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8185084 |
Wireless headset having adaptive powering
A system that includes a bus, a battery, core processing circuitry, radio frequency (RF) processing circuitry, first power regulating circuitry, second power regulating circuitry, and control...
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8160655 |
Automatic recharging wireless headset
A wireless headset has a body, an ear clip, and at least two devices for converting at least two different sources of energy into electrical power. The body includes an RF integrated circuit in...
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8135445 |
Periodic ranging in a wireless access system for mobile station in sleep mode
A method of performing a ranging process between a base station and a mobile station in sleep mode in a wireless access system, wherein the base station provides the mobile station with an initial...
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8108013 |
Systems and methods for managing power consumption in a flow-based user experience
Methods and systems are provided for managing electrical power consumption in a mobile phone or other portable communications device having a battery and a display. A series of views forming a flow...
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8050723 |
Portable 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 mounted in the main body. The solar cell module is...
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8024012 |
Intelligent wireless power charging system
A system and methodology for intelligent power management of wirelessly networked devices. The system provides for reliable wireless communication via a wireless power charging method and, a method...
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7983812 |
Method and apparatus for managing battery power in emergency vehicles
A method and apparatus for battery power management in an emergency vehicle having its engine off and warning lights on is disclosed. The method may include monitoring a voltage level of a battery...
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7979048 |
Quasi non-volatile memory for use in a receiver
Image rejection factors are calibrated for a receiver circuit (106) during an initialization period. The image rejection factors are stored in a quasi non-volatile memory (124) associated with the...
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7957775 |
Low battery notification service for wireless device users
A low battery notification 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 warning message. The messages...
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7953459 |
Low power warning in a portable communication device based on predicted device utilization
A system and method for providing a low power warning in a portable communication device based on predicted device utilization. Various aspects of the present invention may comprise monitoring...
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7937119 |
Mobile terminal with TV and radio and power conservation
In a mobile terminal having an automatic startup mode of a television signal receiving function using a timer, startup is properly controlled in consideration of remaining battery capacity to...
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7889688 |
Radio communication apparatus and traffic control method for extending drive-time of battery
A radio communication apparatus has a battery, a transmit buffer for temporarily accumulating packets to be sent, a battery state monitoring unit for monitoring a battery state of the battery, and...
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7769544 |
Autonomous vehicle railroad crossing warning system
An autonomous vehicle collision/crossing warning system provides for simple, inexpensive and decentralized installation, operation and maintenance of a reliable vehicle collision/crossing warning...
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7725138 |
Apparatus for control of in-battery module
An apparatus (100) is provided for powering an in-battery electronic application module (118) without the use of an external on/off switch. A battery pack (102) is electrically coupled to a radio...
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7680479 |
Urgent message apparatus and system
An urgent message apparatus mounted in a vehicle, for transmitting, in an emergency, an urgent message with a backup battery with the use of a low-earth orbit orbiting satellite, detects a current...
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7565181 |
Mobile telecommunications terminal
A mobile telecommunications terminal is provided, which makes possible, so as to use the least possible amount of power, a query of messages present for the mobile telecommunications terminal in a...
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7548767 |
Low power warning in a portable communication device based on predicted device utilization
A system and method for providing a low power warning in a portable communication device based on predicted device utilization. Various aspects of the present invention may comprise monitoring...
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7535119 |
Power control apparatus of a complex terminal
A power control apparatus of a complex terminal is disclosed that includes a DC/DC converter for outputting an auxiliary power supplied from an auxiliary battery after adjusting a level of voltage...
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7536208 |
Low power interference signal code power (ISCP) measurement
An interference signal code power (ISCP) measurement is estimated for a receiver. Signals transmitted in a particular time slot are received and a gain of the received signals is controlled using...
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7493216 |
Accessory-type GPS receiver
An accessory-type GPS (Global Positioning System) receiver comprises a mobile terminal side plug connector, and a cradle/hand-free side receptacle connector disposed substantially opposite thereto....
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7457271 |
Wireless local area network ad-hoc mode for reducing power consumption
A wireless station communicates with at least one other wireless station in a local area network (LAN). A media access control (MAC) device controls transitions between an active mode and a low...
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7454231 |
Portable cellular phone
A portable cellular phone is provided which is capable of minimizing a number of times of processes of reading user data from a user identity module (UIM) card and expansion of user data in an...
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7450909 |
Apparatus and method for signal transmission and reception using downlink channel information in a sleep mode in a BWA communication system
An apparatus and method for transmitting and receiving a signal according to a change of downlink channel information by a mobile station in a broadband wireless access communication system. The...
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7392068 |
Alternative wirefree mobile device power supply method and system with free positioning
The invention provides a power delivery system for a mobile device. The power delivery system includes a contactor device and a plurality of first electrical contacts on the contactor device...
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7363062 |
Enhanced mobility wireless local loop phone
Methods and apparatus for implementing a wireless local loop phone that operates connected to or disconnected from a terminal unit. In one implementation, a phone system includes: a terminal unit...
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7346329 |
Communication system, communication apparatus, and control method
There is provided a communication system, communication apparatus, and control method. A first communication terminal includes message transmission means for transmitting a first or second message...
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7336978 |
Mobile device having an overcurrent cutoff function
A mobile device having an overcurrent cutoff function. In a mobile device having at least one function module, the mobile device includes a main power supply which supplies power to the mobile...
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7181183 |
Telecommunication system incorporating a vanadium redox battery energy storage system
A telecommunication system incorporates a vanadium redox battery energy storage system. The vanadium redox battery energy storage system receives and is charged by DC power. Upon power...
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7158815 |
Apparatus and method for charging a mobile device from another mobile device
An apparatus and method for allowing a mobile device with a dead battery to be charged by another mobile device with a charged battery. The apparatus and method further provide for the prevention...
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7127228 |
Portable electric device with power failure recovery and operation method thereof
A portable electronic device with power failure recovery, powered by a main power source, the device comprising a power detection module, a processor, a timing unit and a power management unit. The...
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7099679 |
Method of saving power by reducing active reception time in standby mode
In some embodiments of the present invention, a signal received by a mobile communication station in standby mode is sampled. The samples are converted to digital samples and stored in a memory....
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7065390 |
Low cost power back-up system for cordless telephone system
A method and system for powering of an electronic apparatus having a base unit and one or more portable units is disclosed. The electronic apparatus can be, for example, a cordless telephone system...
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7024231 |
Booster system in a cellular phone base station
A booster system in a cellular phone base station comprises a plurality of power amplifiers, each of which configured to receive a signal provided by a corresponding transceiver unit that is...
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7020502 |
Transmitter for remote control system
A transmitter has a dummy load circuit. The dummy load circuit is driven prior to writing of a rolling code into a memory. It consumes the amount of power corresponding to the amount of power...
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6999797 |
Handle grip for a mobile terminal
The present invention relates generally to an improved handle grip for a mobile terminal such as a personal digital assistant. More specifically, this invention relates to an improved handle grip...
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6993316 |
Method and apparatus for backup power in a communication system
A digital receiver unit (28) having a backup energy source (214) for use in a vehicle (250) that operates on a primary energy source (216) includes a receiver (203) powered by the primary energy...
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6968218 |
Method and apparatus for electrically coupling digital devices
Apparatus for electrically coupling a first digital device (408) and a second digital device (406) includes an interface circuit at the first digital device coupled at an interface node (230) to...
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6963736 |
Method for receiving a radio frequency (RF) signal and RF receiver
The invention relates generally to a method and an arrangement for receiving a radio frequency (RF) signal and an RF receiver. Particularly the invention relates to controlling and reducing power...
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6959181 |
Transmitter device having means for automatically transmitting data remaining therein upon its re-activation
Data formulated according to a user's request signal is transmitted from a transmitter device to a receiver device under a wireless or a wired system. The transmitter device includes a transmission...
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6952571 |
Digital signal processor update of single channel strength signal
A method and system of periodically measuring the signal strength fluctuations in a wireless connection between a portable computer system and a wireless network. The portable computer system has a...
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6928310 |
Apparatus for supplying power to mobile phone using earphone-microphone connector
An apparatus for supplying power to a mobile phone by utilizing an external power source when a battery of the mobile phone has been exhausted. In a mobile phone having an earphone-microphone...
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6920312 |
RF generating system with fast loop control
An RF generating system operates with high efficiency to supply RF output power to a plasma load. The RF generating system is capable of modulating the RF output power at frequencies up to the...
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6907278 |
Apparatus and method for measuring power usage in a wireless mobile station
A power monitoring device for use in an electronic device that operates in a low power mode from a removable battery module. The power monitoring device comprises a module that attaches to the...
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6847834 |
Mobile terminal with a solar cell
A mobile terminal with a solar cell is disclosed. The mobile terminal has a main body, a battery and a flip cover. A receiver portion, a data display and a keypad are formed on the upper surface of...
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6832107 |
Portable information equipment system
A portable information system having an information registration function achieves reduction in manufacturing cost and power consumption. By connecting portable information equipment (1) and a...
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6668178 |
Battery-backup mechanism for base unit of wireless telephone system
A wireless telephone system comprises one or more wireless handsets and a base unit. Each handset has a handset transceiver and a rechargeable handset battery for powering the handset. The base...
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6636751 |
Emergency power supply for cellular telephone
An electrochemical emergency power supply for a cellular telephone otherwise having a main battery. The emergency power supply, once activated, provides the cellular telephone with power for...
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6480727 |
Using inactivity levels to extend subscriber equipment battery life
A preferred embodiment of the present invention provides a method for extending battery life in a subscriber unit in contact with a system node of a wireless communication network. The method...
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6353747 |
Portable cellular phone base station
When failure occurred to a part of the portable cellular phone base station, the part sends a failure information signal to a control section in order to inform the control section of the...
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6347236 |
Remote wireless unit having reduced power operating mode for a discrete multitone spread spectrum communications system
A remote unit for a personal wireless area network includes a receiver, an AC power supply, a battery-backup power supply and a controller. The battery-backup becomes operative when the AC power...
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