energy storage device A method and circuit for energizing an electric energy storage device (10) to a high voltage with electric energy supplied by a high voltage electric power source (16) in a safe, effective and efficient manner by first moving electric charges supplied ... | 01/02/2007 |
| 7151378 | Implantable energy management system and method An implantable energy supply system having at least two cells is disclosed. The system may have a switch with a first state in which the cells are electrically connected to a load, and a second state in which each cell is electrically connected with its own charger.... | 12/19/2006 |
| 7141892 | Power supply method of a line interactive UPS and the line interactive UPS A power supply method and apparatus of a line interactive UPS utilizes a bi-directional AC/AC power converter in association with the AC delta control concept. When the line voltage coupled to the AC/AC power convert exceeds high/low statuses, the UPS is operated in... | 11/28/2006 |
| 7135837 | Method and system for selectivly diverting current during charging of multiple batteries The invention concerns a method (300) for charging a set of batteries. The method includes the steps of charging (314) a first battery (116) with a charging current from a power supply (138), monitoring (316) a parameter of the fir... | 11/14/2006 |
| 7126342 | Voltage measurement device A voltage measurement device includes a first group of switches Q1, Q2, a second group of switches Q7, Q8 and a third groups of switches Q5, Q6. By turning on the third group of switches Q5, Q6, the first group... | 10/24/2006 |
| 7111179 | Method and apparatus for optimizing performance and battery life of electronic devices based on system and application parameters An electronic device (e.g., computer system, etc.) employing dynamic power management of the present invention adjusts power consumption in accordance with an analysis of parameters and events occurring over one or more time-periods. Preferably, the electronic devic... | 09/19/2006 |
| 7091700 | Battery assembly system and electric-motor vehicle system using the same The battery assembly system 100 includes a battery assembly including a plurality of storage batteries C1 to Cn connected in series, a voltage detector 3 for detecting respectively voltages generated in the storage batteries, a current detector ... | 08/15/2006 |
| 7078877 | Vehicle energy storage system control methods and method for determining battery cycle life projection for heavy duty hybrid vehicle applications A method for equalizing a storage parameter for a vehicle energy storage system having one or more energy storage banks associated therewith includes identifying a quiescent period of operation for the vehicle, and determining whether the value of a defined storage ... | 07/18/2006 |
| 7049791 | Battery energy balance circuit and battery charging bypass circuit A battery energy balance circuit and a battery charging bypass circuit is disclosed for batteries being charged at the same time to be charged equally. When the terminal voltages of the batteries are different, a controllable power device switch in the circuit switc... | 05/23/2006 |
| 7034580 | Capacitor charging methods and apparatuses that use a secure parallel monitoring circuit A capacitor charging circuit and method including a plurality of serially connected capacitors and parallel monitor circuits connected in parallel on a one-to-one basis to the capacitors. Each one of parallel monitor circuits applies a direct-current source voltage ... | 04/25/2006 |
| 7024574 | Method and structure for switching between two battery units for driving an electrically driven device Electric apparatus, computer apparatus, controller, and battery switching method and program is provided to prevent a system shutdown caused by a reduction of electric power from a battery. A computer apparatus is constructed to be able to accept and be powered by a... | 04/04/2006 |
| 7019416 | Power source circuit, electronic device being equipped with same power source circuit and control method of power source circuit A power source circuit capable of improving an efficiency of using energy of a chemical battery cell by responding suitably to an intermittent change in a load current, by during a load burst period in an odd-numbered order, a load is driven by power accumulated in ... | 03/28/2006 |
| 7009363 | Optimized battery life in multiple battery applications Various apparatus and methods of supplying regulated battery power to an electrical device, such as a downhole tool, are provided. In one aspect, a method of providing power to an electrical device is provided that includes providing a plurality of batteries and pro... | 03/07/2006 |
| 7005832 | Device for a battery charger A device for a battery charger, includes connection elements 14, 16 connected to the output lines of the charger, connection elements 16, 24 for connection to the terminals of a battery to be charged. The device includes elements 80 for detectin... | 02/28/2006 |
| 6969971 | Reverse battery protection circuit A reverse battery protection circuit comprising a first controlled semiconductor switch for providing current to a load and coupled in series with load terminals across which load terminals the load is adapted to be connected and a second controlled semiconductor sw... | 11/29/2005 |
| 6957048 | Switching circuit for charge and discharge of multiple battery systems Multiple battery systems and switching networks are provided for portable electronic devices. A single switching cell is provided per battery and a load switch coupled to a battery power bus to achieve proper connectivity and isolation between batteries, a load and ... | 10/18/2005 |
| 6952777 | Method for protecting a security module and arrangement for the implementation of the method A method for protecting a security module includes the steps of monitoring proper insertion of the module on a device motherboard with first, second and third function units, erasing sensitive data due to an improper use or a replacement of the module with the secon... | 10/04/2005 |
| 6933703 | Selectively activated electrochemical cell system A power generating system is described including a plurality of electrochemical cells. The cells are generally arranged in sections that are selectively activated individually or in combination to produce power from selected cell sections. A method of generating pow... | 08/23/2005 |
| 6931332 | Method and system for testing battery connectivity A method for testing battery connectivity in a battery-backed up system, the method includes inducing a step increase in a battery bus voltage, and monitoring a magnitude of a corresponding current pulse of a battery charge due to the step increase in the battery bu... | 08/16/2005 |
| 6914346 | Automobile vehicle door locking assembly and process for testing correct operation of a lock module of this assembly An automobile vehicle door locking assembly, intended to be fitted in a vehicle door, of the type including an electric lock module incorporating, first, an electronic board providing an interface connecting the lock module to a main electrical power supply and to a... | 07/05/2005 |
| 6909201 | Dual voltage architecture for automotive electrical systems A dual voltage automotive electrical system includes a generator for generating a first nominal voltage on a first voltage bus and a bi-directional DC/DC converter for converting the first nominal voltage to a second nominal voltage on a second voltage bus, the seco... | 06/21/2005 |
| 6853164 | Bandgap reference circuit A bandgap reference circuit and method of using the same are provided. The bandgap reference circuit may provide start-up requirements at substantially any voltage and at substantially any temperature. The circuit comprises an op amp (two stages of transistors) and ... | 02/08/2005 |
| 6838856 | Apparatus and method for high-frequency operation in a battery charger A battery charger includes line-level input rectification, a high-frequency oscillator-controlled chopper circuit, multiple transformers operating in parallel, and controlled output rectification. Use of line-level input rectification reorders the elements of the ba... | 01/04/2005 |
