Patents
Sitemap › H04 - Electric communication technique › H04H - Broadcast communication › H04H 20 - Arrangements for broadcast or for distribution combined with broadcast
Patents for H04H 20 - Arrangements for broadcast or for distribution combined with broadcast (21,050)
12/1995
12/20/1995EP0455798B1 Process and device for generating an entertainment audio signal interrupted by advertising audio signals
12/20/1995CN1113636A 数据传输系统 The data transmission system
12/14/1995WO1995034168A2 A two-way multiple access communication system, and a central station and a user station for use in such a system
12/14/1995WO1995034166A1 Method and apparatus for video signal encoding, decoding and monitoring
12/13/1995EP0686334A1 Generation of enlarged participatory broadcast audience
12/07/1995WO1995033319A1 Unintentional power radiation fm transmission system
12/07/1995WO1995033318A1 Multiplex receiver and multiplex receiving system broadcasting
12/07/1995WO1995033310A1 Apparatus for converting tv audio signals for reception on a nearby am and/or fm receiver
12/07/1995DE4417993A1 Verfahren zur Übertragung von digitalen Audio-Signalen und Vorrichtung zur Übertragung digitaler Audio-Signale Method for transmitting digital audio signals, and apparatus for transmitting digital audio signals
12/05/1995US5473638 Digital signal processor delay equalization for use in a paging system
12/05/1995US5473290 Variable-throughput digital modulator and its use in FM radio broadcasting
11/1995
11/30/1995WO1995032563A1 Apparatus and method for generating product coupons in response to televised offers
11/30/1995WO1995032562A1 Process and device for transmitting digital audio signals
11/29/1995EP0683944A1 Improvements relating to duplex communications systems
11/29/1995EP0683943A1 Multi-media distribution and multi-media player
11/28/1995US5471662 Radio data system receiver
11/28/1995US5471642 Re-broadcast system for a plurality of AM signals
11/23/1995WO1995026594A3 Transmission of tuning data of broadcasting transmitters to a receiver
11/23/1995DE4417562A1 Paging system with long and/or medium wave transmitters
11/22/1995EP0682850A1 Method and apparatus for compressing, method for transmitting, and method and apparatus for expanding compressed multi-channel sound signals, and recording medium for compressed multi-channel sound signals
11/22/1995EP0682830A1 A multiplex control packet for digital services
11/21/1995US5469495 Method and apparatus for delivering secured telephone service in hybrid coaxial cable network
11/21/1995US5469207 Method of labelling a broadcast signal including transmitting a sequence of program labels
11/16/1995WO1995031070A2 Point-to-multipoint cellular television transmission system
11/16/1995WO1995030956A1 Method and apparatus for encoding and decoding a digital radio signal
11/16/1995DE4424778C1 Verfahren zur Übertragung und Verfahren zum Empfang von Lokalen Rundfunkprogrammen in einem Gleichwellennetz sowie zugehörige Sender und Empfänger A method for transmitting and receiving method of local radio programs in a single frequency network and associated transmitter and receiver
11/16/1995DE4412023A1 Encoded transmitted information receiving method
11/16/1995CA2166557A1 Point-to-multipoint cellular television transmission system
11/15/1995EP0682421A1 A method of detecting the presence of multiple language audio channels in a digital audio signal
11/15/1995EP0681764A1 A transmission system, and a transmitter and a receiver for use in such a system
11/14/1995US5467399 Coherent signal generation in digital radio receiver
11/14/1995US5467384 Method and apparatus for providing power to a coaxial cable network
11/14/1995US5467212 Addressable grating modulation system for optical cable TV system
11/08/1995CN1111433A Apparatus for processing NTSC TV signals having digital signals on quadrature-phase video carrier
11/07/1995US5465396 In-band on-channel digital broadcasting
11/07/1995US5465385 CATV system with an easy program reservation
11/07/1995US5465240 Apparatus and methods for displaying text in conjunction with recorded audio programs
11/07/1995US5465088 Receiver for traffic messages
11/02/1995WO1995029543A1 Method of transmitting additional digital information over a transmission channel such as a radio-broadcast channel
11/02/1995EP0680166A1 Method for tuning a broadcast receiver using programme identification data transmitted on an auxiliary subcarrier
11/02/1995EP0680165A1 Method for tuning a broadcast receiver using programme identification data transmitted on an auxiliary subcarrier
11/02/1995EP0679315A1 Video facility management system
11/02/1995EP0679303A1 Digital broadcasting sharing the channel with an analog fm transmission
11/02/1995DE4414506A1 Connector module for traffic information memory
10/1995
10/31/1995US5463424 Multi-channel transmitter/receiver system providing matrix-decoding compatible signals
10/26/1995WO1995028810A1 Digital signal divided into self-contained data containers, in particular for data transmission to selective call receivers
10/26/1995WO1995028804A1 A distance learning system providing individual television participation, audio responses, and memory for every student
10/26/1995WO1995028803A1 Apparatus and method for accessing broadcast information
10/26/1995WO1995028798A1 System and method for subscriber interactivity in a television system
10/26/1995DE4414298A1 Verfahren zur Übertragung von digitalen Informationen über einen Übertragungskanal A method of transmission of digital information via a transmission channel
10/26/1995DE4414140A1 Local reception and transmission distribution network covering internal and external transmissions
10/26/1995CA2187867A1 Digital signal divided into self-contained data containers, in particular for data transmission to selective call receivers
10/24/1995US5461612 Drop-and-add multiplexer for converting and processing a frequency multiplex signal
10/19/1995WO1995028059A1 Interactive communications system with data distribution
10/19/1995WO1995028044A1 A method and system for digital audio information broadcasting comprising data compression, encryption and speech synthesizing
10/19/1995DE4433982C1 Vorrichtung zum Auffinden eines verfügbaren Parkplatzes oder Parkhauses Device for finding an available parking space or parking garage
10/19/1995DE4427691C1 Control circuit with slave state monitor for community antenna system
10/19/1995DE19514105A1 Head phone room noise adaptation circuit
10/18/1995EP0677932A1 Method and apparatus for multichannel sound encoding
10/18/1995EP0647382A4 Method and apparatus for encoding a video signal having multi-language capabilities.
10/18/1995CN1110495A Method and apparatus for delivering secured telephony service in a hybrid coaxial cable network
10/18/1995CN1110494A Method and apparatus for providing power to a coaxial cable network
10/12/1995WO1995027350A1 Frequency agile broadband communications system
10/12/1995WO1995027349A1 Apparatus and methods for including codes in audio signals and decoding
10/12/1995WO1995027348A1 Customer premises equipment receives high-speed downstream data over a cable television system and transmits lower speed upstream signaling on a separate channel
10/12/1995WO1995027347A1 Apparatus and method for integrating downstream data transfer over a cable television channel with upstream data carried by other media
10/12/1995CA2186879A1 Frequency agile broadband communications system
10/11/1995EP0676872A1 Cyclical and cellular data radio broadcasting
10/11/1995EP0653115A4 Polarity reversing dc power supply for remotely located equipment.
10/11/1995CN1030027C Dynamic callback technique
10/10/1995US5457815 RBDS scan, identify and select receiving method and system
10/10/1995US5457807 Technique for surveying a radio or a television audience
10/10/1995US5457739 Method and system of interactive access to radio broadcast information elements
10/10/1995US5457423 Radio data signal demodulator with clock signal recovery
10/05/1995WO1995026608A1 Method of producing an electronic tv/radio-programme timetable
10/05/1995WO1995026597A1 Methods for providing conditional access information to decoders in a packet-based multiplexed communications system
10/05/1995WO1995026594A2 Transmission of tuning data of broadcasting transmitters to a receiver
10/05/1995DE4410547A1 Verfahren zur Erstellung einer elektronischen Programmzeitschrift und Schaltung hierfür Method to create an electronic program guide and circuit therefor
10/05/1995DE3990151C1 Audio signal processor input-output characteristic parameter measurer
10/04/1995EP0675627A1 Multimedia communication arrangement
10/04/1995EP0675612A2 Digital audio signal transmission apparatus
10/04/1995EP0674824A1 Television program delivery system
10/03/1995US5455965 Method for determining and utilizing simulcast transmit times
10/03/1995US5455866 Adaptive separation control for stereophonic radio receiver
10/03/1995US5455823 Electronic device
10/03/1995US5455630 Method and apparatus for inserting digital data in a blanking interval of an RF modulated video signal
10/03/1995US5455570 Methods and apparatus for communication program data signals via a remote control unit
10/03/1995CA2086010C Method and apparatus for synchronizing simulcast systems
09/1995
09/28/1995WO1995026112A1 Method and equipment for transmitting messages to mobile radio stations
09/28/1995WO1995026083A1 Process for coding a plurality of audio signals
09/28/1995WO1995026081A1 High performance modem using pilote symbols for equalization and frame synchronization
09/28/1995CA2186158A1 Method and equipment for transmitting messages to mobile radio stations
09/28/1995CA2185801A1 High performance modem using pilote symbols for equalization and frame synchronization
09/27/1995EP0674405A1 Method for surveying a radio or a television audience
09/27/1995EP0673583A1 Advanced set top terminal for cable television delivery systems
09/27/1995EP0673582A1 Reprogrammable terminal for suggesting programs offered on a television program delivery system
09/27/1995EP0673581A1 Set top terminal for cable television delivery systems
09/27/1995EP0673580A1 An operation center for a television program packaging and delivery system
09/27/1995EP0673579A1 Network controller for cable television delivery systems
09/27/1995EP0673578A1 Apparatus and method for use in a digital cable headend for cable television delivery system
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