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7607148 |
Method and apparatus for monitoring an information distribution system
Techniques to monitor operation of an information distribution system and delivery of programming, guide data, and other information by the system. These techniques may be used for diagnostics,...
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7594242 |
Methods and apparatus to detect an internally generated signal mode of a local media playback device
Methods and apparatus to detect an internally generated signal mode of a local media playback device are disclosed. A disclosed method comprises tuning a harmonic frequency of a chrominance signal...
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7590991 |
Method and apparatus for determining channel to which a TV or VCR is tuned
Method and apparatus to determine the channel to which a TV tuner is tuned from a return loss ratio measurement circuit in a set top decoder. The method comprises generating a plurality of probe...
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7568207 |
Cable drop monitor with upstream signalling
A time slot is provided for each terminal unit or cable drop of a signal distribution system in a repeated sequence to communicate detected conditions “upstream”. The time slots are defined in...
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7421723 |
Detection of media links in broadcast signals
A detection apparatus includes a tuner tuned to the program and a meter coupled to the tuner and arranged to detect content ancillary information from the program tuned by the tuner. The content...
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7392312 |
Method for utilizing visual cue in conjunction with web access
The use of a visual indicia or cue facilitates computer based access of a network by a consumer witnessing a presentation. A visual indicia or cue is provided during the presentation indicative of...
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7343615 |
Television proximity sensor
Systems and methods for determining whether a television is on and in near proximity are provided. An example system includes a sensor, an analog-to-digital converter, and a digital signal...
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7061549 |
Method for storage of a channel for a consumer electronics appliance
In consumer electronics appliances, for example in the case of a television set, it is known for there to be a key on the remote control which allows the user to switch over to the previously...
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7062272 |
Method and apparatus to track count of broadcast content recipients in a wireless telephone network
A base station ( 110 ) in a wireless communications network ( 100 ) counts mobile stations ( 114 ) receiving broadcast content via multi-user channel. The base station broadcasts ( 608 ) a...
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7036136 |
Bias compensating remote audience survey system and method
A bias compensating remote audience survey system ( 34 ) is configured to identify radio stations ( 162 ) to which tuners ( 24 ) are tuned. The tuners ( 24 ) have predetermined signals ( 26 )...
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6714917 |
Subscriber identification based on electronic program guide data
A subscriber identification system is presented in which EPG related data including scrolling rates, paging rates, information screen viewing times, and manner and frequency of EPG activation are...
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6643494 |
Active system and method for detecting harmonics of RF broadcast station survey signals
An active broadcast survey system ( 32 ) is configured to identify radio stations ( 216 ) to which tuners ( 26 ) are tuned. The tuners ( 26 ) have local oscillator signals ( 30 ) emitted therefrom....
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6523175 |
Methods and apparatus for identifying the source of a user selected signal via an intermediate frequency probe
A non-invasive or minimally invasive intermediate frequency (I.F.) probe is disclosed for use as part of a broadcast audience measurement system. The probe can be used both to acquire a...
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6266816 |
Tunable pass filter cable television control
A cable television control apparatus includes a television channel access controller connected at a node of a cable television network between the network and at least one subscriber household. All...
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6049695 |
Method and system for detecting unauthorized utilization of a cable television decoder
A method and system for detecting unauthorized utilization of a cable television decoder. The decoder is utilized to receive cable television signals. The decoder is one of a plurality of receivers...
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6049286 |
Sensor with fall-off detection
A system having an attachable sensor for collecting television program data is provided. A first plate is attached to a surface, such as the side of a television set. A second plate, attached to...
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6005490 |
Bidirectional remote control apparatus
A CPU of controlled equipment generates an operating key information signal indicating operating key(s) to be depressed of a plurality of operating keys in the mode the controlled equipment is...
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5808703 |
Device for detection of transmission from remote control
An apparatus is provided which gives feedback to a user of a remote control device, such as that for a television, to indicate when excessive use of the remote control (channel surfing) is...
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5749043 |
System and method for estimating characteristics of broadcast radio audiences
A system for estimating listening audience characteristics in response to radio broadcast programming includes a central office, a plurality of remote survey sites, and a plurality of remote access...
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5408258 |
Method of automatically qualifying a signal reproduction device for installation of monitoring equipment
A method and system for automatically qualifying a signal reproduction device for installation of monitoring equipment. In a household in which viewing patterns are to be monitored, for example, a...
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5305464 |
Method and apparatus for determining channel to which a receiver is tuned
A method and apparatus for identifying the channel to which a receiver is tuned includes a controller having a microprocessor, a ROM for storage of programs, a RAM for storage of data and a data...
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5289271 |
Cable television-usage system
A cable-television usage system that enables subscribers to be charged based upon their actual usage of the cable channels offered. The system is compatible with current cable equipment and...
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4723302 |
Method and apparatus for determining channel reception of a receiver
A method and apparatus for identifying a channel to which a receiver is tuned sequentially detects a signal of the receiver and stores a characteristic value of the detected signal for a predefined...
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4578700 |
Apparatus for storing data relating to television viewing
An arrangement is disclosed which stores data received from a people monitoring unit which produces information relating to the number of people watching a television set and/or from a television...
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4577220 |
Arrangement for detecting to which channel a television set is tuned
A television channel detecting arrangement, for detecting to which channel a television set is tuned, comprises an inductive loop (14) for receiving a signal from a local oscillator (10) of the...
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4567511 |
Transmitting and storing data relating to television viewing
A transmission arrangement comprising a receiver (58) for accepting data from at least one of a people monitoring unit which produces information relating to the number of people watching a...
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4027332 |
Apparatus for monitoring television receivers
Apparatus for monitoring the use of television receivers to obtain information for the rating of television programs. The apparatus makes a comparison between the intercarrier frequency signal...
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3803349 |
TELEVISION AUDIENCE MEASUREMENT SYSTEM
Disclosed is a television audience measurement system in which successive sound i-f signals taken from monitor television receivers under the control of different control signals supplied from a...
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3800223 |
AUDIENCE SURVEY SYSTEM
Disclosed is a monitor for ascertaining the listening habits of television receiver users. The monitor includes one or more channels provided with a single pass band window or slot that is swept at...
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3619783 |
MEANS FOR DETERMINING TELEVISION CHANNEL USE IN A COMMUNITY ANTENNA TELEVISION SYSTEM
Means to determine the channel to which a subscriber on a community antenna television system is tuned utilizing various embodiments of command console and subscriber units utilizing a radio...
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3534265 |
AUDIENCE SAMPLING SYSTEM
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3506916 |
TELEVISION AUDIENCE SURVEY SYSTEM
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3456192 |
AUDIENCE SURVEY SYSTEM
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3312900 |
Television audience survey system
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3299355 |
Radio and television audience survey system
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3288922 |
Communication system
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2965433 |
Television multiple channel recorder
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2896070 |
Radio and television survey system
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3559071 |
Title is not available
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