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| Number | Title | Issue Date |
| 8164468 | Rapid charging and power management of a battery-powered fluid analyte meter A system and method is described for rapid charging and power management of a battery for a meter. A charger component is operably associated with the meter and is capable of executing a rapid charge algorithm for a rechargeable battery. The algorithm includes monit... | 04/24/2012 |
| 8164469 | System and method for controlling battery cool-down A method for cooling a battery after a charging phase including the steps of providing a user display, identifying a starting point at which the charging phase of the battery transitions to a cooling phase, when the starting point is identified, instructing the user... | 04/24/2012 |
| 7990276 | Battery identification for battery packs with inter-cell taps A battery charger comprises a first electrical contact that receives a positive contact of an attached battery pack; a second electrical contact that receives a negative contact of the attached battery pack; a plurality of inter-cell electrical contacts that selecti... | 08/02/2011 |
| 7978088 | Device and method to prolong the life of an energy source A wireless communication device (200) and method (300) adapted to prolong the useful life of an energy storage device is disclosed. In its simplest form, it can include: determining (310) a limit temperature discharge energy rate of an energy st... | 07/12/2011 |
| 7554456 | Battery power level inspection device co-constructed with system indicators of notebook computer and inspection method thereof A radio frequency IC tag is provided which is excellent in weatherability, dustproofness, waterproofness, and static protection and capable of making a communication distance long even though each antenna section is made small in configuration. A first antenna equip... | 06/30/2009 |
| 7382270 | Method and apparatus for communication between an electronic device and a connected battery An apparatus supporting both identification of a battery type and communications over an interface between a battery and an electronic device is disclosed. The electronic device includes a processor for communicating with communications circuitry of the battery. Ide... | 06/03/2008 |
| 7376487 | Nesting negotiation for self-mobile devices Disparate robotic devices can be automatically recharged and reprogrammed by self-scheduling individual time slots for the available recharging area(s) of a charging station. These charging stations provide a nest to which each robot must return periodically for pow... | 05/20/2008 |
| 7339485 | Rectifier for supplying double voltage and RFID tag thereof Disclosed is a rectifier for supplying double voltage and an RFID tag thereof. The rectifier includes a charging part for charging an input voltage induced to input ends by a received radio frequency (RF) signal; a power provider for charging a sum voltage correspon... | 03/04/2008 |
| 7259684 | Device and method for extending the lifetime of a battery in a tire pressure sensor A device and method for extending the lifetime of a battery of a tire pressure sensor disposed in a tire are described, in which the battery can be recharged through the valve stem of the tire. The device includes an electrical power source and an electrode adapted ... | 08/21/2007 |
| 7212102 | Device integrated battery backup with power source monitoring and manipulation and public safety communications infrastructure incorporating the same A system for, and method of, providing device integrated battery backup with power source monitoring and manipulation and a public safety communications infrastructure incorporating the system or the method. In one embodiment, the system includes: (1) a power supply... | 05/01/2007 |
| 7176806 | Physical key to facilitate an inactive mode for a state-of-charge indicator within a battery The invention provides a system and battery including a state-of-charge indicator (SOCI) to monitor and display the amount of charge within the battery. The SOCI is capable of operating in a hibernate mode, an active mode, and/or a sleep mode. The battery may be man... | 02/13/2007 |
| 7123155 | Operational mode-based battery monitoring for a battery-powered electronic device A method and an electronic device monitor a battery of the device with respect to device operational mode in one or both of battery charge level monitoring and battery cut-off determination. Mode-based monitoring employs a mode-specific wait period prior to performi... | 10/17/2006 |
| 7116761 | Fiber to the curb and fiber to the neighborhood power architecture A system and method of powering a fiber optic communication network are provided which transmits communication data between a telephone company central office and remote user device. The system includes a power source configured to provide an electrical supply volta... | 10/03/2006 |
| 7023353 | Warning device status circuit including a status output device A warning device including a status and function indicator circuit for indicating the status and function of the warning device. In a visual warning device such as a strobe light, the status and function indicator circuit includes a status output device such as an L... | 04/04/2006 |
| 6980115 | Transmitter having supplemental power source A transmitter (100) incorporates an energy storage device (112) to improve operation at low temperature ranges by preventing a battery voltage from dropping below a nominal value of a PLL (104). A processor (106) in the transmitter (10... | 12/27/2005 |
| 6969928 | Magnetic proximity interface control Disclosed is a system and method employing a magnetic proximity switch to enable the transfer of power between a power supply unit and a docking unit or to transfer data between a docking unit and a peripheral module such as a disk drive or controller module. Power ... | 11/29/2005 |
| 6956487 | Battery charging status indication circuit This invention includes a circuit for displaying charge status to a user. The circuit includes circuitry for comparing a supply or reference voltage to a cell voltage, circuitry for sensing charging current and circuitry for displaying at least one of three charging... | 10/18/2005 |
| 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 |
| 6690171 | Battery capacity detection device and method A battery capacity detection device and the method for the same are disclosed. The charge time for the capacitor in an RC circuit and a lookup table are employed to determine the charge capacity of the battery. The disclosed device uses a microprocessor w... | 02/10/2004 |
| 6373229 | Battery charging system for portable electronic devices A stand-alone battery charger warning system for use with portable electronic devices is disclosed whereby a warning is generated in response to a determination that a) a battery is not presently connected to the charger and b) at least one predetermined ... | 04/16/2002 |
| 6304060 | Status indicator for battery charger Apparatus for indicating multiple operating states of a battery charger is formed by first and second color light emitting circuits coupled to a control circuit and one of the output terminals of the battery charger with first and second sense terminals o... | 10/16/2001 |
| 6181106 | Sequential high-rate charging of battery cells In a preferred embodiment, a sequential high-rate battery charger for charging a battery having a plurality of cell units, the battery charger including a current source; an apparatus to selectively sequentially connect each of the plurality of cell units... | 01/30/2001 |
| 6157316 | Selective call receiver with rechargeable battery A selective call receiver includes a receiver circuit for receiving calling information and message information, a processor for processing the calling information to determine whether the calling information identifies the selective call receiver, a mess... | 12/05/2000 |
| 6133711 | Combination battery charger and battery driven power supply A charging device includes a charging circuit for performing a charging action on a secondary battery, a power supplying circuit for supplying power to a load device connected to the charging device, a mode change-over circuit for selection from between a... | 10/17/2000 |
| 6107802 | Battery pack with monitoring function utilizing association with a battery charging system A battery charging system is provided which is comprised of a battery pack (30) and a charging system (20). The battery pack (30) includes a battery (10) and a battery capacity detect circuit (32). The battery capacity detect circuit (32) is interfaced wi... | 08/22/2000 |
| 6075343 | Rechargeable battery pack module A rechargeable battery pack module includes a battery cell set, a DC-to-DC converter adapted to be connected to one of a portable computer and an AC adapter and operable so as to generate charging current, a safety switch control unit operable so as to pe... | 06/13/2000 |
| 6021332 | Multi-mode radiotelephone having a multiple battery arrangement A radiotelephone (100) includes a main battery (101) and is operable on a first communication system. A supplemental module (102) may be attached to the radiotelephone. The supplemental module may include a second RF communication circuit for communicatin... | 02/01/2000 |
| 5955866 | Car battery charger/tester A car battery charger/tester comprises a casing, an integrated circuit board, an accumulator, two test terminals, a test tip, and an indicator light array for displaying a battery loading state. When a car breaks down, car battery charger/tester allows to... | 09/21/1999 |
| 5889465 | Power service unit with automated dialer and other enhancements A power service unit suited for providing conditioned power to a consuming device at a remote location. The power service unit includes a charger/rectifier, a back-up power supply, together an automated dialer that contacts a central monitor in the event ... | 03/30/1999 |
| 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 in the battery pack, from a positive terminal. The CPU sen... | 02/09/1999 |
| 5795664 | Rechargeable battery system having intelligent temperature control A rechargeable battery system utilizes intelligent temperature control to enhance and optimize battery cell capacity and performance in low and high temperature environments. A temperature varying element (heating and/or cooling) modifies the temperature ... | 08/18/1998 |
| 5767661 | Battery charger An emergency stop warning system for an automobile with a hydraulically operated brake system and that includes an electric power supply, a warning sound emitting electrically operated horn connected with the power supply, a normally open fluid pressure a... | 06/16/1998 |
| 5751217 | Method and apparatus for assessing available battery life in a rechargeable battery Available battery life of a rechargeable battery is assessed and indicated to a user (300). A temporary load is switched onto a fully charged battery (304, 308) and voltage measurements are taken in both unloaded and loaded conditions (306, 310). The batt... | 05/12/1998 |
| 5714870 | Method for measuring suspend-time power consumption in a battery-powered electronic device A method for measuring power consumed by an electronic device while the electronic device is in a suspended condition includes the steps of determining the charge capacity of an electrical energy storage unit both before and after the electronic device is... | 02/03/1998 |
| 5712795 | Power management system A power management system automatically manages the power to operate a biomedical device, such as an infusion pump containing an internal battery. When external power is available, the management system operates the biomedical device from the external pow... | 01/27/1998 |
| 5705912 | Circuit for preventing overdischarge of rechargeable battery pack consisting of a plurality of rechargeable batteries A rechargable battery pack is constituted by not connecting all of the terminals of a plurality of secondary batteries but extracting them outside. A charging circuit is constituted by a dedicated charging circuit which comprises a constant-voltage circui... | 01/06/1998 |
| 5652501 | Voltage sensor for detecting cell voltages A battery charger/monitor circuit for charging and/or monitoring a plurality of series-connected cells, including a voltage sensor for sensing the voltage across each of the cells to provide a high cell voltage signal proportional to the highest voltage a... | 07/29/1997 |
| 5635907 | Location system A location system for tracking miners underground includes a number of identification stations connected to a central control station. Miners are issued with portable identification modules which are fitted to their caplamps and which are powered by their... | 06/03/1997 |
| 5587924 | Automatic system for handling batteries The present invention is related to a battery type determination circuit having a notch filter circuit which notches a frequency noise spectrum to indicate a battery type installed in a battery pack. More specifically, the preferred embodiment of the pres... | 12/24/1996 |
| 5574436 | Smoke detector including an indicator for indicating a missing primary power source which is powered by a substantially nonremovable secondary power source A smoke detector having an audible missing primary power source indicator, capable of indicating the absence of a primary power source powering the detector is provided. A missing power source circuit, including a supplementary power source having an effe... | 11/12/1996 |
