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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 8190216 | Mobile phone power-saving by usage learning A method for controlling the operation of a mobile phone backlight. The method may include receiving an incoming call. The method may also include receiving a selection from a user in response to receiving the incoming call. The method may include storing informatio... | 05/29/2012 |
| 8185165 | Method and apparatus for adaptive power saving in a mobile computing device A mobile computing device is described that includes one or more wireless transceivers, a data traffic monitor module operative to monitor one or more wireless communications parameters, and a power management module operative to select a power mode for the mobile c... | 05/22/2012 |
| 8180409 | Power management of radio transceiver elements A radio receiver includes a power control module for selectively powering down and powering up radio receiver elements in between known communication periods according to one aspect of the present invention. According to a second aspect of the invention, the radio r... | 05/15/2012 |
| 8180408 | Method and arrangement for reducing power consumption in a mobile communication network The invention relates to a method and an arrangement for reducing power consumption of a receiver in a mobile communication network comprising a sender transmitting packet data on a downlink channel to one or more receivers over a radio interface. Inactive time inst... | 05/15/2012 |
| 8180407 | Automatic reduction of background wireless communication in a media player mode A method and system for conserving battery power in a portable communication device. When a user puts the device into a media player mode such as by invoking a media player application on the device, the device will automatically reduce the extent to which it engage... | 05/15/2012 |
| 8175663 | Radio base station and mobile station Provided is a mobile station UE equipped with a broadcast information generation unit (11) which generates broadcast information containing tag information formed by a plurality of bits. The tag information has a value defined only by a plurality of first bit... | 05/08/2012 |
| 8175662 | System and method for selectively activating a communication device The disclosure provides a system and method for detecting activation of a communication device via passive means. For the system and method, the device comprises a casing for housing a display and a keyboard; a microprocessor controlling aspects of the keyboard and ... | 05/08/2012 |
| 8175661 | Device, system, and method of power saving in wireless network Device, system, and method of power saving in wireless network. For example, a method includes: receiving from a wireless access point a wireless communication signal indicting wireless network load information represented as a value of a parameter in a Basic Servic... | 05/08/2012 |
| 8170626 | Portable electronic device and display control method employed in the same Provided is a portable electronic device which can equalize deterioration of a display device and reduce a deterioration speed, even during a time when a user is performing input operation. When the user is continuously using (operating) keys other than call start a... | 05/01/2012 |
| 8170624 | Enhanced host sleep for WLAN devices In a method and apparatus for controlling operation of a wireless device, a host assembly of the wireless device enters into a handshaking procedure with firmware of the wireless device to initiate entry into or exit from a host sleep mode. Before such entry or exit... | 05/01/2012 |
| 8170625 | Bias filtering module including MOS capacitors A bias filtering module with at least two capacitive levels satisfies both a settle time requirement and a filtering requirement using a voltage dependent filter module whose capacitance is a function of a voltage potential on the filtering circuitry output terminal... | 05/01/2012 |
| 8165644 | Server initiated power mode switching in portable communication devices In a process, a power mode indicator is transmitted from a content server and is received by a Portable Communication Device (PCD). The indicator is indicative of a power mode potentially available to a circuit block in the PCD. The circuit block exhibits different ... | 04/24/2012 |
| 8160656 | Telematics system and method having combined cellular and satellite functionality A vehicle Telematics unit includes a cellular transceiver and a satellite receiver. At least one controller controls the transceiver and the receiver and determines which one to use to communicate with a source of Telematics service. If the transceiver is to be used... | 04/17/2012 |
| 8155712 | Low power very high-data rate device A radio frequency (RF) transmitter has a plurality of digitally controlled phased array antennas coupled to and controlled by the processor to transmit data. The processor is to enable one or more antennas to be turned off during a use of the apparatus to reduce a p... | 04/10/2012 |
| RE43308 | Adjustment of period of real-time slow drift correction of alignment of handset's local oscillator for a cordless telephone A method and apparatus to perform a real-time drift correction of a remote handset's local oscillator in a digital cordless telephone. The remote handset begins in a standby (sniff) mode. The remote handset periodically wakes from a sleep mode and goes into a normal... | 04/10/2012 |
| 8150478 | Uplink power control in aggregated spectrum systems A method for communication includes modulating data in a wireless communication terminal to produce an aggregated-spectrum signal, which includes at least first and second signals in respective first and second spectral bands. The modulated data is transmitted in th... | 04/03/2012 |
| 8150479 | Transmitting fax in mobile networks Fax transmission over a PLMN using a home gateway connected to the originating fax terminal equipment. A call setup request for a fax call destined towards terminating fax terminal equipment is sent. At the originating fax terminal equipment, a reply from the home g... | 04/03/2012 |
| 8150477 | Mobile station and method for providing ultra power-saving mode in mobile station Provided are a mobile station and a method for providing an ultra power-saving mode in a mobile station. The method for providing an ultra power-saving mode in a mobile station includes: inactivating a communication function in a standby mode of the mobile station; ... | 04/03/2012 |
| 8145279 | Method of supporting operation of sleep mode in a wideband radio access system A method of supporting operation of sleep mode in a wideband radio access system is disclosed. More specifically, a mobile subscriber station (MSS) which determines a frame offset information for synchronizing listening windows of at least one MSS that is in sleep m... | 03/27/2012 |
| 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 notification of a periodic ranging time that occurs during a sleep ti... | 03/13/2012 |
| 8135446 | Apparatus and method for maximum power saving in sleep mode An apparatus and method for an improved sleep mode in a mobile terminal are provided. The apparatus includes a transceiver for communicating with a base station, a modem for modulating and demodulating signals for transmission via the transceiver or received via the... | 03/13/2012 |
| 8135443 | Portable device with priority based power savings control and method thereof A portable device includes a controller that is responsive to a remaining power capacity of the battery, and a power consumption level of the portable device and based on user prioritized functional processing capability features, dynamically controls functional pro... | 03/13/2012 |
| 8135444 | Communication device and method for setting device resources A communication device including a memory configured to store a plurality of device resource profiles, wherein each device resource profile specifies device resources of the communication device and is associated with a respective communication connection state of a... | 03/13/2012 |
| 8131324 | Wireless device battery conservation method and system Generally, the present invention provides a method for detecting poor RF conditions, and entering different sleep mode levels or phases in accordance with the RF conditions to save battery power. Mobile device battery life can be conserved when the mobile device det... | 03/06/2012 |
| 8131325 | Method, apparatus and system for battery resource management via traffic steering Battery resources in a wireless device are managed in the present specification by traffic steering. A wireless device is configured to request content from an intermediation server, which is configured to analyze the requested content and send an indication to the ... | 03/06/2012 |
| 8131326 | GPS position tracking method with variable updating rate for power conservation A system and method in which the position update rate is adaptively modified, based on previous position measurements. By adjusting the update rate based on velocity predictions from two or more position fixes, a lower update rate may be used without exceeding the m... | 03/06/2012 |
| 8126517 | Mobile 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 ... | 02/28/2012 |
| 8126518 | Transfer then sleep A second communication device is detected in proximity to a first communication device engaged in a call. A substantially uninterrupted transfer of the call is provided from the first communication device to the second communication device. At least a part of the fi... | 02/28/2012 |
| 8121655 | Method and device for improving battery life of a mobile station A method (150) and device (200) for conserving energy in a power storage device of a mobile station (102, 110), including: selecting (155) an alert mode associated with a mobile station, the alert mode including at least one of: silent al... | 02/21/2012 |
| 8121656 | Mobile apparatus, power saving control method in mobile apparatus, and computer-readable medium A mobile apparatus including: a wireless communication module that receives a signal transmitted via a base station; a display that displays character; an input module that inputs the character or operation data; a first operating mode in which electric power is sup... | 02/21/2012 |
| 8116829 | Radio station and method of operating a radio station A first radio station (100) monitors, either continuously or intermittently, a channel for an indication of a transmitted data packet and measures the quality of the channel. The first radio station (100) transmits indications of the measured quality a... | 02/14/2012 |
| 8116828 | Current consumption controlling apparatus and method in portable terminal A current consumption controlling apparatus and method in a portable terminal are provided. The apparatus includes a first transceiver for outputting a signal indicative of a transmit burst time of a first communication system mode supported by the first transceiver... | 02/14/2012 |
| 8112126 | System and method for changing instant messaging presence of a user profile relative to the active call mode of a communication device The present invention is a method and system for changing the presence of a user profile logged into a communication device on a communications network relative to the active call mode of the communication device. In the first embodiment, the communication device fi... | 02/07/2012 |
| 8112127 | Communication system capable of adjusting power consumed thereby A communication system capable of adjusting power consumed thereby is adapted for receiving connection information. The communication system includes first and second transceiving devices. The first transceiving device includes a transmitting end and a service end f... | 02/07/2012 |
| 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 are retrieved from a memory or other digital storage device for pres... | 01/31/2012 |
| 8103316 | Power management system for a field device on a wireless network A field device includes a power control module, a network interface module that communicates over a wireless network, and a device interface module for operating transducers, such as a sensor or an actuator. The power control module controls distribution of electric... | 01/24/2012 |
| 8103317 | Communication system and communication method A communication system and a communication method for permitting a user of a cell-phone to receive data in a non-service area via an MFP. When the communication condition between a base station and a cell-phone becomes bad, the base station sends a map showing the c... | 01/24/2012 |
| 8103318 | Method and system for recovering from DRX timing de-synchronization in LTEACTIVE A method for recovering from discontinuous reception (DRX) timing de-synchronization between the UE and the eNB in an LTE_ACTIVE state having the steps of: the eNB detecting DRX timing de-synchronization; transmitting an indicator to a User Equipment (UE) to resume ... | 01/24/2012 |
| 8095189 | Device and method for battery life management using global or local positioning system A device includes a memory, a wireless transceiver and a positioning system. The memory stores a first area in which a wireless network lacks coverage. The wireless transceiver is adapted to communicate with the wireless network. The positioning system determines a ... | 01/10/2012 |
| 8090416 | Radio receiver circuit, radio transceiver circuit and calibration method thereof Conventional digital calibration type analog-to-digital converters cannot converge calibration within an preamble period of a packet signal. An analog-to-digital converter is subjected to digital calibration using a beacon signal, a polling signal, or another user s... | 01/03/2012 |
