Patents for H04H 20 - Arrangements for broadcast or for distribution combined with broadcast (21,050) |
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11/25/1992 | EP0515214A1 Radio system with measurement and adjustment of transfer delay |
11/18/1992 | CN1066360A Automatic frequency selection in bi-directional cable televison system |
11/18/1992 | CN1066351A Power line frequency-amplitude cable station |
11/12/1992 | DE4219662A1 Recorder and playback appts. for radio traffic messages - stores messages in semiconductor memory for later access by driver |
11/10/1992 | US5162905 Automatic commercial message recognition and monitoring device |
11/10/1992 | US5162790 Multiple transmitter paging system |
11/10/1992 | CA1309886C2 Electrical socket device for use in a closed-loop, programmable power and communication system |
11/05/1992 | DE4113918A1 Broadcasting information transmission system providing time details of programmes - has identification data digitally processed by receiver to indicate remaining time and start time details of programmes in progress |
11/03/1992 | US5161251 Apparatus and methods for providing text information identifying audio program selections |
10/29/1992 | WO1992019093A1 Radio receiver, especially vehicle radio |
10/28/1992 | EP0510914A2 RDS receiver |
10/28/1992 | EP0510848A2 Continuous reception of program channels by a mobile receiver unit |
10/28/1992 | EP0510247A2 Method and apparatus for transmitting digital audio signals from audio studios to the individual transmitting stations of a terrestrial broadcasting network |
10/24/1992 | WO1992019073A1 Broadcast verification system |
10/24/1992 | CA2106486A1 Broadcast verification system |
10/24/1992 | CA2065659A1 Continuous reception of program channels by a mobile receiver unit |
10/22/1992 | DE4112828A1 Rundfunkempfaenger, insbesondere fahrzeugempfaenger Rundfunkempfaenger, especially fahrzeugempfaenger |
10/21/1992 | EP0509725A2 Reducing audible noise in stereo receiving |
10/21/1992 | EP0497769A4 System with compact spectrum |
10/21/1992 | CN1065564A Automatic remote-control device for broadcast |
10/15/1992 | WO1992017948A1 Process for transmitting digitized audio signals |
10/15/1992 | DE4111855A1 Verfahren zum rundfunkmaessigen uebertragen eines digital codierten datenstroms A method for rundfunkmaessigen by wearing a digitally encoded data stream |
10/14/1992 | EP0508369A1 Method for selecting a broadcasting station in a RDS-receiver |
10/13/1992 | US5155859 Simulcast transmission system having automatic audio equalization |
10/13/1992 | US5155769 Discrete parallel path modulation multiplexer |
10/13/1992 | US5155590 System for data channel level control |
10/12/1992 | WO1992019053A1 Process for radio transmission of a digitally coded data stream |
10/08/1992 | DE4111131A1 Verfahren zum uebertragen digitalisierter tonsignale A method for digitized audio signals carry over |
10/07/1992 | EP0507530A2 Radio data system receiver |
10/07/1992 | EP0506677A1 Reception aerial process and system |
10/06/1992 | US5153723 HDTV audio subsystem with timing characteristics compatible with video subsystem |
10/01/1992 | WO1992017009A1 Improved digital system for recording and reproducing radiophonic advertisements |
09/30/1992 | WO1993019542A2 Process for transmitting or storing digitalized, multi-channel audio signals |
09/29/1992 | US5151939 Adaptive audio processor for am stereo signals |
09/29/1992 | US5151782 Control system for satellite delivered pay-per-view television system |
09/22/1992 | US5150113 Method and apparatus for transmitting an information signal together with data packets of related and unrelated textual information and receiving apparatus therefor |
09/22/1992 | US5150070 Demodulator for biphase, suppressed-carrier psk signals |
09/20/1992 | WO1992017010A1 Automatic frequency selection in a bi-directional cable television system |
09/20/1992 | CA2106599A1 Automatic frequency selection in a bi-directional cable television system |
09/16/1992 | EP0504018A1 Improvement to isofrequential radio networks |
09/16/1992 | EP0503202A2 Method of controlling RDS receiver |
09/16/1992 | EP0502977A1 Satellite based simulcast paging system |
09/16/1992 | EP0438463A4 High data rate simulcast communication system |
09/16/1992 | CN1064576A High-low voltage transmission system for power network broadcast |
09/15/1992 | CA1307560C Method of generating an amplitude-modulated isb transmission signaland apparatus for carrying out the method |
09/10/1992 | DE4107368A1 Car radio with traffic situation updating function - has traffic signal decoder coupled to display device with temporary storage of traffic announcement in digital form |
09/08/1992 | US5146612 Technique for using a subcarrier frequency of a radio station to transmit, receive and display a message together with audio reproduction of the radio program |
09/02/1992 | CN2114930U Induction type broadcasting wave carrier |
09/01/1992 | US5144548 Routing switcher |
08/26/1992 | EP0499608A1 Radio receiver, in particular for vehicles. |
08/25/1992 | US5142692 Transmitting information with cut and flip spectrum |
08/18/1992 | CA1306502C Simulcast broadcasting system and method |
08/13/1992 | DE4103064A1 Radio data signal receiver esp. for car |
08/12/1992 | EP0497769A1 System with compact spectrum. |
08/12/1992 | EP0298959B1 Fm receiver with noise suppression during rayleigh faded received signals |
08/07/1992 | WO1992014312A1 Am-fm combined stereo receiver |
08/07/1992 | WO1992014311A1 Am-fm combined stereo receiver |
08/06/1992 | WO1992013417A1 Simulcast transmission system having predetermined launch times |
08/06/1992 | WO1992013403A1 Procedure for the identification of transmitter or region in common-wave broadcasting networks |
08/06/1992 | DE4103061A1 Radio data signal receiver esp. for car |
08/06/1992 | DE4102408A1 Verfahren zur sender- bzw. regionalkennung in gleichwellennetzen Method for station- or regional recognition in the same wave networks |
08/05/1992 | EP0497449A2 Information transmission system |
08/05/1992 | EP0497116A2 RDS broadcast receiver |
08/05/1992 | EP0497115A2 RDS broadcast receiver |
08/05/1992 | EP0497073A2 Wide-band domestic reconfigurable multipoint cable network for simultaneous and/or alternative distribution of several types of signals |
08/05/1992 | EP0497035A2 Simulcast automatic alignment system |
08/04/1992 | US5136411 Dynamically responsive CATV system with shared fiber optic link |
08/04/1992 | CA1306053C Closed circuit television system having seamless interactive television programming and expandable user participation |
07/28/1992 | US5134719 Apparatus and methods for identifying broadcast audio program selections in an FM stereo broadcast system |
07/23/1992 | WO1992012607A1 Encoder/decoder for multidimensional sound fields |
07/23/1992 | WO1992012599A1 Audio and video transmission and receiving system |
07/22/1992 | EP0495136A2 Method of transmitting data in RDS broadcasting |
07/22/1992 | CN1063006A Method and apparatus for transmitting, receiving and communicating program data signals with digital data signals |
07/21/1992 | US5133081 Remotely controllable message broadcast system including central programming station, remote message transmitters and repeaters |
07/21/1992 | US5132992 Audio and video transmission and receiving system |
07/14/1992 | US5130815 Method and apparatus for encoding a video signal having multi-language capabilities |
07/07/1992 | US5128933 Process and device for the radio transmission of coded data superimposed on a traditional frequency-modulated broadcast |
07/07/1992 | US5128752 System and method for generating and redeeming tokens |
07/01/1992 | EP0491701A1 Digital medium providing information per still-frame |
06/30/1992 | US5127101 Simulcast auto alignment system |
06/30/1992 | US5126702 Current supply means for wideband distribution |
06/30/1992 | CA1304526C Dynamic callback technique |
06/25/1992 | WO1992011707A1 Simulcast scheduler |
06/23/1992 | US5125100 Optimal signal synthesis for distortion cancelling multicarrier systems |
06/23/1992 | US5124698 Method and apparatus for synchronizing radio transmitters in a paging network |
06/13/1992 | WO1992010888A1 Process for transmitting additional information with an a.m. radio signal |
06/10/1992 | EP0489281A2 Arrangement for signal processing in the modulation path to a transmitter |
06/10/1992 | EP0489247A2 RDS broadcast receiver with extended storage capacity for the registration of alternative frequencies |
06/10/1992 | CN1061877A Numerically controlled non-interrupted operating circuit for broadcasting transmitter |
06/09/1992 | US5121203 HDTV transmission system with reduced NTSC CO-channel interference |
06/09/1992 | US5120076 Method of evaluating data relating to a common subject |
06/02/1992 | US5119507 Receiver apparatus and methods for identifying broadcast audio program selections in a radio broadcast system |
06/02/1992 | US5119503 Apparatus and methods for broadcasting auxiliary data in an FM stereo broadcast system |
05/28/1992 | WO1992010040A1 Method and apparatus for transmitting, receiving and communicating data signals with corresponding program data signals |
05/27/1992 | DE4037137A1 LF generator with binary coding switch - acts on first digital memory for frequency divider ratios |
05/26/1992 | US5117424 Method and apparatus for setting clock signals to predetermined phases at remote broadcast sites in simulcast systems |
05/20/1992 | EP0486229A2 Satellite control link for paging system |
05/14/1992 | WO1992008303A1 Multichannel operation of rds |
05/14/1992 | CA2055327A1 Satellite control link for paging system |
05/12/1992 | US5113437 Signal identification system |