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| Number | Title | Issue Date |
| 8103232 | Broadcasting signal receiving apparatus and channel scanning method Provided are a broadcasting signal receiving apparatus and a channel scanning method which are capable of scanning any desirable plurality of channels quickly by providing the channel scan function using information on a plurality of multiplexer (MUX) numbers, where... | 01/24/2012 |
| 8099067 | Data signal system A demodulation system for Radio Data System (RDS) signals in a receiver includes a quadrature mixer (303) configured to convert a RDS signal at an input frequency directly to a base band RDS signal, a single filter (305) configured to filter the base b... | 01/17/2012 |
| 8073412 | Method for automatic frequency range and step selection using region signature for a digital AM/FM tuner A method of configuring a tuner includes scanning at least one range of radio frequencies, measuring a signal quality metric for each of a plurality of the frequencies, and selecting a set of operational frequencies for the tuner. The selecting step is dependent upo... | 12/06/2011 |
| 8010069 | Method and apparatus for processing radio signals to identify an active system in a coexisting radio network The present invention discloses a method of multiple systems sensing for coexisting radio networks, including: performing energy detection and carrier locking; detecting the fundamental frequencies; and identifying the corresponding active systems from the detected ... | 08/30/2011 |
| 8000666 | Method and apparatus for identifying unused RF channels A wireless connection apparatus which scans radio frequency bands for local quiet unused, vacant, or unassigned frequencies which the apparatus can use, on a temporary basis, to establish a link for communicating between a portable multimedia device and a nearby RBD... | 08/16/2011 |
| 7941112 | Method and apparatus for automatic fine tuning based on sync detection The method according to the invention for adjusting the tuning of a receiver circuit for receiving modulated a high frequency signal within a frequency range, the high frequency signal comprising a sync signal, uses the steps of shifting a frequency of a local oscil... | 05/10/2011 |
| 7937053 | Method for receiving station signal and receiver for receiving the same A method for receiving a station signal is provided. First, a radio frequency signal is received and converted to a first IF signal. Next, the first IF signal is demodulated to a baseband signal and a demodulation signal is obtained, the demodulation signal being a ... | 05/03/2011 |
| 7920838 | Method for conserving energy in a multimode communication device A system and methods (300, 400) are disclosed for conserving energy in a multimode communication device (106). A system that incorporates teachings of the present disclosure may include, for example, a communication device having a multimode wireless t... | 04/05/2011 |
| 7822396 | Radio receiver and method for detecting carrier waves An object of the present invention is to provide a radio receiver and a method for detecting carrier waves which make it possible to detect carrier waves for an IBOC type hybrid broadcast reliably. A radio receiver for receiving carrier waves for hybrid broadcasts w... | 10/26/2010 |
| 7792507 | Automatic TV signal and tuner setup A system and methods perform an automatic TV signal/tuner setup in a tuner device (e.g., a PC, a personal video recorder, a set-top box, etc.) that has one or more tuners. The setup identifies the number of tuners in the device, whether the tuners are analog or digi... | 09/07/2010 |
| 7787842 | Radio broadcast receiver, automatic tuning device for radio broadcast and method for receiving radio broadcast A radio broadcast receiver includes: a frequency conversion circuit for receiving a radio broadcast wave and for outputting a reception signal; a detection circuit for detecting the reception signal of an analog radio broadcast wave and for outputting a detection si... | 08/31/2010 |
| 7738846 | Shared scanning in distributed networks Various embodiments are described relating to sharing scanning operations among nodes in a wireless network, such as a WiMedia ultra-wideband (UWB) network. In an example embodiment, a message may be sent from a first node to one or more other nodes in a wireless ne... | 06/15/2010 |
| 7689185 | Apparatus and method for estimating initial frequency offset in an asynchronous mobile communication system An apparatus and method for estimating an initial frequency offset in a mobile communication system in which a user equipment (UE) performs initial cell search in order to identify a Node B with which the UE can exchange data is provided. The apparatus comprises a m... | 03/30/2010 |
| 7657239 | Method for conserving energy in a multimode communication device A system and methods (300, 400) are disclosed for conserving energy in a multimode communication device (106). A system that incorporates teachings of the present disclosure may include, for example, a communication device having a multimode wireless t... | 02/02/2010 |
| 7577410 | Audio apparatus An audio apparatus is provided that permits selection of either analog or digital audio signals in execution of a scan operation. A radio receiver 300 comprises a tuner 320 capable of receiving carrier wave signals including at least an analog audio si... | 08/18/2009 |
| 7542745 | Wireless device and wireless channel measurement controller In measurement of wireless channels in an IEEE 802.11 wireless local area network (WLAN), in the case of multi-channel measurement as in North America in which eight wireless channels Ch1 through Ch8 are available, channel measurement according to a predetermined al... | 06/02/2009 |
| 7529530 | Wireless reception apparatus and method A wireless reception apparatus is provided. The apparatus includes a scan unit for periodically scanning favorite channels which are selectable as a playing channel, and recording broadcasting signal properties of each favorite channel; an evaluation value calculati... | 05/05/2009 |
| 7418245 | Wireless device and method for radio control A method of radio control, adapted in a wireless device that includes a cognitive radio and a free radio. First, the cognitive radio scans within vicinity or range to receive frames sent from or to the free radio, for retrieving therefrom network information of on-a... | 08/26/2008 |
| 7415255 | Scanning receiver With the objective of providing a scanning receiver capable of capturing a target radio wave in an extremely short period of time by use of a simple constituting means, a plurality of wide frequency division bands in which a full frequency range is divided into pred... | 08/19/2008 |
| 7403747 | Tuning a station A method of tuning a station is disclosed, wherein a first pilot signal is applied on a circuit of the station and the resulting output power of the signal circuit is subsequently detected. A second pilot signal is then applied to the circuit and the resulting outpu... | 07/22/2008 |
| 7386272 | System and method for transmitting signals having audio data in a vehicle A system and a method for transmitting signals having audio data in a vehicle are provided. The system includes a first transceiver configured to receive an analog communication signal having the audio data and to transmit a first FM signal having the audio data in ... | 06/10/2008 |
| 7369825 | Selection of radio station based on preferred program content A method and apparatus for selecting radio stations for reception based on a preferred program content. A list of radio station identifiers is stored in a memory and organized according to program content specifiers. When a presently received signal fades, the memor... | 05/06/2008 |
| 7369826 | Method for monitoring broadcast signals at alternative frequencies and gain control unit Many broadcast stations transmit their programs via a variety of different frequencies. The invention relates to monitoring alternative frequencies during the reception of a broadcast signal at a present frequency. Whenever the broadcast signal at an alternative fre... | 05/06/2008 |
| 7369824 | Receiver storage system for audio program A receiver contains a demodulator system that can deliver a stream of digital data comprising at least a first and a second set of audio data. In a first time interval, a memory is used to store either the first or the second set of audio data. In a subsequent time ... | 05/06/2008 |
| 7367020 | Executable radio software system and method An executable radio software system including a core framework layer responsive to one or more applications and a middleware layer. The core framework layer includes isolated platform dependent code in one or more files for a number of different platforms each selec... | 04/29/2008 |
| 7366169 | Apparatus 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... | 04/29/2008 |
| 7359676 | Systems and methods for adaptively scanning for wireless communications This application is directed to systems and methods for adaptively scanning for wireless communications. Scan data associated with scanning one or more wireless network channels based upon a scan pattern is received. Each wireless channel has a designation of primar... | 04/15/2008 |
| 7356338 | Method for selecting a wireless communication service provider in a multi-service provider environment A communication device locates a wireless service provider in a multi-service provider environment using a frequency band search schedule. The frequency band search schedule has a first or home band and a several other frequency bands in a predetermined ordered. The... | 04/08/2008 |
| 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 |
| 7343141 | Concurrent content capturing radio systems and methods An enhanced radio system is disclosed that provides for the capture and playback of one or more radio stations. The user may tune to a station, or scan through stations, rewind to hear what was missed (even while the system is turned off), and fast-forward through u... | 03/11/2008 |
| 7336949 | International dialing for wireless networks Systems and techniques are disclosed relating to international communications over a network. The systems and techniques involve retrieving information from a network, identifying an international access code related to the retrieved information, and placing an inte... | 02/26/2008 |
| 7330707 | Hetrodyne receiver and IC In a heterodyne receiver, the effect of an image interference signal that occurs in a case where a low intermediate frequency is used is alleviated. Circuits (12I), (12Q), (13I), (13Q), and (14) are provided to switch a heterodyne ... | 02/12/2008 |
| 7295857 | Method and apparatus for performing acquisition in power save mode for wireless communication systems Techniques to efficiently attempt acquisition of a packet data system (e.g., an IS-856 system). If a terminal has acquired one or more channels in a voice/data system (e.g., an IS-2000 system), then it can attempt acquisition on channels in the packet data system th... | 11/13/2007 |
| 7289807 | System and method for using licensed radio technology to determine the operation parameters of an unlicensed radio technology in a mobile terminal A system and method for using licensed radio technology for determining the operation parameters which should be used by a terminal. The present invention involves the terminal using its GSM system, if activated, to determine whether mobile country code for a nearby... | 10/30/2007 |
| 7280164 | Apparatus for channel scanning and method thereof A method for scanning at least a channel of a received signal includes scanning a plurality of frequency bands in sequence and analyzing each frequency band to determine if the frequency band holds the received signal. If it does, the method includes detecting a fre... | 10/09/2007 |
| 7274917 | Method and system for management of roaming mobile subscriber The roaming of mobile equipment between a home network and foreign network is managed. The roaming behavior is based on the contents of control files saved in the mobile equipment of the subscribers. A list of networks to be used in a priority order in a roaming sit... | 09/25/2007 |
| 7272175 | Digital phase locked loop Digital communication signals that encode information in the phase may be susceptible to phase error from many sources. The invention corrects for carrier and sampling phase errors, as well as additive phase noise. A digital phase locked loop simultaneously tracks t... | 09/18/2007 |
| 7269419 | Method of performing network scanning and apparatus using the method Provided is a method of performing network scanning that changes a scanning operation according to whether a wireless network printer establishes a link and performs a specific operation, and an apparatus using the method. The method of performing network scanning i... | 09/11/2007 |
| 7269174 | Dynamic wireless network A Dynamically Reconfigurable Dynamic Wireless Network for connecting a local area network (“LAN”) to wireless Mobile Stations. Backbone Access Points (“Backbone APs”) are physically connected to the LAN. Levels of Wireless Access Points (“Wireless APs”) ... | 09/11/2007 |
| 7263713 | Television signal distributor apparatus, receiver apparatus, television signal transmission system and method In a television signal transmission system, CS broadcasting signals received via a master antenna are converted into intermediate frequency signals in an LNB (Low Noise Block Down Converter). The CS intermediate frequency signals then undergo conversion of the modul... | 08/28/2007 |
