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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...
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6990362 |
Communication unit energy conservation apparatus and method
A communication unit ( 10 ) can have at least a first receiver ( 11 ) and a second receiver ( 12 ). The latter typically consumes more power than the former during ordinary operation. Pursuant to...
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6985456 |
Method to reduce interference and increase effective capacity of power line networking systems
A method of power control for use in a communications network having plural transceiver communications nodes therein, including, in an initiator node, transmitting a first signal at a first power...
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6985757 |
Smart host power supply detection for PC card wireless modem
Methods of and apparatuses for characterizing the power supplying capabilities of host power supplies providing power to wireless modems. According to an exemplary method, an equivalent series...
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6985758 |
Mobile device power saving
A method is provided for power saving in a mobile device ( 10 ) for use in conjunction with a plurality of beacon devices ( 12, 14, 20 ), together with devices for use in such systems. The mobile...
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6985751 |
Combined open and closed loop power control with differential measurement
A power control system and method for a wireless telephone employs an open loop technique for relatively low power levels and a closed loop technique at higher power levels. In the open loop...
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6980839 |
Apparatus, system and method for use in powering on a remote wireless device
A method, apparatus, and system for use in providing wireless communication while reducing power consumption includes an in-band system and an out-of-band system, wherein the out-of-band system...
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6978163 |
Multi-purpose dongle for wireless headset
Various devices are provided for conveniently storing, transporting and recharging wireless headsets and associated devices. According to some embodiments, a dongle is formed to receive a portion...
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6978161 |
Self-rechargeable portable telephone device with electricity generated by movements made in any direction
A self-rechargeable portable telephone device in which electricity is generated by movements made in any direction, includes an eccentric pendulum transmission device which causes rotation of an...
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6975884 |
Wireless local area network vehicular adapter
A vehicular adapter system is described having wireless local area network (WLAN) capabilities. The adapter system includes an adapter configured to plug into a cigarette lighter socket of a...
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6970690 |
Data processing apparatus and card-sized data processing device
A data processing apparatus and card-sized data processing device that consume less power and operate more reliably. An antenna captures a radio wave sent from an external reader/writer device, and...
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6970725 |
Radio communication device comprising a power extraction unit
The invention relates to a radio device and method for transmitting radio signals including an electrical interface having at least one data terminal for connecting the radio device to an external...
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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 )...
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6965763 |
Event coordination in an electronic device to reduce current drain
A method of coordinating events in a microprocessor-based electronic device having a sleep mode to reduce current drain includes a first step of determining a list of times to perform associated...
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6963763 |
Methods and devices for controlling the connection of power supplies to circuitry within rechargeable devices
The present invention provides a device for connecting a power supply to a rechargeable device, in which a detection unit is adapted to detect power levels of a battery to output a first signal...
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6963765 |
Card-type wireless communication device and wireless communication system incorporating it
A card-type wireless communication device and a wireless communication system incorporating it, designed for low power consumption, comprises the first control block for controlling the first...
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6961592 |
Battery protection circuit
A protection circuit for a cellular telephone battery includes a first memory for storing battery identification data and a second memory associated with the telephone includes data relating to...
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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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6957091 |
Portable multi-band communication device, and a method for determining a charge consumption thereof
A portable multi-band communication device has a power amplifier, a battery for supplying power to the power amplifier, and a controller, which controls an output power level of the communication...
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6957048 |
Switching circuit for charge and discharge of multiple battery systems
Multiple battery systems and switching networks are provided for portable electronic devices. A single switching cell is provided per battery and a load switch coupled to a battery power bus to...
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6957082 |
Electronic device having power saving function and extension unit
When the connector of an electronic card device is mated with the connector of a host device with the main power supply of the host device being turned off, a power supply control unit in the host...
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6954660 |
Data device for cellular telephone and data backup method
A data backup equipment (a charger 12 A) has a charging connection terminal ( 22 ) to be connected to a charging terminal ( 20 ) of a portable telephone ( 10 ) and an information transmission...
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6950683 |
Battery life indication
A method of indicating extant battery life has the steps of initially determining a first extant battery life value having a first confidence level and generating a perceivable indication of the...
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6950320 |
Portable charging apparatus having a charging battery built-in
Disclosed is a portable charging apparatus having a built-in charging battery, which can easily charge the charging battery of a cellular phone even in a place where home AC power or car power...
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6947775 |
System, method, program and storage medium for saving power
The invention relates to power saving in portable terminals ( 100 ) with recording media ( 200 ). Conventionally, there is the problem that a battery ( 104 ) in the portable terminal ( 100 ) may...
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6947776 |
Method for operating a communications network in a power-saving mode
In order to operate a communications network in a power-saving mode, a central processing unit decides, on the basis of activities and/or states, if it is possible to switch network elements to the...
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6947774 |
Variable delta voltage tracking regulator and method therefor
A telematics communication system ( 100 ) receives an input supply voltage (Vin) ( 122 ) from a battery ( 102 ) charged by an alternator ( 101 ) in an automotive vehicle. The telematics...
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6944471 |
Protection method for forward power saturation in CDMA communication system and its power control apparatus
A protection method for forward power saturation in a CDMA communication system and its power control apparatus are provided. The power control apparatus includes a base station (BS) transmitting...
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6941114 |
USB-based wireless transmitting/receiving system
A USB-based wireless transmitting/receiving system includes a transmitting portion connected to at least one USB-based peripheral device for receiving a signal from the peripheral device and a...
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6937874 |
Power control in spread spectrum communications systems
A method for power control in spread spectrum communication systems includes a first step of providing multiplexed registers coupled to a control circuit and controlled by a control signal. A next...
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6931266 |
Cellular phone in which memory is removably installable due to the removability of battery, and battery recharger capable of supporting date write to cellular phone memory
A cellular phone in which a data storage means can be installed while meeting the requirements for a compact and lightweight design, imposed on the cellular phone, different types of batteries are...
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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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6928309 |
Portable communication terminal charger system
When a portable communication terminal is being charged by a charger, a control signal according to a command entered into the charger is fed from the charger to the portable communication terminal...
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6928273 |
Radio transmission apparatus for communication using microwave signal
A level detection circuit detects a signal level of an intermediate frequency signal which is superposed on a DC voltage input from an input terminal and is separately extracted by an input...
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6925310 |
Power calculation method of a radio communication system and an apparatus therefor
A conventional link budget technique has not been fully applicable to a link design of a downlink in CDMA systems, which is now available by using both a power level of a radio channel in question...
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6920341 |
Secondary battery control circuit
A secondary-battery control circuit is provided. The secondary-battery control circuit includes a first path supplying a first load current from one or more secondary batteries connected in series...
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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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6920343 |
Mobile information terminal apparatus
The present invention provides a mobile information terminal apparatus, wherein a power supply terminal formed from a wire having elasticity, in which an electrode contact section is provided...
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6912411 |
External power supply control system for cellular phone
An external power source control system for a portable telephone includes: a regulator 5 connected at an input thereof to a battery power source 1 or an external power source 2 and outputting...
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6912410 |
Communication devices and power packs that include a light source
Communication devices, portable power devices, and power sources for these devices which include a source of illumination. The source of illumination is positioned and of sufficient candlepower to...
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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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6901268 |
Method of supporting power control on supplemental channel in base station
There is provided a method of transmitting power control information to a BSC (Base Station Controller) in a BTS (Base station Transitive System) of a mobile communication system. The BTS receives...
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6901273 |
Method and system for controlling the supply of power to a mobile phone
The present invention relates to a portable telephone, which can be switched on/off by using the touch screen of the portable phone.
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6889055 |
Technique for reducing average power consumption in a wireless communications device
A method and system of reducing average power consumption in a wireless communication device (WCD) that operates in sleep and awake modes during monitoring of a slotted paging channel includes the...
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6885879 |
Battery reconnect system for a telecommunications power system
A telecommunications power system includes a power bus and a battery module with a plurality of batteries. A contactor connects the batteries to the power bus. A distribution module and a plurality...
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6882866 |
Portable information apparatus and information notification method for the same
A portable information apparatus is disclosed which includes detecting section detecting an attached/detached state of the portable information apparatus to a housing portion, deciding section...
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6879809 |
Wireless electrostatic charging and communicating system
The wireless electrostatic charging and communicating system includes an electrostatic reader, an electrostatic charger and an electrostatic rechargeable device or electrostatic transceiver such as...
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6876635 |
Current reduction by receiver linearity adjustment in a communication device
A method for reducing current drain in a communication device includes a step of determining when the communication device is transmitting. A next step includes lowering the current level to the...
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6876872 |
Power control apparatus of a foldable portable mobile terminal
A power control apparatus in a foldable portable radio terminal which includes a main body, a sub-body, a key-pad including a power key on the main body, an external function key which can be...
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6862464 |
Power supply device for radio telephone system
The present invention relates to a power supply device for a radio telephone system which can normally perform radio communication during power failure, by providing power of a battery disposed at...
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