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Patent # Description
US-6,708,031 Session or handoff methods in wireless networks
A new session or handoff procedure is triggered for a mobile station in a communications network having a packet switched network connected to a wireless...
US-6,708,028 Multi-mode radio telephone
A radio telephone capable of being operated in more than one radio telephone system, comprising communication means respectively associated with each of the more...
US-6,707,915 Data transfer verification based on unique ID codes
A method of transferring a data packet from a providing communication terminal to a requesting communication terminal, wherein the requesting communication...
US-6,707,910 Detection of the speech activity of a source
The scope of the present invention is a device for detecting the source of a voice, which device comprises microphone means (2; 2a, 2b, 2M) for receiving a voice...
US-6,707,859 Reception method and receiver using several different transport formats
The invention relates to a receiver and a reception method in a data transmission system wherein a signal to be transmitted can comprise information that is...
US-6,707,855 Digital delta sigma modulator in a fractional-N frequency synthesizer
A digital delta-sigma modulator for controlling a multi-modulus divider in a fractional-N frequency synthesizer features cascaded delta-sigma modulator stages in...
US-6,707,790 Enforceable and efficient service provisioning
A network element is deployed in a network of interconnected elements. The network element includes a shared buffer multiplexer connected to a link, a set of...
US-6,707,764 Portable telephone
A portable telephone assembly comprising first and second portions arranged to be mutually detachably interconnectable is disclosed. The second portion is...
US-6,707,428 Antenna
A broadband antenna comprises a driven element and a parasitic element resonant at different frequencies so that the antenna had a bandwidth encompassing both...
US-6,707,425 Method and system for aligning a point-to-multipoint access terminal
A method and system is directed to aligning a point-to-multipoint access terminal to an access point. The access terminal provides an output signal, including...
US-6,705,529 Data card holder and reader therefor
A holder and reader for two or more data cards for a radio communication device, the holder including a body having formations for releasably carrying the two or...
US-6,704,794 Cell reassembly for packet based networks
A cell processing pipeline is described having a plurality of stages for cell reassembly. The cell has a cell header and a cell payload. One of the stages is...
US-6,704,789 SIM based authentication mechanism for DHCPv4/v6 messages
The invention is a method of providing a user (12) a terminal network address (14) in a first network (16) through which the user communicates with a data...
US-6,704,514 Method of establishing and/or maintaining a wake mode for an electrical installation
The invention concerns a method of establishing and/or maintaining a wake mode in an electrical installation, which in addition to at least one receiving device...
US-6,704,407 Interface for digital telecommunications system
A node (2) and a local exchange (1) communicate with each other over a V5.2 interface created in response to instructions prepared by a computer (22). The method...
US-6,704,368 Coding and modulation method and apparatus for its implementation
For conveying coded digital information in the form of multiple-valued symbols from a transmitter to a receiver, the steps of a) encoding digital information in a...
US-6,704,281 Bit-rate control in a multimedia device
A multimedia terminal comprising: a first encoder (100) for producing a first bit-stream (107) of a first media type and having a first bit-rate; a second...
US-6,704,004 Arrangement for integration of key illumination into keymat of portable electronic devices
An integrated keymat or keyboard to be used on an electronic device. The integrated keymat includes a plurality of individual emissive keypads each having a...
US-D487,438 Handset
US-6,701,161 Multimedia unit
The invention concerns a multimedia unit with a removable operating section (OS) for a vehicle. The multimedia unit controls and operates functional components...
US-6,701,155 Network initialized packet data protocol context activation for multicast/broadcast services
A method is provided to activate a packet data protocol (PDP) context in a cellular network. This may include determining whether users associated with the...
US-6,701,135 Power control in a multi-carrier radio transmitter
A multi-carrier transmitter has combination means for receiving and combining a plurality of carriers including a first modulated carrier for transmission in a...
US-6,701,130 Timing method and arrangement for performing preparatory measurements for interfrequency handover
A method and an arrangement are provided for performing a transition from a continuous communication mode (601, 701, 801) into a combined slotted communication...
US-6,700,980 Method and device for synthesizing a virtual sound source
The invention relates to a method for synthesizing a virtual sound source in a system (40) which comprises at least a right and a left channel for transmitting a...
US-6,700,926 Method and apparatus providing bit-to-symbol mapping for space-time codes
A method for optimizing a bit-to-symbol mapping operation. The method has steps of (a) determining a most probable symbol selection error made during a...
US-6,700,638 Temperature stabilizer for liquid crystal displays (LCD)
A liquid crystal display (LCD) is positioned with respect to electronic circuit components within a device so as to direct at least a part of thermal energy...
US-6,700,453 Amplitude imbalance compensation of quadrature modulator
A method and an arrangement for compensating for amplitude imbalance of a quadrature modulator including: determining a first correlation on the basis of a first...
US-6,697,782 Method in the recognition of speech and a wireless communication device to be controlled by speech
A method for recognizing speech commands includes defining a time window for recognizing a speech command. A first confidence value is determined for a first...
US-6,697,734 System and method for displaying a map having two scales
A system and method is provided for displaying a digital map simultaneously having two scales. The digital map includes a detail area having a first scale...
US-6,697,651 Communication system having implemented point-to-multipoint-multicast function
The present invention relates to a communication system having a network (1) and a plurality of user terminals (2,3,4) that are coupled to the network via a...
US-6,697,640 Method and apparatus for directional radio communication
A method of directional radio communication between a first station and a second station comprises the steps of transmitting signals from the second station to...
US-6,697,636 Radio telephone buzzer
A portable radio communication device comprising a housing and a buzzer that rings on activation to alert a user of an event, the buzzer being disposed adjacent...
US-6,697,628 Apparatus, and associated method, for determining geographical positioning of a mobile station operable in a...
Apparatus, and an associated method, for determining the geographical positioning of a mobile station operable in a mobile radio communication system. Wideband...
US-6,697,624 Apparatus, and associated method, for effectuating a data service designated by a service delivery mode
Apparatus, and an associated method, for facilitating routing of a data service call background and foreground service delivery modes are defined. A delivery...
US-6,697,604 Method for testing the functioning of a radio apparatus, and a mobile station
A method for testing the function of a mobile station includes starting the generation and transmission of uplink data to a testing apparatus in response to a...
US-6,697,521 Method and system for achieving coding gains in wavelet-based image codecs
A method and system for coding a RGB image in an encoder and a decoder. In the encoder, the RGB image components are converted into YUV components. One or more...
US-6,697,483 Method and apparatus for searching a database
A method of searching an electronic phonebook of a cellular phone, where the phonebook contains a multiplicity of names each being made up of one or more...
US-6,697,364 Statistical multiplexing in a telecommunications network
A method carries out statistical multiplexing in a telecommunications network comprising a transmitting unit for transferring channels containing information...
US-6,697,347 Method and apparatus for controlling transmission of packets in a wireless communication system
A system in which a packet-sending entity and a packet-receiving entity communicate using a plurality of parameter signaling channels (SCCH) and also using a...
US-6,696,993 Variable length coding
The invention relates to a method of variable length coding in which data symbols are arranged into a number of sets, each of which comprises at least a first...
US-6,696,919 Method of starting a device protected against unauthorized use by a PIN without using an input
When a PIN need to use a protected device is manually entered for the time, it is encoded by means of unique identity number and stored in a PIN memory, the...
US-6,696,902 Circuit for interfacing a balanced radio frequency power amplifier with an unbalanced load
A circuit interfacing a balanced RF power amplifier with unbalanced load has a first shunt inductor and a series capacitor connected to a first output and a...
US-6,696,885 Polyphase filters in silicon integrated circuit technology
An IQ generator is integrated into an IC for generating IQ output signal. The IQ generator includes a signal generator providing input with two identical signals...
US-6,696,772 Synchronous rectification
A direct-current converter converts an input voltage into an output voltage. It has and which comprises an operating voltage source, a power transformer having a...
US-6,696,639 Protecting device against interfering electromagnetic radiation comprising EMI-gaskets
The object of the invention is an elongated EMI gasket (electromagnetic interference), made from an electroconductive material, which is characterised in that...
US-6,695,103 Spring barrel module
The invention concerns a spring barrel module having two chambers. A spring is located in the first chamber and a damper in the second chamber. The ...
US-D487,081 Key button arrangement for a handset
US-D487,066 Handset
US-6,694,398 Circuit for selecting interrupt requests in RISC microprocessors
An apparatus and method for prioritizing interrupt requests in a RISC processor. By utilizing hardware to prioritize the requests, processor time is reduced. The...
US-6,694,295 Method and a device for recognizing speech
According to the invention, speech recognition can be limited to a smaller number making use of commands (16, 17) given by a user. By means of a method and...
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