Patents for H04H 60 - Arrangements for broadcast applications with a direct linkage to broadcast information or to broadcast space-time; Broadcast-related systems (19,742) |
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04/05/1989 | EP0310456A2 Improvements in audio mixing |
03/29/1989 | EP0309326A1 System for measuring the audience rating of a broadcasting station |
03/29/1989 | EP0309269A2 Method and apparatus for determining channel reception of a receiver |
03/28/1989 | US4816904 Television and market research data collection system and method |
03/23/1989 | WO1989002682A1 Signal processing apparatus and methods |
03/16/1989 | DE3729466A1 Device for the combination of apparatuses |
03/14/1989 | CA1251275A1 Meter for passively logging the presence and identity of tv viewers |
03/02/1989 | DE3827310A1 Rundfunkdatensystem (rds)-empfaenger und verfahren zur steuerung eines derartigen empfaengers Radio Data System (RDS) receiver and method for controlling of such a receiver |
03/02/1989 | DE3825886A1 Radio data system receiver with station frequency data |
03/01/1989 | CN1031458A Presentation player |
02/23/1989 | WO1989001725A1 Apparatus for producing controlled movement |
02/14/1989 | US4805020 Television program transmission verification method and apparatus |
02/08/1989 | CN1030989A Method and a device for determining the number of people present in a determined space |
02/01/1989 | EP0301770A2 Radio receiver having station format selection capability |
01/19/1989 | DE3722752A1 Device for setting, storing and fetching an arbitrary number of fixed and variable set quantities in electrical devices |
01/10/1989 | US4797750 Method and apparatus for transmitting/recording computer-generated displays on an information channel having only audio bandwidth |
12/29/1988 | WO1988010540A1 Broadcast information classification system and method |
12/21/1988 | EP0296011A1 Method and device for determining the number of persons present in a determined room |
12/15/1988 | WO1988009978A1 Process and device for determining the number of persons present in a given space |
12/06/1988 | US4789863 Pay per view entertainment system |
12/06/1988 | US4789235 Method and system for generating a description of the distribution of looking time as people watch television commercials |
12/01/1988 | WO1988009588A1 Data transmission system |
11/29/1988 | US4788716 Public opinion polling system |
11/23/1988 | EP0291995A1 Data transmission system |
11/23/1988 | EP0291549A1 Method of timely controlling opening and closing times by means of a computer-controlled time code |
11/01/1988 | CA1244090A1 Cryptographic system for direct broadcast satellite network |
10/26/1988 | EP0288353A1 Method for switching asyschronous digital signals, and device for carrying out this method |
10/26/1988 | EP0287619A1 Control system |
10/18/1988 | US4779198 Collecting data from selected television viewers |
10/18/1988 | US4779129 FM simultaneous broadcast system for CATV |
09/28/1988 | EP0283708A2 Radio receiver with two traffic radio decoders |
09/28/1988 | EP0283570A2 Signal identification system |
09/13/1988 | US4771458 Secure data packet transmission system and method |
09/07/1988 | EP0280914A2 Apparatus for data reception |
09/06/1988 | US4769697 Passive television audience measuring systems |
08/17/1988 | EP0278566A2 Circuit arrangement for the selective connection of signal sources to a signal collector |
07/27/1988 | EP0276036A2 System for collecting data |
07/27/1988 | EP0275328A1 Apparatus for collecting tv channel data and market research data |
07/05/1988 | US4755871 Control of rf answer pulses in a TV answer back system |
07/05/1988 | US4755045 Method and system for generating a synchronous display of a visual presentation and the looking response of many viewers |
06/07/1988 | US4750213 Method and system for editing unwanted program material from broadcast signals |
06/07/1988 | US4750053 Method and system for enabling television commerical monitoring using a marking signal superimposed over an audio signal |
06/07/1988 | US4750034 Apparatus for monitoring the replay of audio/video information carriers |
06/01/1988 | EP0269094A2 Control of rf answer pulses in a tv answer back system |
05/26/1988 | DE3638922A1 Method for transmitting digitised stereophonic audio signals |
05/17/1988 | US4745468 System for evaluation and recording of responses to broadcast transmissions |
05/17/1988 | CA1236885A1 Broadcasting system |
05/03/1988 | US4742516 Method for transmitting voice information |
04/26/1988 | US4741048 One-way addressable system |
04/26/1988 | US4740834 Video program distribution |
04/21/1988 | WO1988002958A1 Control system |
04/20/1988 | EP0264053A2 Broadcast receiving arrangement |
04/19/1988 | US4739510 Direct broadcast satellite signal transmission system |
04/19/1988 | US4739398 Method, apparatus and system for recognizing broadcast segments |
04/13/1988 | EP0263332A2 Receiver for radio traffic transmissions |
04/13/1988 | EP0263177A1 Audio mixer system and gain circuit therefor |
04/06/1988 | EP0262757A2 Method of and apparatus for monitoring a population in a room and for collecting data from television viewers |
03/30/1988 | EP0261483A1 Arrangement for putting through audio signals |
03/29/1988 | US4734764 Cable television system selectively distributing pre-recorded video and audio messages |
03/16/1988 | EP0259717A2 Method for selective information transmission to a user group, and device for carrying out this method |
02/11/1988 | WO1988001117A1 Apparatus for collecting tv channel data and market research data |
02/03/1988 | EP0254743A1 Pay-per-view catv system. |
01/19/1988 | US4720873 Satellite audio broadcasting system |
01/07/1988 | EP0251646A2 Audio production console |
01/05/1988 | US4718106 Survey of radio audience |
12/29/1987 | US4716410 CATV data transmission method |
12/09/1987 | EP0248533A2 Method, apparatus and system for recognising broadcast segments |
12/01/1987 | US4710921 Digital signal transmitting system |
11/19/1987 | DE3615981A1 System for the parameter-programmable processing of audio signals in combination with a programmable switching matrix, for use in the field of analog and digital electronic processing of audio signals |
11/03/1987 | US4704725 Signal processing apparatus and methods |
10/22/1987 | WO1987006404A1 Audio mixer system and gain circuit therefor |
10/07/1987 | EP0240336A2 Method and system for generating a description of the distribution of looking time as people watch television commercials |
10/06/1987 | US4698670 Cable stereo apparatus |
09/29/1987 | US4697209 Methods and apparatus for automatically identifying programs viewed or recorded |
09/29/1987 | CA1227561A1 Television and market research data collection system and method |
09/22/1987 | US4696029 Telephone traffic load control system |
09/22/1987 | US4695880 Electronic information dissemination system |
09/22/1987 | US4695879 Television viewer meter |
09/15/1987 | US4694491 Cryptographic system using interchangeable key blocks and selectable key fragments |
09/15/1987 | US4694490 Signal processing apparatus and methods |
09/08/1987 | EP0222772A4 Television program transmission verification method and apparatus. |
08/19/1987 | EP0232446A1 Wireless transmission from the television set to the televison station |
08/13/1987 | WO1987004884A1 Pay-per-view catv system |
08/12/1987 | EP0231427A2 Television viewer meter |
07/29/1987 | EP0230066A1 A method for decoding data transmitted along a data channel, and an apparatus for executing the method |
07/21/1987 | US4682370 Apparatus for automatically detecting and playing desired audio segments over a broadcast receiver |
07/08/1987 | EP0227825A1 Electronic information dissemination system |
06/30/1987 | US4677686 Passive transmission of data over cable TV systems |
06/30/1987 | US4677674 Apparatus and method for reestablishing previously established settings on the controls of an audio mixer |
06/30/1987 | US4677466 Broadcast program identification method and apparatus |
05/27/1987 | EP0222772A1 Television program transmission verification method and apparatus |
04/14/1987 | US4658290 Television and market research data collection system and method |
04/07/1987 | US4656629 Digital signal transmitting and/or receiving system |
03/24/1987 | US4652915 Method for polling headphones of a passive TV audience meter system |
03/17/1987 | US4651204 Jamming signal generating circuit |
03/03/1987 | US4647964 Technique for testing television commercials |
02/24/1987 | US4646145 Television viewer reaction determining systems |
02/17/1987 | US4644509 Ultrasonic audience measurement system and method |
02/17/1987 | US4644393 Means for monitoring people who are watching a television set |
02/12/1987 | WO1987001002A1 Electronic information dissemination system |