| Patents for H04H 20 - Arrangements for broadcast or for distribution combined with broadcast (21,050) |
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| 09/27/1995 | EP0673568A1 Apparatus and methods for music and lyrics broadcasting |
| 09/27/1995 | EP0673565A1 Generation of a coherent signal using an adaptive filter for cancelling and synchronous detection in a digital radio receiver. |
| 09/27/1995 | CN1109241A 数据传输系统 The data transmission system |
| 09/26/1995 | CA2119970A1 Program monitoring system |
| 09/21/1995 | WO1995025409A1 Sectorized multi-function cellular radio communication system |
| 09/21/1995 | WO1995025389A1 Process for initialising a frame timing and arrangement and use |
| 09/21/1995 | DE4409368A1 Verfahren zum Codieren mehrerer Audiosignale A method for encoding a plurality of audio signals |
| 09/21/1995 | DE4408930A1 Combination audio system suitable for motor vehicle installation |
| 09/21/1995 | CA2185711A1 Sectorized multi-function cellular radio communication system |
| 09/20/1995 | EP0642717A4 Method and apparatus for synchronizing a simulcast transmission system. |
| 09/14/1995 | WO1995024781A1 Method and apparatus for am compatible digital broadcasting |
| 09/14/1995 | WO1995024780A1 Digital broadcast systems for local transmissions |
| 09/14/1995 | DE4433033C1 Entertainment transmissions recording control method |
| 09/14/1995 | DE4410546C1 Setting and/or changing recording duration of video or audio tape recorder |
| 09/13/1995 | EP0504175B1 Method of labelling a broadcast signal |
| 09/13/1995 | EP0275328B1 Apparatus for collecting tv channel data and market research data |
| 09/13/1995 | CN1029765C Method and arrangement for transmission of informations utilizing frequency modulation broadcast system |
| 09/12/1995 | US5450490 Apparatus and methods for including codes in audio signals and decoding |
| 09/12/1995 | US5450134 Video facility management system for encoding and decoding video signals to facilitate identification of the video signals |
| 09/07/1995 | DE4405385A1 Electronic equipment preventing unauthorised starting of vehicle |
| 09/07/1995 | DE19501086A1 Determn. of receivability of radio signals from site information |
| 09/05/1995 | US5448767 Transmitter network with a single transmitter frequency |
| 08/30/1995 | EP0669070A1 Audience measurement system |
| 08/30/1995 | EP0669062A1 Mobile two-way communication system |
| 08/29/1995 | US5446919 Communication system and method with demographically or psychographically defined audiences |
| 08/29/1995 | US5446490 Interactive television with tailored programming |
| 08/24/1995 | WO1995022816A1 Method and apparatus for adaptive power adjustment of mixed modulation radio transmission |
| 08/22/1995 | US5444769 Data communications system for establishing links between subscriber stations and broadcast stations |
| 08/22/1995 | US5444720 Method for the transmission of items of auxiliary information in an AM radio broadcast signal |
| 08/16/1995 | EP0667069A1 Arrangement in mobile telecommunications systems for providing for synchronization of the transmitters of the base stations |
| 08/16/1995 | EP0667063A1 Process for transmitting and/or storing digital signals from several channels. |
| 08/15/1995 | US5442709 Circuit for decoding a multiplex signal in a stereo receiver |
| 08/15/1995 | US5442652 Broadcast synchronized communication system |
| 08/15/1995 | US5442646 Subcarrier communication system |
| 08/15/1995 | US5442389 Program server for interactive television system |
| 08/10/1995 | DE4403729A1 TV receiving installation, e.g. within hotel with own programme facility |
| 08/09/1995 | EP0666659A2 Transmitting auxiliary information on a subcarrier of a broadcast transmission |
| 08/09/1995 | EP0666010A1 Interactive nationwide data service communication system for stationary and mobile battery operated subscriber units |
| 08/08/1995 | US5440584 Process for transmitting or storing over disturbed channels a digitalized, encoded audio signal composed of a series of information blocks |
| 08/08/1995 | US5440335 Method and apparatus for delivering passband and telephony signals in a coaxial cable network |
| 08/08/1995 | CA2140969A1 Dynamic cable signal assembly |
| 08/03/1995 | WO1995017798A3 Control device for radio coverage in a cellular digital mobile communication system |
| 08/03/1995 | DE4422015C1 Transmission and reception of digital audio with image, speech or text |
| 08/02/1995 | EP0664938A1 Method and apparatus for transmission path delay measurements using adaptive demodulation |
| 08/01/1995 | US5438687 System for selecting route-relevant information when using the radio data system (RDS) |
| 07/27/1995 | WO1995020276A1 Process for finding the receivability of radio signals in a radio system |
| 07/27/1995 | DE4400865A1 Optimising stereo reproduction in FM receiver |
| 07/26/1995 | EP0664637A1 Integrated telephone and cable communication networks |
| 07/25/1995 | US5437052 MMDS over-the-air bi-directional TV/data transmission system and method therefor |
| 07/25/1995 | US5436822 Polarity reversing DC power supply for remotely located equipment |
| 07/25/1995 | US5436591 Demodulator for radio data signals |
| 07/20/1995 | WO1995019669A1 A telecommunication system |
| 07/20/1995 | WO1995019668A1 A method and system for audio information dissemination using various transmission modes |
| 07/20/1995 | CA2181151A1 A telecommunication system |
| 07/19/1995 | EP0663122A1 Method and system for broadcasting at least one cutaway programme on an fm network, especially a synchronous network |
| 07/18/1995 | US5434948 Polyphonic coding |
| 07/13/1995 | WO1995019076A1 Methods and apparatus for providing virtual service selection in a multi-service communications system |
| 07/12/1995 | EP0662270A1 Method for synchronising transmitter frequencies in common wave digital audio broadcast |
| 07/12/1995 | EP0617861B1 Process for improving the coverage of radio cells in a cellular mobile radio system and device for implementing it |
| 07/12/1995 | EP0580617B1 Radio receiver, especially vehicle radio |
| 07/11/1995 | US5432855 Stereo and dual audio signal identifying system |
| 07/11/1995 | US5432542 Television receiver location identification |
| 06/29/1995 | WO1995017798A2 Control device for radio coverage in a cellular digital mobile communication system |
| 06/29/1995 | DE4446298A1 Programm-Reservierungssystem Program Reservation System |
| 06/29/1995 | DE4344597A1 Drop-and-add multiplier for handling frequency multiplex signal |
| 06/29/1995 | DE4343950A1 Additional information transmitting circuitry for video, audio or data signal |
| 06/28/1995 | EP0660540A2 Decoder for decoding an encoded digital signal and a receiver comprising the decoder |
| 06/27/1995 | US5428827 Radio receiver with a radio data signal (RDS) decoder |
| 06/27/1995 | US5428825 Method of selecting receiving frequency for RDS receiver |
| 06/27/1995 | US5428610 FM radio system employing time shared wide SCA for digital data band |
| 06/22/1995 | WO1995017059A1 Method for encrypting and embedding information in a video program |
| 06/22/1995 | DE4343629A1 Digital radio signal generation system for satellite communications |
| 06/22/1995 | DE4342775A1 Information call up system |
| 06/22/1995 | DE19503213A1 Digital source and control data transmission system |
| 06/21/1995 | EP0658989A1 Device for frequency multiplexing a data signal and a tone signal |
| 06/20/1995 | US5426467 Video special effect processor |
| 06/15/1995 | WO1995016333A1 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 |
| 06/15/1995 | WO1995016313A1 A communications system and associated apparatus |
| 06/14/1995 | EP0658017A1 FM stereo broadcasting apparatus and method, using digital signal processing |
| 06/14/1995 | CN1103740A Broadcasting paging technology using frequency-modulation broadcast subchannel |
| 06/13/1995 | US5425101 System and method for simultaneously authorizing multiple virtual channels |
| 06/13/1995 | US5425100 Universal broadcast code and multi-level encoded signal monitoring system |
| 06/08/1995 | WO1995015657A1 An operations center with video storage for a television program packaging and delivery system |
| 06/08/1995 | WO1995015654A1 Transaction based interactive television system |
| 06/08/1995 | WO1995015653A1 Interactive television security through transaction time stamping |
| 06/08/1995 | WO1995015634A1 System and method for transmitting and receiving variable length authorization control for digital services |
| 06/08/1995 | WO1995015632A1 System and method for simultaneously authorizing multiple virtual channels |
| 06/07/1995 | EP0656702A1 Method and circuit for inserting data in a common wave radiotransmission |
| 06/06/1995 | US5423059 Method for enhancing signal quality in a simulcast communication system |
| 06/06/1995 | US5423058 Simulcast transmission system with selective call tones |
| 06/06/1995 | US5422681 Satellite broadcast receiving apparatus capable of forming co-distributing system |
| 06/06/1995 | US5422668 Television signal switching device for a cable distribution system |
| 06/01/1995 | WO1995015058A1 Interactive communications system with data distribution |
| 06/01/1995 | WO1995015041A1 A transmission system, and a transmitter and a receiver for use in such a system |
| 06/01/1995 | WO1995015040A1 Process and circuit for distributing information on broadcast programmes, preferably in wideband automatic telecommunications networks |
| 05/31/1995 | EP0655180A1 Digital simulcast transmission system |
| 05/30/1995 | US5420923 Addressed messaging in a cable television system |
| 05/30/1995 | US5420866 Methods for providing conditional access information to decoders in a packet-based multiplexed communications system |
| 05/24/1995 | EP0654201A1 Process and device for a microcellular common-channel radio system. |
| 05/24/1995 | DE4435833A1 Information channel data encoding, transmission, storage and decoding e.g. for HDTV signal |