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)
12/1994
12/22/1994	WO1994029977A1 Digital broadcast system
12/21/1994	EP0630126A1 Method and device for the digital demodulation of digital data
12/21/1994	CN1096619A Intensity-stereo encoding and decoding in a transmission system
12/21/1994	CN1096618A Digital transmission system for transmitting an additional signal such as a surround signal
12/15/1994	DE4319521A1 Method for reducing and enlarging edge-illuminated radio cells in mobile radio networks with multiple supply
12/15/1994	DE4319217A1 Method for transmitting and/or receiving high volumes of digital data in parallel and transmitters and receivers suitable for carrying out the method
12/13/1994	CA1333499E Closed Circuit Television System Having Seamless Interactive Television Programming and Expandable User Participation
12/08/1994	WO1994028679A1 An integrated video and audio signal distribution system for use on commercial aircraft and other vehicles
12/08/1994	WO1994028671A1 Method and apparatus for providing power to a coaxial cable network
12/08/1994	WO1994028639A1 Short range transmission of a plurality of signals simultaneously using high frequency carriers
12/08/1994	DE4419428A1 Circuit arrangement for a demodulator of a radio data signal in a broadcast receiver
12/07/1994	EP0627834A1 Demodulator for RDS signals
12/07/1994	EP0627833A1 Demodulator for RDS signals
12/07/1994	EP0627832A1 Demodulator for RDS signals
12/07/1994	EP0627138A1 Demodulator for radio data signals.
12/07/1994	CN1096151A Reprogrammable terminal for suggesting programs offered on a television program delivery system
11/1994
11/29/1994	US5369779 Two-way MMDS communications system
11/29/1994	US5369682 Digital simulcast transmission system
11/24/1994	WO1994027367A1 Radio broadcast reception process and circuitry
11/23/1994	EP0617864A4 Spread-spectrum data publishing system.
11/17/1994	EP0624963A1 Sound echo cancelling system for satellite news gathering systems
11/17/1994	EP0624948A1 Tuner for radio data system
11/17/1994	DE4408852C1 Method for providing a frame clock and an arrangement and use
11/17/1994	DE4316683A1 Method and circuit arrangement for broadcast reception
11/15/1994	US5365569 Digital simulcast transmission system
11/15/1994	CA1333089C Low power multi-function cellular television system
11/11/1994	CA2095911A1 Monitor receiving system and a monitor receiving device
11/10/1994	DE4331376C1 Method for determining the type of encoding to selected for the encoding of at least two signals
11/09/1994	EP0623896A2 Chip card and chip card reading device and broadcast receiver
11/09/1994	EP0623256A1 Variable speed asynchronous modem
11/02/1994	EP0622917A1 Method for transmitting digital compressed audio and/or video signals over a satellite or cable channel
11/02/1994	CN1094551A Digital signal processor delay equalization for use in a paging system
11/01/1994	US5361398 Method and apparatus for transmission path delay measurements using adaptive demodulation
11/01/1994	US5361394 Upstream signal control apparatus for cable television system
10/1994
10/27/1994	WO1994024826A1 Addressed messaging in a cable television system
10/27/1994	WO1994024784A2 Broadcast system with associated data transmission capabilities
10/27/1994	WO1994024783A1 Bi-directional tv/data transmission system
10/27/1994	WO1994024782A1 Process and device for identifying a programme information
10/26/1994	EP0621718A1 Data broadcasting system
10/25/1994	US5359661 Out-of-lock detector for synchronous AM detection
10/19/1994	EP0619928A1 Simultaneous transmission of audio and data signals
10/18/1994	US5357574 Coherent signal generation in digital radio receiver
10/12/1994	EP0619648A1 Circuit for the attenuation of a digital audio signal during short disturbances
10/12/1994	EP0254743B1 Pay-per-view catv system
10/11/1994	US5355529 Paging system with satellite time base
10/11/1994	US5355526 Method for the field strength dependent analysis of radio information for vehicles
10/11/1994	US5355393 Digital oscillator for carrier frequency synchronization
10/05/1994	EP0618693A1 Sound field and tone control device for FM radio receiver using radio data signals
10/05/1994	EP0617864A1 Spread-spectrum data publishing system
10/05/1994	EP0617861A1 Process for improving the coverage of radio cells in a cellular mobile radio system and device for implementing it.
10/05/1994	CN1093211A An operations center for a television program packaging and delivery system
10/04/1994	US5353307 Automatic simulcast alignment
09/1994
09/29/1994	WO1994022244A1 Broadcasting communication system
09/29/1994	WO1994022243A1 Radio receiver for information dissemination using subcarrier
09/29/1994	WO1994022229A1 Circuit for deriving audio signal masking signals
09/29/1994	WO1994022228A1 Circuit for deriving a quality signal dependent on the quality of a received multiplex signal
09/29/1994	CA2136541A1 Broadcasting communication system
09/27/1994	US5351075 Home video club television broadcasting system
09/21/1994	EP0597084A4 Method and apparatus for maintaining synchronization in a simulcast system.
09/20/1994	US5349699 Radio receiver with masking of switchover noise
09/15/1994	WO1994016506A3 Digital broadcasting sharing the channel with an analog fm transmission
09/14/1994	EP0614584A1 Digital data transmission process in the null symbol of a cofdm modulation process.
09/14/1994	EP0557298A4 Simulcast scheduler
09/14/1994	EP0383775B1 A pay per view entertainment system
09/14/1994	CN1092225A 无线电接收机 Radio receiver
09/13/1994	US5347304 Remote link adapter for use in TV broadcast data transmission system
09/08/1994	DE4306595A1 Autoradio mit einem Decoder für zusätzliche Signale und mit einem Speicher für übermittelte Informationen Car radio with a decoder for additional signals and a memory for any information submitted
09/07/1994	EP0613601A1 Headend processing for a digital transmission system
09/07/1994	EP0613600A1 Transaction based interactive television system
09/06/1994	US5345606 RDS radio receiver with user-definable-region filtering
09/06/1994	US5345602 Receiver with multiple antennas
09/06/1994	US5345599 Increasing capacity in wireless broadcast systems using distributed transmission/directional reception (DTDR)
09/06/1994	US5345594 Information transmission system retransmitting information signals according to retransmission schedule
09/01/1994	WO1994019906A1 Generation of enlarged participatory broadcast audience
09/01/1994	WO1994019881A1 System and method for remotely selecting subscribers and controlling messages to subscribers in a cable television system
09/01/1994	DE4337135C1 Drop-and-add multiplexer for converting and conditioning a frequency-division multiplex signal
09/01/1994	CA2155537A1 System and method for remotely selecting subscribers and controlling messages to subscribers in a cable television sysem
08/1994
08/31/1994	CN1091567A Apparatus and methods for music and lyrics broacasting
08/31/1994	CN1091558A Method for the compatible transmission and/or storage and decoding of an auxiliary signal
08/30/1994	US5343511 Method for selecting a broadcast voice channel served in a telephone switching network, and a system thereof
08/30/1994	US5343239 Transaction based interactive television system
08/30/1994	US5343193 Matrix switcher apparatus
08/24/1994	EP0611505A1 Coding method for fdm broadcast transmissions, transmitter and receiver for carrying out the method
08/23/1994	US5341431 AM stereo detection and audio processing apparatus
08/23/1994	US5341216 CATV channel access control and metering apparatus
08/18/1994	WO1994018764A1 Improvements relating to duplex communications systems
08/18/1994	WO1994018763A1 Multi-media distribution and multi-media player
08/17/1994	EP0610941A1 Device and method for automatic recognition of electrical signal sequences, transmitted from a transmitter station to a receiving station
08/17/1994	EP0610367A1 Information broadcasting system and method
08/17/1994	EP0610313A1 Radio transmission system and radio receiver
08/17/1994	EP0515431B1 Process for radio transmission of a time-variant control signal and for receiving such a control signal
08/16/1994	US5339315 Cable broadcasting system and the transmission center for on demand program services
08/10/1994	EP0609666A1 Circuit for decoding a multiplex signal in a stereo broadcast receiver
08/10/1994	EP0609300A1 Process for transmitting or storing over disturbed channels a digitalized, encoded audio signal composed of a series of information blocks.
08/09/1994	US5337196 Stereo/multivoice recording and reproducing video tape recorder including a decoder developing a switch control signal
08/04/1994	WO1994017629A1 Automatic tuning radio/tv using filtered seek
08/04/1994	WO1994017604A1 Method and apparatus for transmission path delay measurements using adaptive demodulation
08/03/1994	EP0609111A1 Method and device for consulting traffic information
08/03/1994	EP0608930A1 Digital 3-channel transmission of left and right stereo signals and a center signal
08/03/1994	CN1090454A Set top terminal for cable television delivery systems

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