Matches 1 - 50 out of 133 1 2 3 >
Match Document Document Title
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...
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...
7260393 Systems and methods for reducing communication unit scan time in wireless networks  
A communication unit operates in a wireless-networking environment and maintains a mapping for active channels and associated network identifiers. The communication unit may associate with a...
7099638 Method and apparatus for receiving an amplitude modulated radio signal  
Receiving apparatus ( 1 ) for receiving an amplitude modulated signal which may be transmitted on a plurality of frequency channels within a predetermined frequency bandwidth comprises a tuner ( 3...
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...
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...
6819731 Frequency searching method and apparatus  
The invention provides a method for searching the frequency range of a digital data receiving device, said method including the steps in one embodiment of firstly identifying and disregarding...
6624809 Displayed information management method  
A displayed information management method allowing easy operation of a portable communication apparatus is disclosed. After selecting data from a set of data according to a desired condition...
6567663 Method for continuous home public land mobile network search  
In a mobile station (MS) of a cellular radiotelephone system, a method of searching for the MS's home public land mobile network (HPLMN) when the MS is camped on a non-HPLMN. The method is...
6298236 Method of use of a control channel in a cellular communications system  
A microcellular communication system which broadcasts its local channel block, including the control channels allotted from a total channel block to the microcellular system, on all control...
6282412 Geographically adaptive portable broadcast receiver  
A broadcast receiver that responds to broadcast stations having a listener-preferred program style. The receiver has a processor and a database memory arranged to be coupled with the processor. The...
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...
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...
6148203 Method for registering a communication device for communication service  
A communication device (100) contains a plurality of bandmaps in a memory (102). Upon powering up the device, the device first scans frequencies listed in a learned bandmap (104). If no suitable...
6057765 Non-linear junction detector  
A non-linear junction detector designed for counter surveillance measures achieves superior performance by using a single circularly polarized antenna to transmit a signal and to receive harmonics...
6021320 Broadcast receiver providing selectable categories of available broadcast signals  
A Broadcast receiver system includes a SNAPSHOT feature which searches one or more broadcast bands for currently receivable broadcast signals. Supplemental information accompanying each of the...
5864752 Radio scan method with spatial channel marking  
A method used with spatial channel marking in a radio scanning technique that extends the conventional methods of channel marking to include information about the source of the signal. This...
5822686 Channel scanning scheme for signal strength measurement systems and methods  
Methods and systems for measuring signal strengths of radio signals in radiocommunication systems are described. In many radiocommunication systems, base stations and/or mobile station take signal...
5822681 Method for assigning band port channels in an unlicensed personal communications system  
A number of RPs stagger the times in which they begin searching for available channels. In a preferred method, one of a plurality of RPs in a UPCS system is selected to have a first start time. The...
5809419 Method for reducing channel scanning time  
A unique method improves channel scanning by reducing the time required to scan channels. The method reduces the number of channels which must be scanned using information previously obtained in a...
5751772 Method for locating a channel in a communication system  
A method for locating a carrier (220) includes the steps of tuning to a first anticipated carrier location (240) within a first subband division (216), attempting to locate the carrier (220) at the...
5740518 FM character data multiplex broadcasting signal receiving apparatus  
An FM broadcasting signal carrying multiplex character data transmitted from a radio broadcasting station is automatically preset in an FM receiving apparatus. An FM broadcasting signal is...
5710992 Chain search in a scanning receiver  
A method of searching for active signal frequencies from a plurality of frequency bands is disclosed. Bands of frequencies are defined by upper and lower limit frequencies. The bands are stored as...
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...
5532832 Deletion of entries from the channel mapping list of a videocassette recorder  
In a videocassette recorder including VCR PLUS™ capability and autoprogramming capability, the channel-mapping procedure may be greatly simplified by using the autoprogramming feature to locate...
5497508 Method and apparatus for efficiently monitoring a plurality of radio channels to detect message signals  
A method and apparatus for efficiently monitoring a plurality of radio channels in a data communication system in which mobile message receiving devices are programmed to receive messages on a...
5471662 Radio data system receiver  
An RDS receiver capable of extracting an AF list from the RDS data and selecting a broadcasting station of any of the frequencies on the AF list. The receiver is equipped with functions of...
5438688 Channel selecting method and highspeed scanning radio receiver which concurrently scans multiple channels  
In a radio receiver for electronically selecting channels by way of the frequency synthesizer system, a highspeed channel scanning operation is realized. A CPU (central processing unit) detects...
5428827 Radio receiver with a radio data signal (RDS) decoder  
A radio data system (RDS) receiver has a station selector circuit including a microprocessor, several Alternative Frequency (AF) memory cells, and at least one learning memory cell associated with...
5422682 Configurable channel selecting apparatus with channel increasing key  
A channel selecting apparatus includes a broadcast signal selector provided with a plurality of channels corresponding to respective broadcast stations for selecting a channel among the plurality...
5408692 Scanning receiver  
A scanning receiver is formed of a memory for storing reception frequencies corresponding to a plurality of reception channels; a receiving section for receiving radio waves to be tuned to the...
5235327 Paging device with test and scan modes  
A paging device for receiving information and including a test mode for determining the receiving characteristics of the device and a scan mode for scanning a frequency range within which the...
5212818 Radio station presetting method for radio receivers  
A radio station presetting method for radio receivers performs seek-scanning to select a predetermined number of radio stations with a reception field strength higher than a specified level in...
5182646 Linkable scan lists for a television receiver  
In a television receiver including a plurality of RF input terminals, each of which has a respective scan list, a controller links the lists to form a single scan list with a single wrap-around...
5163161 Fast scanning radio receiver with frequency data base management by remote processor  
A scanning receiver includes an Electrically Erasable Programmable Read Only Memory (EEPROM) as massive nonvolatile storage for frequency control words. The receiver includes a microprocessor based...
5161253 Preset scanning method for radio receivers  
A preset scan method for radio receivers which is capable of performing the preset scanning without producing noise and of informing the user when it is not possible to receive all of the preset...
5140702 Time based signal detector for operating in a presence search mode and absence search mode during peak times and off peak times  
A receiver capable of receiving a plurality of signals, wherein more of the signals are received at a peak time than at an off peak time, comprises the method of a first step for determining if the...
5121408 Synchronization for entry to a network in a frequency hopping communication system  
Synchronization of a frequency hopping transceiver to a network by embedding synchronization codes in the pseudo-random frequency hopping transmission sequence. A receiver is implemented with a...
5077827 Warning receiver readiness monitoring circuit  
A warning radio receiver is adapted to receive not only a recognition signal for emergency broadcast but also two further recognition signals, namely a warning network transmitter recognition...
5029015 Video signal recorder/player devices  
A video signal recorder/player device, e.g. a video tape recorder, is adapted to select a playback channel to be any one of a plurality of UHF television channels. A microcontroller in the device...
5020142 Automatic scanning tuner  
In an automatic scanning tuner which stops at tuned stations in scanning up and down a range of frequencies, apparatus is provided for ignoring stations at which a user does not wish the tuner to...
5020141 Adaptive identifying signal detector  
A radio receiver capable of receiving more than one channel, one of which channels may be a priority channel, wherein some communications may be accompanied by a sub-audible continuous identifying...
5014348 Self-programming scanning radio receiver  
Self-programming scanning receiver having superheterodyne circuitry, microprocessor controlled synthesized frequency tuning circuitry, frequency validation means, a learn mode to invoke the...
5014314 Method for developing and transmitting usage context information in an RF communication system  
In an RF communication system, a method for developing and communicating usage context information. When an inbound communication (110) is received from a communication unit (107), a repeater (101)...
4995098 Adaptive scanning method  
A method (100) is provided for a radio that is currently monitoring a first frequency f(1) to determine whether carrier activity exists on a second frequency f(2). The radio loads f(2) into the...
4977612 Channel selection in a multi-frequency radio data communication system  
A method and apparatus are disclosed for improved channel selection in a multi-frequency radio data communications system whereby a minimum level of signal/service quality may be maintained at all...
4977611 Portable radio apparatus having battery saved channel scanning function  
A portable radio apparatus may operate in a battery saving mode on any one of a plurality of channels, in order to communicate with a central office. The apparatus selects a channel for its use on...
4870492 Television receiver having automatically programmable skip channel list  
In a television receiver having a channel skip function capable of skipping a channel on the basis of skip flag data stored in a memory, when an automatic add key is depressed, skip flag data of a...
H000610 Cellular pager  
A pager arranged for operation in a cellular radio system provides economy to subscribers and technological flexibility to a system operator. Paging service is available in any geographical area...
4763195 Television tuning system with provisions for quickly locating active cable channels  
A tuning system for tuning non-standard frequency RF television signals provided by cable distribution networks and television accessories conducts first and second consecutive searches by changing...
Matches 1 - 50 out of 133 1 2 3 >