Matches 51 - 100 out of 191 < 1 2 3 4 >
Match Document Document Title
6330334 Method and system for information dissemination using television signals  
A system and method of information dissemination that permits the user to listen to the specific content of information when and where he or she wants to. A radio or television receiver system...
6249642 Extended play radio vision cassette recorder system and method of operating same  
An extended play radio video cassette recorder (EPRVCR) capable of receiving and recording audio and video signals transmitted over a radio frequency channel is provided. The EPRVCR includes a...
RE37131 Apparatus and methods for music and lyrics broadcasting  
A system for broadcasting audio music and broadcasting lyrics for display and highlighting substantially simultaneously with the occurrence of the lyrics in the accompanying audio music is...
6195534 Communication method, transmitter, receiver, wherein subcarriers are used to transmit digital header and message data in a cellular radio communications system  
A communication method, and a processing in accordance with the priority can be performed with a simple configuration even in the case of the communication of the multi-carrier method. The...
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...
6161002 Apparatus and method for the reception of radio signals transmitted by RDS system  
An apparatus and a method for the reception of radio signals transmitted by an RDS system provide the selection and reception of a first frequency; the selection, during the reception of the first...
6148178 Selective call message formatting  
A selective call device (130) having a receiver (204) that receives a selective call signal with an address (312), a formatting message (406), and a related message (408). A processor (214)...
6141536 Diversity radio system with RDS  
An RDS receiver having dual tuners and dual antennas operates in two distinct modes, a diversity mode and a non-diversity mode. Diversity mode is when both tuners are tuned to a signal with the...
6111613 Receiver for television multiplex broadcasting  
A receiver which receives two-channel multiplex broadcasting by using television sub audio. Two-channel data and/or facsimile data which are multiplexed on the broadcasting sub audio band of the...
6112063 Automatic radio station memory programming  
An autoset or auto-store function for a radio receiver selects stations for storing in association with respective presets according to the stored station format of the normal presets which have...
6088577 Multiple subcarrier communication system  
The present invention is a digital FM voice paging system which uses digital signal processing (including D/A conversion and data compression) to transmit voice pager data over existing FM...
6081699 FM multiplex broadcasting receiver for receiving RDS and DARC signals  
A receiver is provided capable of receiving both RDS (Radio Data System) and DARC (DAta Radio Channel) system FM multiplex broadcasting. An RDS signal demodulating circuit is provided with a PLL...
6070064 Information receiving system and a control method thereof  
An information or broadcast receiving system and a control method therefor are provided for preventing a switch noise generated during the switching of antennas of a receiver provided with a...
6067445 Dual channel dual speed FM subcarrier paging system  
The effective transmission range of a wireless paging system is varied by changing the transmission data rate. The transmission data rate is lowered in regions with sparse transmitter coverage to...
6038434 Method of and apparatus for receiving and displaying RDS data  
A method of receiving and displaying RDS data, which are multiplexed to a broadcast electric wave, includes the steps of: receiving the broadcast electric wave; detecting predetermined data in the...
5960328 FM radio receiver and signal processing device used therein  
Superimposed FM data is demodulated to digital data. A synchronism reproducing circuit (data block detecting section) detects the front of blocks in the digital data to generate a block head signal...
5950117 Car radio receiver comprising a memory for storing predetermined vocabulary elements  
A vocabulary memory which contains descriptions of vocabulary elements is addressable by a code which is formed by a number designating a vocabulary element, but the set of useful codes for a given...
5930687 Apparatus and method for generating an AM-compatible digital broadcast waveform  
An apparatus and method for generating a broadcast waveform is provided which, for generating an in-phase component, includes an in-phase digital signal generator; a first filter for filtering the...
5913152 FM composite signal processor  
A signal processor for amplitude and frequency limiting of a multiplex FM composite signal is described. To maximize the amount of available bandwidth and minimize the generated distortion, the...
5907793 Telephone-based interactive broadcast or cable radio or television methods and apparatus  
An interactive broadcast or cable radio or television system includes methods for transmitting a telephone number to a receiving apparatus with receiver antenna and telephone-autodialer, to receive...
5890910 Method of managing information files in a communication karaoke apparatus and a communication karaoke apparatus  
A storing unit of a communication karaoke apparatus has a newly released music file storing area, an information file storing area, a necessary information file list storing area, and the like....
5890053 Automatic display mode for a multiplex broadcasting receiver  
An FM multiplex broadcasting receiving apparatus includes a decoder for decoding multiplexed data from the received multiplex broadcasting, a CPU for writing the decoded content to RAM, a display...
5881365 Digital compressed voice paging system which uses R.D.S. format for the ID signals and S.C.A. format for the voice signals both formats being FM subcarriers  
The present invention is a digital FM voice paging system which uses digital signal processing (including D/A conversion and data compression) to transmit voice pager data over existing FM...
5870682 Receiver for adaptively displaying a plurality of data pages  
Digital data extracted from an FM multiplex broadcasting wave is decoded by an FM multiplex decoder. The decoder FM multiplex data is applied to a CPU. According to a logic of a switch, the CPU...
5862104 Recording a complete broadcast program by selecting from a displayed program text  
The invention provides recording system in which sub information added to transmitted main information is detected, in which the sub information is compared with pre-stored information in a memory,...
5857149 Multibroadcast receiver for extracting desired broadcast information based on an identification code  
A multibroadcast receiver 1 comprises a stereo receiving unit 4, an extractor 7 for taking out information about an identification code related to the contents of a broadcasting program and a...
5825756 Receiver for FM data multiplex broadcasting  
A receiver for FM data multiplex broadcasting includes a analog/digital converter for receiving an analog FM demodulation signal and for converting the analog FM demodulation signal into a digital...
5819160 Programmable radio subscription system for receiving selectively defined information  
The radio subscription system of the present invention enables a subscriber to remotely define and identify one or more playlists, each specifying information content selected by the subscriber...
5812937 Broadcast data system with multiple-tuner receiver  
A broadcast transmitting and receiving system includes a receiver having multiple tuners. A data tuner receives a data stream indicating the type of programming being broadcast by one or more...
5790958 Radio reception system for general purpose computer  
A radio data reception system operates within a host processing system such as a personal computer and receives FM broadcast transmissions encoded with either RDS or MBS digital data modulated upon...
5784686 IQ combiner technology in modulated backscatter system  
In accordance with the present invention, an RFID system has a homodyne receiver having two outputs; the in-phase or I output and the quadrature or Q output. The modulated backscattered signal is...
5757782 Paging system with multiple baseband subcarriers  
Pager data is transmitted at different subcarrier frequencies on different FM broadcast channels. The subcarrier frequency of the pager data is selected to avoid conflicts with signals transmitted...
5751806 Audio information dissemination using various transmission modes  
A system and method of information dissemination that permits the user to listen to the specific content of information when and where he or she wants to. A radio or television receiver system...
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...
5740519 Method for the time-correlated transmission of a control signal and a radio program signal  
The invention involves a method of transmitting a control signal that is synchronized in time with a radio program signal. The control signal may be used, for example, in a receiver to restore...
5734965 On-board unit for transponder operation  
An on-board unit includes at least one receiving and transmitting antenna for a bidirectional transmission of data which works in accordance with the transponder method. To compensate for...
5722047 Receiver for receiving multiplexed text broadcasts  
A receiver for receiving multiplexed text broadcasts includes a receiving circuit for receiving multiplexed text broadcasts that provide information including at least one program with at least one...
5708478 Computer system for enabling radio listeners/television watchers to obtain advertising information  
A computer implemented method captures advertiser information received from an audio or video signal. The method includes the steps of receiving an incoming video or audio signal, determining...
5666660 System for receiving a radio signal including multiple receiving units  
A system for receiving a radio signal representing a radio program comprises at least first and second radio receiver units. Each receiver unit receives the radio signal at a respective frequency...
5661787 System for on-demand remote access to a self-generating audio recording, storage, indexing and transaction system  
The system allows radio broadcast listeners to use a telephone to connect to a database that contains prerecorded audio descriptions (e.g. spoken text and/or music) of material played by the radio...
5659891 Multicarrier techniques in bandlimited channels  
A method of multicarrier modulation using co-located transmitters to achieve higher transmission capacity for mobile paging and two-way digital communication in a manner consistent with FCC...
5649297 Transmitting digital data using multiple subcarriers  
Two separate subcarriers are used to transmit portions of a single message to one or more receivers on an FM radio signal. The synchronization and addressing data necessary to identify the message...
5613210 Telecommunication network for transmitting information to a plurality of stations over a single channel  
In a multiple access network a main station is to be capable of distinguishing signals transmitted by sub-stations to the main station. A method of realising this is the use of SCMA (SubCarder...
5604921 Radiotelephone user interface for broadcast short message service  
This invention pertains to a method for operating a radiotelephone for receiving digitally encoded broadcast messages from a radio channel, and also to a radiotelephone that operates in accordance...
5603088 Method and apparatus for determining a quality level of an analog signal in a radio communication system  
A radio transmitter (103) transmits a cycle (320) including a digital portion (330) generated by frequency modulating a radio carrier with a digital signal and an analog portion (440) generated by...
5590195 Information dissemination using various transmission modes  
A system and method of information dissemination that permits the user to listen to the specific content of information when and where he or she wants to. A radio or television receiver system...
5584051 Radio broadcast transmission system and receiver for incompatible signal formats, and method therefor  
The present invention provides for an analog and/or digital radio broadcast transmission system and radio receiver therefor, which includes a control signal having an item of control information...
5581576 Radio information broadcasting and receiving system  
A radio information broadcasting and receiving system consisting of three major parts: an FM transmitter station with subcarrier multiplexing capability, an FM receiver apparatus with subcarrier...
5579537 Broadcast system with associated data capabilities  
A broadcast system includes a device to compare program material to be transmitted with a database of known material and to transmit along with the program material data corresponding to that...
5572201 Alerting device and system for abnormal situations  
A warning system for alerting a person to an emergency situation which includes a transmitter responsive to a visual or acoustic alerting system for transmitting an alarm signal on an RF carrier...
Matches 51 - 100 out of 191 < 1 2 3 4 >