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