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Match Document Document Title
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...
7389089 Methods to remotely control a wireless unit  
Methods for remote control of a wireless unit such as remote power-on and remote power-off. An authorized user may send a power-on communication to a remote wireless unit. The power-on...
7383057 Cyclic transmit power adjustment scheme  
The present invention provides cyclic power changing patterns for transmissions in different sectors of a cellular system. The cyclic power changing patterns define unique patterns in which...
7369815 Power collapse for a wireless terminal  
An integrated circuit for a modem processor includes processing units that are partitioned into “always-on” and “collapsible” power domains. An always-on power domain is powered on at all...
7356360 Radio communication system  
The present invention provides a radio communication system in which not only a communication unit operating in a slave mode but also a communication unit operating in a master mode can be changed...
7356316 Wireless communication system  
A sleep length calculation unit 410 of a terminal calculates a sleep length based on what is contained in a PLCP header of a frame, and sets the calculated length on a timer 430 . An address...
7353007 Digital transmission circuit and method providing selectable power consumption via multiple weighted drive slices  
A digital transmission circuit and method providing selectable power consumption via multiple weighted driver slices improves the flexibility of an interface while reducing transmitter power...
7349712 Communications system with transmitting power control and method for the same  
One power control means 14 controls a transmitting power according to a control command to a mobile terminal which accesses one task when radio communication is performed with the mobile...
7343175 Peak current control in wireless network interface devices  
Methods of and apparatuses for varying and controlling the effective series resistance (ESR) of a power supply rail configured to transmit power from a power supply of a host device to a wireless...
7333785 Power management for wireless peripheral device with force feedback  
A wireless human interface device configured to establish a link with a host, wherein the device includes a transceiver for transmitting data to and receiving data from a host transceiver unit,...
7333783 Mobile device with manually operated power source  
A mobile device with a manually operated power source which generates power sufficient to operate the device when shaken by a user. A cable connected between the power source and mobile device...
7324800 Wake-up system with passive correlators  
Disclosed is a wake-up system with passive correlators, adopted to wireless transmission/reception devices such as remote controllers, mobile communication terminals, etc. The wake-up system...
7321752 Linear amplification arrangement with non-linear amplifier element for a mobile radio device  
A system and method to optimize the efficiency of an amplifier device is provided by the including a non-linear amplifier in a mobile radio device. A phase displaced signal in relation to the input...
7308281 Optimal two-leg histeresys for power control and phy mode switching control in adaptive phy mode systems  
In radio transmission systems with point-to-point and point-to-multipoint topology a master station and one or several terminal stations are defined as well as a downstream channel from the master...
7298288 Automatic adjustment of bubble up rate  
A method of operating an RF communicator adapted for an automatic meter reading (AMR) system includes maintaining the communicator in a low-power standby mode and automatically responding to...
7289778 Power circuit and communication device provided with same  
A power circuit in a battery powered portable communication terminal, having a battery and a transmission power amplifier for TDMA (Time Division Multiple Access) or TDD (Time Division Duplex)...
7283794 Low voltage digital interface  
A system is disclosed for interfacing a wireless communication device baseband module and a radio frequency integrated circuit. The system accepts a control signal from the baseband module. The...
7281144 Power management in communication devices  
Actual power savings achieved by using a power savings mode in a communications device may be increased by analyzing the effects of the power savings mode on delays and using the analysis on which...
7266349 Multi-mode crystal oscillator  
In one embodiment of the present invention, two crystal oscillator circuits are coupled in parallel to provide differing performance according to mode. Generally, a first circuit provides low phase...
7260106 Method and apparatus for managing energy usage of processors while executing protocol state machines  
A method and apparatus of implementing protocol state machines that conserve energy on energy conscious devices is disclosed. Under this method, most of the energy consuming protocol state machine...
7249271 Data transfer control device and electronic instrument  
A data transfer control device includes an OUT-transfer transmitter circuit which transmits OUT data by driving a serial signal line, a clock-transfer transmitter circuit which transmits a clock...
7248846 Feedforward amplifier and radio communication apparatus with the amplifier  
An amplifier comprises a first amplifier circuit which amplifies a first signal to output an amplified first signal, a circuit which outputs a second signal corresponding to a difference between...
7245888 Phone energy management for low battery voltages  
The present invention provides a power supply arrangement with a DC-to-DC converter ( 10 ) for providing at least one supply voltage to a load ( 20, 30, 40 ) from an energy source ( 11 ). The...
7242971 Power saving method for mobile communication terminal  
A power saving method for a mobile telephone is disclosed that can increase the useful life of a battery charge by temporarily turning off non-essential telephone functions not required for call...
7231235 Wireless communication terminals  
The audio input system ( 6 ) of a terminal, such as a mobile telephone, is powered up during the standby mode, either with the paging channel or any other short duration channel such as a...
7221915 Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture  
The invention relates to a system for electromagnetic processing of an input wave involving receiving a modified signal derived from two or more signals that represent the input wave when combined;...
7212104 Power consumption protocol  
Low power consumption protocol A telemetry unit ( 100 ) is provided for mounting inside a pneumatic tire, which includes a piezoelectric element ( 114 ) supported in a housing ( 112 ), with an...
7209720 Multiband and multimode transmitter and method  
A multiband and multimode transmitter circuit ( 200 ) includes two separate oscillators, such as at least a first oscillator circuit ( 60 ), a second oscillator circuit ( 62 ), a corresponding...
7194261 Method and apparatus for facilitating data transmissions  
An access point ( 11 ) for a wireless local area network ( 10 ) transmits a beacon message during a service interval period ( 21 ). This beacon message identifies, in a preferred embodiment, those...
7187954 Semiconductor integrated circuit for radio communication  
A semiconductor integrated circuit for radio communication includes a receiving-system high frequency block, a receiving-system voice band block, a transmitting-system voice band block, a...
7184798 Power conservation system and method  
A power management circuit is arranged to apply power to and remove power from its own oscillator to conserve power. A power-on reset circuit provides a power-on-reset signal to a state machine....
7184791 Methods, receivers, and computer program products for determining transmission power control commands using biased interpretation  
Methods, receivers, and computer program products for defining asymmetric decision regions of a symbol space to interpret transmitted power control commands are disclosed. A method of determining...
7178043 Power consumption control method and information processing device  
A controller reads a current value from a current sensor at regular intervals and calculates the average power consumption (Pavg) for a specified length of time (T). When the average power...
7173987 Analog front end circuit  
The present invention relates to an analog front end circuit which is preferably used for taking out an image signal from a charge coupled device, that is used as image pickup means in an...
7162279 Portable communication device having dynamic power management control and method therefor  
Briefly, in accordance with one embodiment of the invention, a portable communication device includes two processors. A power management controller may be adapted to alter an operational...
7162214 Energy-saving method for the wireless reception of data modulated on a carrier signal  
An energy-saving method for wireless reception of data modulated on a carrier signal is carried out in a receiver circuit including a first group and a second group of circuit elements. The first...
7155262 Wireless access point software system  
A system and method is provided that provides a mobile communication device with the ability to quickly reestablish a communication session with another after the communication device is awaken...
7149556 Method and apparatus for optimized battery life and authentication in contactless technology  
A radio frequency (RF) device for authorizing user access to portions of a computer system. The RF device includes a power supply, processing circuitry that accesses the power supply according to a...
7136666 Control of the transmission power of a CDMA based system  
A new and significantly improved approach for controlling the transmission power in the uplink direction of a CDMA-based radio system is disclosed, which provides a transmission power control even...
7130668 Method and system for controlling sleep mode in broadband wireless access communication system  
A method and a system is disclosed for controlling a sleep mode in broadband wireless access communication system. The subscriber terminals are managed by grouping the subscriber terminals in a...
7127220 Apparatus and method to monitor and control power  
An apparatus to monitor and control power is disclosed. The apparatus may include a detector unit to detect a forward power and a reflected power. The apparatus may also include a control unit to...
7127219 Transmitter  
An input signal having an intermediate signal superposed on a DC voltage is applied to a variable attenuation circuit through an amplifier. An output of the variable attenuation circuit is detected...
7120403 Circuit and method for providing an auto-off capability for a wireless transmitter  
The invention is a circuit and method for providing an auto-off capability for a wireless transmitter, of a type having an audio plug which mates with the output jack of an audio source. The...
7113759 Controller area network transceiver having capacitive balancing circuit for improved receiver common-mode rejection  
A controller area network transceiver and a transmission method for a controller area network provides improved symmetry between its differential output signal CANH and CANL such that capacitive...
7113757 Method and its apparatus for increasing output power of the carriers of wide-band multi-carrier base station  
A method and apparatus of increasing output power of a plurality of carriers of a wide-band multi-carrier base station system utilizes gain adjusting coefficients to adjust output amplitude of the...
7106569 Adaptive current limiter for wireless modem  
Method and apparatus for preventing current overdraw by a wireless modem sinking current from a host power supply of a host device (e.g. laptop computer or personal digital assistant (PDA)). The...
7085594 Portable telephone apparatus  
The invention provides a portable telephone apparatus wherein, when a necessary voltage is not obtained from a cell because the cell is removed or consumed, data can be backed up with a simple...
7079859 Best-cell amendment method for amending hysteresis margin according to the degree of congestion  
A best-cell amendment method is disclosed for amending hysteresis margins according to the degree of congestion. A radio network controller (RNC) compares the average value P(k) of transmission...
7076218 Control method and circuit for using a heterojunction bipolar transistor power amplifier in a zero intermediate frequency architecture transmitter  
A method of controlling the power delivered by a heterojunction bipolar transistor power amplifier receiving an input power and delivering an amplified output power in a zero intermediate frequency...
7068974 Beam hopping self addressed packet switched communication system with power gating  
A downlink beam frame signal processing system ( 100 ) for a communication satellite includes a packet switch ( 608 ) that routes self addressed uplink data to a memory ( 804 ). The memory ( 804 )...
Matches 1 - 50 out of 133 1 2 3 >