Patent application number | Description | Published |
20080287080 | METHODS OF OPERATING A MOBILE TERMINAL SUCH THAT A COMMUNICATION OPERATION MODE IS CHANGED BASED ON A CURRENT VOLTAGE OF A BATTERY THAT POWERS THE MOBILE TERMINAL AND RELATED MOBILE TERMINALS AND COMPUTER PROGRAM PRODUCTS - A mobile terminal having a plurality of communication operation modes is operated by determining a current communication operation mode of the plurality of communication operation modes of the mobile terminal, determining a current voltage of a battery that powers the mobile terminal, comparing the current voltage of the battery with a battery voltage threshold associated with the current communication operation mode, and changing the current communication operation mode to another one of the plurality of communication operation modes based on the comparison of the current voltage of the battery with the battery voltage threshold associated with the current communication operation mode. | 11-20-2008 |
20090039835 | BATTERY SHORT CIRCUIT MONITORING - A system measures a voltage of a battery of a user device, measures a temperature and an acceleration of the battery if a decrease in battery voltage is measured, and determines whether the battery is functioning properly based on one or more of the measured voltage, temperature, or acceleration of the battery. | 02-12-2009 |
20090102290 | CONDITION ACTIVATED BATTERIES - A system measures a temperature condition of a component of a mobile communication device, determines a battery of the mobile communication device based on the measured temperature condition, activates the determined battery, activates a temperature management device connected to the battery, and manages the measured temperature condition of the component with the temperature management device. | 04-23-2009 |
20100102781 | APPARATUS AND METHOD FOR CHARGING A BATTERY - The present invention relates to an apparatus and method for charging a battery cell according to a charging scheme. The apparatus comprises a power supply and control unit for delivering a charging current to the battery cell according to said scheme, a current monitoring device for monitoring and measuring the charging current, a voltage monitoring device for monitoring and measuring the voltage over the battery cell, a charging terminator devised for terminating the charging of the battery when a predetermined charging criteria is met and a safety timer for starting a predetermined time interval when charging of the battery cell has reached its constant voltage. The predetermined charging criteria is met either when the charging current is falling below a predetermined limit or when the charging current has not decreased a predetermined amount, ΔI, within the predetermined time interval. | 04-29-2010 |
20100219836 | METHOD AND ARRANGEMENT FOR DETERMINING ENERGY SOURCE UNIT STATUS - A method performed by an electronic device may determine a status of an energy source unit indicating performance of the energy source unit residing in the electronic device. The method may include performing a measurement over the energy source unit to produce a measured value that may be compared with a predetermined value, to generate a difference value, and the status of the energy source unit may determined based on the difference value. | 09-02-2010 |
20100255385 | MOBILE ELECTRONIC DEVICE WITH AIR INLET - A mobile electronic device is provided comprising a power supply configured to generate power based on oxygen. The mobile device may comprise an air inlet to supply air and a shutter to close said air inlet in case a sensor detects at least one predetermined gas. | 10-07-2010 |
20110068799 | ACTIVATING BATTERIES BASED ON ENVIRONMENTAL CONDITIONS - A system measures a temperature condition of a component of a mobile communication device, determines a battery of the mobile communication device based on the measured temperature condition, activates the determined battery, activates a temperature management device connected to the battery, and manages the measured temperature condition of the component with the temperature management device. | 03-24-2011 |
20130093399 | METHOD FOR CHARGING A BATTERY BY CURRENT OR TEMPERATURE CONTROL - Method and charging device for charging a battery comprising the steps of introducing a charging current into the battery using a charging device, monitoring a cell temperature of the battery by means of a sensing device, detecting that the cell temperature has reached a given temperature range by comparing the temperature detected to a predefined cell temperature for the battery in a processing unit and instructing a control unit to successively reduce the charging current until the cell temperature reaches a predefined lower limit of the given temperature range. Thereafter, the charging current is maintained at the level at which the predefined lower cell temperature level has been reached. Alternatively, the charging device may use a predefined optimum cell temperature interval to which the current temperature of the cell battery is regulated by regulated the charging current. | 04-18-2013 |
20130214725 | SUPER CHARGER - A charging device, for charging a rechargeable device, which comprises a power converter stage, adapted to convert power from a power source to charge the rechargeable device when the rechargeable device is connected to the charging device, and an energy bank, adapted for fast charging of the rechargeable device. The charging by the energy bank is independent but simultaneous to the charging of the rechargeable device by the power converter stage. | 08-22-2013 |
20140368205 | Electronic Device and Methods Therein - A battery cell is configured to operate in within an electronic device. Determining the status of the battery cell includes using a strain gauge attached to the battery cell. A value of the dimension of the battery cell is established by use of the strain gauge. The status of the battery cell is determined based on the established dimension value compared to a reference value and a threshold related to the dimension of the battery cell. Related methods, devices and/or computer program products are described. | 12-18-2014 |