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Power supply

Subclass of:

455 - Telecommunications

455073000 - TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER)

455550100 - Radiotelephone equipment detail

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
455574000 Power conservation 202
455573000 Battery charging 100
Entries
DocumentTitleDate
20120184338INTEGRATED REPEATERS FOR CELL PHONE APPLICATIONS - A wireless power receiving system for a mobile electronic device that includes a high-Q repeater resonator comprising at least an inductor and a capacitor and having a Q-factor Q1. The inductor of the repeater resonator is enclosed in a removable sleeve of the mobile electronic. The system also includes a high-Q device resonator comprising at least an inductor and a capacitor and having a Q-factor Q2. The device resonator is integrated in the mobile device and electrically connected to the mobile electronic device, and the square root of the product Q1 and Q2 is greater than 100.07-19-2012
20100130263SYSTEM AND METHOD FOR DUAL POWER SOURCE MANAGEMENT - A system and method for providing power to a mobile device from two power sources. According to embodiments described herein, a mobile device, such as a cell phone, may include a main battery and an auxiliary battery. The mobile device includes a power management circuit that utilizes a charge-control circuit and a power-selection circuit for implementing a power-management schema. The charge-control circuit may exclusively couple the main battery or the auxiliary battery to an external power source for charging. The power-selection circuit may exclusively couple the main battery or the auxiliary battery for providing power to the mobile device. The system further includes a controller that controls the coupling of the main battery and the auxiliary battery such that if the main battery falls below a sufficient voltage level, the auxiliary battery may be immediately engaged without interruption of the operation of the mobile device.05-27-2010
20100093407BATTERY PACK AND INFORMATION PROCESSING APPARATUS - A battery pack is provided which includes an antenna coil for generating a magnetic field, a battery cell and a positive pole terminal and a negative pole terminal electrically connected with the battery cell, wherein a resultant of superimposing current from the battery cell or current to the battery cell and a signal from the antenna coil or a signal to the battery is sent from the positive pole terminal or the negative pole terminal, or received from the positive pole terminal or the negative pole terminal.04-15-2010
20090124297MOBILE PHONE AND COMMUNICATION METHOD OF THE SAME - A mobile phone is designed for sending predetermined messages to the owner's relatives and friends according to phone numbers recorded therein after the mobile phone is stolen. The mobile phone includes a memory, a communication module, and a microprocessor. The memory is for storing phone numbers and predetermined messages. The communication module is for sending information wirelessly. The microprocessor is for reading the phones numbers and sending the predetermined messages according to the phone numbers when the mobile phone is stolen. A communication method used by the mobile phone is also provided.05-14-2009
20130045779Clock Signal Multiplication to Reduce Noise Coupled onto a Transmission Communication Signal of a Communications Device - A communications device is disclosed that implements a phase-locked-loop to multiply a clock signal provided to a power management unit (PMU) by a variable integer value. Multiplying the PMU clock signal provides a second clock signal where the second clock signal is characterized by a fundamental component with one or more harmonics of the fundamental component that differ from the fundamental component and the one or more harmonics of the PMU clock signal. The fundamental component with one or more harmonics of the second clock signal does not occupy the same communication channel as the transmission communication signal of the communications device. Thus, minimizing the degradation of the transmission communication signal.02-21-2013
20130053112ON-CHIP POWER MANAGEMENT FOR A MOBILE COMMUNICATION DEVICE AND METHOD FOR USE THEREWITH - A voice data and RF integrated circuit (IC) includes a memory module that stores a least one application as a plurality of operational instructions, the at least one application having a plurality of power modes that each correspond to one of a plurality of use characteristics. A processing module executes the plurality of operational instructions and that determines a selected one of the plurality of power modes based on current use characteristics of the at least one application, and generates a power mode signal based on the selected one of the plurality of power modes. An on-chip power management circuit receives the power mode signal and that generates a plurality of power supply signals based on the power mode signal.02-28-2013
20130053111SEMICONDUCTOR DEVICE, RADIO COMMUNICATION TERMINAL USING THE SAME, AND CONTROL METHOD - A communication terminal according to one aspect of the present invention includes a baseband LSI that performs baseband processing for communication, an application LSI that includes a vocoder function and performs processing according to an application, an audio LSI that performs one of D/A conversion and A/D conversion on audio data, and a switch circuit that is installed in the application LSI and connects a data path between the audio processor LSI and the baseband LSI.02-28-2013
20090312070PORTABLE ELECTRONIC DEVICE - A portable electronic device includes an enclosure, at least one pressure monitor, a battery, a working component, and a power management module. The at least one pressure monitor is used for detecting a pressure value from the surroundings and generating a detecting signal when the detected pressure value is larger than or equal to a predetermined pressure value. The battery supplies electrical power to the working component. The power management module manages the battery to supply electrical power to the working component and cuts off electrical power from the battery to the working component when receiving the detecting signal.12-17-2009
20090305747APPARATUS FOR FILTERING A REFERENCE VOLTAGE AND MOBILE PHONES COMPRISING SUCH APPARATUS - Apparatus (12-10-2009
20090270136PORTABLE ELECTRONIC DEVICE - A portable electronic device includes a main casing having a battery-receiving groove for receiving a battery therein, and two aligned resilient abutting tongues flanking the battery-receiving groove. A cover is mounted removably on the main casing for covering the battery-receiving groove. Two anchoring members are mounted rotatably on the cover, extends into the main casing, and is operable so as to switch between a releasing state, where the abutting tongues are spaced respectively apart from the battery, and a clamping state, where the abutting tongues are pressed respectively against the battery.10-29-2009
20090270137RADIO FREQUENCY COMMUNICATIONS CIRCUITRY WITH POWER SUPPLY VOLTAGE AND GAIN CONTROL - Portable electronic devices are provided with wireless circuitry. The wireless circuitry may include one or more sets of radio-frequency power amplifiers. The radio-frequency power amplifiers are used to amplify radio-frequency signals that are transmitted by the portable electronic devices. Each power amplifier may have multiple gain mode settings. Gain stages within the power amplifiers may be selectively enabled in accordance with the gain mode settings. When a higher level of gain is required, all of the gain stages may be enabled. When a lower level of gain is required, some of the gain stages may be disabled to conserve power. An adjustable power supply may be used to provide an adjustable power supply voltage to the power amplifiers. The adjustable power supply voltage can be reduced when it is desired to minimize power consumption at a particular gain mode setting. Gain mode and power supply settings may be adjusted simultaneously.10-29-2009
20080293455ENERGY SOURCE COMMUNICATION EMPLOYING SLOT ANTENNA - The invention relates to a wireless communication device that is coupled to an energy source, such as a battery, capacitor, or solar cell. The wireless communication device is coupled to an antenna of the energy source for wireless communication. The antenna receives communication signals from an interrogation reader or other communication device. The wireless communication device may be attached to a device or container for purposes such as communicating information regarding identification, manufacturing, tracking, and the like. The wireless communication device may also be coupled to the energy source for power.11-27-2008
20100056228AUTHORIZATION STATUS FOR SMART BATTERY USED IN MOBILE COMMUNICATION DEVICE - A mobile communication device is capable of communicating with a battery authorization server. Determining an authorization status of a smart battery currently powering the mobile communication device involves an initial authorization process and a subsequent authorization process. The initial authorization process is conducted between the mobile communication device and the smart battery. If the initial authorization process is successful, it is followed by a subsequent authorization process between the mobile communication device and the battery authorization server.03-04-2010
20100113105TRANSMIT POWER MEASUREMENT AND CONTROL METHODS AND APPARATUS - Embodiments include methods and apparatus for performing transmit power control. A gain application element receives a sequence of digital input samples and a digital gain signal, and combines the digital gain signal with the digital input samples to generate a sequence of gain-compensated digital samples. A power amplifier receives and amplifies an analog version of the gain-compensated digital samples in order to generate an antenna output signal. A feedback path generates an analog feedback signal from the antenna output signal, produces a sequence of digital feedback samples from the analog feedback signal, and generates difference values based on the digital feedback samples. When a specified type of constant modulus symbol is represented in the antenna output symbol, the feedback path accumulates the difference values into an accumulated error value, and produces the digital gain signal from the accumulated error value.05-06-2010
20110269512PORTABLE COMMUNICATION APPARATUS - A battery pack has a case for storing a battery can, and a metal plane made of a conductive material and connected to the battery can in high frequency is provided on the outer circumference plane of the case. A mounting recessed part for removably mounting the battery pack is provided, and a printed circuit board is provided inside. In the mounting recessed part, a plurality of grounding terminals are electrically connected to a grounding layer of the printed circuit board, on an inner plane to which the metal plane of the battery pack abuts. When the battery pack is mounted in the mounting recessed part, electricity is carried between the metal plane and the grounding terminals, and the metal plane and the battery can are grounded to the grounding layer of the printed circuit board in high frequency.11-03-2011
20080293454COMMUNICATION APPARATUS - A communication apparatus for performing a communication with other communication apparatus by using identification information, includes a housing, a plurality of grounding terminals which are respectively connected to one ends of internal grounding lines provided within the housing for connecting to an external grounding line outside the housing, a grounding line connection detection section which detects a grounding terminal connected to the external grounding line among the plurality of grounding terminals, and an identification information setting section which sets the identification information based on a detection result of the grounding line connection detection section.11-27-2008
20110201391MOBILE COMMUNICATION DEVICE EMPLOYING POWER PACK WITH MULTIPLE PAIRS OF TAPS - A mobile communication device has a power amplifier and a power pack. The power pack includes a charge storage component, a first pair of taps connected to the charge storage component for supplying power to components of the mobile communication device and a second pair of taps connected to the charge storage component for supplying power to the power amplifier, the second pair of taps located, when the power is installed in the mobile communication device, more proximate to the power amplifier than the first pair of taps. With the second pair of taps positioned more proximate to the power amplifier, the power amplifier current loop that includes the multi-tap power pack may be made smaller. One benefit of a smaller power amplifier current loop may be reduced emission of RF interference signals.08-18-2011
20100120475WIRELESS COMMUNICATION APPARATUS AND POWER-SUPPLY APPARATUS - A wireless communication apparatus includes a power-supply apparatus configured to supply electric power to a load that is intermittently operated by using a battery as a power supply; and a control unit configured to control the power-supply apparatus, wherein the power-supply apparatus includes a capacitor; a switching unit capable of selectively forming a first path through which charging is performed from the battery to the capacitor and a second path through which the battery is connected in series with the capacitor, and wherein the control unit controls the switching unit so that the first path is formed during a period in which the load is idle and the second path is formed during a period in which the load is not idle, and thereby supplies the voltage of the sum of the battery voltage and the charged voltage of the capacitor in a non-idle period.05-13-2010
20100081483Shield for use with a computing device that receives an inductive signal transmission - Embodiments described herein include a computing device that is capable of inductive signal transfer with other computing devices. Such computing devices are provided a shield that protects the device and other components from electromagnetic interference and unwanted electrical affects resulting from the inductive signal transfer.04-01-2010
20090264163SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE, AND NON-CONTACT TYPE IC CARD AND PROTABLE INFORMATION TERMINAL USING THE SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - The present invention provides a semiconductor integrated circuit device and a non-contact type IC card and a portable information terminal which uses the semiconductor integrated circuit device. The semiconductor integrated circuit device includes antenna terminals LA, LB which are connected to an antenna L10-22-2009
20090264162AUTO-CONTROL OF RADIATION POWER IN A PORTABLE TELECOMMUNICATION SYSTEM - A portable telecommunications system (PTS) allows mobility and rapid deployment with minimal on-site configuration. PTS systems exchange multicast packets including location and identification information. A protocol manager sets up these communications channels, manages exchanges between PTS systems, and passes the data to or from internal system nodes. The PTS system detects when another PTS system is operating in close physical proximity and automatically perform actions, such as adjustment of transmission power level, to maintain service to the user base.10-22-2009
20110269511Method and Arrangement in a Wireless Communication System - The present invention relates to a method and arrangements in a radio base station for turning off the output power for a frequency carrier of a cell. The radio base station is configured to use at least two different modulation schemes. Each of the modulation schemes requires a different output power spectrum density for the frequency carrier. The method in the radio base station comprises reducing (11-03-2011
20090275367Method of Optimizing Power Consumption in A Wireless Device - A method and apparatus are provided for operating a wireless communication device. The method includes the steps of providing a plurality of battery powered modules that are carried by a user and together operate as the wireless communication module (ensemble), detecting a battery reserve power level of a first module of the plurality of modules and transferring a processing function from the first module to a second module of the plurality of modules based upon the detected battery reserve power.11-05-2009
20100144402SEMICONDUCTOR INTEGRATED CIRCUIT, NONCONTACT/CONTACT ELECTRONICS DEVICE USING THE SAME AND MOBILE TERMINAL - The semiconductor integrated circuit includes: a pair of antenna terminals; a rectifier; a source-voltage terminal; a shunt regulator; a series regulator. When the voltage of the inside source line rises to or above a first set voltage, the shunt regulator passes a pull-down current through a pull-down transistor. When the voltage of the inside source line drops to or below the second set voltage, the series regulator passes a pull-up current through a pull-up transistor. The first set voltage is set to be higher than the second set voltage in voltage level. With the semiconductor integrated circuit, the competition of actions of the two regulators is prevented. The semiconductor integrated circuit is arranged to work in contact and noncontact operation modes, and a stable source voltage can be supplied to an internal circuit thereof.06-10-2010
20120295669VOLTAGE INDICATING CIRCUIT FOR MOBILE PHONE BATTERY - The present invention discloses voltage indicating circuit for mobile phone battery, comprising: a battery, a mobile phone baseband module and a battery voltage detection module, wherein power input terminals of the mobile phone baseband module and battery voltage detection module are coupled with an anode of the battery, and a detection signal output terminal of the battery voltage detection module is coupled with a communication terminal of the mobile phone baseband module; the battery voltage detection module detects an output voltage of the anode of the battery and outputs a mobile phone battery voltage detection signal to the mobile phone baseband module through the detection signal output terminal; and the mobile phone baseband module receives the mobile phone battery voltage detection signal through the communication terminal and indicates a voltage of the battery according to the mobile phone battery voltage detection signal.11-22-2012
20120295670POWER CONSUMPTION MANAGEMENT IN A MIMO TRANSCEIVER AND METHOD FOR USE THEREWITH - A mobile communication device includes a first wireless transceiver that receives a first inbound RF signal and that transmits a first outbound RF signal based on a first power supply signal. A second wireless transceiver receives a second inbound RF signal and that transmits a second outbound RF signal based on a second power supply signal. A processing module generates at least one power mode signal based on first transmit power control data received via the first inbound RF signal. A power management circuit adjusts a first power consumption parameter of the first power supply signal and a second power consumption parameter of the second power supply signal based on the at least one power mode signal.11-22-2012
20080274772INDUSTRIAL PROCESS FIELD DEVICE WITH IMPROVED BATTERY ASSEMBLY - An industrial process field device is provided. The device includes wireless process field device electronics disposed within the industrial process field device and at least one battery cell disposed within the industrial process field device and operably coupled to the wireless process field device electronics. A circuit is provided that senses an electrical characteristic related to the at least one cell and provides an output to a switch to decouple the at least one cell from the industrial process field device electronics in response to certain conditions. Such conditions include too much current flowing from the at least one cell; the voltage of the at least one cell being too low; or a short circuit being generated or otherwise observed.11-06-2008
20100248794METHOD AND ELECTRONIC DEVICE CAPABLE OF SAVING POWER - A method and an electronic device capable of saving power are disclosed. The electronic device includes a power save system, a media player application and an audio interface. The audio interface includes an audio driver module, and an audio processor. The power save system includes a monitor unit, and a control unit. The monitor unit monitors the current mode of the media player application. If the media player application is in the mute mode, the control unit transmits a power-save signal to switch off the audio processor to save power of the electronic device.09-30-2010
20080234008Radio-frequency telephone set - A radio-frequency telephone set including (a) a powered antenna element having a power supply portion, and (b) a substrate having a dielectric layer, a first conductive layer formed on one of opposite surfaces of the dielectric layer, and a second conductive layer formed on the other of said opposite surfaces, wherein the first conductive layer includes a conductive pattern having opposite end portions one of which is electrically connected to the power supply portion, and further having a land electrode electrically connected to the other end portion, and the second conductive layer includes a ground electrode and a conductor-free portion defined by said ground electrode, the land electrode and the conductor-free portion at least partially overlapping each other as viewed in a direction perpendicular to the plane of the dielectric layer.09-25-2008
20080268915Mobile Telephone, Transmission Power Control Method, And Program - The present invention provides a mobile phone having a control mechanism for controlling transmission power according to changes in various environmental conditions. A mobile phone for performing transmission at a transmission frequency of an assigned channel, the mobile phone comprising: a temperature detecting unit operable to detect a temperature in the mobile phone; a correction value specifying unit operable to specify a correction value for correcting transmission power, according to the temperature detected by the temperature detecting unit and the transmission frequency; and a control unit operable to control the transmission power based on the correction value specified by the correction value specifying unit.10-30-2008
20110207508MOBILE TERMINAL DEVICE - An object of the present invention is to provide a mobile terminal device capable of utilizing a conductive portion further more effectively. A cellular telephone device includes: a key switch, of which electrical state changes depending on an operation on an operation unit; a CPU that is connected to the key switch, and detects an operation on the operation unit based on change in the electrical state of the key switch; a power supply unit that is electrically connected to the key switch; and an RF circuit unit that is connected to the power supply unit, and processes a signal resonated by the key switch.08-25-2011
20090124298MOBILE PHONE TERMINAL AND COMMUNICATION SYSTEM - Disclosed is a mobile phone terminal with a battery pack containing a retraceable battery as power supply, and transmitting and receiving radio-signals to and from a mobile phone system base transceiver station. The mobile phone terminal includes a data communication terminal communicating data with the battery pack, an intermittent receiving processor periodically carrying out intermittent receiving processing via the base transceiver station when the mobile phone terminal is in a standby operation, and a battery status determining unit transmitting, while the intermittent receiving processor is carrying out intermittent receiving processing, an activating signal to the battery pack via the data communication terminal and reading battery status data from the activated battery pack.05-14-2009
20090143113 PORTABLE CELL PHONE AND A PROXIMITY REGULATION SYSTEM FOR USE WITH A PORTABLE CELL PHONE - Proximity regulation systems for use with a portable cell phone and portable cell phones are disclosed. In one embodiment, a portable cell phone includes a proximity regulation system having a location sensing subsystem configured to determine a location of a portable cell phone proximate a user by determining a mode of operation of the portable cell phone. A power governing subsystem is coupled to the location sensing subsystem and configured to determine a proximity transmit power level of the portable cell phone based on the location.06-04-2009
20090137287PORTABLE ELECTRONIC DEVICE HAVING SOLAR CELL MODULE - A portable electronic device includes a main body and a solar cell module. The main body has electric components. The solar cell module is mountedin the main body. The solar cell module is configured for supplying electric energy to the electric components of the main body. The solar cell module includes a solar cell, a cell cover and a light diverging lens. The solar cell has a light-absorbing surface. The cell cover faces the light-absorbing surface. The cell cover defines a through hole therein. The light diverging lens is engaged in the through hole. The light diverging lens faces toward the light-absorbing surface and is configured for diverging light transmitted therethrough.05-28-2009
20100004035SYSTEM AND METHOD FOR PERFORMING AN ABBREVIATED POWER-UP SEQUENCE ON A WIRELESS COMMUNICATIONS DEVICE - A system and method for powering-up a wireless communications device may include (i) powering-up the wireless communications device using a standard power-up sequence in response to a request for a standard power-up sequence by a user, and (ii) powering-up the wireless communications device using an abbreviated power-up sequence in response to a request for an emergency message to be communicated by the user.01-07-2010
20090143111PORTABLE RADIO AND BATTERY PACK CONFIGURATION - A portable radio and battery pack configuration favoring higher available transmit power in explosive atmosphere applications includes a radio device (06-04-2009
20090143112Battery and mobile communication apparatus including the same - The invention discloses a battery configured in a mobile communication apparatus. The battery comprises a contacting portion and a connecting portion. The contacting portion comprises a plurality of first conductive terminals for electrically contacting to an information component. The connecting portion comprises a plurality of second conductive terminals for electrically contacting to the mobile communication apparatus, wherein at least one part of the second conductive terminals connects to the first conductive terminals to enable the information component to transmit a signal to the mobile communication apparatus through the first conductive terminals and the at least one part of the second conductive terminals. Accordingly, the mobile communication apparatus and the information component are protected from damage, and the thickness of the mobile communication apparatus will not be limited by the information component connector.06-04-2009
20080318642COMMUNICATION APPARATUS AND COMMUNICATION METHOD - A communication apparatus includes: a battery; a battery level detecting unit which detects a remaining battery level of the battery; a transmitting unit which transmits data; a wait time setting unit which determines an upper limit value from a minimum upper limit value to a maximum upper limit value for a random number generation range, generates a random number up to the upper limit value, and sets a wait time for transmitting the data on the basis of the random number; and a control unit which sets the minimum and maximum upper limit value for the random number generation range on the wait time setting unit. The control unit sets at least one of the minimum and maximum upper limit value in a different manner from a normal control time in case that the control unit receives data indicating that the remaining battery level is detected to be low.12-25-2008
20090061952MOBILE DEVICE AND POWER CONTROL METHOD THEREOF - A power control method of a mobile device includes the following steps. First, a power management module receives an externally triggered power control signal and accordingly generates an interrupt request (IRQ) at a first time point. Next, a processing unit receives the IRQ and accordingly executes a synchronization processing procedure. A file system timely stores data from a temporary cache area to a permanent storing area according to the synchronization processing procedure. Furthermore, a calculating unit calculates a first time period between a present time point and the first time point and determines whether the calculating unit reaches a maximum waiting period. When the maximum waiting period is reached, the power management module performs a power operation according to the power control signal.03-05-2009
20090061953MOBILE TERMINAL AND METHOD FOR CONTROLLING POWER THEREOF - A mobile terminal and a method for controlling power thereof are provided. The method includes determining, if a power on/off key for turning off power is input, whether a quick power off mode is selected, converting, if a quick power off mode is selected, a power mode of a controller and of a storage unit of the mobile terminal into a power save mode and turning off power to components of the mobile terminal other than the controller and storage unit. Accordingly, a user can reduce the time required for turning on and off power of the mobile terminal. Also, the user can control power of the mobile terminal according to circumstances.03-05-2009
20090117949Low Battery Warning Service for Wireless Device Users - A low battery warning service is provided to a user of a wireless device capable of monitoring the voltage level of its internal battery and sending a low battery notification message. The messages are received at a service provider that maintains subscriber profiles associated with a subscriber's wireless device. When a low battery notification message is received, a wireless device identifier in the notification message is used to access a notification list included in a stored subscriber profile. Notification list entries are selected based on their assigned priorities and the existence or absence of conditions of use, permitting low battery notifications to be sent to target systems on the notification list until an acceptable response is received or the notification list is exhausted.05-07-2009
20090209299ELECTRONIC DEVICE PROVIDED WITH A BATTERY UNIT - An electronic device includes a printed circuit board having a first ground contact and a second ground contact; an antenna unit having a ground contact end coupled to the first ground contact of the printed circuit board; and a battery unit. The battery unit includes a cell body, a cell cover having an internal surface defining a first chamber for confining the cell body therein and an external surface defining a second chamber that projects from the first chamber. The cell cover is connected electrically to the second ground contact of the printed circuit board. A protection printed circuit board is contained within the second chamber in such a manner to electrically connect with the cell cover. An electric coupler interconnects the protection printed circuit board to the first ground contact of the printed circuit board.08-20-2009
20080261662Mobile telecommunications device - An arrangement and technique for providing an educated indication of battery consumption for any particular mobile terminal usage type. This allows the user to be provided with an accurate indication of the battery life remaining for the current usage type and also the battery life that is remaining for any other possible use of the mobile terminal. The mobile terminal preferably uses historical and/or statistical profiling for the different usage types to provide a meaningful indication of remaining battery life for at least one different usage type at any one time. In particular, the indication preferably includes a time representation that is specific to a usage type. The different usage types may include mobile television, game playing and voice calls.10-23-2008
20120077551HIGH-VOLTAGE TOLERANT VOLTAGE REGULATOR - Circuits and methodologies related to high-voltage tolerant regulators are disclosed. In some implementations, a voltage regulator can be configured to be capable of being in a regulating state and a bypass state. In the regulating state, an input voltage greater than a selected value can be regulated so as to yield a desired output voltage such as a substantially constant voltage. In the bypass state, an input voltage at or less than the selected value can be regulated so as to yield an output voltage that substantially tracks the input voltage. Such a capability of switching between two modes can provide advantageous features such as reducing the likelihood of damage in a powered circuit due to high input voltage, and extending the operating duration of a power source such as a rechargeable battery. Also disclosed are examples of how the foregoing features can be implemented in different products and methods of operation and fabrication.03-29-2012
20090221332Wireless Communication Device - The invention relates to a wireless communication device comprising an electrically operated radio module for wireless communication by receiving and/or transmitting communication signals in a transmitting and/or receiving mode; an electrically operated processor unit for controlling wireless communication via the radio module; a motion sensor for detecting movements and/or accelerations of the communication device, wherein the motion sensor outputs at least one detection signal to the processor unit in the event of the occurrence of movements and/or accelerations of a predetermined magnitude, wherein the processor unit is coupled to the motion sensor and the radio module in such a manner that it occasionally. puts the radio module into the transmitting and/or receiving mode when outputting the at least one detection signal of the motion sensor.09-03-2009
20090239590Uplink Scheduling in a Cellular System - A method for use in a wireless cellular access system, according to which users in a cell in the system receive one or more transmission power control commands on a control channel, where the transmission power control commands comprise an identifier for the intended user or users, said identifier being either an identifier for a specific user or for a group of users. A user disregards one or more predefined control commands if the identifier of the control command is for a group of users in which said user is included.09-24-2009
20100016032MOBILE WIRELESS COMMUNICATIONS DEVICE WITH SEPARATE IN-PHASE AND QUADRATURE POWER AMPLIFICATION - A mobile wireless communications device includes a housing an antenna, and radio frequency (RF) circuitry. A transceiver is connected to the antenna and a processor is operative with the RF circuitry. The transceiver includes an In-phase and Quadrature (I/Q) Modulation and Power Amplification circuit having an In-phase (I) circuit with a modulator mixer and power amplifier circuit. A Quadrature (Q) circuit includes a modulator mixer and power amplifier circuit. A power combiner receives the separately amplified In-phase and Quadrature signals and sums and outputs the signals as a combined I and Q signal. The I and Q circuits are isolated from the combined I and Q signal to enhance antenna matching and transmitted radiated power (TRP) and reduce harmonic emission from the power amplification circuits.01-21-2010
20090098914METHOD AND SYSTEM FOR ENABLING OR DISABLING FEATURES BASED ON A BATTERY LEVEL THRESHOLD - A method and apparatus for enabling or disabling a feature based on a battery level threshold, the method including: checking a battery level; determining whether the battery level is above or below a predetermined threshold for the feature; and enabling or disabling the feature based on the result of the determining step. Further, a method and server application for enabling or disabling a feature based on a battery level threshold, the method including: obtaining a battery level at a server application; comparing the battery level with a preconfigured threshold for the feature; and modifying data or a data type to be sent to the mobile device based on the result of the comparing step.04-16-2009
20100216521Method and Apparatus for Dynamic Battery Management Control in a Mobile Communication Device - In accordance with the teachings described herein, systems and methods are provided for downloading battery data to a mobile communication device. A system for downloading battery data to a mobile communication device may include a mobile communication device and a data server. The mobile communication device may be configured to monitor a battery operating condition and to receive a battery profile, the battery profile including battery data for use by the mobile communication device to calculate battery status information. The data server may be used for storing battery data, the data server being configured to receive the battery operating condition from the mobile communication device and, based on the battery operating condition, send the battery profile to the mobile communication device.08-26-2010
20100159999ELECTRONIC POWER SUPPLY CIRCUIT - An electronic power supply circuit for a load composed of at least two independent circuit branches connected in parallel to each other, where a first branch requires a different power supply voltage from the power supply voltage of a second branch. The circuit includes a step-up converter, a timer circuit connected to the step-up converter so that the converter generates, alternately, at least a first output voltage able to power the first circuit branch and a second output voltage able to power a second circuit branch, a regulation circuit able to regulate the overvoltages at the ends of an output capacitor of the converter during commutations between the different output voltages; and a commutation circuit able to activate the step-up converter, according to the timer signals coming from the timer circuit, when the output voltage at the ends of the output capacitor has reached the level needed to power the activated branch and regulate the current flowing thereto.06-24-2010
20100216520Wireless communication device and antenna module thereof - A antenna module comprises various different single-band miniature antennas respectively coupled to and hid inside individual batteries, and each antenna shares original terminals of the individual battery; the antenna module is allowed to use the terminals to electrically connect to a main body of a wireless communication device to enable the individual antenna module to receive signals in a different frequency range and the wireless communication device to be unnecessary to be disposed with various different single-band antennas. Whereby, space for original disposition of various different single-band antennas can be saved for the disposition of other components.08-26-2010
20100216522CELL PHONE BATTERY SYSTEM WITH BACK-UP RESERVE - The invention relates to a cell phone battery pack and a method of providing backup battery power to a cell phone. The cell phone battery pack is configured to be positioned within a cell phone. The battery pack includes a first battery, a second battery and a means to allow switching between the first battery and the second battery for powering the cell phone. The first battery and the second battery may differ in one or both of size and capacity.08-26-2010
20100227653INTEGRATED SWITCH-MODE POWER SUPPLY AND LINEAR REGULATOR - A power supply includes a switching voltage regulator, and a linear voltage regulator coupled electrically in series with the switching voltage regulator. The switching voltage regulator includes a first input for receiving a DC input signal, a semiconductor switching stage coupled to the first input and configured to provide a first DC voltage signal from the received DC input signal. The magnitude of the first DC voltage signal is less than the received DC input signal. The linear voltage regulator includes a semiconductor current pass stage coupled to the output of the semiconductor switching stage and configured to provide a constant second DC output voltage signal from the first DC voltage signal. The voltage regulators are implemented together within a common integrated circuit housing.09-09-2010
20100240419Mobile Terminal and Functional Operation Control Method of the Same - A mobile terminal includes: a battery supplying electric power; a voltage detection portion which detects the voltage of the battery; a function activation control portion which activates a predetermined function at a preset time; and a warning portion which, in reference to a predicted battery voltage at the preset time calculated by subtracting a predicted value of reduced voltage based on a consumed current until the preset time from a detected voltage detected by the voltage detection portion, raises a waning if the predicted battery voltage is smaller than the minimum voltage that is necessary for activating the predetermined function by the function activation control portion.09-23-2010
20100160000INDUCTIVE POWERING FOR A MOBILE COMMUNICATION DEVICE AND METHOD FOR USE THEREWITH - A power status signal is received in an integrated circuit that indicates an inductive power status of an off-chip inductive power module and a battery power status of a battery. A power mode is selected based on the at least one power status signal. A power mode signal is generated based on the selected power mode. A power supply signal is generated and adjusted in response to the power mode signal.06-24-2010
20100197366INTERFACE AND COMMUNICATION PROTOCOL FOR A MOBILE DEVICE WITH A SMART BATTERY - Various embodiments are described herein for a mobile communication device that utilizes a smart battery. The mobile device includes a main processor for controlling the operation of the mobile communication device. The smart battery is coupled to the main processor and provides supply power. The smart battery includes a battery processor for controlling the operation of the smart battery and communicating with the main processor, and a battery module having one or more batteries for providing the supply power. A battery interface is provided for coupling between the main processor and the battery processor for providing communication therebetween. The battery interface comprises a data communication line and protection circuitry for protecting the main processor from electrostatic discharge. A communication protocol is also provided for communication between the main processor and the battery processor.08-05-2010
20100197367INTERFACE AND COMMUNICATION PROTOCOL FOR A MOBILE DEVICE WITH A SMART BATTERY - Various embodiments are described herein for a mobile communication device that utilizes a smart battery. The mobile device includes a main processor for controlling the operation of the mobile communication device. The smart battery is coupled to the main processor and provides supply power. The smart battery includes a battery processor for controlling the operation of the smart battery and communicating with the main processor, and a battery module having one or more batteries for providing the supply power. A battery interface is provided for coupling between the main processor and the battery processor for providing communication therebetween. The battery interface comprises a data communication line and protection circuitry for protecting the main processor from electrostatic discharge. A communication protocol is also provided for communication between the main processor and the battery processor.08-05-2010
20100197364Apparatus controllable by mobile phone for power management - An apparatus controllable by a mobile phone for power management is provided. A processor controller is adapted to instruct a GSM/CDMA wireless module to send a short text message in the form of SMS to a mobile phone user who is at a remote location and is in charge of the management of a predetermined facility equipped with the via an antenna and a mobile network if power outage occurs. The mobile phone user is capable of sending a short text message in the form of SMS to the processor controller via the antenna and the GSM/CDMA wireless module to shut down the processor controller.08-05-2010
20090221331BATTERY INTERFACE ASSEMBLY FOR A COMMUNICATION DEVICE - A battery interface assembly for a communication device (09-03-2009
20090111531Method and apparatus for transferring electrical power in an electronic device - A short-range wireless power transmission scheme is used between two movably or detachably coupled device parts in an electronic device. In a device, such as a foldable or slidable mobile phone, both device parts have some electronic components that require electronic power but only one part has a power source. For example, a phone cover has a display but there is no power source in the phone cover. A receiver can be implemented in the cover to receive microwaves from a transmitter in the phone body. The receiver and the transmitter can be arranged such that, the antennas are placed as close to each other as possible in order to achieve best efficiency of energy and data transfer. If one pair of antenna is not enough, multiple antennas or antenna arrays can be used for this purpose. Different antenna pairs can be configurable for different purposes.04-30-2009
20100178961MOBILE DEVICE WITH A SMART BATTERY - Various embodiments are described for a mobile communication device having a main processor for controlling the operation of the mobile communication device; a device memory coupled to the main processor for storing a plurality of battery information profiles; and a smart battery coupled to the main processor for providing supply power. The smart battery includes a battery processor for controlling the operation of the smart battery and communicating with the main processor; and a battery memory coupled to the battery processor for storing a Battery ID indicating the model of the smart battery. The main processor is configured to communicate with the battery processor to obtain the Battery ID and select one the battery information profiles based on the Battery ID.07-15-2010
20110244929CAPACITOR POWERED MOBILE ELECTRONIC DEVICE - A battery driven mobile communication device drawing a base current with periodic high current pulses during transmission. The current pulses may be larger than the current level which the device's battery can supply. The device uses a switched mode power supply with an output capacitor sufficiently large to provide the high current pulses when demanded by the load, without its voltage falling below that necessary to operate the device. This power supply provides the average current drawn by the load, and maintains the capacitor's charge. When the load demands a current pulse, that excess current is drawn from the capacitor, which begins to discharge. Once each pulse is completed, the battery continues to provide the lower baseline current of the device, and at the same time tops up the capacitor to replace the charge used during the pulse. The battery may be a low cost primary battery.10-06-2011
20110086679METHODS AND APPARATUS FOR SCALING TRANSMIT POWER OF SIGNALS IN WIRELESS COMMUNICATIONS - Methods and apparatus of varying transmit power of signals for increasing system throughput and spectral reuse in an unlicensed spectrum are disclosed. One method includes transmitting from a first mobile device to a second mobile device a request to send (RTS) signal having a first transmit data power level based on a channel gain between the first mobile device and the second mobile device, receiving, at the first mobile device, a clear to send (CTS) signal from the second mobile device, and transmitting data at the first transmit data power level from the first mobile device to the second mobile device.04-14-2011
20090312071DEVICES FOR CONTROLLING AMPLICATION OF A SIGNAL EMITTED BY A MOBILE - Radiocommunication terminals are disclosed. A radiocommunication terminal includes a power supply, a power amplifier configured to receive and amplify a signal using power drawn from the power supply, and a control unit configured to control the power amplifier to amplify the signal by an amount of amplification based on a requested amount of amplification and a level of a voltage provided on an output terminal of the power supply.12-17-2009
20090312069PORTABLE ELECTRONIC DEVICE WITH BROADCAST ANTENNA - The present invention is related to a portable electronic device with broadcast antenna at least including a main body having a battery accommodating space; a cover having a battery area corresponding to the battery accommodating space of the main body, wherein the shape and size of the cover are adapted to cover the battery accommodating space and the cover is separablely assembled with the corresponding outer edge of the battery accommodating space of the main body; and a broadcast antenna, disposed on the inner surface of the cover other than the battery area for unidirectionally receiving broadcasting signals in a first frequency band.12-17-2009
20080242368BATTERY AND BATTERY LOCKING UNIT OF MOBILE TERMINAL - In a battery locking unit of a mobile terminal capable of increasing space usability of a terminal body and simplifying battery detachment operation by installing a battery locking unit on a cover, the locking unit consists of a battery installed at the rear of a terminal body; a cover attached/detached to/from the rear of the rear body by a sliding method and protecting the battery; and a locking unit installed at a certain side of the cover, locking the cover to the terminal body by restricting the sliding movement of the cover and releasing the locking of the cover by a pressing operation of a user.10-02-2008
20110136549SYSTEM, METHOD AND DEVICE FOR MAINTAINING A COMMUNICATION SESSION SUSPENDED FOR SERVICING OF POWER SUPPLY - Systems, methods and programmed instructions are disclosed useful for maintaining a communication session previously established between a first telephony device and at least one second telephony device while a power supply of the first telephony device is serviced.06-09-2011
20100323766METHOD AND APPARATUS FOR INTRINSICALLY SAFE OPERATION OF A COMMUNICATION DEVICE - An intrinsic safety approach is provided for a battery powered communication device. Sparking is prevented at radio contacts during attachment and removal of a battery (12-23-2010
20100120474COMMUNICATION APPARATUS, COMMUNICATION CONTROL METHOD, AND COMMUNICATION CONTROL PROGRAM - A communication apparatus capable of controlling the power supply of an amplifier for amplifying the power of a carrier wave, maintaining the output level of the carrier wave constant by the open-close state of the communication apparatus, and performing stable communication is provided. It is judged that the communication apparatus is in an open state or in a closed state. If the communication apparatus is in the closed state, the power supply of a power amplifier (05-13-2010
20100210319CELLULAR PHONE - A cellular phone includes a telephone line communication part, a telephone functional part for making a telephone call via the telephone line communication part, an entry qualification holding part for holding fixed-term entry qualification information in which an entry target is specified, which is received via the telephone line communication part, and an entry communication part for transmitting the fixed-term entry qualification information held by the entry qualification holding part.08-19-2010
20120309467ELECTRONIC DEVICE - An electronic device includes: a battery configured to supply electric power; a display unit configured to continually display remaining battery capacity based on battery capacity; a plurality of regions provided regarding the remaining capacity indication; and a plurality of continual functions corresponding to the respective regions. Proportional constants of the remaining capacity indication corresponding to the battery capacities of the respective regions are changed by the corresponding functions.12-06-2012
20100022284Power Level of Transmitted Control Channel Symbol - Channel estimation accuracy is improved by adjusting the power level of a physical control channel allocated to a receiver based on the transmission rate and/or transport format of a corresponding physical data channel allocated to the same receiver. The physical control channel may be a DPCCH, E-DPCCH or other type of physical control channel allocated to a receiver for facilitating uplink or downlink communication. Regardless, the control channel power level is optimized for channel estimation as a function of data transmission rate and/or transport format. In one embodiment, control channel symbols are transmitted for use in channel estimation by adjusting the power level of a physical control channel allocated to a receiver based on the transmission rate and/or transport format of a physical data channel allocated to the receiver (01-28-2010
20090088225POWER CONTROL APPARATUS IN MOBILE TERMINAL - An apparatus for controlling power of a mobile terminal is provided. The apparatus includes a power conversion for providing a ground connection during a time interval if a power value is input for testing the mobile terminal and a power control unit having one terminal for controlling the power of the mobile terminal wherein, if the given power value is grounded during the time interval and a voltage level required to control power of the mobile terminal changes, the power control unit turns on power to the mobile terminal.04-02-2009
20080280656Power management unit (PMU) sequencer - A technique to use a power management unit (PMU) sequencer to control switching of a plurality of functional modules between two or more power modes. The PMU sequencer sequences through a hierarchical order of turn-on and turn-off sequences based on dependencies established for each of the functional modules. In addition to the dependencies, turn-on and turn-off delay times are established for each of the functional modules.11-13-2008
20100167797PORTABLE TERMINAL, PORTABLE APPARATUS AND SUPPLY POWER CONTROL METHOD - The cellular phone 07-01-2010
20100210318MOBILE WIRELESS COMMUNICATIONS DEVICE INCLUDING A SELF-CONTAINED RECHARGEABLE BATTERY PACK WITH FILTER AND RELATED METHODS - A mobile wireless communications device may include a portable device housing, wireless communications circuitry carried by the portable device housing, and a self-contained rechargeable battery pack carried by the portable housing for powering the wireless communications circuitry. The self-contained rechargeable battery pack may include a battery casing, at least one internal battery cell carried within the battery casing, internal battery circuitry carried within the battery casing, and at least one internal filter element carried within the battery casing and coupled to the internal battery circuitry.08-19-2010
20110165919RADIOTELEPHONE MODULE AND DEVICES CONTAINING SAME - A radiotelephone module (07-07-2011
20100197365ERROR VECTOR MAGNITUDE CONTROL WITHIN A LINEAR TRANSMITTER - In a portable radio transceiver, such as a mobile wireless telephone, conditions indicative of transmitter distortion (as represented by error vector magnitude (EVM)) are sensed, and transmitted RF power is adjusted in response, so as to reduce distortion and decrease EVM. The conditions can include high VSWR or a combination of high VSWR and low battery power.08-05-2010
20120122526SELECTIVE BATTERY POWER MANAGEMENT - A method, programmed medium and system are disclosed which provide for user-controlled management of power requirements for mobile devices. The system enables the user to determine and adjust power settings according to time-related goals set by the end user. The end user, in one example, may specify a goal in hours, minutes or a predetermined date/time and the power management function displays, for example, various combinations of power-down options on specific system devices which can be implemented to achieve power availability for the specified amount of time. The user is enabled to select which of the displayed combination power-down option schemes to implement in order to best suit the user's application requirements during the time frame in which the power-saving scheme will be implemented in order to maximize power-saving while still providing optimum functionality for the user's particular application.05-17-2012
20120231855CONNECTING TERMINAL AND MOBILE TERMINAL HAVING THE SAME - A mobile terminal including a main body having an accommodating chamber; a circuit board mounted at the main body; and connecting terminals disposed on the circuit board to be electrically connected to a battery having terminals. Further, when the battery is mounted in the accommodation chamber, the connecting terminals are pressed by the battery terminals to be elastically deformed. In addition, each of the connecting terminals includes a base portion electrically connected to the circuit board; an elastic portion having a first section extending from the base portion and a second section curved from the first section to have an inclination; and first and second contact portions extending from the second section to be contactable with the battery terminals.09-13-2012
20120214557Mobile Terminal and Shutdown Device and Method Thereof - The present invention relates to mobile terminal technologies and describes a mobile terminal and shutdown device and a method thereof, the shutdown device comprising a power on-off key and a time delay circuit, and the shutdown device further comprising a first inductor and a first MOS tube that is connected with the main control chip; wherein the time delay circuit is used to adjust device parameters by setting a delay time. If the power on-off key is pressed for longer than the delay time, the first inductor controls the first MOS tube to cut off the connection with the main control chip, thereby shutting down. According to the present invention, a time delay circuit is provided, a delay time is set via the time delay circuit, and when the key is pressed for longer than the delay time, the connection with the main control chip BB is cut off, which, in turn, cuts off the output of a HOLD signal and thus shuts down PMU. When a mobile terminal is frozen, it can be shut down by simply pressing the key for a long period with no need to take apart the battery.08-23-2012
20120214556Method and Apparatus for Solar Cell Light Concentrator Panel - In accordance with an example embodiment of the present invention, an apparatus is disclosed. The apparatus includes a photovoltaic cell and a sheet shaped member. The sheet shaped member has a surface and an edge. The surface is proximate an exterior portion of the apparatus. The photovoltaic cell is at the edge of the sheet shaped member. The sheet shaped member forms a light guide configured to collect light incident on the light guide. The light guide is configured to concentrate the light at the photovoltaic cell.08-23-2012
20100291975ELECTRONIC DEVICE WITH DATA-RATE-DEPENDENT POWER AMPLIFIER BIAS - Wireless circuitry in an electronic device may contain output power amplifier circuitry for amplifying transmitted radio-frequency signals. The power amplifier circuitry may be powered using a bias voltage. The magnitude of the bias voltage can be selectively reduced to conserve power. Control circuitry can maintain a table of bias voltage settings to use under various conditions. These conditions may include required output powers as determined by link quality, transmission mode status, and required data rates. When link quality is low or when high data rates are required, the bias voltage can be maintained at a relatively high level to ensure that the power amplifier operates linearly and does not exhibit excessive noise. When link quality is high or when data rates are low as with voice calls, the bias voltage can be reduced to conserve power.11-18-2010
20120220350Method and Apparatus for Dynamic Battery Management Control in a Mobile Communication Device - Systems and methods are provided for downloading battery data to a mobile communication device. A system for downloading battery data to a mobile communication device may include a mobile communication device and a data server. The mobile communication device may be configured to monitor a battery operating condition and to receive a battery profile, the battery profile including battery data for use by the mobile communication device to calculate battery status information. The data server may be used for storing battery data, the data server being configured to receive the battery operating condition from the mobile communication device and, based on the battery operating condition, send the battery profile to the mobile communication device.08-30-2012
20120315959MOBILE DEVICE WITH A SMART BATTERY HAVING A BATTERY INFORMATION PROFILE CORRESPONDING TO A COMMUNICATION STANDARD - Various embodiments are described for a mobile communication device having a main processor for controlling the operation of the mobile communication device; a device memory coupled to the main processor for storing a plurality of battery information profiles; and a smart battery coupled to the main processor for providing supply power. The smart battery includes a battery processor for controlling the operation of the smart battery and communicating with the main processor; and a battery memory coupled to the battery processor for storing a Battery ID indicating the model of the smart battery. The main processor is configured to communicate with the battery processor to obtain the Battery ID and select one the battery information profiles based on the Battery ID.12-13-2012
20110124382MOBILE PHONE - Disclosed is a mobile phone that includes a body having a base layer formed on one surface thereof and a dye-sensitized solar cell mounted on one surface of the body to face the base layer and providing electricity to the body. The dye-sensitized solar cell includes a first transparent substrate, a first electrode, a second electrode, a light absorption layer, a catalytic layer, an electrolyte and a second substrate, and the base layer forms a background against a pattern formed by a dye such that the pattern can be identified when viewed from the outside.05-26-2011
20080300026METHOD AND SYSTEM FOR HARNESSING PROCESSOR POWER OF MOBILE DEVICES - A system for utilizing the processing power of a mobile device. It is determined whether an energy source within the mobile device is recharging. In response to determining that the energy source within the mobile device is recharging, it is determined whether the mobile device is sending or receiving transmissions. In response to determining that the mobile device is not sending or receiving transmissions, a task is requested from a server via a network. In response to receiving the task from the server, the task is routed to a processor of the mobile device to process the task and return a task result. Then, the task result is sent to the server via the network.12-04-2008
20120322513INTERFACE AND COMMUNICATION PROTOCOL FOR A MOBILE DEVICE WITH A SMART BATTERY - Various embodiments are described herein for a mobile communication device that utilizes a smart battery. The mobile device includes a main processor for controlling the operation of the mobile communication device. The smart battery is coupled to the main processor and provides supply power. The smart battery includes a battery processor for controlling the operation of the smart battery and communicating with the main processor, and a battery module having one or more batteries for providing the supply power. A battery interface is provided for coupling between the main processor and the battery processor for providing communication therebetween. The battery interface comprises a data communication line and protection circuitry for protecting the main processor from electrostatic discharge. A communication protocol is also provided for communication between the main processor and the battery processor.12-20-2012
20120094728ATTACHABLE BATTERY PACK FOR INTELLIGENT CELL PHONE - An attachable battery pack having battery body with a pivoted clamp for detachably fastened to one end of an intelligent cell phone (iPhone or Google phone) for charging the built-in battery of the intelligent cell phone and for the purpose of screen protection.04-19-2012
20120329531MOBILE TERMINAL - A mobile terminal is disclosed. The present invention includes a front case, a rear case mounted to the front case, a controller provided between the front case and the rear case, a power supply provided in the rear case and a cover member provided on the rear case, the cover member comprising an insulating layer configured to oppose the power supply and a conductive layer located on the insulating layer such that the conductive layer is externally exposed, wherein the conductive layer is electrically connected to the controller for wireless communication.12-27-2012
20090131121BATTERY UTILIZING SYSTEM - In the battery utilizing system of the present invention, a battery supplying power to a portable terminal includes a memory which stores at least one content and an output permission condition indicating a condition for permitting output of the content, and the portable terminal includes a determining section which determines, on the basis of the output permission condition of the content stored in the memory, whether or not to permit to output the content; and an outputting section which outputs the content which is determined the determining section as a permission of outputting. Therefore, in outputting a content stored in the battery, out of all contents stored in the battery, only a content whose output is permitted is reproduced in the portable terminal, and hence, a necessary content only is reproduced in this battery utilizing system.05-21-2009
20100167798RADIO TRANSMISSION APPARATUS AND RADIO TRANSMISSION METHOD - A radio transmission apparatus according to the present invention detects an output current of a power supply section that varies in response to a variation of the output impedance of an amplification section, and corrects a distortion of the input/output characteristic of the amplification section by using an LUT corresponding to the detected output current. In addition, a threshold used for switching an LUT is caused to be different depending on a switching direction between LUTs, thereby suppressing frequent occurrence of switching of the LUT.07-01-2010
20100130264METHOD AND SYSTEM FOR COMMUNICATION OF DIFFERENT MODULATION FORMATS FROM A WIRELESS STATION IN A WIRELESS SYSTEM - A method and system for wireless communication in a wireless station including a transceiver with multiple antennas, is provided. In one implementation, the wireless station performs multiple modulation communication by multiplexing different signal carrier modulation formats by antenna cross polarization multiplexing, including mapping the modulation formats to multiple antenna cross polarization branches. Communication power is allocated for each polarization branch by selectively distributing power to each of the polarized antennas based on at least one of: application data rate requirements, communication link quality indication (LQI) and delay spread of cross polarized channels. Data is transmitted utilizing the modulation formats simultaneously at the same frequency over multiple cross polarized antennas.05-27-2010
20100130265DEVICE AND METHOD FOR CONTROLLING THE HUMIDIFICATION OF A FUEL CELL - An oxygen/hydrogen fuel cell including a package having, on the side of the cell intended to be exposed to air, an enclosure provided with a mobile cap; an element made of a material which deforms according to the humidity ratio in the package; circuitry for controlling the opening and the closing of the mobile cap; and a switch which opens and closes according to the deformation of said material, said switch being associated with control means.05-27-2010
20120149443CONTACTLESS COMMUNICATION WITH AUTHORIZATION BY HUMAN CONTACT - A transponder comprising a resonant circuit, comprising an antenna and a capacitor, and at least one memory connected to the resonant circuit via an intermediate circuit, characterized in that the intermediate circuit comprises at least one contact zone for receiving a portion of human body, so that the positioning of a portion of human body on a contact zone modifies the intermediate circuit, capable of switching from a first state in which it does not allow the memory to be read and/or written to a second state in which it allows the memory to be read and/or written when the resonant circuit of the transponder is contactlessly powered by a reader.06-14-2012
20080220826Controller and Method for Using a DC-DC Converter in a Mobile Handset - A controller enables the integration of a DC-DC converter in an amplitude modulation power control loop in a mobile handset. The controller includes an input conditioner and an event sensor. The input conditioner uses a peak detector to track the output of a regulator and responds to available baseband input signals. The event sensor controls a switch that connects the DC-DC converter to a battery in response to a bypass event. The controller bypasses the DC-DC-converter when a transmitter is not enabled. The DC-DC converter is enabled prior to a transmission burst. A target voltage is determined from a series of detected peak voltages from the output of the regulator. The controller commands the DC-DC converter to transition to the target voltage until the end of a transmission burst.09-11-2008
20080214248Auxiliary power supply for a cell phone - An auxiliary power is supplied for use on a cell phone in case the power is lost or not available in an emergency. The auxiliary power supply consists of a casing having a spare battery therein. One end of the casing has a plug-in thereon that will fit into the receptacle for the charging cable that is normally used. The battery in the casing will now be instrumental in powering the cell phone. The other end of the casing has a ring attached thereto that can be used to attach the casing to a key chain as a standby in case an emergency arises and the internal power of the cell phone is lost.09-04-2008
20080200218Device and Method For Quality Testing Using a Battery Operated Mobile Phone - In order to mount a mobile phone in a test device, the current between the battery unit and the phone unit is fed through a switch unit. The switch unit contains at least one switch for interrupting the current, e.g. for resetting the mobile phone after malfunction.08-21-2008
20110275421MOBILE WIRELESS COMMUNICATIONS DEVICE WITH AN INTEGRATED BATTERY/ANTENNA AND RELATED METHODS - A mobile wireless communications device may include a portable housing, a cellular transceiver carried by the portable housing, and a battery carried by the portable housing and comprising a pair of electrodes and an electrolyte therebetween. The mobile wireless communications device may further include a wireless communications circuit carried by the portable housing and configured to wirelessly communicate via at least one of the electrodes.11-10-2011
201102754204-in-1 Box Integrating Paperweight, Name Card, Mobile Phone and Charger - A 4-in-1 box integrating paperweight, name card, mobile phone and charger, which is mainly provided with a box body; the box body is provided with a replaceable echelonment baffle that is used to separate it into a semi-open first/second holding space and a confined space; the first and second holding spaces are used to accommodate personal belongings, such as: notepaper, name card and mobile phone, individually or simultaneously; the open end of the first holding space is provided with a curved opening for easier extraction; the confined space is fitted with an IC circuit board and connected with AC power line; a charger adapter is placed into the second holding space, and can be replaced for real-time charging different mobile phones.11-10-2011
20120282981MOBILE COMMUNICATION DEVICE EMPLOYING POWER PACK WITH MULTIPLE PAIRS OF TAPS - A mobile communication device has a power amplifier and a power pack. The power pack includes a charge storage component, a first pair of taps connected to the charge storage component for supplying power to components of the mobile communication device and a second pair of taps connected to the charge storage component for supplying power to the power amplifier, the second pair of taps located, when the power is installed in the mobile communication device, more proximate to the power amplifier than the first pair of taps. With the second pair of taps positioned more proximate to the power amplifier, the power amplifier current loop that includes the multi-tap power pack may be made smaller. One benefit of a smaller power amplifier current loop may be reduced emission of RF interference signals.11-08-2012
20130122970MOBILE COMMUNICATION DEVICE AND WIRELESS COMMUNICATION SIGNAL ADJUSTING METHOD THEREOF - A mobile communication device and a wireless communication signal adjusting method thereof are disclosed. The mobile communication device includes an antenna module, a wireless signal processing module, a sensor module, and a first adjust module. The antenna module is used for transferring the wireless communication signal. The wireless signal processing module is electrically connected to the antenna module via a first match circuit, and used for receiving or transmitting the wireless communication signal. The sensor module is used for sensing a position of a human body, and generating a high voltage signal when the human body is approaching. When the sensor module generates the high voltage signal, the first adjust module is used for controlling the antenna module to further electrically connect a second match circuit and changing a frequency response to reduce the energy of the wireless communication signal.05-16-2013
20110312391MOBILE TERMINAL, METHOD OF PROTECTING BATTERY, AND BATTERY PROTECTION PROGRAM - A mobile terminal apparatus including a battery, a temperature detection section that detects a temperature of the battery, a voltage detection section that detects a battery voltage of the battery, a discharge section discharges the battery, an illuminance detection section that detects an illuminance on the mobile terminal apparatus, and a control section. The control section determines whether to gradually discharge the battery in accordance with the detected illuminance or to rapidly discharge the battery, and the determination is made on the basis of the temperature detected from the temperature detection section and the battery voltage detected from the voltage detection section.12-22-2011
20120021807MOBILE DEVICE WITH A SMART BATTERY HAVING A BATTERY INFORMATION PROFILE CORRESPONDING TO A COMMUNICATION STANDARD - Various embodiments are described for a mobile communication device having a main processor for controlling the operation of the mobile communication device; a device memory coupled to the main processor for storing a plurality of battery information profiles; and a smart battery coupled to the main processor for providing supply power. The smart battery includes a battery processor for controlling the operation of the smart battery and communicating with the main processor; and a battery memory coupled to the battery processor for storing a Battery ID indicating the model of the smart battery. The main processor is configured to communicate with the battery processor to obtain the Battery ID and select one the battery information profiles based on the Battery ID.01-26-2012
20120034957PORTABLE TERMINAL - Provided is a portable terminal including a battery opening extending in a longitudinal direction or a widthwise direction of the portable terminal on a rear surface of the portable terminal, a battery pack inserted into the battery opening in the longitudinal direction or the widthwise direction of the portable terminal, and an antenna module pivotably coupled to the rear surface of the portable terminal to open or close the battery opening. The built-in antenna module can pivot, such that the battery pack can be inserted or ejected in the longitudinal direction or the widthwise direction of the portable terminal.02-09-2012
20120058804CMOS-INVERTER-TYPE FREQUENCY DIVIDER CIRCUIT, AND MOBILE PHONE INCLUDING THE CMOS-INVERTER-TYPE FREQUENCY DIVIDER CIRCUIT - The present invention provides a CMOS-inverter-type frequency divider circuit that can further reduce power consumption.03-08-2012
20130210501BATTERY EXTERNAL CONNECTION DEVICE FOR USE WITH MOBILE PHONE AND FLIP COVER HAVING THE DEVICE - A flip cover applying to a mobile phone and having a battery external connection device includes a front unit and a rear unit connected to the front unit and is characterized by: an ultra-thin rechargeable battery; the front unit having therein a sandwich space for accommodating and thereby storing the ultra-thin rechargeable battery; the rear unit having thereon a battery external connection device and functioning as a back cover of the mobile phone to substitute for an original back cover of the mobile phone; a battery external connection device including a first electrical connection terminal and a second electrical connection terminal which are electrically connected to a positive pole and a negative pole of the ultra-thin rechargeable battery, respectively.08-15-2013

Patent applications in class Power supply

Patent applications in all subclasses Power supply