Patents
Sitemap › H04 - Electric communication technique › H04H - Broadcast communication › H04H 60 - Arrangements for broadcast applications with a direct linkage to broadcast information or to broadcast space-time; Broadcast-related systems
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)
08/1981
08/04/1981US4282606 Broadcast delay line
07/1981
07/21/1981US4280148 Audio recording apparatus and method
06/1981
06/30/1981US4276572 Automatic message announcement system
05/1981
05/13/1981EP0028416A1 Broadband switching system
03/1981
03/24/1981US4258386 Television audience measuring system
03/17/1981CA1097753A1 Pulse controlled switching circuits
02/1981
02/18/1981EP0024026A1 Broad-band coupling arrangement
02/04/1981EP0023215A1 Signal processing system with multichannel electronic attenuator and stored controls
01/1981
01/27/1981CA1094641A1 Secure sca broadcasting system including subscriber actuated portable receiving terminals
11/1980
11/04/1980US4232190 Apparatus for combining phonograph signal with auxiliary audio signal
10/1980
10/28/1980US4230990 Broadcast program identification method and system
09/1980
09/16/1980US4223235 Electronic switching circuit
09/09/1980CA1085480A1 Automatic monitor for programs broadcast
08/1980
08/12/1980US4217573 Switching unit for selectively connecting together various combinations of audio subsystems
08/07/1980WO1980001632A1 Signal processing system with multichannel electronic attenuator and stored controls
08/05/1980US4216497 Apparatus for monitoring a multichannel receiver
05/1980
05/06/1980US4201895 Passive audio signal mixing apparatus
04/1980
04/01/1980US4196310 Secure SCA broadcasting system including subscriber actuated portable receiving terminals
02/1980
02/05/1980US4187544 Automated mixing system with display/data entry subsystem
11/1979
11/27/1979US4176251 Modular switching system
10/1979
10/09/1979CA1064130A1 Monitoring system for voltage tunable receivers and converters utilizing an analog function generator
08/1979
08/14/1979CA1060559A1 Monitoring system for voltage tunable receivers and converters utilizing voltage comparison techniques
05/1979
05/29/1979US4156847 Method and apparatus for confirming transmission in bidirectional CATV system
05/16/1979EP0001783A1 Coupling field in a selecting system
05/08/1979US4153847 Logic circuits
04/1979
04/24/1979US4151370 Reception and transmission system for polling apparatus
10/1978
10/24/1978US4122301 Selection of branch lines of multipoint junction circuits
09/1978
09/05/1978US4112369 Secure SCA broadcasting system including subscriber actuated portable receiving terminals
08/1978
08/15/1978US4107735 Television audience survey system providing feedback of cumulative survey results to individual television viewers
08/15/1978US4107734 Television viewer reaction determining system
03/1978
03/14/1978US4079414 Interrogated transponder system
12/1977
12/20/1977US4064364 Audio fidelity amplifier and preamplifier systems
11/1977
11/08/1977US4057769 Circuit for generating two distinctive tone bursts with exponentially decaying envelopes
11/01/1977US4056683 Audio transmitting and receiving system
09/1977
09/13/1977US4048562 Monitoring system for voltage tunable receivers and converters utilizing voltage comparison techniques
08/1977
08/23/1977US4044376 TV monitor
05/1977
05/31/1977US4027332 Apparatus for monitoring television receivers
05/24/1977US4025851 Automatic monitor for programs broadcast
08/1976
08/03/1976US3973206 Monitoring system for voltage tunable receivers and converters utilizing an analog function generator
04/1976
04/13/1976US3950618 System for public opinion research
03/1976
03/09/1976US3943492 Plural storage system
02/1976
02/17/1976US3939305 Reverberation mixer circuit
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