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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...
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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...
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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...
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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...
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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...
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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 f 1 to f 7 in...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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5917887 |
Emergency alert communication system wherein emergency messages are received by a radio frequency receiver and routed to a telephone device
An emergency alert communication system comprising a radio frequency receiver. The radio frequency receiver decodes incoming emergency alert signals and demodulates data header signals and...
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5806002 |
Method of scanning using resource analysis
In a communication unit (105) in which a priority scan occurs, wherein priority scan comprises automatically scanning, while the communication unit (105) is unmuted to a non-priority communication...
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5701599 |
Broadcast receiving apparatus having selection function of good reception condition in designated program item
Whether or not the reception condition of a received broadcast is good is detected by a reception condition detection unit. If it is detected that the reception condition is good, the broadcast...
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5666655 |
Mobile communication system with autonomous distributed type dynamic channel allocation scheme
A mobile communication system using an autonomous distributed type dynamic channel allocation scheme, in which each base station manages allocation priority levels for the available radio channels...
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5649319 |
Receiver with automatic tuning function
A receiver with automatic tuning function includes: unit for dividing an area where broadcasting stations exist into a plurality of blocks and storing block information relating to the blocks; unit...
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5640675 |
Method and system for reducing the time for connecting a mobile to a cellular base station
Periodically, when a mobile is in its normal mode of operation, a first list of control frequencies transmitted by respective base stations of the geographical area in which the mobile is located...
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5574999 |
Alert receiver
This invention relates to an apparatus and method for receiving and automatically detecting the issuance of emergency, weather or other alert messages broadcast on a radio channel, and recording...
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5551071 |
Channel sorting scanning receiver
A scan receiving system comprising an antenna circuit, a radio-frequency reception circuit connected to the antenna circuit and for converting a received radio-frequency signal into an...
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5548828 |
RDS audio receiver having interrupt mode
A Radio Data Systems (RDS) receiver has a decoder circuit to read RDS data from a broadcast transmission signal. From the RDS data, a control circuit determines a program of the received signal, a...
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5541980 |
Cordless telephone/radio-monitoring system
A cordless telephone/radio-monitoring system to allow a user to listen to radio broadcasts, such as regional weather broadcasts, through the base unit of a cordless telephone as well as through the...
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5524278 |
Method and apparatus for determining a serving communication system where communication systems operate conjunctively
A method and apparatus is provided for facilitating scanning of radio control channels where a plurality of communication systems conjunctively cover the same area. A subscriber unit receives an...
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5483670 |
Trunked radio repeater system with control channel monitoring feature
A digitally trunked radio repeater system provides substantial improvements in timeliness of channel acquisition and channel drop, and in reliability of critical control signalling. The system uses...
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5408682 |
Identification code search in a communication device
With cordless telephones it is a known fact that each pair of radio stations has m radio channels out of n possible radio channels in common. During a test cycle the mobile unit examines only the...
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5390343 |
Method of tuning a radio receiver using RDS information
For tuning a microcomputer-controlled radio receiver to the one of several transmitters broadcasting the same program best satisfying the requirements for quality of reception the information...
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5355517 |
Method and apparatus for automatic alternate communications system access
A method and means of automatically accessing several types of radio systems is described. The present invention allows a subscriber unit, which is normally operative in a operator selected radio...
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5307513 |
Channel frequency storing method for a vehicle radio
In an autoradio such that a desired broadcasting channel can be received by reading a channel frequency from a preset memory in which plural channel frequencies are previously stored (one-touch...
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5262769 |
Programmed scanning pager receiver
A pager receiver includes an addressable data memory for storing sets of digital frequency data for application to a frequency synthesizer which responds to each set of frequency data to tune the...
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5261117 |
Method to allow a radio transceiver to automatically select from amongst multiple radio systems
A method and means of automatically accessing several types of radio systems is described. The present invention allows a subscriber unit, which is normally operative in a operator selected radio...
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5257416 |
Method for dynamically changing channel priority for scan in a receiver
Briefly, according to the invention, a method (100) for updating the channel priority table in a receiver (300) having a signal condition table is disclosed. The receiver (300) is adapted to...
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5247703 |
Transceiver with off hook scanning
A transceiver that allows scanning to occur with the microphone in an off hook position. The transceiver includes a main unit, external microphone, and hook for holding the microphone. The external...
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5231699 |
Dual watch radio system
A method and apparatus is provided for maintaining a dual watch on marine radio bands and more especially on the VHF radio band in which a stand-alone battery-powered receiver is tuned to one of...
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5222254 |
Receiver including means for acquisition and comparison of identification data of two transmission channels
A receiver, adapted to the reception of identification data in accordance with the RADIO DATA system (RDS) and having only one tuner, effects the acquisition of the identification code of an...
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5214790 |
Enhanced talkgroup scan algorithm
An enhanced talkgroup scanning algorithm is provided. This algorithm provides an efficient scan function when a unit scan list contains a mixture of trunked talkgroups and conventional channels....
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5125103 |
Automatic control channel acquisition method and apparatus in a trunked communication system
A trunked communication system automatic system resource acquisition method and apparatus provide for utilizing dual system resource listings to monitor for priority communications within a primary...
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5034818 |
Priority selector for external signals
The invention provides a priority selector for external signals having a tri-mode converting circuit with a switching part, wherein a TV signal or external signals are selected by operating a...
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4984294 |
Radio communications device incorporating channel guard decode and priority channel scanning
A significantly improved scanning method and apparatus is disclosed which allows tone channel guard decode and scan to optimally coexist on the priority channel. In an exemplary embodiment of the...
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RE33157 |
Null initiated method and system for monitoring a priority channel
A null initiated priority channel monitoring system provides enhanced nonpriority signal intelligibility and/or enhanced priority channel sensitivity during sample times. The priority channel or...
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4881273 |
RDS system radio
An RDS-system radio having an automatic tuning function which is configured to compare program information codes of a currently received broadcasting and other broadcastings in a seeking or...
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4868891 |
Interrupted audio fill-in system for noise reduction and intelligibility enhancement in multi-channel scanning receiver applications
A method and apparatus for filling audio blanks in a message received by a receiver resulting from switching the receiver between a plurality of input channels each having a different message for...
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4856083 |
Method of connecting a cordless telephone by radio
A method of connecting a cordless telephone by radio without using control channels selects priority radio channels from radio channels which are shared by cordless telephones and assigns each of...
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4833728 |
Automatic station searcher
An automatic station searching device for a radio receiver in which the order in which the station data is stored in a memory device can be altered so that the user can easily selected between...
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4776037 |
Method and apparatus for providing priority channel scan in a radio
A priority channel scan for use in radios capable for receiving at least two channels, wherein one of the channels is a priority communications channel. The radio periodically interrupts...
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