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| Number | Title | Issue Date |
| 8121567 | Double search algorithm of user group selection for multiuser MIMO downlink transmission A method and system for a double search algorithm of user group selection for multiuser MIMO downlink transmission are provided. The use of optimal brute-force user group selection may require high computational expense. A first search operation may be based on a fi... | 02/21/2012 |
| 8036612 | Method, apparatus and system for terrestrial DMB service A method, apparatus and system for Digital Multimedia Broadcasting (DMB) service are provided. A DMB receiving terminal identifies a channel service area in which the DMB receiving terminal is currently located based on an identified current location, and configures... | 10/11/2011 |
| 8019299 | Radio communication device and method One embodiment includes a system configured to identify a preferred channel for radio communication from a plurality of consecutive integer frequencies including preferred channels and non-preferred channels, the system further to generate a plurality of radio chann... | 09/13/2011 |
| 7899421 | Double search algorithm of user group selection for multiuser MIMO downlink transmission A method and system for a double search algorithm of user group selection for multiuser MIMO downlink transmission are provided. The use of optimal brute-force user group selection may require high computational expense. A first search operation may be based on a fi... | 03/01/2011 |
| 7865156 | Scanning methods and apparatus which utilize a carrier signal bandwidth test One illustrative method of scanning a radio frequency (RF) band (e.g. 850 MHz band) for valid RF carrier signals of a wireless communication network (e.g. a GSM network) includes the steps of monitoring an RF channel to receive a candidate RF carrier signal; identif... | 01/04/2011 |
| 7668518 | Priority and load combination based carrier assignment in a multi-carrier wireless communication system A wireless communication system and method is disclosed. The system and method includes at least one base station controller setting resource allocation priority and producing a carrier loading information request in response to a request made by a mobile unit; a pl... | 02/23/2010 |
| 7403754 | Tower discovery and failover Described is a communication system including wireless client devices. In the described system, the client devices may be wrist-worn watches such as are in common use today, except that the watches are specially configured to receive transmissions from broadcast tow... | 07/22/2008 |
| 7353000 | Receiver monitoring and alert system A method and system are provided in which a user is enabled to create a preferred playlist of the user's favorite songs. An input device allows the user to add and/or delete songs from this preferred playlist. In an exemplary embodiment, songs playing on several rad... | 04/01/2008 |
| 7346350 | Method for selecting a preferable wireless communications service provider in a multi-service provider environment A communication device locates a preferable wireless service provider in a multi-service provider environment using a frequency or frequency band search schedule. Initially, the communication device registers with a less preferred service provider in a first frequen... | 03/18/2008 |
| 7334735 | Card for interaction with a computer A smart card comprising: a memory for storing information; at least one transmitting or receiving antenna; and a low frequency circuit, for handling information associated with said antenna and said memory, which information is modulated at a modulation frequency of... | 02/26/2008 |
| 7274918 | Apparatus for automatically finding an am radio program The invention relates to a method for automatically finding an AM radio program, by which an AM radio receiver is tuned through in discrete steps, such that, for each set AM frequency, the reception quality at the currently set AM frequency is determined, the field ... | 09/25/2007 |
| 7242849 | Broadcast video image recording apparatus A broadcast video image recording apparatus for recording broadcast video image data has a first storage unit for storing broadcast video image data, a second storage unit for storing video image data to be played back, and a control unit for searching the first sto... | 07/10/2007 |
| 7236741 | Methods and apparatus for tuning in an inductive system Electronic circuitry supports utilization of a series of pulses of varying width to tune a transducer (e.g., a coil that produces or receives a magnetic field) for transmitting or receiving. For example, a control voltage generator generates a sequence of digital pu... | 06/26/2007 |
| 7228103 | Method and apparatus for improving co-existence between bluetooth and 802.11 networks A method and apparatus for improving co-existence between Bluetooth and 802.11 networks is described. In one embodiment, the invention is a method. The method includes detecting in software a backup in transmission of data through a first wireless channel. The metho... | 06/05/2007 |
| 7190938 | Broadcast receiver A receiver for receiving a digital radio broadcast in which additional information is multiplexed with audio information includes a memory for storing the additional information, a liquid crystal display (LCD), and a bookmark button. When the bookmark button is depr... | 03/13/2007 |
| 7183929 | Control of toys and devices by sounds A method of controlling at least one device by incidental sound produced by a living creature and including: attaching a sound-maker to a living creature so that the natural movements of the living creature will cause the sound-maker to emit a sound; receiving the s... | 02/27/2007 |
| 7167696 | Method for scanning radio frequency channels The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network can therefore include multiple APs, each of which will automatically... | 01/23/2007 |
| 7130414 | Active mode line voltage regulator for ringing subscriber line interface circuit A voltage regulator circuit arrangement limits the DC voltage applied to a tip and ring amplifiers of a subscriber line interface circuit (SLIC), each of which has a first polarity input coupled to a first current flow path to which a DC input (battery) voltage is c... | 10/31/2006 |
| 7089003 | Methods and systems for selective broadcast enhancement Data is transmitted to and obtained by selected wireless devices in a wireless network without assignment of a unique network address (UNA) to the wireless devices. The data is transmitted over a broadcast and the wireless device obtains the data from the broadcast.... | 08/08/2006 |
| 7076220 | Program for scanning radio frequency channels The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network can therefore include multiple APs, each of which will automatically... | 07/11/2006 |
| 7062239 | On-vehicle equipment for dedicated short-range communication in intelligent transport system In an on-vehicle equipment for Dedicated Short-Range Communication (DSRC) in Intelligent Transport System (ITS), a priority sequence for switching local frequencies of f1 to f7 in correspondence with types of on-road equipment is previously set, the lo... | 06/13/2006 |
| 7054601 | Apparatus and method for storing and selecting radio stations A method of storing and selecting a radio station (104, 106) in a radio (102) having a plurality of tuner presets (130) and a plurality of memory locations (146) assigned to each of the plurality of tuner presets, includes storing a plura... | 05/30/2006 |
| 7043214 | Tower discovery and failover Described is a communication system including wireless client devices. In the described system, the client devices may be wrist-worn watches such as are in common use today, except that the watches are specially configured to receive transmissions from broadcast tow... | 05/09/2006 |
| 7035608 | Methods and apparatus for tuning in an inductive system Electronic circuitry supports utilization of a series of pulses of varying width to tune a transducer (e.g., a coil that produces or receives a magnetic field) for transmitting or receiving. For example, a control voltage generator generates a sequence of digital pu... | 04/25/2006 |
| 7013140 | Mobile terminals and methods for performing fast initial frequency scans and cell searches A mobile terminal can identify cellular control channels that can be received by the mobile terminal from a cellular system, by identifying a cellular control channel that can be received from a history list of cellular control channels that were previously received... | 03/14/2006 |
| 6968168 | Variable oscillator A variable frequency oscillator comprising: an oscillatory circuit for generating a periodic output dependent on the capacitance between a first node and a second node of the circuit, and having a capacitative element connected between the first node and the second ... | 11/22/2005 |
| 6961550 | Radio receiver that changes function according to the output of an internal voice-only detector A radio receiver includes a voice-only detection mechanism that detects when the current radio station is transmitting mostly voice, and that changes the function of the receiver depending on whether or not the current radio station is transmitting mostly voice. In ... | 11/01/2005 |
| 6931451 | Systems and methods for modifying broadcast programming A system for selecting, erasing or reproducing program recordings using marking and descriptive data which is transmitted to a client location from a remote processing location. A database of identification signals specifying the characteristics of a known programmi... | 08/16/2005 |
| 6925302 | Mobile communication method In a mobile terminal communication method, when a zone in which a mobile terminal is positioned becomes in a congestion state, a calling channel having high emergency can be secured. A connection priority rank is given to each mobile terminal. When an area in which ... | 08/02/2005 |
| 6912372 | Ultra wideband signals for conveying data A method for conveying application data via carrierless ultra wideband wireless signals, and signals embodied in a carrierless ultra wideband waveform. Application data is encoded into wavelets that are transmitted as a carrierless ultra wideband waveform. The carri... | 06/28/2005 |
| 6904270 | Radio receiver for processing digital and analog audio signals A receiver contains a demodulator system that can derive an analog audio signal and compressed digital data from radio frequency signal. The receiver also contains a decompressor that can decompress the compressed digital data into uncompressed form. A digital to an... | 06/07/2005 |
| 6876835 | Method and apparatus for providing on-demand access of stored content at a receiver in a digital broadcast system A receiver in a digital broadcast system is provided for storing broadcast content files for on-demand playback purposes. The content files are transmitted in a partitioned format. Users can select which content files are to be captured in a memory device following ... | 04/05/2005 |
| 6782259 | Method for selecting a preferable wireless communication service provider in a multi-service provider environment A communication device locates a preferable wireless service provider in a multi-service provider environment using a frequency or frequency band search schedule. Initially, the communication device registers with a less preferred service provider in a first frequen... | 08/24/2004 |
| 6704553 | System and method for providing automatic tuning of a radio receiver and for providing automatic control of a CD/tape player A sound system with a radio receiver having the ability to automatically tune to a new radio station if (a) the current radio station is broadcasting a song, program or other content that the user dislikes and/or (b) one of one or more predetermined radio... | 03/09/2004 |
| 6198926 | Method for establishing standby periods in a base station and a handset An invention is disclosed having a base station and a plurality of handsets connected to this base station by various radio channels. For saving on accumulators which supply power to these handsets, these handsets are put in a standby mode for as long per... | 03/06/2001 |
| 6163683 | Broadcast data radio system and receiver apparatus therefor A presently disclosed radio broadcasting system for a virtual radio program broadcasting station uses a divided regional approach to broadcast digital and analog signals over a large geographic region divided into multiple overlapping but separate areas c... | 12/19/2000 |
| 6160496 | Remote channel swap for aviation communications A device and method that allows a pilot to switch between communication and navigation inputs without disrupting the pilot's current task. An audio selector panel has inputs for at least two communication transceivers and outputs for at least a pilot's he... | 12/12/2000 |
| 6112064 | RDS radio with multi-function RDS button A multi-function RDS button and a menu driven interface for accessing RDS features facilitates easy access to RDS functions with minimal demands upon the attention of the user. Large numbers of push buttons with cryptic labels and unintuitive push-button ... | 08/29/2000 |
| 6052562 | Method and apparatus for coordinating an operating channel selection Methods of and corresponding apparatus for scheduling messages on an operating channel (123) in a selective messaging system (100) for a selective messaging unit (135) include choosing a preferred channel (711) from a first channel and a second channel, s... | 04/18/2000 |
| 5956629 | Method and apparatus for transmitter identification and selection for mobile information signal services A programming system in which entertainment and information programming is transmitted, received and stored in real time by a multitude of receivers. The stored programming subsequently may be retrieved by a user in non-real time at the user's convenience... | 09/21/1999 |
